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#21
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My engine builder...
For those that are unaware, Mick (The Pontiac Garage) built many of the motors listed above, including sons Mike & Russ's 11 second TA & GTO (see signature below). He is one of the very best & most knowledgeable engine builders that I have experienced, regardless of brands. Congrats Mick on the best IEGTO dyno day to date .
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Les Iden ---------------------------- '65 Buick Sport Wagon Custom, 340, T350, 3:23 '66 GTO Post/468, 700R4, 3.31 (Mike's as of 9-16) '68 Grand Prix/455, dual AFBs, T400, 2:93 posi (sold) '72 TA tribute/461, T400, 3.08, (Russ's as of 9-16) '97 Mitsubishi Eclipse Spyder Turbo, Konis, 5 speed '09 Torrent GXP, nav, Sun & Sound pkg., Bilsteins |
#22
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#23
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Auto vs stick will make a difference in chassis dyno numbers. Id be interested to see what cars had manual trans
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#24
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Not many clubs around here want to organize a dyno day either. About 10 years ago a (modern) Camaro club did that and I took my Camaro down to participate. Was a good time but no one has done anything like that since, and no classic car club I know of here would even think of such a thing LOL. Pretty sad. Looked like a ton of fun, thanks for posting. |
#25
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Quote:
A stock or very low stall converter will perform close to a stick, but you have to worry about downshifting and there will be some slippage/torque multiplication. Once you get past about 3000 stall, you can get some interesting dyno results. I once tested the same car with 3 different converters, each supposedly designed to stall around 3800-4000. Nothing changed other than the converter, yet the 3 graphs looked completely different. You can really see the converter's characteristics when you plot the graph as HP vs. wheel speed, then view HP vs. RPM. The looser/less efficient the converter, the bigger difference you'll see in the two graphs of the same data.
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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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