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Message: <blockquote data-quote="Blown5_Oh" data-source="post: 209354" data-attributes="member: 8026"><p>well im getting the 351 block here shortly and i was looking at rotating assemblys and summit has a fully forged 393 scat kit for 924.xx. So i was thinking about dropping that in there since more ci is always nice. question is will these weaken the block to where i might not be able to push 650 down the road? also what kind of curve would i be looking at with a 393 turbo with gt40p head cobra upper and ported lower with the cobra cam vs the same set up with a 351. The mootr will be boosted to 525ish depending on the curve and i dont want to fully max out my injectors! I will be upgrading the from 42# to 60# later along with a new h/c/i but for now the money has to go to places like the tranny, read end and some paint.</p></blockquote><p></p>