Quote:
Originally Posted by hurryinhoosier62
You’re talking about the 549. The block alone weighs nearly as much as a complete Pontiac engine. Not overly powerful, either. IH never had one that was rated over 250hp. Parts are difficult to find on a good day.
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No, IH used 348 and 392 inch V-8's, gasoline, in buses and dump trucks. Shaft rocker arms, forged cranks and rods. They used the EXACT same engines in Travelalls, Travelers and Scouts. The cams all had smaller exhaust duration than intake duration, and power curves were DONE by 4,000rpm, but they could pull massive loads off-idle with a manual transmission. HP ratings were crap, but they could pull - pull nearly anything.
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'73 T/A (sold). Low budget stock headed 8.3:1 455, 222/242 116lsa .443/.435 cam. FAST Sportsman EFI, 317rwhp/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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