Well, I figured I'd post a small update. I am definitely looking for a replacement subframe. I measured mine compared to the original specs the other day and it is WAY off. The mount locations on the car itself do match spec however so that's good news.
I also was able to check out my new (for me) 12 bolt that I traded the old camaro motor for. It's a posi unit and I was hoping for the correct gearing but I didn't really know what it was. Took the time to count the revolutions of the pinion to the hub and decided it's a 4.10. That's great news. I can use that.
With a 27" tall tire I should be about 43mph in first gear at 6500 RPM and 1600 RPM in 6th at 55mph. 70mph in 6th will be at 2000 RPM.
I think I can live with that. It should really want to roast the tires in 1st though. If I have to adjust maybe I'll go with a bit bigger diameter rear tire, of course, I'm not sure what is best for looks and fitment.
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'69 RS Camaro
'99 SWB Silverado LS "Beater"
'01 GMC Sierra 2500HD LQ4 (Turbo build)
'04 GMC Sierra 2500HD 4X4
My '69 Camaro Build Thread
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