37's and 3.50's
Elder User
Joined: Jan 2009
Posts: 774
Likes: 1
From: East Tennessee
Even with a 460, it wouldn't 'FEEL GOOD'. What 4-speed do you have. The ones with or without OD? If you got one of the tough ones (T-18/NP435), you will have 1st gear low to pull out with, but it will still be a sluggish vehicle. But, like he said, short answer is yes.
Posting Guru
Joined: Nov 2006
Posts: 1,231
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From: Riverview, FL
I am running 35's on my truck with a 300, 3.50g and np435. I can start in second but it doesn't like it. You will need to use that granny gear to get rolling, but once you get going you will be fine....you can kiss racing anyone good bye! LOL Oh and hills suck! I plan on going to a 4.56 as soon asa I can!
Posting Guru
Joined: Jul 2004
Posts: 2,244
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From: Cottage Grove, WI
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Cargo Master
Joined: Sep 2003
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From: southwest pa
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Senior User
Joined: Nov 2008
Posts: 213
Likes: 0
From: Westbrook, CT
Yes short answer is right your truck will turn 37s with the 300 6. I used to have a 84 150 with 300 6 and the 435 4 speed and I used to turn 36s, if you really know how to drive your clutch will not hate you. I took my truck apart a lil over a year after putting the 36s on it to put a built up 302 in it and my clutch was in such good shape I used it with the 302.
Post Fiend
Joined: Nov 2001
Posts: 7,698
Likes: 4
From: Neenah, Wisconsin
Yes.....very slowly....
Thats like asking if you can beat children....you can...its just not a good idea....
Thats like asking if you can beat children....you can...its just not a good idea....
Senior User
Joined: Dec 2005
Posts: 364
Likes: 0
From: Southern Delaware
what is your plans for the truck, highway or offroad? I ran 38 boggers w/a 460 and 350 gears, while on the street, it was sluggish...but in 4lo, the gears allowed enough wheel speed to do rather well in the mud...It never seemed to do much better in the mud when I did go to 4.10s compared to the 350s, but there was a diff on the street tho...
Senior User
Joined: Dec 2005
Posts: 364
Likes: 0
From: Southern Delaware
for a DD, then I would go for 35s, that would prolly get you the best of both worlds.....they can perform ok onroad, and depending on tread, would do ok offroad....although having tall tire with numerically low gears will produce more strain on your drivetrain so make sure its up par(ujoints, clutch, hubs, bearings, etc..) before heading to the trails....when you are able to, upgrade to 4.56s or 4.88.s with 37s and you will be golden....
Postmaster
Joined: Oct 2005
Posts: 3,083
Likes: 4
From: Victoria , BC
hmm.. I run 44's with 390,410's, and np435 and rarely start in first gear even on some slight hills. It's my daily driver and accelerates very well with top speed of about 110 km/h. I do have a very fresh 390 built all for bottom end with rv crane cam and edelbrock dual plane performer intake.