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#1
09-25-2023, 11:35 AM
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Around 2003 my '67 Firebird was running 11.6's with mechanical fan & water pump.
I changed to a Flex-a-Lite BlackMagic shrouded 3.300cfm fan and a CSR electric water pump. I didn't dyno it, but my e.t. improved close to a tenth and about a full MPH gain as well. Highway speeds it would get to a bit over 190. But in traffic or low speed driving the temp would drop to 160 (thermostat temp). On my old Falcon street/strip wagon, and also on a '68 Firebird I'm finishing up for a friend, I've used the DC Control 65p35 PWM controller, which varies the speed of the water pump and fan(s) to keep the motor at a more consistent temperature. http://www.dccontrol.com/constant_te...ontrollers.htm
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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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