Planes, trains, and automobiles

It raises the suspension?
Changing the spring perches or shackle length will raise the suspension, yes. Both of these changes still rely on the compliance of the stock springs which, again, are intended for the stock center of gravity. Changing control arms is a bit more complicated in terms of suspension geometry, but should also require new springs to accommodate the longer arms (unless the arm geometry change only widens the distance between the wheels, but will ultimately increase suspension droop and not increase ground clearance).
 
And in case anyone is wondering, the 75 blazer was a 454 bigblock crate motor, th400, 205 transfer case w/ 14blt and D60, crossover steering and 10" spring lift on 40" TSL's. The 72 was 396 (out of my chevelle), th400hd, atlas II transfer case, 14 blt/d60 axles, hydraulic assist steering and crossover, on 40" TSL's with custom double beadlocks. Built by me, but yeah slo educated me on lift types. :ROFLMAO: Both trucks are now sold. Still have the hummer, mostly stock.

Go ahead slo, post your projects and specs.
 
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Slo_Ride

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