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red82gt · 05-30-2002, 10:55 PM

The last head to head flow test I saw, the stock intake with extrude honing only flowed ~200 cfm per runner, it did do wonders for evening out the flow of all the runners (all were now within 5cfm) the low cylinder on the GT-40 flowed 215, after they straightened and welded the runners it did like 250+CFM. The design of the GT-40 is also superior to the stock intake, no matter how big you make the ports on the HO intake. But then again, don't believe everything you read.

05-30-2002, 10:55 PM	#14
red82gt Sober voice of Reason Join Date: Nov 1998 Location: Kelowna, B.C., Canada Posts: 1,514	The last head to head flow test I saw, the stock intake with extrude honing only flowed ~200 cfm per runner, it did do wonders for evening out the flow of all the runners (all were now within 5cfm) the low cylinder on the GT-40 flowed 215, after they straightened and welded the runners it did like 250+CFM. The design of the GT-40 is also superior to the stock intake, no matter how big you make the ports on the HO intake. But then again, don't believe everything you read. __________________ 393W: AFR 205's, hydraulic roller, TKO600.