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Throttle position sensor

I have a question about throttle position sensors. I recently purchased a used throttle body for my 92 Chevy pickup. My plan was to rebuild it and install it on the truck so I would have a spare. I was looking at the two throttle bodies and realized that they both had different throttle position...
- OBSlates
- Thread
- Feb 20, 2023
- Replies: 2
- Forum: Engine Performance + Maintenance
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Vortec heads on stock TBI 350

I haven’t looked into scanning it yet, or the timing
- OBSlates
- Post #15
- Feb 8, 2023
- Forum: 96+ Vortec Performance + Computer Swaps
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Vortec heads on stock TBI 350

The symptoms you just described are exactly what is happening with my truck. I’ve looked into a chip from Western garage in Calgary Alberta, and a common theme seems to be the vortec fuel pump and 18 psi regulator spring.
- OBSlates
- Post #14
- Feb 8, 2023
- Forum: 96+ Vortec Performance + Computer Swaps
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Vortec heads on stock TBI 350

Hi. I’m new to the forum and had some questions about my 1992 Chevrolet Cheyenne. It recently had a set of 906 vortec heads installed on an otherwise completely stock tbi 350, now it’s not running all that well. When accelerating hard it chokes and wants to stall. Sometime backfires. It also...
- OBSlates
- Thread
- Feb 8, 2023
- obs vortec
- Replies: 29
- Forum: 96+ Vortec Performance + Computer Swaps