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Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
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#42512 12/28/2003 2:14 AM | Joined: Dec 2001 Posts: 215 Shop Shark | | Shop Shark Joined: Dec 2001 Posts: 215 | 1.the 292 would handel 5500 rpm if had all proper hipower parts (such as forged piston high performnce conecting rod etc)
2.
thay do not have 12 ports
thay have 6
one for each two cylinders
there is 12 port heads but thay are spendy and hard to find. whith twin turbos you would not need 12 ports
I wonce had the same idea about 250 six I picked the 250 becuse of the higher rpm and qicker revs
I have herd of 250 taking 7000 rpm whith out exploding allthou I would be the last one to try it | | |
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