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vortec

  1. ZR2 Blazer. Fuel pump constant power.

    ZR2 - BlaZeR2 - Highrider
    Having issues figuring out why my fuel pump wont stop running. (Just replaced). I suspected the relay got a new one still going. Ecm fuse is good. There is a BRAIDED GROUND STRAP near the fuel tank that broke and I cant find where is supposed to connect at. Any help or suggestions that dont...
  2. 350 vortec swap on a highschool budget?

    V8 Discussion
    well howdy again people of the s10 forums I am here again to bother you with my 350 swap questions again, ive gotten a snag of a deal I can get a 350 vortec wiring harness and all basically a whole doner truck and more for free out at my stepdads farm and basically my question is, what is all...
  3. 1988 S15 Vortec Swap

    Member Projects
    Hi guys, I've posted in a few different spots in this forum, but I figured I should start my own thread with my build progress & to document everything. So, here we go. I acquired a free 1988 S15 from my neighbor who had it stored on his property after it died on him driving on the freeway...
  4. 5.7l V8 to 1988 S15 Wiring.

    V8 Discussion
    Sorry if this has been posted before, but all of the other threads I found were non-conclusive. Little bit of a backstory on the truck. I got a 1988 S15 with a 2.5l iron duke from my neighbor for free since it wasn't running. Ended up having a hole in piston #1, I decided to swap out the engine...
  5. Loss of Power, Rough idle

    262ci Forum (4.3)
    I have a 2001 s10 4.3 v6 around 91k miles. Engine light came on and I’ve noticed a loss of power and rough idle. Took to autozone and code reads misfire cyl 1. I started with replacing spark plugs, wires, distributor cap, rotor, air filter and fuel filter...runs a little better but still have...
  6. 4.3 vortec parts

    4.3 vortec parts

    What is a fair price for bulk? Block has seized crankshaft but everything else is good.
  7. 5.7 vortec engine swap questions.

    V8 Discussion
    Howdy howdy. I’ve heard that swapping a 5.7 vortec into my 96 4.3 is a really easy swap (well as easy as swapping an engine gets) does anybody know what is the biggest cam I can throw into an l31 without needing a tune? I heard I can put an lt1 cam and get like 10-20 horsepower and around 20...
  8. what the difference between the later 4.3 vortecs and the earlier 4.3 vortecs?

    262ci Forum (4.3)
    Howdy fellas, from what Ive heard the later 4.3's ( made 195-200 hp) and my 4.3 vortec makes around 170-180hp, what was the difference between them? From what ive heard the cam was different so if i can go to the junkyard and steal 20 horses that's a win in my books
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