Biggsw784

iTrader: (9)

I am building a 408 for a friend of mine and its 11 to 1 comp, 242/248 620/620 112 cam, l92 heads fully cnc'd by wcch and i have a stock 90mm l92 truck intake. Is this intake going to flow good enough for the combo?? The heads are going to flow around 345 on the intake and 245 on the exhaust. If not, what options would I have with this build?? Thanks

LS6427

iTrader: (2)

FAST 102mm, no MAF, SD tune.

Those heads will do great on a 408ci. But you could still use alot more cfm to accomodate a 408ci.

How much were those heads? Do they come complete, ready to install?

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Biggsw784

iTrader: (9)

i bought the heads brand new from gm bare and just sent them to wcch

venom ws7

iTrader: (13)

I thought FAST Still didnt make the intake for L92/LS3 Heads???


Ported L92 Will be fine but the I thought the cam is big on Duration side for L92 Heads maybe I'm wrong though??