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Old 11-25-2014, 01:15 PM   #1
scottco
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V8/Power glide/ rearend ????

I want to keep my truck as close to original as possible but want it more highway friendly.
Will a sbc with a powerglide be a good combination with a 3.08 ratio instead of the 3.73. It's just a cruiser but not wanting to pull the two speed for an overdrive..... Thanks, Have a good Thanksgiving...
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Old 11-25-2014, 02:03 PM   #2
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Re: V8/Power glide/ rearend ????

I think 3.73 to 3.08 would drop my 70 mph rpm by about 500...
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Old 11-25-2014, 04:22 PM   #3
Palf70Step
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Re: V8/Power glide/ rearend ????

The 3.08 should help your highway cruising a lot, but you'll lose some low end umph. Powerglide should do just fine otherwise. I plan on getting my rear changed to a 3.08 also to make it a bit more highway friendly.
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Old 11-25-2014, 04:57 PM   #4
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Re: V8/Power glide/ rearend ????

Thanks for the input.. Just didn't want to stress the glide to much..
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Old 11-25-2014, 06:55 PM   #5
Palf70Step
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Re: V8/Power glide/ rearend ????

I have run powerglides "real hard" in my youth and they took being hooked to 283/307/327 without any issues. AT350 just gives you the extra in-between gear.
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