1200-1400 rpms! All you need to do is to let off the brake and the car takes off on it's own! This covers up lopey idle, bad PS pump, AOD issues and removes the need for a choke. Word!
I have always had poor operation on anything other than 10w-30, but my bearings are probably pretty worn. Anything lighter goes right out the tailpipe and anything heavier makes the car feel sluggish.
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91 GT Carb conversion, holley 600 double pumper, edelbrock performer intake, FMS "C" drop springs, march 1000 underdrive pullies, crane 1.7 roller rockers, GT-40P headers, bassani x pipe, american thunder catback, FMS 4.56's, msd aL6, trunkmount battery, A/C eliminator kit, 3000 stall tci streetfighter, AOD with transgo kit, A+ servo, 300M hardened lockup shaft, kevlar bands and 28,000 gvw trans cooler, 3 core radiator, 300 lbs stripped with a full interior
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