4412 carb
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Re: 4412 carb
Ring Holley.
Ignorance leads to confidence more often than knowledge does.
Nah, I'm not leaving myself out of the ignorant brigade....at times.
Nah, I'm not leaving myself out of the ignorant brigade....at times.
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Re: 4412 carb
go to the holley site will give all stock jetting and how carb was built, replacement parts etc. I always set up to stock before tuning.
https://documents.holley.com/techlibrar ... isting.pdf
https://documents.holley.com/techlibrar ... isting.pdf
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Re: 4412 carb
Recalibrating will be key since this carb was never employed to run on Ethanol cut pump fuel.
You can cut a man's tongue from his mouth, but that does not mean he’s a liar, it just shows that you fear the truth he might speak about you!
Re: 4412 carb
73 jet, 5.0 power valve from the factory.
If by pure stock, you're referring to a racing class, does the class require fuel be purchased at the track? And how much if any ethanol is in the mix?
If by pure stock, you're referring to a racing class, does the class require fuel be purchased at the track? And how much if any ethanol is in the mix?
Re: 4412 carb
Find a good chassis dyno to set up your individual setup.
A good test is worth a thousand opinions.
Smokey
Smokey
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Re: 4412 carb
Number 75 jets and no power valve; plug it.
With a 4 cylinder track engine, it will get you close.
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Specialty engine building at its finest.
Re: 4412 carb
I was hoping someone would say this ^^ OP could have used the search function and found several old threads and posts about exactly this scenario, 4 cylinder Holley 2bbl, if the search function worked.Walter R. Malik wrote: ↑Wed Jan 31, 2024 6:30 pmNumber 75 jets and no power valve; plug it.
With a 4 cylinder track engine, it will get you close.