5.7 vortec

  1. T

    Camshaft offset extremely retarted

    Hi I've got a 1996 C1500 with a 5.7 Vortec. I recently got a tune along with other mods Ive noticed a weird shuttering since I've gotten the truck originally chocked it up to my loud exhaust but now I can view my cmpret parameter and it sits at around -27 to -32 degrees. From what I've seen it...
  2. rickwolhoy

    5.7 vortec random misfire HELP

    Hey all, I've been grappling with a random misfire for a while now. I have a 2000 chevy tahoe z71 with the 5.7 vortec, currently at 322k miles. About a year ago I had a bad misfire at idle on cylinder 3 and after a leak down test I found that the exhaust valve was leaking way beyond spec. I...
  3. T

    1996 C1500 with 5.7 Vortec Running Cold

    Hi I've got a 1996 c1500 with 5.7 Vortec and about a month ago the thermostat got stuck closed and it was overheating and then I replaced the thermostat with a stock 195° Thermostat and now my motor will warm up to the 195-200 then the thermostat will open then it stays at around 155° and no...
  4. T

    Getting to Around 300-330Hp In an L31 in a Lowered 96 C1500

    Hi so im shootin for around 315hp and i was wondering what mods extra i should be looking at. Right now i have a bigger throttle body, cold air and a full header back exhaust system with long tubes and cats deleted. Im looking at doing a cam upgrade thats not crazy race aggresive but im okay...
  5. C

    LEAN on both banks

    Hey Guys, Thanks for having this forum. I searched it and others on the internet and still didn't find an answer for my problem. Maybe someone in here has a known good answer? Here's what's going on... It's a 1998 Chevy Tahoe, 5.7L Vortec, 2wd, 4dr, front & rear A/C. It has no cats and the EGR...

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