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Old 08-23-2010, 01:00 PM
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Originally Posted by GTXKen
Keep in mind that any money you put into that block in the way of parts and machine work is throw away money because you will want to move up to a 350 some day.

Do yourself a favor and at least check around and see what a 350 will cost you before you start.

i certainly agree with this!

with those heads you will have problems with the valve size and wall clearance, as well as you will loose about .5 of a compression point so if you have "10:1" now you will end up with about 9.5:1 and limit your choice of cams all due to the 58-60cc heads you have on there and the additonal 6-4cc's in the TF 64cc combustion chambers.

if your goal is to make a 300hp 305 then i would say find a set of 4416 305 HO heads, and use a cam around 210-216 duration @ 050 with about .450 lift. you may want to look into a cam with a later intake closure or more LSA to compliment the cam selections you will be looking at and the supposed 10:1 CR
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