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Author Topic:   Holley Questions....
fordfan
Gearhead

Posts: 3092
From: Walla Walla, Wa, USA
Registered: Jun 99

posted 04-04-2003 10:12 PM     Click Here to See the Profile for fordfan   Click Here to Email fordfan     Edit/Delete Message   Reply w/Quote
I have to tear into my New 770 Street Avenger too dig out the Clear float level sight "Glass" that Broke off... ( I hate these *@#@@# things..).

I am wondering if while I'm in there if I need to make any Changes to the "Bolt on and go... " Carb

I was getting ready to adjust the Fuel mixture screws, when this whole thing started, as the Motor is running way to rich. (pipes are Black inside, as is my bumper above the outlets..)

The Factory Settings are:

Primary Jet: 72
Sec Jet : 75
Pump Discharge nozzle: .025
Power Valve: 65
Secondary spring: Silver

The Motor is my 454.. . Its an 8.5 compression motor, running a Crane H-266-2 Cam, not degreed (though the timing set can be degreed 4 degrees Av or Ret.)

Advertised Duration is : 266int/274exh
Duration @ .050 is : 210int/218exh
Lobe separation is : 114
Gross lift is : .485int/.502exh

The rear-end ratio calculated out to roughly 4:10 ( that was with 29" rear tires, they are now 28" ). Rough weight estimate is 4000# (without me.. with the old small block and 1/4 tank gas it Weighed 3700# ).

Any help would be great..

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Moneymaker
Administrator

Posts: 25883
From: Lyons, IL, USA
Registered: May 99

posted 04-05-2003 04:48 PM     Click Here to See the Profile for Moneymaker   Click Here to Email Moneymaker     Edit/Delete Message   Reply w/Quote
I would try a 5.5 PV for starters. It will lean you out during part throttle conditions.

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Alex Denysenko
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