Join Date: Jul 2003
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Re: SOA perches on frnt Waggy D44???
I guess this isn't really a direct answer to your question... on my scout 44 for the front of my jeep, I built up the cast perch to gain the desired pinion angle I wanted. I was SUA but the principle is exactly the same.
Changing caster is pretty simple as well, since you are in it this far, why not set the caster and pinion angle to what you desire?? As far as numbers, I don't know what to give you, but on my jeep we matched the old dana 30 angles as best we could as far as caster and pinion angle, and even took into accout the lift shackles and corrected the caster issues those caused.
As far as how much is too much, I think the limiting factor would obviously be driveline angles?? I am not sure how the oiling is affected say per degree you add to teh pinion and I haven't been able to find a good reference on that yet. But look at how many pinions have been tilted vs how many have smoked themselves from lack of oil directly from changing the pinion angle (were talking within reason here of course).... not too many as far as I know!
I say "Do it!"