question on going with larger cam in my 89

dar80347 · Jan 18, 2011

I have a 1989 Mustang GT with stock 5.0 and I have 4.10 gears in rear with a street/strip PA valvebody in my AOD trans with stock converter. I am thinking of either going to the E303 or the F303 , is there anything else that has to be done to motor to use either of these cames, can I use stock springs?, stock rockers? stock pushrods?

stykthyn · Jan 18, 2011

The technical answer is to measure your pushrods anytime you change the valvetrain. Most people have had no issues with stock pushrods on either of those combos. I would also highly suggest new valve springs.

Mustang5L5 · Jan 18, 2011

I'd suggest new heads and intake before a cam swap.

A cam sort of finishes off the combo and is done to match the other parts of the motor. Putting valve springs on stock heads just to run an e cam is not worth it IMHO.

question on going with larger cam in my 89

dar80347

New Member

stykthyn

I want to measure mine. It doesn't look that tall.

Mustang5L5

That is…until I whipped out my Bissell

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question on going with larger cam in my 89

dar80347

New Member

stykthyn

I want to measure mine. It doesn't look that tall.

Mustang5L5

That is…until I whipped out my Bissell

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