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Saturday Night Racer >> RACE TECH >> holly 4412 carb question
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Message started by havocracingsc29 on 04/17/11 at 7:38pm

Title: holly 4412 carb question
Post by havocracingsc29 on 04/17/11 at 7:38pm

i bought a brand new holley 4412 carb for my hobby stock, my question is, is there anything i need to adjust since it will be on a race car instead of a street car, i adjusted the float and changed the jets, just wasnt sure if there was anything else since its on a race car and not a street car.
thanks

Title: Re: holly 4412 carb question
Post by imracin68j on 04/17/11 at 7:48pm

Does it have a circle track float?

Title: Re: holly 4412 carb question
Post by woodracing35 on 04/17/11 at 8:50pm

what kind of holley carb is it

Title: Re: holly 4412 carb question
Post by ka_jd7and1 on 04/17/11 at 9:08pm

Johnny, did you read the first post, or the thread title?

Title: Re: holly 4412 carb question
Post by woodracing35 on 04/17/11 at 9:13pm

yes i did...mine is a 4412 and its a vdl...so i was just wondering

Title: Re: holly 4412 carb question
Post by havocracingsc29 on 04/17/11 at 9:41pm

not sure what kind, i went to a speed shop and said i needed a holley 4412 500 cfm 2 barrel its all stock

Title: Re: holly 4412 carb question
Post by imracin68j on 04/17/11 at 11:28pm

Havo, a regular 4412 will be a subpar carb to something like a vdl. A vdl is a 4421 that's been calibrated by vdl. What stinks is vdl will run you 5-600 bucks, maybe less if you get one used. You may be able to have them calibrate your 4412.

Title: Re: holly 4412 carb question
Post by havocracingsc29 on 04/18/11 at 5:49am

ok, good to know, but will the stock carb be ok to use, i just dont want it to hesitite while comin out of the turns and cause wrecks, thanks for the advice and help

Title: Re: holly 4412 carb question
Post by imracin68j on 04/18/11 at 8:57am

It will function properly if the jetting and float is right. There air bleed screws on the side. I believe you set them at idle. I forgot what the setting is but you can look it up. Don't mess with them unless there is an issue.

Title: Re: holly 4412 carb question
Post by sj_valley_dave on 04/18/11 at 11:35am

Usually if you seat them and then turn them back out between 1 1/2 to 1 3/4 turns, you'll be in the ball park..

Title: Re: holly 4412 carb question
Post by havocracingsc29 on 04/18/11 at 12:17pm

ok cool. thanks for all the help and tips. i really appricate it
Bobby Hogerhuis
#92 Street/Hobby stock