They are a really good head for mustangs out of the box. I will take aluminums any day over cast iron for the weight savings. I am looking to get heads for the car real soon. Also how much lift can the stock pistons handle, clearence wise. I will do everything at once such as cam and intake. I am new to the camaro scene so any suggestions would be great. So what do u guys think would work good w/ the tfs heads and 1.5 or 1.6 roller rockers.

 

ttt

 

the chambers are kinda big for a 305 if I remember. You might have to have them milled.

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-Tas
'89 Formula WS.6