Gearing

2000.2500.ram · Jul 16, 2015

I just found out I have 3.55 gears. And I'm running 35" tires. Though I had 3.73s but don't. So I wanna get these switched out. But I don't know whether to go with 4.10s or 4.56. But I drive highway alot. 60mph. Wondering rpm with both and do I need a ring and pinion for front and rear. Just want some thought

tommyboi87 · Jul 17, 2015

I can't comment on tire size, but you definitely need to regear both axles. I've got 4.10 on stock rim and tire height. I'm under 2 grand at 65 though.

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2000.2500.ram · Jul 19, 2015

Ok that's good enough for me. I know I had to do both. But not real shore why I asked. Guess I was suspecting a no so I didn't have to spend as much hahaa but thanks. Really was wondering about highway

1SilverBullet2 · Jul 19, 2015

I have 4.10's with 35's. Honestly couldn't tell you my rpm and speed correctly since my speedo is off from my tires lol at 2,000 my speedo says I'm 65 but I know I'm going faster than that when I can keep up with interstate traffic...are you referring to the gears in your 360 or 12v?

dodge dude94 · Jul 19, 2015

If you're only going 60, get 4.56

BBartow · Jul 19, 2015

Lifted01 said:
I have 4.10's with 35's. Honestly couldn't tell you my rpm and speed correctly since my speedo is off from my tires lol at 2,000 my speedo says I'm 65 but I know I'm going faster than that when I can keep up with interstate traffic...are you referring to the gears in your 360 or 12v?

Yes this is very important

mitchbowers · Jul 19, 2015

BBartow said:
Yes this is very important

Its a 2500 judging by his name, so he doesn't have a v8 if he has 3.55 gears.

V10 or diesel-3.55
v8 2500's-4.10

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BBartow · Jul 19, 2015

mitchbowers said:
Its a 2500 judging by his name, so he doesn't have a v8 if he has 3.55 gears.

V10 or diesel-3.55
v8 2500's-4.10

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V8 2500s can have 3.55s

mitchbowers · Jul 19, 2015

BBartow said:
V8 2500s can have 3.55s

I was pretty sure most came with 4.10s?

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BBartow · Jul 19, 2015

mitchbowers said:
I was pretty sure most came with 4.10s?

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I've seen lots with 3.55s

1SilverBullet2 · Jul 20, 2015

He has a 2500 with a 360 that has a turbo, that's why I was asking while his profile says 12v. But yes I've seen 2500 360 w/ 3.55's as well.

tommyboi87 · Jul 20, 2015

Just for the record, I meant to say under 3 grand. This phone changes everything I type.

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Stegs · Jul 21, 2015

i have 315 tires, which i think is 34" tall or close too

anyway, i have 4.56 gears and a spicer limited slip in the back

if your going to spend the money, go 4.56 . Its like 4.10s on steroids!

4.56 gears make it easier for your motor and easier on your drivetrain.

plus its fun sometimes to throw like 225 tires and go out and do some hooning! :naughty:

Merc225hp · Jul 21, 2015

BBartow said:
I've seen lots with 3.55s

Not with a v8. V8 was 4.10

I have had a few gear ratios and tire sizes. 4.10 is still my favorite for my speeds, roads and how my motor is built.

BBartow · Jul 21, 2015

Merc225hp said:
Not with a v8. V8 was 4.10

I have had a few gear ratios and tire sizes. 4.10 is still my favorite for my speeds, roads and how my motor is built.

I have seen many V8 2500s with 3.55s and yes they were D60s.

Merc225hp · Jul 21, 2015

No **** they where 60's I'll look into it but I have not seen this.

BBartow · Jul 21, 2015

Merc225hp said:
No **** they where 60's I'll look into it but I have not seen this.

Sorry didn't want to sound like an ass for contradicting you.

I believe newrammer said he has 3.55s and his is a V8 2500. Also pulled the vins off 2 trucks on craigslist that were V8 2500s. I know build sheets aren't always reliable considering they call a rear D60 a 200MM axle, but here they are.

http://www.dodge.com/webselfservice/BuildSheetServlet?vin=3B7KF23ZX1G166696
http://www.dodge.com/webselfservice/BuildSheetServlet?vin=3B7KF22Z5WG146803

2000.2500.ram · Jul 23, 2015

Sorry guys it's been awhile. But its a 360. Gna change subject a little. Saving up for the front gears now. But my flexplate took a crap on me. So I was gna go ahead and install a shift kit. What ones do u guys recommend?

1SilverBullet2 · Jul 24, 2015

I've seen most guys go with a Transgo kit.

BBartow · Jul 24, 2015

Yeah usually Sonnax or Transgo

Gearing

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