What size jets in a Holley should I run? - The 1947 - Present Chevrolet & GMC Truck Message Board Network

jays68yak · 11-26-2002, 08:13 PM

Im thinking about tossing on a preformer rpm manifold and a holley 650 double pumper on to my suburban. I was wondering what size jets you guys think I should run. The motor is all stock, backed by a 4 speed now but soon to be a 700r4.

tom hand · 11-26-2002, 08:19 PM

Read this

http://www.mortec.com/carbtip1.htm

11-26-2002, 08:13 PM	#1
jays68yak Registered User Join Date: Oct 2002 Location: Gilroy, CA Posts: 1,454	What size jets in a Holley should I run? Im thinking about tossing on a preformer rpm manifold and a holley 650 double pumper on to my suburban. I was wondering what size jets you guys think I should run. The motor is all stock, backed by a 4 speed now but soon to be a 700r4. __________________ 1969 Chevy Project SWB Fleet, 20s, 5.3, t56, in the weeds. 1970 Chevy Truck cab on a 1979 Jimmy frame-8.1 liter 496 bbc/sm465/np203-jeds doubler-np205/d60/14bff Welded/42 tsls on recentered H1s 1998 Chevy Crew Cab K3500 SAS'd with hpd60, links and swayaway coilovers. 8.1l vortec DD/towrig "I like long walks, especially when they are taken by people who annoy me. "

11-26-2002, 08:19 PM	#2
tom hand CCRider Join Date: Feb 2000 Location: Olive Branch,MS,USA Posts: 2,232	Read this http://www.mortec.com/carbtip1.htm __________________ 72 GMC Sierra SWB almost finished---- 84 Softail Olive Branch MS



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