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Old 03-16-2017, 01:36 AM   #9
El Dorado Jim
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Join Date: Dec 2009
Location: El Dorado Ca
Posts: 3,374
Re: Granny geared 71' K10, I need to go faster...

Quote:
Originally Posted by BILT4ME View Post
4.10's and 33" tires = about 3200 RPM at 70 MPH.

I drove my 69 that way for YEARS as a DD.

Have the engine ported, polished, and balanced while you're away, come back, drop it in, and enjoy!
I like this combo,but you might be better going to 3:73 gears...better on the highway, lower rpm's with the 33's...I love the 4 spds in my trucks, I have changed out automatics to 4 spds...they are tough and rarely need any attention...I have had the same clutch in one of my trucks with a 454 and tow some very ridiculously heavy loads.....you have the sm465 trans with the 205 transfer case, you cant get a better combo....if you want to spend alot of money, one of the posters mentioned the NV4500 5 spd with the round pattern 205,hard to find t-case...and the NV 4500 is expensive....Like I said you may be better off with 3:73 gears front and rear...I had a truck once with those gears and loved it
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