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# ).

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Alex Denysenko
Co-Administrator and Moderator

NHRA/IHRA/SRA member and licensed Superstock driver
MCA member# 53321
NHRA and IHRA SS/LA National Record Holder '00,'01,'02,&'03
Fleet of FoMoCo products including 88 ASC McLaren Mustang #28
Professional Manwhore
The Barry of BarrysGrrl