Thread: Weber Jetting Survey
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Old 05-02-2012, 08:21 AM
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jhirasak jhirasak is offline
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Join Date: Feb 2012
Location: Redondo Beach, CA
Cobra Make, Engine: 331 SB, AFR heads
Posts: 75
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Hyde,

Please update the information that I provided earlier to you. I am currently running a Windsor 331 roller block with a Comp roller hyd cam XE282HR-12 with the following specifications: Gross valve lift .565 In/.574 Ex; Duration @ .050 232 In/240 Ex; Lobe separation 112.0 degrees. Ignition setting: 18 deg initial, 38 degrees total @ 3000 RPM.

The 48 IDA specs are as follows: Venturi 37 mm; Idle jet 70; Idle jet holder 100; Main jet 135; E-Tube F11; Air Correction 120; Acc Pump bleed 50.

The engine runs without flat spots after it warms up and get around 15 mpg on the highway and 10 mpg around town.
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