Gmt 400 ls swap.

455. Location. Texas. I used a relay on my 90 with a 6.0/4L65E. Relay pin 30 to key hot source, 87A (NOT 87) to PCM C1 pin 33 TCC, 85 to ground, 86 to the brake light signal from the brake switch. This will give your PCM the TCC signal when the brake is released and remove the signal when the brakes are depressed.25. Reaction score. 14. Location. 32735. I'm swapping a new motor into my 98 k1500 as the stock 5.7 Vortec started knocking right after I was done putting a new tranny in and I'm at a crossroads. I have access to two motors. One is an aluminum block 5.3 and the other is a 5.7 ls1.Feb 23, 2024 · Alberta, Canada. L31MaxExpress said: The real question is why is an 8.1L/4L80E swap not more common. It is a much better truck engine than an absolutely gutless 6.0L or 5.3L. An 8.1L is on par with a 6.0L as for fuel mileage and has another ~200 ft/lbs of torque down at 2,000 rpm where you spend 95% of your time driving at. Ls swap wiring. Thread starter Graham Cole; Start date Mar 16, 2016; Disclaimer: Links on this page pointing to Amazon, eBay and other sites may include affiliate code. If you click them and make a purchase, we may earn a small commission. Mar 16, 2016 #1 G. Graham Cole Newbie. Joined Feb 28, 2016

The 5.3 are more plentiful and you can still get alot of power by a simple cam swap. Ls1truck.com and lt1swap.com is where I got my info from. Dirty Dingo slider mounts for about $100 is the way to go. LS motor and any trans will bolt together and drop in with no welding. Do the wire harness yourself and save a butt load of $$.8. Reaction score. 4. Location. Georgia. I have a 1998 vortec 5.7 with a 4l60e i’ve been looking into a ls swap but i don’t even know where to start don’t have much mechanical experience or know what to get can someone tell me everything that’s needed i want to do it myself to learn location and names of things thanks. Sep 17, 2022. #2.

I acquired a l94 motor I’m going to swap into my 89. I’ll be running a Holley terminator. Mild cam, DOD delete, stock heads, shorty headers, upgraded lifters, stock rotating assembly. I’m also swapping a 14 bolt to the rear for reliability over the 10 bolt. - What are the best motor mounts to use to adapt a LS to our trucks?Now I want to turn these ideas into a reality. First of all, there is a lot that I am unsure of when it comes to the LS swap everyone (especially myself) drools about. 1) LQ4 6.0 Engine - 2002 or older - as to not screw with drive by wire. 3) ECM - ECM, Harness, Engine from same truck.

6 Liter LS Truck Engine Swap. Today, it's engine swap time with an 6 liter LS engine from a salvage GMC 2500. This engine will go into our 1971 C-10 Cheyenne and we'll show you how to extract and prepare the entire drivetrain for a truck heart transplant. Season 14, Episode 18. Change Season.3,236. Location. Georgia. Pretty much what frank said and the tach, speedo signal will come from the pcm. Get adapter for oil sending unit. And on coolant temp you can add a stock range sensor to pass side of ls or you can change the ls temp sensor for the f body 3 wire but it gauge is off 10ish degrees.A GMT400 LS swap is an excellent way to modernize your classic pickup, providing increased performance, fuel efficiency, and overall enjoyment. By following this comprehensive guide, you’ll have the knowledge and resources necessary to successfully perform your own LS swap and bring new life to your beloved Chevy GMT400 truck.The Hedman Performance Group is no newcomer to the LS swap performance market. Trans-Dapt Performance Products began offering LS Swap engine mounts back in 2002. Since then, the Hedman Performance Group has released dozens of LS swap products, and Hedman Hedders is no exception. Today, Hedman Hedders is a premiere manufacturer of engine swap ...

Since 2500 LSx Suburbans in GMT800 are either (1) sacked out beyond belief, (2) unobtainum priced, or (3) non-existant I'm thinking a GMT400 1/2 Suburban. I really like this body style, not a huge fan of GMT900 truck looks. Additionally, I love LS and they definitley beat cap/rotor/old small block ignition systems.

Reaction score. 335. Location. Michigan. To swap in the nv4500 you need the transfer case that was hooked to it. The one in your truck has a different input spline size. Going 6L look for a k2500 in the yards that was hooked to a 6.0 for the nv4500. For an LQ9 I think you are looking for Escalade or Denali donars.

Reaction score. 29. Location. AB, Canada. There's a really great LS Swap GMT400 Facebook group called "LS Swapped 88-98 OBS Trucks/SUV". It's well worth checking out and tons of great information. For 400 RWHP, your best bet is always displacement or forced air. I would start with a 6.0 (LQ4 or LQ9). 1996-2000 OBS / GMT400 Gen3 LS Swap Info. Here I will go over a swap I completed on a 1998 C1500 pickup. It originally had a 4.3L Vortec and swapped to a 2005 5.3L LM7 with drive by wire. I will go over the way I did the harness integration to all factory functions on the 1998. AC, Cruise, all gauges, so on. It all depends on what 4L60E you get. 700 has 4 bolt adapter. old style 4L60E has 4 bolt adapter and same length found on 5.0/5.7. New style 4L60E has 6 bolt and about 3/4" longer. New style 4L60E has removable bell housing found on 4.8/5.3. You will need a torque converter spacer if you use old style 4L60E with 4.8/5.3.The Hedman Performance Group is no newcomer to the LS swap performance market. Trans-Dapt Performance Products began offering LS Swap engine mounts back in 2002. Since then, the Hedman Performance Group has released dozens of LS swap products, and Hedman Hedders is no exception. Today, Hedman Hedders is a premiere manufacturer of engine swap ...Looking to do an LS Swap? PSI is Your Source For LSX Conversion Parts. PSI sells affordable, in stock, full tech support, plug and play standalone wiring . My Cart. Checkout. Customers also purchased. Subtotal. $0.00. Checkout. WIRING HARNESSES. LT1/LT4 (1992-96) GEN II; LS/VORTEC (24X) GEN III;

Today Swap announced a $7 million seed round, led by SOLV Energy, a California-based solar provider and SOSV’s HAX division. Swap Robotics entered our orbit last year, when the fir...Black/white stripe is the ground, purple is the fuel sender wire to the guage, and the gray is the power supply. after tapping in my fuel pump relay to the gray wire, my guage didnt work. i snipped the black and white wire, and put a hoop connector on it, and grounded itnear one of the bolts for the pedal assembly. works fine now. hope that ...Yes, replace coolant sensor. Inspect, test and repair circuit wire = yes / no. Replace IPC. As you may well know, the GMT400 is a paper service manual only. I don't have one to compare it to in the coolant temp IPC chart. Thus, I don't know the correct resistance versus gauge reading.Texas. Had my 96 sierra ls swapped upgrades truck Norris nsr cam ls1 intake and fuel rails with 42 lb injectors. Running fine for about 5 miles then begins to sputter and run rough. Shop that did swap which was a zero miles swap engine rebuilt retuned engine but still running rough after about 5 miles . Mechanic states that exhaust is causing ...Raulfelix24 said: I vote ls swap as that is what I did. I swapped in a lm7 5.3 from a 2005 suburban. I paid $500 for engine, transmission, drive shaft, wiring, computer, Exhaust, and complete coolant system. I probably spent another $700 on miscellaneous parts that I needed. So far I have put about 10k miles on the truck with zero issues.Jun 7, 2019 ... ... (GMT400), this video is for you. The ... GMT400 Rear Disc Brake Conversion (Part 2) #ETCGDadsTruck ... LS Swap. TanTinPerformance•22K views · 35:05.

I have a stock 5.3, with stock manifolds. I used about 4" of the OE exhaust off the manifold, for the flanges and O2 bungs. The rest is 2.5 pipe, curved pieces from the scrap bin at an exhaust shop, off a 2010 Camaro. The straight sections are from the parts store. Two Dynomax race bullets.An LS swap would provide a number of "improvements" but also require a lot of external changes as the 95 would not the ECM required to run the LS ignition and fuel injection system. A full rebuild takes a fair amount of time and depending on your capabilities and knowledge of a "good" local machine/rebuild shop can be expensive with unknown ...

Build Gmt 400 Ls Swap S Tcg The Chicago Garage. Gmt400 Wiring Woes The 1947 Present Chevrolet Gmc Truck Message Board Network. 88 Cheyenne K1500 4 3l No Start Scan Page 10 Chevrolet Forum Chevy Enthusiasts Forums. Ignition Wiring Issue 1988 12022 Chevrolet Gmc C K Gmt400 Platform Gm Trucks Com.Ultimate GMT400 LS Swap Guide. I. Development and Design of the GMT400 A. Background and Origins. In the early 1980s, the truck market was rapidly …LSX + Carb Swaps . Driver's Side Battery Tray for LS Swap. Thread starter Z71SE; Start date Jan 13, 2016; Disclaimer: Links on this ... 350 vs 400. rebelyell; Mar 1, 2024; Engine Performance + Maintenance; Replies 2 Views 376. Mar 1, 2024. L31MaxExpress. Decided to LS swap. open_road_toad; Dec 12, 2023;See All 25 Photos. The OBS label was assigned to the GMT400 once the GMT800 (model years 19992006) were introduced, and that generation is known as NBS, or "new body style." It should also be said ...Ls Swap HEADERS. Thread starter Steven fontenot; Start date Mar 8, 2017; Disclaimer: Links on this page pointing to Amazon, eBay and other sites may include affiliate ...The ls pump and lines work with trucks steering box. update: I ended up going to the junkyard and snagging the return hard line at the steering gear box from an obs truck, and the hard line and hose i bought new from advance for the feed line on the 2003 LS pump. the new LS pump/lines bolt directly to the 1990 gear box. works like a charm.518. Reaction score. 160. Location. Hampton, VA. Make the 6.0l standalone, and make the truck harness standalone. For the Ls harness just google Ls standalone harness, for the truck, you can just bundle up the wiring for the engine sensors and controls, or carefully trim out the stuff you don't need. I pulled the whole harness on my swap and ...

I have a 94 and did an LS3 swap. it works great, except I cant get my oil pressure gauge to work. When I crank the truck it pegs out. Any suggestions would be appreciated!

LS swap 5.3/4l80e/bw4401 4x4. NO START ISSUE!!! built the harness via instructions from lt1swap.com, pcm is hptuners with vats, egr, secondary o2's programmed out. new install, does crank over, fuel pump is pressuring up for 2 seconds then off, checked crank sensor, have voltage and AND ground, tested sensor it is working, checked voltage and ...

You must be registered for see images attach. here is the beginnings to trying to get some of the factory gauges back operational. The oil pressure sensor in the pic is what I removed from the gen 3 ls, it has only 1 pin. It looks identical to the parts store stock replacement for my 97. I bought the adapter to ⅛npt but neither of those use that.The TPI were not a real power full engine. There are a lot of options for power and performance, for you TBI 350. If you are going to do a swap, the easiest swap is a built 383 TBI direct swap crate engine. If you want something more modern, then a 6.0L is a good choice, but an even better choice, is the 6.2L Corvette, Camaro engine.Location. Caro, MI. Hello fellow GMT400 enthusiasts. My Brother-in-law recently picked up a used 2023 Silverado 1500 with the 3.0L Duramax Diesel. He says he can get 30 MPG with that little motor, and it cranks out nearly 500 Ft-lb of torque through a 10 speed transmission.Gmt 400 LS swap in 1 week - YouTube. Busted to Built. 2.27K subscribers. 69. 4.9K views 2 years ago. Throwing in an engine and trans with over 300k into a truck …April 2, 2023. The GMT400 platform has been one of the most iconic and influential truck platforms in automotive history. First introduced in 1988 and produced until 1999, the GMT400 was the foundation for some of the most popular trucks and SUVs of its time, including the Chevrolet C/K Series, GMC Sierra, Chevrolet Tahoe, and GMC Yukon.Feb 15, 2019 · The oil pressure gauge and coolant temp will reuse the existing sensors/wiring you will just need adapters for the 6.0 threads/ports. Speedometer should be one wire output from the 6.0 ecm that connects to one wire from the DRAC box behind the glove box (may have to adjust output from the 6.0 ecm). If you can ls swap you can 8.1 swap both of mine are done with ls harness and pcm. You flip outer wires on cam,crank sensors. Move crank sensor wiring to area of cam sensor on ls harness. Move cam sensor circuit to timing cover area, with a striped harness you can do both without the need to extend wires.Wh4t3v3rs is a 98 Chevy short bed that's receiving a 6.0l turbocharged LS swap with a goal of 850hp and a mid to low 5 second 1/8 mile, all while retaining power steering and A/C. My LS is a LQ4 truck 6 liter with a stock bottom end.Vortec 383 or LS swap for GMT400 Tow Pig/Daily Driver. The 305 in my '97 Sierra is going through more and more coolant. It's only a matter of time before the intake gaskets need to be replaced. Since it currently has 190k miles, I don't think it's worth getting that far without doing a rebuild.GMT-400 5.3 push button 4wd swap. Been working on a 5.3 swap for the old Yukon. Truck has a lot of memories for me and my wife, and is lovingly named Jackson. Yes, a male. 1993 Yukon with 330k hard long miles. I bought a 2005 GMC Sierra for $1400 that came with a PSI harness and a set of dirty dingo engine mounts.Reaction score. 39. Location. Oklahoma. I have a 1997 GMC Sierra 1500 with a rebuilt 4l60e. I lost a rod in the L31 and have a change to swap in a 2002 5.3L. I have done some searches on here and google but I may not be wording my question correctly. I know a 0411 from an Express with L31 will work, but can that be re-flashed to run the 97 ...

1996-2000 OBS / GMT400 Gen3 LS Swap Info. Here I will go over a swap I completed on a 1998 C1500 pickup. It originally had a 4.3L Vortec and swapped to a 2005 5.3L LM7 with drive by wire. I will go over the way I did the harness integration to all factory functions on the 1998. AC, Cruise, all gauges, so on.The TPI were not a real power full engine. There are a lot of options for power and performance, for you TBI 350. If you are going to do a swap, the easiest swap is a built 383 TBI direct swap crate engine. If you want something more modern, then a 6.0L is a good choice, but an even better choice, is the 6.2L Corvette, Camaro engine.6 Liter LS Truck Engine Swap. Today, it's engine swap time with an 6 liter LS engine from a salvage GMC 2500. This engine will go into our 1971 C-10 Cheyenne and we'll show you how to extract and prepare the entire drivetrain for a truck heart transplant. Season 14, Episode 18. Change Season.Instagram:https://instagram. psecu com paybaptist health mychart kymetalico north east pajohn b poindexter net worth Reaction score. 335. Location. Michigan. To swap in the nv4500 you need the transfer case that was hooked to it. The one in your truck has a different input spline size. Going 6L look for a k2500 in the yards that was hooked to a 6.0 for the nv4500. For an LQ9 I think you are looking for Escalade or Denali donars.Hello, Im new here and need some help. My ls swap project is my 98 1500, swapped in a cammed LQ9. I followed Brendan step by step on lt1swap to strip both the ls & obs harness and then merge them. Using the obs fuse block and made my own stand alone relay/fuse block to power the LS harness. I... craigslist shreveport commetro pcs east providence 3. Reaction score. 0. Location. League City, Tx. Here's my current project that I'm working on. It's a 96 2 door Tahoe. It has a 08 Express Van 6.0 and 4L80e GEN 4, drive by wire, stand alone engine harness TSP 231/239 LS3 cam. huge learning experience.Mar 12, 2019 ... LS Swap Do's & Don'ts on a Chevy K1500 ... Brake Master Cylinder Upgrade GMT 400 '88-'98 Trucks ... GMT400 Dana 70 axle conversion is DONE and ... nr2003 logos The express van is the key to why this swap works since the 2002 express used both the L31 vortec engine and the 12200411 PCM. So starting with the 2002 Express van L31 tune for your correct transmission, the following items need to be changed. 1) Turn off the VATS (Vehicle anti theft) 2) Disable Alternator codes.Well its time for the old and leaky 350 to be pulled. I have most of my parts gathered up and ready to go, including but not limited to.... -2002 5.3L. -Dirty Dingo Motor mounts. -JEGs crankshaft spacer. -0411 PCM. -'05 truck fans. Motor will be pulled today and major engine bay cleaning will ensue. So far I'm still well under $1000 for the ...