Anybody know the spring rate of 1967 GT350 coil springs? - Vintage Mustang Forums
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Old 07-27-2007, 09:46 AM   #1 (permalink)
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Location: Houston TX - I drive mine.
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When I put the 347/T5 in my 67 GT350 the front end raised up about 1" (I guess because the engine/tranny was lighter). Then I added pinion shims in the rear which lowered it about 1/2". I know that the Shelbys original had a "nose up" attitude but this is ridiculous.

I want to lower the front end but I DON'T want to cut the coils on the original springs. I also want to avoid putting in a spring with a harsh spring rate (like 620#). I like the springs that are in there so if I could find a set of 1" lowering springs with the same spring rate I would be happy.

IIRC the coil springs in 67 GT350s had a different spring rate from regular GTs (I could be wrong about this).

Does anybody know what the spring rate was?
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1967 Shelby GT350, dark green, 347 stroker, 5-speed, inboards, #2206
1973 Mustang Convertible, white/white, black stripes, Q-code (351C-4V), ram air.
1968 1/2 428 CJ convertible, R-code, red/deluxe red, auto, finally finished.
"If you find the car of your dreams, ignore the price guides and pay whatever you have to in order to get it."
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