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Old 09-30-2022, 12:15 PM
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GOAT8U2 GOAT8U2 is offline
Chief Ponti-yacker
 
Join Date: Mar 2003
Location: Prospect Hts, IL
Posts: 703
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Yes correct, relieve pressure and maybe get a 2-5% bump from the pump would be a nice gain for the time and $ to do it.
585hp x 3% = 17hp = 602hp

I'm looking into this...
GM or Ford smog pump
12v, 6k rpm brushless motor swap
Holley HP turn on around 3k rpm and 70%+ tps.

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69 GTO Convertible, 4000lbs
462ci, 606tq/569hp - 93 oct at 34 deg (207psi)
11.7:1, KRE H Ports, Lunati HR 282/290 w Johnson Lifters & 1.65 Scorp, E30, EFI, Holley HP + Dual Sync, 12-1 Crank Trig, 120lb Inj & 1000cfm TB, Torker II EFI Int & Rails, PTC 10" 0 Stat, Ricks SS Gas Tank, Magna 4303, Aerom EFI Reg, Aero Front & Wilwood Rear Disc Brakes, Dougs 1 7/8" Headers & Borla Pro XS 3" Muffs, Alum Rad & Dual Fans, 12:1 Box, UMI Control Arms & Viking Berz Fr + Rear CO Shocks, Hella UP28 Vac Pump