Re: a429 heads

Mark Miller May 24th 2011, 1:31 am

D. Sea wrote:A429 FTW

X2,They work pretty good on my engine.One of these days i'll get enough money to get a better port job done to them. Very Happy

Later Mark.

dfree383 May 24th 2011, 7:35 am

The A429's on cheap skate are blowing 390cfm. The combo doesn't have the arse to take advantage of it, but they are flowing that on mikes bench. If you read the thread you will noting their is a wholde bunch in doing a modern race valve job on them too.

GTmustang May 24th 2011, 7:53 am

Mark Miller wrote:
D. Sea wrote:A429 FTW

X2,They work pretty good on my engine.One of these days i'll get enough money to get a better port job done to them.

Later Mark.

X3 - They work for me!
Gary

the Coug May 24th 2011, 4:05 pm

Dave my a429s were done on Mikes flow bench also and they hit 400 cfm with astounding midlift numbers, and kick ass exhaust flow also

A70maverick May 24th 2011, 8:28 pm

I have A429s on my 557, and it makes 782hp, and 750 ft.lbs. With some compression....

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