PONTIAC 1970 formula 400
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65 gto startupby pzmr002,374 views- 1:52
BEST PONTIAC 400by MRMOTORING12,741 views
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Firebird vs Viper GTSby bb55idvo693 views
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My 1965 GTO.movby Red65GTO735 views
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461 Pontiac 475HP Custom Crate Engine BY Proformance Unlimitedby crateengines2,637 views
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72 Pontiac Ventura 455 all steel @ Sacramento Racewayby slcalddrag4,342 views
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1965 Pontiac GTO startup after rebuildby pzmr001,657 views
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79 Pontiac 400 idle valve inspectionby Yukonexpress984 views
- 0:34
'77 Pontiac Trans Am V8 Exhaust Soundby TransAMGTA19882,318 views
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Mickey 400 cid Pontiac engine ideling on the dyno.MPGby TinIndianPerformance493 views
I have a YS 400 as well w/ #13s. I put the #13s on a 350 until I built the 400 bottom end. But, planning on reuniting the 400 with the #13s. I think CR would be around 9.8:1 w/ .025 deck, .030 head gaskets, .030 overbore, and the 72 cc chambers, which is pushing it for pump gas. Where is your CR? Any detonation problems? Looks and sounds nice, BTW!
69GTOby1 3 months ago
@democratichypocrit Exactly right! I think it's still a decent car. The Ram Air 3 was no slouch. But call it what it is, and be a proud Pontiac guy!
barcrrt 5 months ago
RA4 Headers? Are you sure? RA 4 headers will only fit RA2, 4, HO455 and SD heads. Your heads are neither.
BS
democratichypocrit 7 months ago