Does anybody have Gen 5 stock head flow #

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Feb 1, 2023 | 10:44 AM

Sebambam

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Does anybody have Gen 5 stock head flow #

Hey guys
does anybody have the HEAD flow# of stock
L83
L86
LT1
LT4
Cylinder heads.

I try to get real infos if LT heads flow better than LS heads stock for stock.

Feb 1, 2023 | 01:34 PM

T/A KID

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Off memory lt1 and lt4 heads move around 285cfm at .600

l83 heads 30 cfm lower

they are 12.5 roughly on valve angle

Feb 1, 2023 | 02:46 PM

Sebambam

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Quote:

Originally Posted by T/A KID

Off memory lt1 and lt4 heads move around 285cfm at .600

l83 heads 30 cfm lower

they are 12.5 roughly on valve angle

perfect thanks..

How does this compare to LS heads?
Especially the cathedral heads

Feb 11, 2023 | 12:41 PM

968ls1

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GEN 5 LT1 cfm

GEN 5 LT1 head was tested at Engine Labs Intake 304cfm @ 5.50 214 on the Exhaust

Feb 20, 2023 | 09:12 AM

kinglt-1

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From: Ft. Wayne, IN

The Direct Injection Flow Path - Porting Factory LT1 DI Heads (enginelabs.com)

Mar 18, 2023 | 11:47 AM

grinder11

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From: Michigan & Florida

There was another thread recently, here or on CF. Anyone who already has these heads it's probably good to port them. Anyone who switches to them just to swap will be throwing money away. When Tony Mamo says this about them, I have to believe him.

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