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Ecklers AutoMotive
Username Post: QA1 spring rates LS motor        (Topic#353605)
Frequent Contributor
Posts: 1713
Age: 55
Loc: Fargo, ND
Reg: 05-30-03
10-25-18 02:56 PM - Post#2749555    

What spring rate are you guys using for QA1’s on the front with a iron LS1? If remember correctly the LS is about 100# lighter than a average SB.

Ecklers AutoMotive
Nick P 
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Posts: 6106
Nick P
Age: 71
Loc: De Queen, Arkansas
Reg: 10-15-03
11-01-18 12:58 PM - Post#2750177    
    In response to jgrimmy

How is the engine bay outfitted? AC, Power Steering, Battery? Are you using stock or tubular upper/lower control arms? I'd consider 400, 425 or 450 for starters. Springs are cheap and easy to change in comparison to stock suspension. What's the weight of the car? Bias F to R?

Ecklers AutoMotive
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