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4kq vs. 90q spring rates tested (for the archives)
Ok guys, I promised I'd post this when I did it. Got the spring rates
rear only) tested on the 87' 4kq and a 90q I found at the Junk yard.
4kq springs sagged a bit which could skew measurements.
90q springs are definately a bit thicker upon initial measurement. Also,
they sut about 1" higher un-compressed. Now, maybe if the stock springs
weren't sagging as m;uch they would sit a bit higher but not 1" I doubt.
Anyhow, at 1" compression they rated as follows.
4kq rear - 120lbs
90q rear - 130lbs.
So, I'll post my results after putting the 90q springs in back.
With no AC and a battery in the rear my 4kq sits HIGH in front and LOW in
back so this should correct it. I also expect an increase in oversteer.
1985 4000 quattro / silver / daily driver
1983 ur-q / black / fixing it up
1984 4000 quattro / modified/ awaiting Turbo Transplant.
1987 4000 quattro / Saphire Metallic Blue/ Girlfriend's
1996 A6q / Volcano / Dads Car
*****1985 5kt / PARTING OUT!