Take it to the dyno and get the A/F checked out. Hard to diagnois what someone else sees....
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SC Motorsports
11801 State Road 52
Hudson, FL 34669-3092
(727) 856-8768
FordSpeed Racing
11733 66th St., Unit 123
Largo, FL 33773
(727) 549-8255
Dynojet Chassis Dyno