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  1. S

    1993 C1500 ride height question

    Nad and dry thanks for your responses but I have eliminated the tire diameter as a variable by just measuring from the center of the hub to a fixed spot on the wheel well. wb292, I replied to your PM sorry it took a while.
  2. S

    1993 C1500 ride height question

    I just took my measurements. It would appear in 28 years my truck hasn't settled in the least... I have the SS454 15 wheels with 275/60 R15 tires. The measurements from the bottom most ball joint edge to the ground as described is 8 inches even. The measurement from the ground to the center...
  3. S

    1993 C1500 ride height question

    Thanks, I'll measure tomorrow and reply.
  4. S

    1993 C1500 ride height question

    Okay, I was going to say, nope what... Thanks for your help.
  5. S

    1993 C1500 ride height question

    Thanks for the information, so I have a C truck with the 15 inch wheels and I understand what you are saying with the "Z" height. When you describe the flange on the ball joint are you saying where the ball join flange contacts the A-arm or the lowest point of the ball joint closest to the...
  6. S

    1993 C1500 ride height question

    I have a 1993 C1500 Std cab/short bed truck and it has the factory "sport suspension", looks like an SS454 truck... It's on stock springs and I want to drop it two inches from where it sits now but given the age of the truck I'm wondering if it's already settled an inch or more and if I drop it...
  7. S

    Heated 02 Sensor (1 wire to 3 wire Conversion) wiring suggestions.

    Thanks, everyone. This will be one of many projects in the near future during our virus exile.
  8. S

    Heated 02 Sensor (1 wire to 3 wire Conversion) wiring suggestions.

    Playing with TBi, what amp rating was used in the in-line fuse. Thanks for the replies.
  9. S

    Heated 02 Sensor (1 wire to 3 wire Conversion) wiring suggestions.

    I just have the one heated O2 sensor. I'll check the resistance as you note but just for conversation here assuming my resistance falls within the value you offered and I have one 02 sensor it's somewhat safe to assume about 2 amps of draw if you add a little for the sensor getting warm and the...
  10. S

    Heated 02 Sensor (1 wire to 3 wire Conversion) wiring suggestions.

    Picking up an old thread. I'm doing the same exact thing, 1 wire to 3 wire conversion since I installed headers on the truck. I was going to tap into a power source on the firewall junction box but I assumed that was a "fused" source and therefore I was wondering if the heated O2 sensor would...
  11. S

    Stock TBI 305 block and heads useful?

    Wow I honestly thought I'd get very little feedback and I like what a bunch of you wrote. Thanks for the thoughts. I guess you are right no harm in posting the parts for sale and as a back up the scrap yard might get a look at it... Regarding the coffee table we've all seen that picture over...
  12. S

    Stock TBI 305 block and heads useful?

    Is there some crazy universe that my stock TBI 305 block and heads would be useful or desirable for someone. Long story short I pulled my 208,000 mile 1993 TBI 305 motor a year ago. I've had it kicking around because I wanted to see what the intake ports, combustion chambers, pistons and...
  13. S

    Odometer stopped turning

    I have the same issue. I've done an electrical test on the motor to make sure it's not shorted out and I know the gears turn freely with no missing teeth. The speedo works correctly so the signal to the cluster is good and all of the electrical leads show continuity when tested so I'm sort of...
  14. S

    1993 C1500 Odometer issues - need to test odometer motor

    That's why I was asking if I could test it... In my area finding a 88-98 GM truck in a junkyard with a single usable part is like finding a needle in a haystack. I want to confirm the motor is the issue before I search for it, in my view there are three factors: the elec. signal, mechanical...
  15. S

    1993 C1500 Odometer issues - need to test odometer motor

    Okay so does anyone even know the volt input range for the odometer motor?
  16. S

    I Want 700

    I understand the number in your head and like many have noted it's going to be a little tricky to cruise around town with good manners at 700 HP... We have a 468 BBC making an honest 635 HP at the crank on the dyno in our Chevelle. It has a costly set of Brodix aluminum heads a fairly...
  17. S

    1993 C1500 Odometer issues - need to test odometer motor

    Long story short, the odometer has stopped working at 208,790 miles (sometimes it sort of works) on my 1993 GMC C1500. I noticed about a month ago the miles weren't really changing. Since then focusing in the operation of the odometer I would say it either flat out doesn't work or when it does...
  18. S

    305 to 350 vortec on 98 ecsb

    If you use the PCM from the donor truck then confirm the Tahoe had 3.42 gears. If it didn't you'll need to adjust the PCM for the rear diff ratio difference between your truck and the donor PCM. As far as the need to change away from the 3.42 gears that is sort of a personal choice. What I...
  19. S

    350 tbi fueling with vortec heads

    Others will weigh in on this but you're going to need to likely adjust your ECM and fuel pressure to address the extra fuel needed by your modifications. There is a sticky on this forum talking about upgrades and fuel is one of the biggest weak areas on these systems in stock form. The good...
  20. S

    1993 GMC C1500 New engine - fuel pump question.

    Yes I have an adjustable fuel pressure regular on my truck now so my question about the pressure was mostly out of curiosity not concern. The fuel pump I currently have for a TPI car is a Delphi unit from NAPA but it's still in it's sealed bag so hopefully I can return the unit. I'll call the...
  21. S

    1993 GMC C1500 New engine - fuel pump question.

    Thanks for your reply. Does it matter what year Vortec truck pump I get... as an example I assume if I just go in and ask for a fuel pump that fits in a 1997 C1500 with a 350 I should be fine? Just out of curiosity, what is the stock fuel pressure for a Vortec motor.
  22. S

    1993 GMC C1500 New engine - fuel pump question.

    As the title says I'm installing a new engine in my 1993 C1500 that will make an estimated 350 - 370 hp. I know from reading everything that increased fuel pressure and a new upgraded fuel pump will be required. From the performance thread in the sticky's on this forum it seems the TPI third...
  23. S

    98 wheel bearing replacement

    Is your truck two wheel drive or four wheel drive?
  24. S

    Who still makes custom chips?

    I'm a member at Gearhead EFI and I like the people and enjoy their site. I have tried datalogging and still have trouble making that work well. I would love to have the skill set to do my own tuning and burning but sadly at this point in my life I just don't have the time. I've chatted with...
  25. S

    Who still makes custom chips?

    This is an interesting topic to me and my 1993 TBI C1500 also. I'm not as stuck on having a tune that can be completed, "in-person" but I've found that most of the online guys that do TBI tuning are hard to nail down on one area or another as you prepare to have the tune completed. I don't...

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