Front Spring Decisions

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Front Spring Decisions

Postby 74_Vega_GT » Tue Oct 09, 2018 7:56 pm

I have compared the relaxed height, load capacities, compressed height, wire diameters of several of the H-bodys from 74 thru 78 and am having a tough time determining which is the correct spring for my particular set up. Smiley?..Harry?
The set up is deep pocket 75 lower control arms, V6 4.3, with air cond. I believe I ordered shocks for the V8 77 Monza, which shouldn't make a difference in the overall heigh (is this a correct assumption?). Theres a good 5 inches between the top of the tire and the bottom of the wheel well and I would like to lower it without cutting springs or heating them till they sag into place. I hear thats a bad way to go.
The two Moog numbers I looked at were -6490 and 5576. I am not sure which ones I ordered and installed.
I see that just because you need to lower 4 inches doesn't mean that you cut 4 inches off of a relaxed coil spring. S-10 spindles and axles and 15 inch wheels are on it now. Thanks in advance..Peace
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Re: Front Spring Decisions

Postby Smiley » Tue Oct 09, 2018 8:35 pm

try the 6490's then drop spindles if you want more.
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Re: Front Spring Decisions

Postby 283vega » Sun Oct 14, 2018 9:43 am

Got pictures? Also if its sitting to high loosen control arm bolts while sitting on the ground . Jump onthe bumper or jack up from under control arm. If they were tightened while hanging when car was on stands the car seems to be stuck at a higher ride height.
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70 corvette


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