LS6 intake flow
That sounds about right. So, that being said, what does it matter having heads that flow 300 CFM on the intake side if the intake manifold will not even flow that much. Seems to me, in theory, when when intake air leaves the manifold and enters an intake runner that flows 300 CFM you have a pressure and velosity drop. Maybe I'm way off base. It just seems to me that so much emphasis has been put on flow numbers. I know now there are several new manifolds out now that can flow that much. But, I don't think to many people are ready to spend that kind of money yet.
Last edited by Steve H.; Mar 17, 2004 at 05:17 AM.
Originally Posted by Steve H.
That sounds about right. So, that being said, what does it matter having heads that flow 300 CFM on the intake side if the intake manifold will not even flow that much. Seems to me, in theory, when when intake air leaves the manifold and enters an intake runner that flows 300 CFM you have a pressure and velosity drop. Maybe I'm way off base. It just seems to me that so much emphasis has been put on flow numbers. I know now there are several new manifolds out now that can flow that much. But, I don't think to many people are ready to spend that kind of money yet.
TECH Resident
Joined: Apr 2003
Posts: 791
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From: Tulsa, Ok
you can get more flow through the intakes than 270cfm. here are some numbers jay posted a couple of months ago:
the higher flowing heads are able to pull more through the intake than a head that only flows 280cfm. that's why people are caught up with flow numbers.
Originally Posted by absolute
Listed below is the corrected flow numbers off my superflow at 28 inches of water depression
lift- int - ex
200-153-117 stg2 5.3l 3.9 test bore
300-207-171 1-3/4 ex test pipe
400-257-204
450-278-214
500-291-222
550-304-224
600-311-229
best of all the numbers through an ls6 intake
200-153
300-204
400-247
450-261
500-272
550-279
600-283
lift- int - ex
200-153-117 stg2 5.3l 3.9 test bore
300-207-171 1-3/4 ex test pipe
400-257-204
450-278-214
500-291-222
550-304-224
600-311-229
best of all the numbers through an ls6 intake
200-153
300-204
400-247
450-261
500-272
550-279
600-283
