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Sniper fuel line return

So I’ve got a 90 k1500 with a mild built 350, I put a sniper and hyperspark ignition kit in it and the sniper is leaking fuel out of the return side, not near or out of the line or outlet but deeper in the throttle body dumping it down the side of the unit, Holley says a 3/8 return line is...
- LosDoritos
- Thread
- Sep 25, 2023
- Replies: 44
- Forum: Engine Performance + Maintenance
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Please help! ‘90 k1500 tbi Chevy performance mild build crate motor

We’ve been at this since October so I’ll try my best to put every part number here So I have a 1990 Chevy k1500 with the tbi setup stock. Then added these Chevrolet Performance 350 Vortec C.I.D. 330 HP Crate Engines 19433030 Summit PN NAL-19433030 Long tube headers SPN HED-69440...
- LosDoritos
- Thread
- Apr 16, 2023
- 350 350 tbi backfire chevy performance crate motor crate motor for 90 silverado hesitation during acceleation mild build tbi
- Replies: 33
- Forum: Engine Performance + Maintenance