Classic Trucks (Prior to 1987) Section for all discussion related to the Classic Chevrolet and GMC trucks prior to 1987.

1975 chevy hesitates on acceleration

Old Oct 2, 2023 | 8:31 AM
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Joecali916's Avatar
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Default 1975 chevy hesitates on acceleration

Hey everyone! New here looking for some help with my issue. I have a 1975 chevy scottsdale small block 350. My truck was working perfectly fine until one day it started sputtering and backfiring. It was like it was in limp mode. Once I got it home and looked at it, it would start and idle great. It's when I gave it gas is it hesitated/ stalled. I thought it needed a tune up. So I put new plugs, wires, cap and rotor. That didn't fix it. I replaced both of the fuel filters. No fix. So I asked someone for help and they said it was the accelerator pump. I don't know how to rebuild a carburetor so I bought a refurbished one on rockauto. That didn't fix the issue either. Any suggestions? Thank you!
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Old Oct 3, 2023 | 5:18 AM
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My brother bought a brand new carburetor and the accelerater pump was bad. Just saying I wouldn't assume it's good just cause it's new.
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