Nate88, Jun 25, 2019. Increased power for your 1996 to 2000 350ci Chevy Vortec 5700 V-8 engine An engine swap can be quite costly, so putting even a quarter of those funds into your Vortec 350 engine could get you. I understand the Vortec 5. Keep this in mind, the upgrade to the fuel system would be the same for a vortec or gen III swap as they run similar fuel pressure. PSI sells Standalone Wiring Harnesses for GM Gen II, III, IV, & V LS/LT based engines and transmissions. If anyone can offer any he. 1L / 496 engine swaps. A cast-iron block with four-bolt main caps is the foundation for the 350 HO, which is topped with iron Vortec heads fitted with 1. I have a 1998 chevy silverado k1500 with the multiport efi vortec 5. For a tow vehicle, the Vortec 350 makes great torque on the bottom end. I want fuel injection, sick of the carb. The Ram Jet 350 has it all, great nostalgic styling, drivability unsurpassed by carburetors or aftermarket fuel injection, power to spare and a mild performance idle. Dhr23, no on the intake from 1990, Vortec heads have a different bolt pattern, the Vortec intake takes 8 bolts to hold it down where as from 1995 on back take 12 bolts to hold down the intake manifold on GM 350 or 5. You can save this photo file to your own laptop. 7L engines from 1996-2002 have been found to be very sensitive to fuel deposits in the fuel injectors. Based on GM Large SUV segment. The Vortec started in 96 with the 350 (5. And they have the same heads, and same size spider poppet injectors. These harnesses include the Gen II LT1/LT4, Gen III (24x) LS1/LS6 and Vortec Truck Engines as well as Gen IV (58x) LS2, LS3, LS7, & Vortec and GEN V LT / ECOTEC3 Engines. 1997 Silverado 4WD, vortec 305, the crate was vortec 5. Do It Yourself, Boating on a Budget - Motor swap to 350 vortec - need new flywheels and other parts? - Originally Posted by befu Already have the standard mercruiser roller cam that the 295 - 300 HP engines have in them. you can convert your Vortec to carb quite easily. The Vortec heads and other GM hi-po parts come from GM Performance Parts, which can also be obtained directly form Scoggin-Dickey. I would not hesitate the L31 swap. Junkyards and wreckers have plenty of trucks and vans to pluck a LM7, LQ9, LR4, or other GEN III GM based shortblock. 1 cu in)) from 96. 5 then the speed should be above 40 even with 10 percent slip. This is includes the LS1/LS6 5. EPA-estimated MPG city/highway: Tahoe 2WD 15/22, 4WD 15/21. 7 with 2 cylinders chopped off the end, and we all know what mods can be made to that engine. Chevy 350 454 5 0l 5 7l 7 4l 1996 03 Vortec Oem Truck Electronic Distributor Low Price. Re: Vortec 454: School me! believe it or not, the 8. I posted this on another site, and i need confirmation. The Duramax IMHO would be the only logical choice. Vortec is a trademarked name for a line of small block engines for General Motors trucks. 1L Big Block Chevrolet I know it has been a while, bit did you ever get a model fo the chevy engine? I am in need of a model for a chevy 350 and or 454 engine. Whipple supercharger for vortec 454 (eaton) $1800. These cylinder heads are ideal for applications up to 350 horsepower, but they require Vortec-specific intake manifolds. stock 350's are nothing to brag about. This manifold is primarily intended for use with Vortec heads on pre-1996 engine blocks. block #880. 7 liter lt1 motor with tbi. Check out these First Generation 1996-1998 GM Vortec fuel-injected 350 Engine Power Upgrades, including exhaust, throttle body, and more, at Sport Truck Magazine. I was disappointed with the old Van, The 454 should have been able to pull anything, GM just detuned it so much so it would run on regular gas, and enhance reliability. It is a number of videos I made while doing the swap stitched together, so. 1 swap, but I think the 454 has a bit of potential with a few changes. Sinister Performance, LLC. what chevy diesel engine is available for this swap. GM fuel injection wiring harness stand alone harness LS1 LT1 LS6 tuned port aftermarket wiring harness pcm programming LS1 engine swap Vortec engine harness best top. 3 accessories. 3L Vortec is a long one. Does a Chevy 2. vortec v6 to vortec v8 swap I currently have a 2000 s10 4X4 blazer with the 4. as far as the fly wheel, its balanced to the engine, thats why unless it damaged you dont replace them when you replace a tranny. Our core, purchased from AA Midwest, is a late-model truck Vortec or Gen II small-block 350. I want to do a diesel swap for more towing power and MPG. Asked in Chevy 305. 7L V-8 Feature Focus Roller valve lifters reduce friction and. 3 accessories. head #906or 062. Hate to go to all the trouble of an engine swap without gaining something. I want to switch cams but I am not sure how large I can go. Find many great new & used options and get the best deals for GM 350 Reman marine base engine,V8 350,5. These harnesses include the Gen II LT1/LT4, Gen III (24x) LS1/LS6 and Vortec Truck Engines as well as Gen IV (58x) LS2, LS3, LS7, & Vortec and GEN V LT / ECOTEC3 Engines. 350 vortec alternator wiring to a c10 Just put a complete 350 vortec in my 82 c10 I need help on how to wire the alternator the new one has a 4 prong plug and the old. This is includes the LS1/LS6 5. I think the 97 truck had 4 O2 sensors but don't see wires for them also the check engine. The list of cars that have used the 4. I was woundering if anybody knew if the pushrods are the same length for these heads or if I will need different length ones. In my seemingly endless quest for low end grunt in my 94 Fleetwood, I have been researching the idea of swapping in a vortec 454 (96-00) or the more recent 8. Vortec 5300s are built in St. She runs very respectably and sounds great! There are also special bolts that you have to get for the new intake. the reason it won't fit is you got the wrong engine. The name first appeared in a 1984 advertisement for the 1985 model year 4. I blew the rods out of the 454, had a 350 laying around so I rebuilt it thinking it would wire right into the 454 harness (WRONG) I have 95% of this engine done and installed, can get it to start on starter fluid but the one issue I have left is the spider injectors. Converting a L31/vortec 350 wiring harness for stand alone I was curious if anyone had any pictures or a write-up on what to remove from the factory l31 harness for stand alone operation. It is a stroked (by 9 mm) version of the Vortec 4800 and replaced the 5700 L31. Scout II 350 chevy swap If this is your first visit, be sure to check out the FAQ by clicking the link above. Does a Chevy 2. The Vortec Central Sequential Fuel Injection system utilizes a unique fuel injector for each cylinder. We show you how to build a solid, reliable 447hp Vortec small-block for less than $3,500. Engine Mechanical problem V8 Two Wheel Drive Automatic 175000 miles i am in the process of trying to swap out a original 5. 3L Vortec Engine - spsengines. Had to do some regular front end work figured id do it when the motor was out. Sharing the 454's 4. In the "Part IV" story (Dec. However, I am proud of my 350. The easiest method would be to buy a truck that came equipped with a 454 from the factory. The 454 and 502 (and 396. Does anyone have any opions about this swap. 1987-1991 were still SLOW computers with tiny chips limiting what can be done with the system. Chevy LS series engines: LS1, LS2, LS6, LS7, LSX Late model Chevy small block engines for large displacement, low weight and high performance. This engine is not intended for marine usage. The original straight six has been swapped out in favor of a Chevrolet 350 Vortec motor. $200 for a running/rebuildable 5. 3L Vortec, the LM7, produced 270 horsepower and 315 lb-ft of torque. All of our custom built GM 350 Vortec Crate engines are fully BluePrinted and Balanced. 7 engine in my truck to a 5. 3 file is going to be looking for a Vortec 5. I have a new GM Goodwrench 350 (universal) and want to give a little extra umph. The Vortec 8100 borrowed much of its design from the 454ci big block we all know and love. The early systems from 1982-1986 are just too old to do much with. 7 VORTEC Cast # 906/062 Cylinder Heads Pair (CORE RETURN REQUIRED) 5. I have a 98 vortec 454 and am doing research on putting in a 8. Whipple supercharger for vortec 454 (eaton) $1800. I will try to focus on this a lot to get all the info out there you'll need. 3 file is going to be looking for a Vortec 5. The 454 and 502 (and 396. All PSI Harnesses are Made in the USA. The vehicle is a 1996 Tahoe with a 5. Nate88, Jun 25, 2019. Good point there, Crawdaddy (and everyone else). The current motor in my '90 K1500 has a knock in the lower RPMs. The name first appeared in a 1984 advertisement for the 1985 model year 4. Injector flow of about 70 lbs is about ideal!. I want a more reliable engine that gets better gas milage. Comp Cams does make a cam for this motor but you also need to buy the installation kit (an additional $1000+) or it is worthless to you. 350 TBI to carb swap; 350 vortec swap into OBS; carb v8 to efi v6; 6. 0L Vortec V8 in Trucks This is the routing of the serpentine belt on the GM V8 Vortec engines in Chevrolet and GMC Trucks. With the current 2 7/8 inch pully this kit will make 6 pounds of boost at high altitude and 8 at sea level, supposed to add 200 hp and 275 pound feet of torque. 02-05-10 12:16 AM - Post# 1856739 In response to spiderhole I agree spiderhole. Toss in a camshaft, do some exhaust work and swap an LS PCM in to make it easy to tune and you can make some good power out of it. Junkyards and wreckers have plenty of trucks and vans to pluck a LM7, LQ9, LR4, or other GEN III GM based shortblock. View search results for 350 vortec and get Free Shipping on Orders Over $99 at Summit Racing!. PSI sells Standalone Wiring Harnesses for GM Gen II, III, IV, & V LS/LT based engines and transmissions. I want to swap it for a SB 350 with as little pain and cost as possible, then I hope to sell the 454 to help offset the cost. Your options are endless. 400ft/lbs 2500-4000RPM There's a few articles if search the Net on the 350 to HT383 swap. These harnesses include the Gen II LT1/LT4, Gen III (24x) LS1/LS6 and Vortec Truck Engines as well as Gen IV (58x) LS2, LS3, LS7, & Vortec and GEN V LT / ECOTEC3 Engines. Needless to say, I want to stay with fuel injection and keep the 4L80E. 3L Vortec built today is certainly significantly different from the original Vortec first offered in the mid-1980s. 0L V-8, or Vortec 6000, has been the gas engine of choice in the company's heavy duty applications, including the Chevrolet Silverado and GMC Sierra 2500/3500, since the 2010 model year. Available on all trims and standard on RS and Premier including 3. Now it just won't fire up at all. The truck was built by Hale’s Speed Shop and features a clean Chevy 350 Vortec with a 700R4 automatic transmission and 12 bolt rear. Poor Mans Repair Guide for Chevy,GMC Vortec Fuel Injector Spider or CSFI System: I hope I can take some of the Dark Voodoo power away from the notorious Vortec injection spider. Between 1996 and 1998, GM produced three basic Vortec engines: the 4. In my seemingly endless quest for low end grunt in my 94 Fleetwood, I have been researching the idea of swapping in a vortec 454 (96-00) or the more recent 8. Just finished doing a complete overhaul on the vortec 454 in my plow truck. CHEVY V6 An engine that has gained considerable swap popularity recently is the 4. 200 cc intake runner size. Does the 454 or 502 from the older trucks use different mounts than the 350? Yes, those would be different. 00-inch stroke to 4. i know it wasnt a z related swap but i do appericiate the help! just to let you guy know this is a beast!!! the engine was in a fire from a 98 one ton 30,000 miles so i. Chevrolet Performance Parts - 12496821 - TBI Intake for Vortec Heads. but you also need a 96-99 truck dr side ehxaust manafold and an external EGR tube in order to port ehxaust flow to the EGR valve mounted on the intake like the stock TBI intake is (Vortec heads have no internal exhaust cross over for EGR). The center of this conversion is our engine mounts and crossmember kit. I have checked in to the cam swap and found more than I bargined for. I have performed a 0411 PCM swap into a 1999 Quigley 4x4 van. GM has a new long block assembly for $2200. Greetings everyone. AIRAID 96-00 Chevy / GMC 4. Our harnesses are designed for installing these new GM EFI engines into your ride, whatever it may be. It was an eight-cylinder engine with a multi-port fuel injector, and each cylinder had two valves that were operated by hydraulic roller cams. I went with a larger cam and an Edelbrock Intake manifold with a TBI adapter plate plus 2002 Vortec heads. I have a 98 454 Vortec Surburban. I'm limited by the 350's single, non-upgradable poppet injector setup. The Vortec would be a better choice given that it makes more power but am not sure what the RPM range is on those. 622 inch stroke. 4 Intake - Oil Pan Runs Great Bbc Will Ship. The Vortec 8100 borrowed much of its design from the 454ci big block we all know and love. The engine needs to be rebuilt, and I have spoke with a machine shop which will be doing the work. I have a pair of good vortec heads from a 1998 chevy 2500 van they are the 062 heads. What is needed and do I need to swap out the tranny. For that reason, we're showing you how to swap an emissions-legal 383ci GM Performance Parts V-8 crate engine into your '96-'99 GM truck or SUV for a healthy increase in torque and horsepower. theres not much difference powerwise between the 350 TBI™ and the 350 vortec. 0L displacement. Has anyone had any experience with this engine or any information would help me out. Vortec is a trademarked name for a line of small block engines for General Motors trucks. I have a 1998 chevy silverado k1500 with the multiport efi vortec 5. 00 and who knows if it runs or not or has good compression, plus you have to spend the time in yard pulling an engine. I am in the process of doing a 350 TBI swap for a 454 Vortec. *Chevrolet Performance recommends the Holley 670-cfm carburetor (P/N 19170092) for use with the 350/290 Deluxe. The block is toast so I am looking for alternate options. You may have to register before you can post: click the register link above to proceed. There are many different ways to build an engine, and when the object is a 350 Chevrolet, it would seem. Find great deals on eBay for aluminum vortec heads and sbc aluminum heads. Calgary Biker 62,581 views. Power output is 285-295 hp (213-220 kW) and torque is 325 lb·ft (441 N·m) to 335 lb·ft (454 N·m). Introduced in 1996 itwas produced for five years, until replaced by the Vortec 8100. 7 1996-02 Ring+Brg+Oil Pump+Piston+Gkt See more like this A I A 6 S A T T U 5. 15 lb TBI pressure regulator is a good idea. hey yall- i have been doing alot of thinking and i have decided to go with a vortec 350 swap into my blazer with a rearmount GT67 turbo. 3? Opinions About 7. The engine does have in excess of 100,000 miles on it. The vehicle is a 1996 Tahoe with a 5. Vortec is a bit better about mods becuase it at least as a MAF to help the engine figure out how much air is coming into the engine and they actually have half decent heads from the factory. Here is a great all Texas original Patina Truck. But the Vortec heads also benefited from pocket porting. All PSI Harnesses are Made in the USA. 7L Swap - Harris Performance by wiringforums. The swap was done about 10 years ago. I have a 1989 Winnebago RV has a GEN 5 454 7. to be honest it didn't feel like I had much more power over my trucks new engine, granted my truck dyno'd the same as the 454 trucks do at the rear wheels which is 190hp 270ish ftlbs. In order to rev above 6000rpm in a GMT 400 truck with a Vortec 305/350, or even a Vortec 454 for that matter, that special van 0411 PCM and the van O/S(operating System) must be retrofitted. This engine came from the factory in several configurations including: carbureted, throttle-body injected (165 HP), and central-point injected (~200 HP). However, they can be improved. They would fit better than, for instance, the Dodge Hemi. MikeC gave me the idea of a Vortec 350 from '96-'00 chevy which can be had for pretty cheap. Login New Account Shopping Cart. I want fuel injection, sick of the carb. The truck was built by Hale’s Speed Shop and features a clean Chevy 350 Vortec with a 700R4 automatic transmission and 12 bolt rear. asking $250 I have the stock pistons and connecting rods for $50. The huge V8 power was the last of its 350 engine design. The L31 series engine was the motor that was selected to move GM into the future. An engine from U-pull it is 175. 7L Vortec 5. 7L, and the Vortec truck family of 4. The current motor in my '90 K1500 has a knock in the lower RPMs. 3 liter GM Vortex engine. early style valve cover bolt pattern & centerbolt. The block is toast so I am looking for alternate options. 2L (I4) all the way up to 8. 1l Olds 350 Swap. 7 with another 5. 10 ring &pinion. Chevy Third Gen Camaro ZZ3 Small Block Engine swap: Performance smog legal GM performance engine swap kit for the Third Generation Camaro Installation of the GM California smog emission legal ZZ3 performance crate engine kit for the Third Gen Camaro: This engine kit was supplied by GM as an engine swap upgrade kit for the 1982 to 1987 third generation Camaro. you can swap the heads on the 78 350 for vortech heads or get a multipoint fuel injection intake for a 85. This article will focus on the process of converting our 1977 Chevy Nova test vehicle from the very functional and affordable GM TBI fuel injection hardware to a much more modern multi-port fuel injection (MPFI) design utilizing a Holley Stealth Ram MPFI Intake and the same MegaSquirt-II EFI system we’d previously installed in Part 1 and Part 2 of this Carb-To-EFI. Cast-iron Vortec Cylinder Head Assembly • Completely assembled with 1. 1999-1996. The engine has 255,000 miles and still runs strong. First I start with a new Fuel pump , STOCK 75lph TBI fuel pump will only support about 230hp before the fuel pressure drops like a rock. 0l 305, I wanted to swap the 305 to a 350 crate engine. The main difference between the 8100 and big blocks of old is the increased stroke. The current motor in my '90 K1500 has a knock in the lower RPMs. 7 vortec motor or will I have to source an Express or a 0411 in another vehicle?. Very little reason to try to rev very high. I have a 84' commander 315 with 454's,one motor is bad the other is ok just wondering what everyone thinks about replacing the 454's with 350 vortec's. I want to switch cams but I am not sure how large I can go. would it be possible to reach 480hp at the crank on a 4. screw in studs & guide plates. what equipment should be transferred to make this work? engine & computer ? just have to figure out how to wire computer for the 350 tbi into the truck right?. I've also towed with a 2500 burb with the vortec 454, it was all boats thou at my cousins boat place I've worked at forever. Introduced in 1996 itwas produced for five years, until replaced by the Vortec 8100. TPI and TBI The Tuned Port Injection and Throttle Body…. Available for all of the Atlas inline engines: 2800/2900, 3500/3700 and 4200. 1 and 454's, They do use the same block,but that is where it ends. The motor is shot, but I have a longblock 350 with less than 20k on it. Dad got a 1990 C3500 2wd C&C SM465 manual truck w/ a knocking 454 TBI. The L31 series engine was the motor that was selected to move GM into the future. He also bought a 1998 p-chassis w/ a 454 Vortec that runs great. Hey guys I am searching this now but am hoping you guys will assist in my findings. You may have to register before you can post: click the register link above to proceed. I am in the process of doing a 350 TBI swap for a 454 Vortec. 7 350 vortec ski boat motor. I would not hesitate the L31 swap. Seems like the Vortec heads alone go for around 250-300 and that is from an unknown motor. So if your 91 is the original engine then it is not a Vortec motor. I was thinking maybe a corvette motor, traditional chevy 350, or a rebuilt 454 from an chevy. With second and third row seats folded flat. Call it what you will, the 8100 was the result of GM bumping the Vortec 7400/454's 4. Vortec engines are a terrific source of engine swap donors, and if you are looking for a budget build it’s hard to beat. 350 TBI to carb swap; 350 vortec swap into OBS; carb v8 to efi v6; 6. The current motor in my '90 K1500 has a knock in the lower RPMs. The easiest method would be to buy a truck that came equipped with a 454 from the factory. I picked up a 1996 L29 454 7. To get only 32mph at that rpm and prop pitch then the gear ratio would be more like 2. 7 v8 vortec from a 1997 suburban in my truck to. So if your 91 is the original engine then it is not a Vortec motor. 350 vortec alternator wiring to a c10 Just put a complete 350 vortec in my 82 c10 I need help on how to wire the alternator the new one has a 4 prong plug and the old. Does anybody have an idea what kind of power I can expect? And es. you can swap the heads on the 78 350 for vortech heads or get a multipoint fuel injection intake for a 85. 3 accessories. 00-inch stroke to 4. I was thinkin about bumping up my cam to maybe comp cam Xe 268H and swapping out the factory crap heads to vortecs with edelbrock Rpm air gapthe vortec heads i believe are the 64 cc 1. Nate88, Jun 25, 2019. 50 valve headscant remember the casting off handthe main reason for swap is to free up some hp and. The vortec's with the XE268H cam really woke up the engine. I understand the Vortec 5. 7 had a little more power than the non-Vortec 7. Although introduced as the Vortec 7400 in 1996, it wasbasically a 454 Big-Block with a hydrolic roller cam, parts more suitable for use in light duty trucks, and. head #906or 062. Keep this in mind, the upgrade to the fuel system would be the same for a vortec or gen III swap as they run similar fuel pressure. Did everything from the head gaskets up. 3L Vortec engine out of an old blazer or s-10, throw the old marine parts on the new engine and change out the freeze plugs to brass". I have been searching the site trying to find out about the wiring. For a tow vehicle, the Vortec 350 makes great torque on the bottom end. 1 uses the same heads as the Vortec 454 as well as the same cam (from my research). I have a 98 vortec 454 and am doing research on putting in a 8. Nate88, Jun 25, 2019. The Duramax IMHO would be the only logical choice. Cargo and load capacity limited by weight and distribution. 3 in my buggy. Vortec 350 to Vortec 454 swap If this is your first visit, be sure to check out the FAQ by clicking the link above. Picture and diagram of How to Replace Belt on 5. But from a cost implementation standpoint, being able to run the factory ECU with the motor I pull would likely be less expensive than getting the correct intake and appropriate carb for the Rover V-8. It makes a ton of torque right where you need it and even more on a 383CID motor. the reason it won't fit is you got the wrong engine. It is a number of videos I made while doing the swap stitched together, so. Gm 350 Reman Marine Base Engine,v8 350,5. I thought the same thing, 8. Converting 1998 Vortec Engine to Carb? I have a 1985 chevy silverado with tranny with the 350 engine blown to smithereens i just got a 1998 chevy 350 with vortec heads please dont ask me why but if you can help me please do. I then cleaned up the engine bay and painted the frame and stuffed the motor in. 400ft/lbs 2500-4000RPM There's a few articles if search the Net on the 350 to HT383 swap. early style valve cover bolt pattern & centerbolt. The engine has 255,000 miles and still runs strong. You may have to register before you can post: click the register link above to proceed. 0, or prop slip is REALLY bad. To get only 32mph at that rpm and prop pitch then the gear ratio would be more like 2. Chevy cylinder head Identification - Small block casting numbers, Big block cylinder head, camel back heads, double hump heads. Thing is my uncle has a built 305 in working condition that he pulled out his iroc its not a tbi. Yes it is the PCM feeding the new 350 the same fuel, etc as if it was the old 305. TPI and TBI The Tuned Port Injection and Throttle Body…. numbers !!. The vehicle is a 1996 Tahoe with a 5. LOL, there's a WHOLE lot of work involved based upon what everyone else has said! This thought had crossed my mind for an engine swap as a possibility one day. All BBK Power Plus throttle bodies offer OEM drive ability but with up to 30% improved airflow for improved horsepower, torque and throttle response. 7L GM Vortec Engines. GM is not responsible for the safety or quality of independent supplier alterations. 4l that spun a bearing in #2 cylinder, dune deal. 3L Vortec Engines The first man I knew who had GMC truck with a 5. My plan is to run it 2-3 years by that time I will find something to swap it for. just wanted to say thanks!! for the help some of you gave me for the installation of 454 vortec going in to my 87 3/4 ton chevy. asking $250 I have the stock pistons and connecting rods for $50. Can i put 1998 vortec in a 1995 chevy pick up with a non vortec 350 engine and still run TBI? orig. Power output is 270-305 hp (313-320 kW) and torque is 315 lb·ft (427 N·m) to 335 lb·ft (454 N·m). 0 Vortec engines with RPO Codes LR4, LM7, L59, LM4, LQ4, and LQ9 with a Drive by Wire (Electronic) Throttle Body and EV1 Injectors. This website is not owned or operated by General Motors. Re: 98 vortec 350 swap I've got a. 0L displacement. valve cover bolts thru center. Jeep Wrangler Fuel Diagram http://deepseatastingroom. vortec heads were cut at a diffrent slope than standard sbc heads. Re: Vortec 454: School me! believe it or not, the 8. I have performed a 0411 PCM swap into a 1999 Quigley 4x4 van. My buddies 80s grand prix is running a vortec carb setup plus a ton of other work. Vortec 350 to Vortec 454 swap If this is your first visit, be sure to check out the FAQ by clicking the link above. if you read the cover on any of these newer engine packages such as the ho boss, max rpm on the 351 is 4800 and on the 350 5200. theres not much difference powerwise between the 350 TBI™ and the 350 vortec. If I was you for the money I would build a 383 basic stroker n call it a day. for this you need to replace the intake manifold, distributor and add a carb. Available on all trims and standard on RS and Premier including 3. I have a 98 roller block that i was gona make a 383 out of but when i look at grinding material off of the bottom of the cylinders to clear the counter weights of the crank i got to thinking of the water jackets that are between the cylinder walls and the block and i chose to go the 350 route instead. either one with the 4l80e. The Manufacturer's Suggested Retail Price excludes destination freight charge, tax, title, license, dealer fees and optional equipment. Greetings everyone. 7L Specific PCM Pinouts & Schematics, however pinouts do list pin locations for V6. I'm weighing my options, because the 350 is just NOT enough power for a tow rig. 7 Vortec swap; 4. My question has to do with the 5. This is includes the LS1/LS6 5. ( bolt angle is wrong plus the ports are much bigger on vortec heads so you would need to weld up the top of manifold).