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Thread: 306 build
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post #2 of (permalink) Old 01-06-2016, 07:54 PM
Tech Contributor
Join Date: Jan 2002
Location: Ontario,Canada
Posts: 6,662
Re: 306 build

It isn't that hard to get those hp numbers with a good set of aftermarket heads. A stroker will just do it at a lower rpm which makes it a little more streetable. If you have to buy a crankshaft and rods it makes no sense to stay with the 302. The cylinder head selection depends on whether you want to be maxxed out at 400ish hp or if you want them big enough to be able to grow further on a bigger cubed engine later on? An AFR 165 or trick flow 170 should get you close but something bigger in the 180 -210 cfm range will work well on a 347 as well.

1968 mustang 408W Hybrid..Burns gas and rubber!
[email protected] with a crappy 1.72 60ft.

Last edited by frdnut; 01-06-2016 at 08:07 PM.
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