Recent content by sntrym

  1. sntrym

    Shaking rear end

    I've had this exact issue with a couple different trucks due to out of round drums or the balance weight falling off. If the drums were stored or shipped on their sides, they will go slightly out of round and cause this. I've had good luck with Napa drums only. Other brands are hit and miss. I...
  2. sntrym

    Tbi Issue Idle In Between Cold/Hot

    Did you have the EGR and AIR pump tuned out of the ECM when you removed them?
  3. sntrym

    turns to the left more then turns to the right

    The pitman arm is keyed. It's nearly impossible to get them on a tooth off. Nearly. I would check the arm alignment and remove the stabilizer. See if turning is normal. If it is, then your stabilizer, or its installation, is the issue.
  4. sntrym

    SBC Engine build

    You won't be able to do it, for long anyway, with that block. The 1/2 ton TBI blocks were 2 bolt mains and generally are good up to 500hp. You'll need a 4 bolt main block and a massive cam, along with going to at least a 383. I would consult an engine shop and have them do it if you've never...
  5. sntrym

    350 TBI Boggs and surges under load

    That's your VSSB. It does speed conversion from the VSS for the speedometer. More info here: https://harristuning.com/Tbi/vssb-drac-calibration/
  6. sntrym

    350 TBI Boggs and surges under load

    Which temp sender did you check? There are two - one in the head that goes to the gauge and one in the intake that goes to the ECM.
  7. sntrym

    Was there a limited slip rear axle for a 98 c1500 5 bolt?

    It's a 10 bolt and you can get a G80 for it at the junkyard or just replace the whole axle with one that has a G80.
  8. sntrym

    Lifters, maybe? ... Probably

    Does it get louder or more noticeable in gear? If so, it might still be an exhaust leak. Otherwise let the MMO do its job and clean everything up.
  9. sntrym

    Whining alternator on my ‘94

    They still are. Ask me how i know and why I keep a spare alternator handy
  10. sntrym

    About cam time

    Generally speaking, the biggest you can go without machine work on a Vortec head is .470. Beehive springs will increase the lift you can go with. Lots of info out there about cam swaps on stock motors.
  11. sntrym

    Cranks but won't start.

    I run this one. Haven't had any issues in 6 years. I clean the contacts on the underside periodically with a small wire attachment on a rotary tool.
  12. sntrym

    This truck is getting me worried

    TBI doesn't have a crank sensor. The signal comes from the distributor module. This is only for spark though. On TBI motors the fuel pump will run until the system is pressurized when the key is turned on regardless if there is RPM or not. The oil pressure sending unit is the backup fuel pump relay.
  13. sntrym

    Who's the best 4L60E builder these days?

    When I had mine rebuilt, I used a reputable local shop in Cleveland. I didn't switch the gears but I did go from a 7 vane to a 10 vane pump for more consistent pressure during shifts, a Corvette servo for firmer shifts, and a 12 clutch 3/4 pack. I noticed a huge difference right away. I built a...
  14. sntrym

    Eaton Govloc/Mloc

    I have a TracRite from AAM in my 10 bolt with 3.42s and I'm pulling about 300hp and have no issues. Talked with my axle guy and he says with the TracRite the 10 bolt should take up to about 500hp. I'm thinking if you have a 700R behind the 355 it will give before the 10 bolt.
  15. sntrym

    Cam options

    Ok got some pics. I had to tap and plug the third water pump hole on the pass side of the block. This was originally a L31 crate engine btw. Pics show the elbow, hoses, and the Vortec pulley. The accessory bracket is from a 1995 TBI. earlier (88-93) may have been different than 94-95
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