12-26-2020, 11:43 AM
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CC Member
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Join Date: Jul 2003
Cobra Make, Engine: Unique Motorcars 289 USRRC, 1964 289 stroked to 331, toploader
Posts: 1,104
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Not Ranked
Quote:
Originally Posted by blykins
You don't want to buy the next size up if they are 180cc.
A 180cc port is plenty big enough for a 289. My 347's make almost 550 hp with 185cc heads.
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For clarity Brent, did you change head companies in your comparison, does Dart make both 180cc and 185cc, or was it just an errant finger on the number 5 key ?
Either way, that is a nice, impressive number!
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Paul
Unique Motorcars 289 USRRC
1964 289 5-bolt block
Toploader and 3.31 rear
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