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  1. M

    TBI '87 R2500 454 Suburban Runs Like Crap

    Cam has not been installed. Pan was full of crap (not metal... Just debris of some kind, old gasket material maybe...), and I found a piece of a pushrod that wasn't part of the 16 I replaced. Looks like it took its time going down too. Engine is coming out.
  2. M

    TBI '87 R2500 454 Suburban Runs Like Crap

    If it's just from a performance standpoint, I dont really care. But if its a quality issue, I wouldnt mind upgrading to one of the aforementioned, providing they do 100% work with the stock ecm.
  3. M

    TBI '87 R2500 454 Suburban Runs Like Crap

    I just ended up with a melling stock replacement cam and lifters. I was gonna get springs but I didn't know the stock specs. Reccomendations for springs? Stock replacement? Aftermarket?
  4. M

    TBI '87 R2500 454 Suburban Runs Like Crap

    Update: cam was wiped on a few lobes. Updates to follow.
  5. M

    TBI '87 R2500 454 Suburban Runs Like Crap

    12psi, KOEO, and running.
  6. M

    TBI '87 R2500 454 Suburban Runs Like Crap

    It will run for about 25 seconds, load up with fuel and die. I have not replaced the o2 sensor, but I have one. I have done the iac reset procedure. It pops right off just immediately starts spewing fuel. I have a scanner, all sensors are reading what they should. No codes either. Tps is .66...
  7. M

    TBI '87 R2500 454 Suburban Runs Like Crap

    Don't really feel like paying $50 to $100 a piece for new injectors. And I thought they were sealed and not rebuildable? And yeah, I should change the oil. just some cheap crap until i fix the fuel issue. I touched a 9 volt battery to both injector and they do click.
  8. M

    TBI '87 R2500 454 Suburban Runs Like Crap

    Bout a month later, haven't had much time to work on it. Work and life get in the way. Since I bought it on March 30th, I have done the following: replaced timing chain (on advice from p/o, found it was ok, kind of sloppy, had some miles on it, but replaced it anyway) replaced IAC (this was...
  9. M

    TBI '87 R2500 454 Suburban Runs Like Crap

    I rebuilt the throttle body yesterday, that seems to have solved the fuel dumping... Havent gotten a chance to mess with it yet, I work nights and neighbors dont like a big ass 454 starting up at 11pm.
  10. M

    TBI '87 R2500 454 Suburban Runs Like Crap

    Hello. I've got a 1987 GMC Suburban High Sierra R2500 with a 454 and a TH400, rwd. I bought it non running (figured that part out when it showed up on a trailer), which instead of having a qjet and a 700r4, had a stupid TBI and a th400, but it was all complete for the most part. Someone has...

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