head help
i have a set of 98 model heads that has double valve springs and has been ported by patriot, i was told it was some of the first ones that patriot did.
the car ran well with the set up with a small cam,i am changing some stuff up and going with a large cam.and was thinking of a 5.3 head but i want some help to decide what i need thanks
i am building the engine stock but with forged internals and will be spraying about 150-175 cam is going to be a ms4 thanks for any help
if nothing else the results will help you sell them to recoup some $$
what would make them "bad" for a bigger cam if they worked well for the smaller one?
either way you'd have to check ptv clearance.
i purchased the complete engine with the heads but the set up that was in the car that i bought it from ran 7.40 motor and 6.60 on spray.
i am unsure of how much spray i have heard deferent from everybody
the times is 1/8 mile
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