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geae ratio/ tire ?

boggerless

boggerless

1 ton status
 Premium
Joined
May 26, 2003
Posts
23,088
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Location
dearborn heights, Michigan
i keep hearing and reading that i need 4.10 for 33in tires, and 4.56 for 35in tires.WTF??? why do i need that size gear? is there a long term thing going on?i just like mud so i don;t think i need the tall gears.i had a 86 f 250 with 4.10 s . a 4 speed manual, and a six cylender,inline. with 40's. and i had no prob at all. for three years that is .so now i need to follow a group of peeps that tell me i need 4'56 for the 35in tires i'm putting on the DD ???LOL
 
i have 4.56 with 33's, when they were out i will put 35's back on it. i like my 4.56 gears. they work for me, personaly i would think its what u like and what works for u.
 
like i said i had 4.10's with 40 in tires and i had no probs. i had a cheesy d44 independent up front, and it still took 3 years of abuse.
 
the 700r4 guys seem to like alot of gear. i know with mine and the 37's i plan on, i'll be real tempted to go right to 5:13's. tho more than likely i'll be running it with 4:56's for a while and see how it does...
 
If you don't have overdrive, I think 4.10 gears are perfect for daily driver/trail rig with 35" tires.
 
I had 4:56 gears in my k5 with 35's.... and would have rather had 4:10's but I also have a t350/203
 
Don't question authority, just do what we say!!!







:haha: :haha: :rotfl:


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i run 3.42s with my 35s, works good if i keep it out of overdrive. never found something i can't do with the combo.
BUT, im getting from a buddy a 14bff with 4.10s or 4.56s so ill keep that ratio and regear the front to match.
 
I dont like my 3.73 with 35's, but its decent if i can keep the rpms up. I'll be going to 4.10's in a week or two, So hopefully that will work a little better.
 
I wanted 3.73's with my 35's, but I'm stuck with 4.56's! :mad:
 
i ran 4.56s with 35s but I have OD so Im gonna go down to 5.13s. I really dont use the 35s much anymore anyway. 39.5s are the standard. Anyway, if you have an OD tranny, go as low as you can and still tolerate the highway RPMs.

j
 
Its all really about yer personal wants from your truck. I think if you are happy with a gear/tire/trans combo thats worked for you in the past then stick with it. If not then find out how to make it better. Personally on a dd I would run 3.73's or 4.10's. Maybe 4.56's if I had bigger than a 36" tire on there. I used to have an 84 k10 with 250 straight 6 and a 4speed stick. That had 3.08's in there and I would have been comfortable with 35's back in the day had I had $$ in highschool to go that big. With the 1st gear in the 4speed you can get anything rolling :grin:
 
i'm running 4.10's with 31-10.5-15:350;465/205 and it is high rpm's.thinking of going to 33's to off-set the low gears and bring down the rpm's a little or swap to 3.73's to match the 31in.tires.there must be balance somewhere!!
 
jones said:
i'm running 4.10's with 31-10.5-15:350;465/205 and it is high rpm's.thinking of going to 33's to off-set the low gears and bring down the rpm's a little or swap to 3.73's to match the 31in.tires.there must be balance somewhere!!
Click to expand...

w/ 31's could prob run 3.42's or something similar. my 84 had 3.08's and a 465... I woulda gone to 35's if I had money but 31's ran good even with 3.08's on that truck for me. just my $0.02 worth :grin:
 
jones said:
i'm running 4.10's with 31-10.5-15:350;465/205 and it is high rpm's.thinking of going to 33's to off-set the low gears and bring down the rpm's a little or swap to 3.73's to match the 31in.tires.there must be balance somewhere!!
Click to expand...

Going to 33's will cost way less than regearing, and will be more fun in the dirt! You can't go wrong!
 
thanks guys, i was just wondering about all the big gears and small tires (i think). with my past experiance engine power was the biggest factor. i know gears are make a huge difference but if you ain;t got no nuts gears ain't doin a thing for you.:D
 
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