Well I joined GMT 400 in Dec of 2013, newly divorced I did the one thing my X wouldn't let me do, BOUGHT A TRUCK! I bought a 215kmi 1997 Silverado 3dr. I've not had much trouble with it at all, now at 323kmi my poor horse is going lame on me and I'm going to have to put the motor down. It's time for an LS SWAP. I'll be posting updates as I get ...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.M14 x 1.5 to 6AN - Found HERE. The Hot Rod fuel hose Return-Less LS swap kit, for a return-less system you will need 20ft of hose if mounting the corvette regulator/filter close to the tank. Longer lengths of braided AN PTFE hose are available if needed. You can chose both your hose and fitting colors with this kit. 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.

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 ...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 ...

Throwing in an engine and trans with over 300k into a truck I call OL Blacky. LQ4 4L80E NP241 swapped into a 1991 GMC K1500 pickup GMT 400. Process took one ...

A lot of people say to use the 1" set back motor mount adapter plates. I did, and ended up having to drill new holes for the trans cross member 1" behind my original holes. No big deal. Since the swap, I've swapped out my stock exhaust manifolds for the schoenfeld long tube headers for LS swaps into 88-98 pickups (1302LS1 i think is the part ...All gauges work just like factory. Customer must ship the C/K harness and the LS harness from the engine there swapping. If you don't have the LS harness I can add all new …The 4l80e bone stock will handle any abuse a stock 6.0 can throw at it. If not then L96 + 6Lxx tranny, the L96 and 6l90 will probably take more work to integrate, so it'll be more expensive. The 6l90 (or 80) would just be awesome in a gmt400. As long as they're tuned well they're supposed to be stout. May 29, 2020. #9.Sep 30, 2021 ... Part 11: Today, the 1991 Chevy OBS project truck gets a new fuel pump capable of supplying fuel to the 5.3 that will be going in soon.A 4L60 non-E does employ a controller for the torque converter control (TCC) solenoid. Stand alone controllers for the TCC solendoid are available from well-known sources for $200-400. This may be what stutaeng was referring to. The other aspect of your swap is the throttle valve (TV) cable.

Want to get the full potential out of your GMT 400 Truck? At Auto Accessories Garage we have all the top name brand accessories at rock bottom prices. Click or call 800.663.1570 to learn more! www.autoaccessoriesgarage.com. Threads 21 Messages 55. Threads 21 Messages 55. Wanted. Gm 15312965 9542003456.

Reaction score. 10. Location. Wv. I am swapping a LQ4 into my 89 K2500. Im using a modified stock harness per LT1swap directions, and my own fuse/relay panel. I swapped an LS into my Porsche 944 last year so I have a good grasp on the swap and the wiring, but I have never messed with A/C. It’s always something I have ripped out and tossed in ...I think transplanting into a regular GMT400 (non-3500HD) you'd have a hard time shoehorning an Allison in there unless you did trans tunnel surgery or had a body lift. It is correct though that these 2 years of HD's did offer the 8.1, it was either that or you got the 6.5TD. Only 2 engine options those years, no more 7.4.I would just get a LS style 4L60E at a minimum. Personally I would ditch the 60E and get a 4L80E though. You could probably trade off the LS1 for an iron 6.0L too, which would work better for the swap. The truck accessories, intake and exhaust manifolds are an easier swap into a truck. Last edited: Jul 4, 2023.Newbie. Hey guys I’m trying to finish up the wiring on my swap and I’ve run into an issue, the truck is a 96 1/2 ton 350 truck, the motor is a 2002 5.3 with 4l60. So Far I’ve been trying to fit everything into the 96 under hood fuse box, but right now I’m having to take all the pink wires from the c2 block and run them to ignition hot ...Mar 10, 2021 · The other option is the E-rod which someone posted. The cheapest I have seen an LS3 e-rod is $9,100. The LT1 and LT4 are obviously much more. I know of someone who owned a shop that was doing the "gray area" smog checks that everyone seems to think is the way to go. Pretty sure the Trans crossmember should line up in the factory holes since the 700 and 60E have the same mount position. Factory 5.3 truck cooling hoses work with your 5.7 radiator. Maybe do away with the factory trans cooler in the radiator and run an external cooler. Ill try and think what else you might need.West Bend dyno told us that the starting price is around $4,500 for a complete long block. Typically, the price will go up from there based on your needs. While the LS engines are relatively affordable, you’re not going to be able to build a reliable 1,000 horsepower engine for a few thousand dollars.

LSX + Carb Swaps . 95 k2500 6.0 swap. Thread starter Arcticsierra95; Start date Mar 15, 2022; Disclaimer: Links on this page pointing ... (with same transmission.) Those are easier to work with on the GMT 400. Keep your drive by cable and just swap the throttle intake to DBC. I think the Gen IV "may" require drive by wire, TAC module PRICING: $ 610.00 - Direct Fit harness for 1996-2000 (OBS) Trucks (PCM Stock Under Hood Location) $ 625.00 - Direct Fit harness for 1995 (OBS) Trucks (PCM Stock 96-00 Under Hood Location) Harness options: $ 15.00 - Fan Ready Connector (See Fan Harnesses Page for fan kits) $ 65.00 - Fan Kit for Duel Aftermarket Fans or Single 2-Speed Fan (2 Relay) I think transplanting into a regular GMT400 (non-3500HD) you'd have a hard time shoehorning an Allison in there unless you did trans tunnel surgery or had a body lift. It is correct though that these 2 years of HD's did offer the 8.1, it was either that or you got the 6.5TD. Only 2 engine options those years, no more 7.4.I will include the part numbers for the compressor, the longer serpentine belt, the factory ac hoses that work with the kit. this relocates a gm compressor to the passenger side front top of the engine. it clears the hood, and looks very factory. this kit is designed specifically for gmt 400 trucks, but could be fit to other non gm vehicles ...Ls swap headers . Any recommendations on long tubes for my 95 k1500 lq4 swap? Will gmt800 long tube fit? comments sorted by Best Top New Controversial Q&A Add a Comment Jester1614 • Additional comment actions. Truck will ...LS Adapter Plates; Motor Mount / Crossmember Combo Kits ; 73-91 Squarebody LS Swap Kit

Eastern North Carolina. Cardinal rule of LS swaps. GET EVERYTHING! Get the harness, PCM, tach module, pedal if DBW that came with your motor. Get it all! I’m in the process of working through my first swap. Even with limited auto electrical experience, the concept should be doable. I ended up with a freshened up 5.3 with a cam/spring kit.

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 ...Pretty sure the Trans crossmember should line up in the factory holes since the 700 and 60E have the same mount position. Factory 5.3 truck cooling hoses work with your 5.7 radiator. Maybe do away with the factory trans cooler in the radiator and run an external cooler. Ill try and think what else you might need.Remove all the emissions pins from the LS1 harness. If you are using a 4l60 with your LS engine and the vehicle you are working on had a 4l60 then keep the factory transmission pins and swap them into the LS harness. If you are using a 4l80 then use the transmission pigtail harness you have (assumedly a 6.0/4l80 takeout).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 ...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. Newbie. New to the forum, wanted to hopefully help others out as I searched forever trying to find if the speed engineering headers fit my ls swap before I bit the bullet and bought them and could not, ended up taking a chance and they fit almost perfectly, (drivers side was a little close to frame and had to tweak it inwards 1/8” maybe)2. Location. Ft. Lauderdale, Florida. I finally got my swap done. I had a harness modded for my truck. everything single thing is working, except the Tach gauge. from what i understand, the OBS tach cluster reads a 8 cylinder signal, and the 5.3 pcm reads a 4 cylinder signal. When i had my harness modified, and my pcm tuned, the …

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.

Nov 22, 2020 · 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.

Mar 10, 2021 · The other option is the E-rod which someone posted. The cheapest I have seen an LS3 e-rod is $9,100. The LT1 and LT4 are obviously much more. I know of someone who owned a shop that was doing the "gray area" smog checks that everyone seems to think is the way to go. Oct 4, 2015 · 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 ... Nov 22, 2020 · 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. 1992 K1500 LS swap information: The recipient of the swap is a 1992 GMC K1500 (4x4) 5.7L, 700R4/4L60 trans, 241C transfer case, regular cab shortbox: The donor truck was a 2000 Silverado 1500 (4x4) 5.3/LM7, 4L60E trans, 246 transfer case: This write up is a description of what was done and what I chose to use for this swap. There are …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.Apr 5, 2021 · 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. Brad Pierson says the LS swap on his father’s 1995 Chevrolet C1500 was, for the most part, straightforward. One of Brad Pierson’s passions is performing LS swaps. We’re lucky in that the last few that he’s done he’s put in the extra time and effort to document these builds in both words and photos. Because of this, we’re able to ...Sep 17, 2022 · 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.

Reaction score. 2,820. Location. Longview, TX. Also thought of another reason to do this, thanks to a comment on one of my videos: For those who may want to put a Blazer DIC in their 96-97 upper console, hooking the fuel gauge and sender to the PCM will enable the DIC to show you remaining fuel mileage.May 26, 2022 · 9. Location. Ky. So after trying bypass the fuel buffer module, it finally sunk in that the buffer converts the varying resistance/ground signal from fuel sender to a voltage signal, that goes to the gauge. So next step is remove cluster and figure out why the fuel gauge isn't grounded. 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.Auto Accessories Garage. Want to get the full potential out of your GMT 400 Truck? At Auto Accessories Garage we have all the top name brand accessories at rock bottom prices. Click or call 800.663.1570 to learn more! www.autoaccessoriesgarage.com.Instagram:https://instagram. graduation ribbon leis diyu 132 pilltampa pollen reporthow to restart a atandt routerleidel comprehensive sanction centerbest sliders for nba 2k23 Swap Robotics, a company that manufactures electric grass-cutting and snow removal robots, presented today at TechCrunch Disrupt Startup Battlefield. Swap Robotics, a company that ... meaning of burger and a grape snow cone Misc. Items: $50. Total: $3,049. TECH ARTICLE LS Swap into 88-98 GM Truck We have always wanted to build a 88-98 sport truck, and with the popularity of these trucks coming back, now was the perfect time. At the moment, these trucks are relatively cheap to pick up, and can be found with full power, AC, tilt, etc.A 4L60 non-E does employ a controller for the torque converter control (TCC) solenoid. Stand alone controllers for the TCC solendoid are available from well-known sources for $200-400. This may be what stutaeng was referring to. The other aspect of your swap is the throttle valve (TV) cable.Not interested in swapping trans to nv4500. For what the truck is used for I'm not terribly worried about it breaking and if it does ill put another 3500 in it or rebuild mine. I don't beat the truck like i used to just looking to restore and build a good street, light off road truck, still running 4.56 and 35s on a 6" lift.