what size carb for ls1
03-24-2008, 07:12 PM
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what size carb for ls1 Hey guys just finishing up my olds cutlass 442 ls1 conversion from brp hotrods they were very helpfull and it was alot easier than i thought. My question is what size carb should i go with i have the victory jr intake and painless wiring harness thanks.
03-25-2008, 09:39 AM
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I'm going to run a 750 Mighty Demon. There was an article in some magazine ( I have so many cant remeber which one ) where a 6.0L was seeing vacuum at WOT with a 750. They put a 950 race carb on there and it only gained a few HP. (Like 6 or 8)
Lee
Lee
03-25-2008, 10:52 AM
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well the carb formula goes like this
cid x max rpm / 3456 will usually give you about what cfm you need
i would personally go with the holley 650 vac sec for the street and the holley 750 mechanical sec for the strip
just my .02
cid x max rpm / 3456 will usually give you about what cfm you need
i would personally go with the holley 650 vac sec for the street and the holley 750 mechanical sec for the strip
just my .02
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03-28-2008, 05:54 AM
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vn commodore sedan,427 cast block,l92 heads,255/264 112 .635/.635,holley 90mm body,flowmaster super 44s,3" mandrel dual system,turbo 400,3.70 9",235/60/15 micky streets.97.4mph 1/8mile.40degree day.full street trim.
