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I'd like to see pics of the bags on the back of that C3. The front really isn't that big a deal to get bags under but the back sure is more difficult.
Peter
Peter.....
The fronts do require some fabrication, but not half as much as the rear. We were gonna use the 'shock-wave' stlye air bag in the front. But, PMA in Lapeer, Mi, who do the initial fabrication & install of the air system, said that the car would ride like 'Sh*t'. So, we went on their recommendation to use the bag in the spring area & then mount the shock, rearward to the frame. This makes the inner wheel well cut out larger. The Spring 'pocket' has to be enlarged to accomidate the bag cup, for the type of bag needed.
As for the rear, Much fabrication was done & parts were made. Basically, the rear has a type of lower control arm in place of the rear spring & the bags sit in between that arm & the top frame brace, where the gas tank is mounted above. The shocks mount where they normally do & you can use any of the stock application shocks available. I also am using the aftermarket adjustable strut rods. Those make it easier to align the back end & also will keep the rear wheels from 'scrubbing' [squating] too much when the bags are fully deflated, & the car is fully laid out.
I really don't have any good pics of the rear to post here. I'll try to get some.
What angle can the half shafts be ran at, what is the optimum range?
I'll post some pictures of my ride and you'll see what I'm up against.
As a 'Rule of the Thumb'. Ride height for the rear should be when the half-shafts are at or very close to being parallel to the ground. If the half shafts are angled too low or too high, it can put undue 'stress' on the shaft yokes & cause them to prematurely wear & have too much play in them. GM has pretty 'tight' specs when it comes to alignment on their cars. So if there becomes too much play in the yokes, then the rear cannot be properly aligned, within specs. In the past, when the rear of the corvette could not be properly aligned, due to excessive play & wear in the rear end parts, the wheels would 'scrub' [squat]. to eliminate this squatting condition, many would actually heat up & bend the strut rods so the rear wheels could be aligned straight. There are now adjustable strut rods to compensate for this condition, but although it will correct bad alignment, the problem of worn parts in the rear will still exist.