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Dave1695 · 10-14-2016, 01:59 PM

There is nothing wrong with the 400, with some minor upgrades that Chevy could have done. I ran one for years in my 67 Camaro, with small valve heads and cam from a 350. The car weight was 3100 and with 4.56 gears, ran 11 flat in ugly air and low 10.70's in good fall air.

10-14-2016, 01:59 PM	#3
Dave1695 Member Join Date: May 2009 Posts: 160 Likes: 0 Liked 15 Times in 11 Posts	Re: SB Chev 355 or 406 There is nothing wrong with the 400, with some minor upgrades that Chevy could have done. I ran one for years in my 67 Camaro, with small valve heads and cam from a 350. The car weight was 3100 and with 4.56 gears, ran 11 flat in ugly air and low 10.70's in good fall air.