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Old 09-24-2015, 10:15 PM   #1
JPsChevy
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Join Date: Nov 2013
Location: Ogden, Iowa
Posts: 284
4.8 4l60e vs 4 or 5spd

I'm looking at buying a 99' 4.8l engine, I would love to stay with a manual transmission but i want something that will run down the highway and still get in the 20's cruising. So I have a few direct questions if anyone could help me out.

Is anyone running an m20 or m21?

Whats the 5spd that came with a 4.8l? Is anyone running one?

What crossmember is used?

Do i need to install a high hump?
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