carb adjustments
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Backfiring through carb/won’t idle/runs well at higher rpm (new GM crate SP350 w/new Holley 4150). Pls help!
I installed a new GM crate SP350 (385hp/405tq) into my ‘83 K5 4WD and am trying to get it to run and tuned properly for the first time. Configuration: all new GM turn key crate SP350 engine/HEI/Holley 4150/vacuum advance plugged/spark plug wires routing verified/TDC #1 cylinder on compression...- BlazerBill
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- backfire carb adjustments ignition timing sbc350
- Replies: 31
- Forum: Engine & Performance
