fuel leak problem in holley carb

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10-12-2007, 06:43 PM

L0tuS

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fuel leak problem in holley carb

i have a holley 600 vac secondarys that i just rebuilt but now gas is blowing back out of the air tube thing one the blow cloest to the firewall why is this happing? and what do i need to do to fix it?

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10-13-2007, 12:12 AM

five7kid

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Car: 82 Berlinetta/57 Bel Air

Engine: LS1/LQ4

Transmission: 4L60E/4L80E

Axle/Gears: 12B-3.73/9"-3.89

Most likely the float needle isn't sealing against the seat. Typical causes are dirt, not assembled properly, not adjusted properly.

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10-16-2007, 02:46 PM

kerplunk318

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Re: fuel leak problem in holley carb

Quote:

Originally Posted by five7kid

Most likely the float needle isn't sealing against the seat. Typical causes are dirt, not assembled properly, not adjusted properly.

i agree, i had the same problem with my demon and it was because the needle/seat was jammed open; i replaced it with a new one and it worked great. good luck