timing

  1. B

    Tbi 350 crate motor wont idke after break in.

    hi there, im fairly new to working on tbi and need some help. i swapped a 350 crate engine into my 88 that came stock with a 305 and th400. the 350 i got was a secondhand crate motor making a factory 292HP with the receipt from summit. i swapped it in and got it running good and timed the...
  2. 9

    Need help with timing

    I've got a 1992 chevy C2500 with a 5.7 350 small block paired to a turbo 400 trans. I was working on the timing and I had it set to zero, I left the truck running and noticed the exhaust for cylinder 8 started to glow orange. I let the truck cool down and got it to run good at around 22 degrees...
  3. P

    Random miss fire

    (I did search for my issue and to no avail did I find it) So I have a 98 5.7 it had a miss fire and was idling rough thought it was the fuel injectors . I did the EGR valve, fuel injectors(oem spider), manifold gasket, canister purge valve, Evap lines, cap and rotor, plugs twice, spark plugs...
  4. J

    Motor issues

    So I am restoring a 94 C2500 she’s definitely a fixer upper but this is my first pick up and I’m gonna put as much money and time as she needs. With that being said, she tries to start. She sounds like a tractor when trying to start. Her idle is horrible, when she starts at all, most of the time...
  5. C

    1997 k2500 350 Vortec will not start after head gasket replacement

    Alright guys I have been spending the last 6 months trying to get this k2500 done and it has been ups and downs the whole way. This being my first vehicle and being 16 I have DIY’d everything. About two months ago I found coolant in the oil after replacing water pump that had gone and I knew...
  6. richardj23

    98 5.7 k2500 timing

    i have a 1998 k2500 with a 5.7 in it, i just put another 5.7 in it out of a 97. The truck runs amazing at idle but when i put it in gear its fine then when i drive it starts backfiring. I have moved the distributer back and fourth moved teeth back and fourth i just cant figure it out. On top of...
  7. N

    99 Tahoe 5.7 died on the way to work, crank no start, P0307, replaced crank sensor, no fix. Plz help.

    Hey all, I bought this 99 chevy tahoe in July, and had replaced a couple things since then. It has 224k on it, and it ran just fine before, with no real issues. Ive replaced the: Catalytic converters belt tensioner idler pulley Distributor cap and the battery since I had bought it. But the...
  8. jmaples531

    Intermittent P0341/0 code

    Along with the horrific, what feels like torque converter shuddering this 1997 K1500 Vortec 5.7 occasionally gets, which could be related, I’m wanting to know what can be done about my P0341/0 code that comes and goes, sometimes fixes itself, other times, can be cleared and doesn’t come back for...
  9. wyn97

    ‘97 5.7 Vortec - ̶n̶o̶t̶ your typical crank no start

    I need some help from someone wiser than myself. ‘97 Vortec 350 has me stumped. I was driving it around town, running errands as one does. I got to my last stop of the day, and upon wrapping up and leaving the parking lot became stranded. I fired the truck up, and made it about 200 feet before...
  10. Thomas Augenstein

    7.4l Vortec Timing

    Truck had rough idle and misfire while driving and shifting issues. I moved the distributor counterclockwise as far as it would go. Ran a lot better, no more misfire and shifting nearly perfect. Got the car gauge pro app and a blue tooth adapter and checked the timing because I still have knock...
  11. M

    4.3 TBI timing not advancing

    At the end of my rope with this engine, it's a 93 4.3 pulled from a 4x4 manual S10 and transplanted into a Jeep Wrangler YJ. Still running a simplified harness and TBI from the S10. The main issue I'm facing is I can't get the computer to control the timing advance. I've set the baseline to 6...
  12. Driven by Gears

    RV CAM TIming?

    So i have a 1995 c1500 5.7L TBI with a mild rv cam what do you need to set the timing at with the cam i cannot find the cam card anywere do you still do factory zero? or do you need to advance the timing?
  13. studigggs

    350 TBI: Scanner Shows Knocking on Acceleration

    1990 5.7 TBI. So I just picked up an MT2500 scanner and have been playing around with it. I notice that the knock sensor is going off whenever I accelerate (even with mild throttle). Is this normal? Engine runs smooth, no CEL, no modifications from OEM. I'm guessing this is the way its supposed...

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