Quote:
Originally Posted by Murf
Eginemasters did a dyno test of 750 Brawlers recently. DP vs vacuum secondary. Can’t remember the exact numbers but there was a noticeable loss with the VS on peak power. I’ll see if I can find it.
Murf
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I was playing around with a car on a chassis dyno, about 10 years ago, RWHP in the lower 300's. Had a nice VS Holley, a DP, and a nice running Qjet. After adjusting the AFR on each, they were all really close. DP did the best, but only 4 or 5hp more.
On my first 67 Firebird, which had a 326 with too much cam, going from a stock torque converter to a "3000" (which flashed to MAYBE 2800 behind the torqueless 326) knocked nearly 2 full seconds off the e.t. (from high 16's to high 14's).
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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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