preignition/carb
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Lead Driver
Joined: Nov 2000
Posts: 6,632
Likes: 348
From: Albuquerque
preignition/carb
Recently replace my aging Speed Demon 750 with a new one with anular discharge boosters. My preignition problem went away. 9.8 comp had been to much for available 91 octane. Can the new booster be that much better at atomizing? I have been using a water/meth injection system.
Secondly I chased a problem for a long time to finally find an idle fuel limit jet loose.(pressed in to the metering block.) Fixed it and then the threads for the bowl screws pulled out. Alcohol in the fuel?
Thoughts?
Secondly I chased a problem for a long time to finally find an idle fuel limit jet loose.(pressed in to the metering block.) Fixed it and then the threads for the bowl screws pulled out. Alcohol in the fuel?
Thoughts?
Cargo Master
Joined: Dec 2004
Posts: 2,232
Likes: 3
From: NE Texas
All I can say is that Holleys quality control seems to be sorely lacking. I just bought an 1850 that they missed swaging a stud in place for the ford kickdown linkage. Holley tech support confirmed it’s a defect. I thought it was going be quick and easy to replace it. Wrong.
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