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73-87 Chevy _ GMC Trucks => Brakes, Frame, Steering & Suspension => The Lows (Lowering/Drops) => Topic started by: Heysq86 on June 25, 2018, 10:32:33 PM
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I installed a flip kit from Western Chassis and after comparing the measurements before and after, my truck lowered 7 inches when the kit was advertised as 4.5/5.5. I put on new rear leaf springs with 5 leafs and new stock rear shackles and have not tightened any of the spring bolts yet. Why did it lower 7 inches? That is more than I wanted as I do not want the back to be lower than the front. It has 2.5 drop spindles and 1 inch lower springs on the front. Original springs were 4 leafs so that is what I bought and thought that was the problem so then bought the 5 leaf rear springs....rating is 1290 lbs and 1950 lbs respectively...with very little difference. I have yet put on the new rear shocks but can't see that helping.
Has anyone run into this issue and offer any help? Thanks in advance.
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Welcome to the site.
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Is the arch of the new springs different than the old ones?
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Usually the flip kits are a range and not an actual drop, as they're different for different trucks. Mine was 6". I got an 8" drop from the flip kit and a 2" shackle.
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To Capt.- Arch is the same for old and new springs.
Irk - I thought the same thing but with brand new springs I was thinking it would be pretty close to the specs. When I put the new springs on the stock way, the back end went up about two inches so when I did the flip I thought it would be better with the new springs. Not the case. Not sure if I should go back to a different spring perch and shackles. I'll put the bed on to see what it looks like and go from there.
Thanks all.
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Could I raise the truck up and then tighten all of the spring and shackle bolts or would that put the bushings in a bind and make them wear faster? Here is a pic of the truck after flip kit.
Thanks,