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07-30-2022, 01:45 PM
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Senior Member
 
Join Date: Jul 2000
Location: North Texas
Posts: 3,599
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71-72 vs. 73-up spindles
My 69 C10 has 85 C1500 std duty spindles that use the 1.0 thick rotors. I installed them nearly 30 years ago when there weren't very many choices for disc brake conversions.
I didn't do "before and after" measurements, but even with new stock front springs, it's always seemed like the truck sits 1" or more lower than with the stock 69 spindles. In fact, even with 3" drop springs in the rear, the truck still has a little forward rake. Does anyone here know if the location of the actual spindle (the machined shaft) on the 85 spindle is higher than on a 71-72 spindle? Or do you know if the overall spindle height (ball joint to ball joint) is different?
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Mike 1969 C10 LWB -- owned for 35 years. 350/TH350, 3.08 posi, 1st Gen Vintage Air, recent AAW wiring harness, 5-lug conversion, 1985 spindles and brakes. 1982 C10 SWB -- sold 1981 C10 Silverado LWB -- sold, but wish I still had it! 1969 C10 (not the current one) that I bought in the early 1980s. Paid $1200; sold for $1500 a few years later. Just a hint at the appreciation that was coming. Retired as a factory automation products salesman. Worked part-time over the years for an engine builder and a classic car repair shop. Member here for 24 years! This is the very first car/truck Internet forum I joined. I still used a dial-up modem back then! |
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