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  1. Breakdown

    Dumb question 95 c1500 4l60e

    ok gents here’s my dumb question of the day. What sensors from the engine feed into the transmission controller? From my understanding the only values I can find is the readings from the tps on the throttle body.. Reason I’m asking is I’m about to do a full engine swap on a 383 stroker (finally...
  2. Breakdown

    Serpentine belt replacement

    Yeah I double checked for you-955k6 is the belt number I'm running with the 100 amp with ac without air pump
  3. Breakdown

    Spider Injector Comparison

    Delphi is good equipment. Delco is oem, which means before gm will rebadge a product, it has to meet there quality assurance. I agree that some aftermarket is better than oem( no one beats fel-pro for gaskets... period) delco products are usually my preferred way to go as I know they are good...
  4. Breakdown

    Serpentine belt replacement

    Most likely you need a 955k6 belt. If you had the 120 amp alternator which most vehicles didn't come with you would need the 968k6 belt. That belt number will cross reference with every major distributor out there.
  5. Breakdown

    Warm start issue

    The tbi is actually dead simple and easy as heck to work on, just the fact that most of them are 20 years old things wear out and gaskets degrade. Wheelman had some good pointers though- the injectors do NOT interchange nor do the bases between the 305/350 and the 454. Follow the instructions...
  6. Breakdown

    Starting Issue -- truck sits A LOT

    No risk to damage to the tank. They used poly tanks in our trucks unlike older model steel tanks. Half tank sitting for a while yeah your running some condensation risks. If you keep the truck in your garage where it's in a semi stable environment you don't have to worry as much.
  7. Breakdown

    98 Yukon ECM fuse blew

    sounds more like you have a loose wire somewhere, or a wire bumped up against the exhaust and shorted out for a few seconds...
  8. Breakdown

    Warm start issue

    could be a good posibility. The plug wires over time get solidified from heat and fuel vapors/oil/gunk and can cause issues. Also- the rubber grommet can degrade, and the air filter assembly if not seated correctly can cause a short on those four wires.
  9. Breakdown

    Starting Issue -- truck sits A LOT

    I didnt empty it prior, I dumped two bottles in, and ran the dog snot out of it to empty the tank. When I put the truck into storage now for deployment, I dump a couple bottles of Stabil in it, and fill the tank to the brim. When I get back from deployment (like I did last year) I dumped two...
  10. Breakdown

    Starting Issue -- truck sits A LOT

    Same stuff. I've used it before on my last truck when it sat for nine months when I was on deployment and it helped
  11. Breakdown

    Power steering trouble

    ATF according to the dealerships I've dealt with is what they recommend for some reason on their power steering systems. I've talked with three different mechanics and they said a lot of times when they replace them at the shop they fill the system with atf vice power steering fluid. Not sure if...
  12. Breakdown

    Warm start issue

    Grab the ac delco tbi rebuild kit from amazon. Cost me 12$ three beers, a gallon carburetor cleaner can, and a little cussing getting the injectors to reseat (lube the o-rings with a small amount of atf....) but was well worth it
  13. Breakdown

    Starting Issue -- truck sits A LOT

    It's a 98- spider injector not tbi wheelman. I'd say dirty fuel could be causing it. Our ethanol fuels today absorb water like crazy if you let it sit for more than a couple weeks without putting fresh fuel in. Shelf life on modern ethanol fuel is only about three weeks before they start having...
  14. Breakdown

    Warm start issue

    Almost sounds like a vapor lock scenario. If one injector is spraying and the other isn't sounds like heat soak we used to get on old carbuerated engines.. bad injectors maybe? Maybe vapor lock in the injector pods? I pulled the injector pod apart on my tbi and the orings and small filters were...
  15. Breakdown

    Is this normal? Slight vibration idling in Park

    It's just your engine telling you it's still there and is still running. They like to remind you every now and then to see if your paying attention lol
  16. Breakdown

    '91 5.7l TBI random interval misfire

    Pull the ignition module and have it tested if you haven't already. Your problem is sounding like what I went through
  17. Breakdown

    Is this normal? Slight vibration idling in Park

    Normal. Don't worry bout it.
  18. Breakdown

    1995 TBI connector by engine....need help identifying

    Makes sense. Small block has a port on the back of the tbi for the map.
  19. Breakdown

    1995 TBI connector by engine....need help identifying

    My 95 has the same connector. I think it's for if you had the diesel. As far as the hvac goes it's electrically operated not vacuum. Not sure where that port is supposed to go unless it goes to the egr solenoid
  20. Breakdown

    Backfiring through exhaust when engine is warm

    Well wanted to give the true final update on this thread. Conclusion was the thermal heat sink paste on the ignition module. Drove on Friday from Jacksonville Florida to Aiken ac (390 miles) without a single hiccup. Averaged 19.8 (corrected with gps) on the interstate 17.2 on the back roads/in...
  21. Breakdown

    GM GoodWrench engine

    I think the 6 lug option was for the hd package but I might be wrong. Internal differences dealt with the valve train I believe
  22. Breakdown

    GM GoodWrench engine

    Gm crate motor = much yes... I haven't ran one in this truck but I had a gm performance crate motor in my 90 and it ran absolutely perfect and gm dealers will warranty the engine as well. Jegs also has great service. They are one of the online stores I trust
  23. Breakdown

    Rear diff failing?

    Check to see if your parking brake is frozen up/seized and if not pull the diff cover and see if the cross pin is broken. Happens occasionally and is an easy fix. Fix it now because it has the strange capability of grenading the carrier when it pops out
  24. Breakdown

    94 C3500 350 cutting out

    That's perfectly adequate. The tbi system only needed around 13-14 psi to operate correctly and the regulator would drop it down from whatever line pressure (within reason. Don't expect it to handle 100psi lol) to whatever it was preset at. Sometimes though the spring in the regulator will...
  25. Breakdown

    NEED HELP!

    Chase your wiring from the headlight switch. Check for loose grounds or burnt wiring. of course it could be dirty connectors at the back of the dash cluster, corroded grounds, or even a bad headlight switch itself. I never ran into that problem with my 90 so I'm not sure but it's a place to...

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