I agree i'll have to get a smaller carb 650 probably. I would return this demon to summit but once there is gas in it they won't take them back. so i guess i'll try and sell it.
I have a high speed vibration that goes away when i put in the clutch, starts around 55mph then gets worse the faster i go, low speed isn'y bad at all, i have all new mounts. new harmonic balancer and supposedly a balanced driveshaft, new u-joints. I'm thinking maybe an aluminum driveshaft would help. any ideas.
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66 coupe, 306 balanced bluprinted, performer intake,725 Road Demon, Crane Cam, Tri-Y Headers, factory Shelby glass packs 2 1/4 with exit in front of rear wheels, 3:50 rear, 8 inch rear, mustang plus suspension, 41/2 mideye leafs, 620 springs on front, kyb gas shocks. tony branda shelby hood, r-model valance, rear side scoops(functional),stainless steel slotted front brake system,,13.39 1/4 mile with no slicks and no posi.
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