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-   -   New project (https://67-72chevytrucks.com/vboard/showthread.php?t=782846)

fbbbkeith 03-07-2019 02:49 PM

New project
 
Just purchased 1970 GMC suburban. Currently in my shop with new four inch lift springs, new dana 60 axles with locker in rear. Typical suburban rust but runs great. Wondering about rpms on highway with 4.10 gears and 37" tires?

Travisarmenta 03-07-2019 03:04 PM

Re: New project
 
Quote:

Originally Posted by fbbbkeith (Post 8481936)
Just purchased 1970 GMC suburban. Currently in my shop with new four inch lift springs, new dana 60 axles with locker in rear. Typical suburban rust but runs great. Wondering about rpms on highway with 4.10 gears and 37" tires?

http://www.grimmjeeper.com/gears.html

Great tool, lots of factors go into it, not only differential gearing.

Let us know what you come up with.

Lieferson 03-08-2019 11:20 AM

Re: New project
 
On behalf of all of us. we would like to see your new project


:wop:

Lokin4AReason 03-08-2019 01:46 PM

Re: New project
 
greeting(s) to the show .....

Ol Blue K20 03-08-2019 03:52 PM

Re: New project
 
Yes, definitely need some pics..........please. ...

fbbbkeith 03-12-2019 10:31 AM

Re: New project
 
Found website www.advanced-ev.com They have a page where you put in the three variables you know to get the fourth one. At 2500 rpm my 37" tires with 4.10 gears will make 67.1 mph. I think I might have to give up the four speed for overdrive.

polishspy 03-12-2019 12:50 PM

Re: New project
 
gear vendors, that's what i'm doing to my '70 with a SM465 and np205

fbbbkeith 04-05-2019 10:54 AM

Re: New project
 
3 Attachment(s)
Phase one complete. 4" lift, new 4.10 Dana 60 axles, Detroit locker in rear, 37" tires.

pwdcougar 04-08-2019 08:42 PM

Re: New project
 
Quote:

Originally Posted by fbbbkeith (Post 8501243)
Phase one complete. 4" lift, new 4.10 Dana 60 axles, Detroit locker in rear, 37" tires.

It looks like a monster truck with those tires! I like!

richard2717 04-09-2019 06:44 AM

Re: New project
 
Nice looking rig just like it sits

Ol Blue K20 04-09-2019 08:53 AM

Re: New project
 
Quote:

Originally Posted by fbbbkeith (Post 8501243)
Phase one complete. 4" lift, new 4.10 Dana 60 axles, Detroit locker in rear, 37" tires.

Looks MEAN!

HO455 04-09-2019 11:54 AM

Re: New project
 
Cool!
And Welcome Aboard.


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