Ram Air Restorations is listing their manifolds as "in stock" - is that incorrect? https://www.ramairrestoration.com/po...o-v8-2151.html
I recently put a set of Doug's on a '68 Firebird. I've installed dozens of sets of headers in my life, and these were about the best I have seen. Using 5/16" head bolts, I am able to put a geared wrench on every bolt, and did not have to modify any of the tubes for clearance. From headers on the ground, to installed with gaskets and all 12 bolts tight, it took me less than 45 minutes.
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'73 T/A (clone). Low budget stock headed 8.3:1 455, 222/242 116lsa .443/.435 cam. FAST Sportsman EFI, 315rwhp/385rwtq on 87 octane. 13.12 @103.2, 1.91 60'.
'67 Firebird [sold], ; 11.27 @ 119.61, 7.167 @ 96.07, with UD 280/280 (108LSA/ 109 ICL)solid cam. [1.537, 7.233 @93.61, 11.46 @ 115.4 w/ old UD 288/296 108 hydraulic cam] Feb '05 HPP, home-ported "16" D-ports, dished pistons (pump gas only), 3.42 gears, 275/60 DR's, 750DP, T2, full exhaust
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