l31

  1. T

    Lifter Recomendations For Cam Setup

    Hi im camming my 1996 c1500 with a 5.7 vortec i wasn't originally planning on replacing the lifters but ive got some pretty bad lifter tick and i think its a good idea to replace them while im in there with the heads off. Im looking for any recommendations ive found 2 so far some acdelco stock...
  2. 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...
  3. T

    Cam Setup For L31 350 Vortec

    Hi im going to cam my 1996 c1500 pickup thats got a L31 in it i was wondering if anyone knew if the current valvetrain upgrades im looking at would work and to see what builds other people have done for there cam/valvetrain. (Im already swapping to an 0411 ECU to get it retuned and am wanting an...
  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. P

    1999 K1500 5.7 Suburban, Rear Shocks to Frame, No Nuts?

    Got a weird one, I'm about to replace my rear shocks with 2X Bilstein B6 4600 (PN 24024211). The service manual and illustrate parts catalogs both state that the shocks mount to the frame with 2X M8-1.25 X 22mm Flange Bolts (PN 11570082) and Flange Nut (PN 11609746) at 17 [N-m] (13 [lb-ft])...
  6. Alan M

    L31 Intake Spacer

    Hello group, I'm looking for a Taylor Cable 11011 Vmax Intake Spacer. If there is anyone that has one and like to sell it I'm willing to buy it. Thank you
  7. George Schreffler

    Request help: L31 5.7 Cylinder 5 Misfire

    Looking for help with ideas to diagnose and fix my 1998 Chevy K1500 5.7L L31 misfire. The situation and actions I have taken to date appeaser below. Any thoughts on where to go next would be appreciated. Symptom - Cylinder 5 misfire at all engine speeds - P0300 DTC; no other DTCs. Diagnosed...
  8. chris2323

    Increasing Fuel Pressure on Spider Injectors

    Does anyone have any experience increasing fuel pressure on the spider injectors? Its my understanding that there is a torx adjustment screw on the fuel pressure regulator. Some people have said they were able to increase pressure up to 70psi. Currently seeing over 100% injector duty cycle at...
  9. 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...
  10. Awest623

    Might change up the heads

    I have an l31 with a chevrolet performance 14097395 (ht383) cam & 1.6 ratio rockers. I'll be dropping the 96-98 whipple onto it soon. Looking for a recommendation on heads (preferably aluminum & complete). I'll be honest, I don't know much about heads so any advice is appreciated. Edit: I would...

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