If it's an automatic, go with a Holley 600 vac. secondary. If it's a stick car, go with a Holley 650 double pumper. You won't get the mileage with the d.p., but you'll get better performance.
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1985 Mustang GT
'85 GT 13.20 @ 105.8 / '72 Mach1
Long list...check website!!
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