Nettet1. des. 2024 · Several factors can cause carburetor hesitation on acceleration, including a dirty carburetor, clogged fuel filter, clogged passage, or a faulty accelerator pump. Other common causes include a vacuum leak, low fuel pressure, or a malfunctioning choke. In some cases, the issue can be caused by a faulty ignition system or a worn-out engine. Nettet16. jul. 2024 · On the primary throttle position you need to have the transfer slot no less then .020 and no more then .040 as with less then .020 it can cause an off idle …
Off Idle Hesitation - Holley Performance Products Forums
Nettet19. mai 2024 · Ive been running a Holley Sniper for a about four years now. In the last year I have been struggling to fix a consistent hesitation I get under acceleration after it warms up. After this starts, it also develops a problem idling, by surging and slowing until it … Nettet5. okt. 2014 · I've got my Holley HP EFI setup up & running and loving it. But I'm having trouble smoothing out an off-idle hesitation, between 0% & 7% TPS valve. AFR are … mill wifi app
Accelerator Pump Tuning For Holley Carburetors
Nettet3. aug. 2008 · Off Idle Hesitation: Is one the most common problems w/carbs especially when used on modified engines. If you experience an off idle stumble as soon as you accelerate from part throttle or idle check the distributor first for correct initial timing & a proper mechanical advance curve. Nettet19. feb. 2012 · The car hesitates and stumbles, but give her a little more gas and she takes off. Well, thought it may have been just the old engine. Put a new GM Performance 290 HP 350, GM Performance mechanical fuel pump, MSD distributor and ignition, wires, plugs and a K&N air cleaner. We transferred the new Edelbrock intake and carb to the new … Nettet11. apr. 2013 · I had to do four things to correct the off idle hesitation: 1.) Install new squirters (comes stock with .035" you want the bigger .043" squirters) 2.) Move accelerator pump arm to bottom hole to allow furthest travel and longest pump shot 3.) Adjust float level to 7/16" or a little higher (3/8" may work) and float drop to 1" 4.) mill wifi