Search results

  1. B

    Are TBI 350’s just this sluggish?

    Cool, I wasn’t familiar with that term, but thought it was a normal MPFI with two rails. I’ve sprayed ether around the vacuum lines after I replaced them and didn’t get a raise in RPM so I think I’m good. Now the 454 needs a lot of work, but that’s different thread lol Yes when ever I upgrade...
  2. B

    Are TBI 350’s just this sluggish?

    iNope I believe they are a traditional MPFI. But I could be wrong
  3. B

    Are TBI 350’s just this sluggish?

    I don’t believe so, but they are stricken with the common leak down problem, if it sits for a awhile it’ll just crank and crank and crank, then blow black smoke. Plus the MPGs took a turn for the worse around 6-8. It’s a pretty well know issue for the vortec 7400’s
  4. B

    Are TBI 350’s just this sluggish?

    The next project I’ve got to tackle is the fuel injectors on my 97 454, don’t even want to think about it lol. So far this forum seems awesome, coming from the Volvo world, this place is full of nice people lol
  5. B

    Are TBI 350’s just this sluggish?

    Fuel pressure was 8-9 at idle cold and after it warmed up it dropped to a steady 7, my fuel filter was slapped fuel of black and red gunk. I unplugged the tan and black wire then checked the timing and holy crap was it retarded, it was so far to the right that it was off the timing marker. I re...
  6. B

    Are TBI 350’s just this sluggish?

    Yea that’s what made me jump on it, it’s hard to find any thing 27 years old that someone actually cared about it’s whole life. The only bad part is the windshield was left uncovered, and the dash looked like mulch chips. But I’ve fixed that. Yup, I’ve been through about 4 tanks so far. I’m...
  7. B

    Are TBI 350’s just this sluggish?

    I’ll check this after work. Yea I’ve learned on my 97 c3500, to buy nothing but ACdelco. Thanks!
  8. B

    Are TBI 350’s just this sluggish?

    Single owner truck, Old man died kids and grandkids wanted to sell it, came with a stack of paperwork. I’ve got most of the receipts for oil changes dating back to 93, including all the miscellaneous things that he had fixed. It has been sitting since 2013 when the PO died. I doubt it’s 305...
  9. B

    Are TBI 350’s just this sluggish?

    Yea, I’ve driven old beaters my whole life, grounds is one of the first things I did haha. I believe they are the factory size 265/75/R16
  10. B

    Are TBI 350’s just this sluggish?

    Yea I knew it wouldn’t be like the vortecs but didn’t expect it to be this much of a difference lol. The whole reason that I started this question over the lack of power is as a kid my mother drove a 95 suburban and I remember it lighting the tires up a few times. It just feels like such a...
  11. B

    Are TBI 350’s just this sluggish?

    The spray pattern looks good (nice cone shape, good atomization) I’ll buy a pressure tester and report back later. Thanks for the help!
  12. B

    Are TBI 350’s just this sluggish?

    It has a hesitation off idle, which is why I want to replace the IAC and clean the orifice. Hell, it could be a slight miss and I’m mis-interrupting it. I just remembered when I was servicing the AC it wouldn’t hold at 1200 rpm, seemed to surge a little up and down
  13. B

    Are TBI 350’s just this sluggish?

    Hello, Probably a silly question, but I find it hard to believe my truck is this underpowered. I recently purchased a 93 K1500 auto 5.7 3.42, 115k miles (Stock sized tires). So far I’ve replaced the TPS, CTS, MAP, new distributor cap wires and plugs. I will be doing the IAC later today...

Latest posts

Members online

... and 32 more.
Total: 1,378 (members: 82, guests: 1,296)

Forum statistics

Threads
64,764
Messages
1,400,143
Members
52,402
Latest member
obsguy3744

Share this page

Top