Just sharing my experience with the BBK Blue lowering springs,They made my 60's worse than the stock ones did,too stiff and wont let the car squat,I ordered the Moroso Drag springs with the staggered spring pressure and dropped my 60's from 1.9's to 1.6's(2.1's with the BBK's). It's your money but this is my experience with the lowering springs,yours may vary.The springs from Moroso were 98.00.
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Jack
1989 Mustang LX: Converted to Carb.650 AED Holley DP,Weiand Stealth Intake,Edelbrock Performer RPM Aluminum Heads,Hooker Super Comps, Ground Pounder Uppers and Lowers,Moroso Drag Springs,NEW COMP Xtreme Energy Cam and 1.6 RR. ,a few other goodies.*** New 1/4 times-12.50
1987 SC GT ( fast as hell)
2001 Powerstroke Tow Vehicle 1989 Coupe.

Sometimes when you cry,no one sees your tears..........
Sometimes when you are happy,no one sees your smile.........
But,FART just ONE time..........
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