gm 847 cam
10-25-2008, 10:08 AM
#3
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Join Date: Oct 2005
Location: Niles, Michigan
Posts: 508
go to your local GM dealer, ordered it on a monday came in tuesday. I use the crn-99893 springs with it aswell. with self ported heads and 58 mm tb and hooker longtubes , it dynoed 397/ 385 rwhp through a 9", until opti crapped out. I think its in the 420 range now after tuning a bit more on it , plan on going to dyno again and will post results
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