engine swap

  1. 813Shawtbed

    Seeking OldSchool GM / Small Block Chevy Mechanic In Tampa area

    Finishing up a 355 SBC for my '94 OBS GMC (.030 over 350, Eagle rotating assembly, Big ***** Thumpr cam, Holley Street Dominator). First engine build and I'm starting to get a little in over my head. Planning to fire it on the stand before a 700R4 and 4.10s later on. Looking for any old school...
  2. P

    1994 4.3 to 5.3 swap

    Please please somebody help my only ride, my 94 c1500 wt that came with a 4.3 and 5 speed has blown up. the 4.3 is no good, so I want to swap to a 5.3. I know i need a new wiring harness, ecm, manifolds, and exhaust system but I am very inexperienced as im still in high school and I need to know...
  3. 1994chevycheyenne

    Full Breakdown of GM Crate Engine Options – What Would You Drop in a GMT400?

    I’ve been planning upgrades for my GMT400 and found myself deep-diving into all the GM crate engine options—350, 383, 454, LS, LT, even the ZZ and LSX stuff. I got tired of bouncing between spec sheets, so I made a full breakdown video that goes through all the families, torque curves, pricing...
  4. A

    98 5.7 vortec swap into 1996 k1500

    I have a 1996 Chevy k1500 that had a 4.3 vortec v6 with an nv3500 behind it I pulled the v6 out and put a 5.7 vortec v8 with the wiring harness and ecm from the 1998 Chevy pickup it was pulled out of. I got everything hooked up and ran wires to the starter with a button start it there’s no codes...
  5. obsmorrison

    5.7L Engine Swap and CARB Compliance

    Hi Everyone. New member here. I recently acquired a 1997 K1500 with the 5.7L 350. Shortly after purchase, a shop discovered a head gasket leak so I've decided to just swap out the engine. Does anyone have experience with Colorado emissions testing after an engine swap? I'm looking at this ATK HP...
  6. U

    Best engine swap for 1990 gmc 5 speed manual

    I have a 1990 gmc k1500 regular cab step side which I am redoing. I picked the truck up for 3k no dents or rust. In my area I can’t find a running one without dents or rust for under 5k so I’d say it’s a good deal. I’m doing a project in it. Want to do a classic 90s truck. I’m getting it...
  7. sh1tboxenjoyer

    4.3 tbi to 4.3 vortec

    So I just bought a 92 c1500 step side no motor or trans. I also have a 02 4.3 5 speed S10 that the frame has rusted out on. So the questions are, how well does the S10 nv3500 fit in these trucks, will the engine fit or will I need a new pan (both trucks are 2wd) and can I use the S10 engine...
  8. 0

    454 marine engine into a vortex 454 truck?

    Ok, so long story short, can’t find a vortex 454 (96+) straight out of a truck to swap into mine (2000 K2500 454). However, lots of older boats, and marine 454’s. If I can find a Gen 6 marine 454, I believe all I would need to swap over is: front accessories, intake, fueling, exhaust manifolds...
  9. N

    99 vortec to tbi swap

    So I have a 99 c2500 with a blown 5.7 vortec I have a parts truck (not sure the year) but it has a 5.7 tbi I was wondering what I can do to swap the tbi in or swap the tbi to vortec
  10. revmatcher

    1997 2-door Tahoe 4x4 LT1 swap

    Thought you guys might be interested in my little project. Let me know I have tons more pictures. Here she is bone-stock. 1997 2-door 5.7L Vortec with every heavy-duty option possible. This is the new motor. Lingenfelter Gen II LT1. - 383 Stroker setup - 4-bolt mains block - Callies 5140...
  11. M

    96 5.7 Vortec Swap

    Hi all, I'm looking for some wisdom on an engine swap - I couldn't find any threads about this yet. I am getting ready to swap out the dead 5.7 Vortec in my 96 K1500 for a rebuilt 350 from an '80 C/K1500. I've done plenty of work before, but never swapped an engine. I'm low on funds and...
  12. I

    Engine running like crap

    So I have a 1989 Silverado c1500 and it had the stock motor which was a 305. I took it out and put a brand new 350 K (https://www.summitracing.com/parts/nal-12568758) in it. I reused everything off the 305 that I could and I also put a mild cam in it...
  13. Cale N

    Grandpa's '94 K1500 Cheyenne

    This was my grandfather's truck some years ago and he left it to me when he passed away. I have gotten a lot of use out of it and put maybe 15,000 miles on it in the last few years. It hasn't been cheap though, I performed a lot of repairs and costly preventative maintenance on the truck...
  14. 2

    pulling a blown engine from 89 GMC 2500 with the 350

    this will be my first engine removal. I've worked on a lot of engines but have never pulled one out. I have the fluids drained, radiator removed, fan assembly off, exhaust manifold unbolted, and starter taken off. Bare with me im 19 and could really used some help. what would be my next steps...
  15. Christian Monfort

    Everything I need to know for 5.3 or 6.0 Ls swap

    I have a 1998 Chevy K2500 with a Vortec 5.7L and 4L80E. I’m hoping to mount the 5.3 to the 4L80 I heard there might be a problem with the torque converter mating. Also been reading forums and watching videos online on swapping a 5.3 in and it kind of keeps out stuff like will I be able to use...
  16. Adan Benitez

    ENGINE UPGRADE

    So, I am new to the forum but am needing some guidance here. I have a 1989 K1500 which I have begun tear down on. As all projects begin, I was simply planning on performing some small maintenance and keeping the truck running healthy. With all this free time I have obtained due to this virus...
  17. C

    1992 GMC Sierra ZZ4 Engine Swap Question

    Working on a 1992 GMC Sierra Regular Cab Shortbox. Pulling the original motor and replacing with a GM ZZ4 crate motor I removed from a 1969 Camaro a while back. My question is? Can I make the engine swap and remove and reinstall the factory throttle body on the ZZ4? I intend to use all the...

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