New Holley carbs

New Holley carbs

Postby Chevelle1969 » Sun Apr 11, 2021 4:15 pm

New to this forum.
Bought two new Holleys for my BBC’s, both 454’s.
One 3310 and one 950 street hp.
Should I use them as is or lower the ifr before I use them?
Any other things you recomend before I use them? Plan to take them apart so theres nothing strange inside.
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Re: New Holley carbs

Postby Mpcoluv » Sun Apr 11, 2021 7:41 pm

I am not an expert by any means but when I lowered the IFR on my last Quick Fuel, it started noticeable better and faster, so I would move them if you already have it apart.
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Re: New Holley carbs

Postby Chevelle1969 » Wed Apr 14, 2021 5:55 pm

Both had lower ifr from Holley.
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Re: New Holley carbs

Postby jmarkaudio » Thu Apr 22, 2021 11:30 pm

Some of the Holleys still have lowered idle feeds, some don't. If you want to be able to make adjustments later it's not a bad idea to do it while you have it apart.

Link to relocate.
viewtopic.php?f=13&t=173
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