sound off 3.55's or 3.73's

3.73
5th gear @ 60 MPH is about 2100 for me.

Been a while since I have driven my car, but from what I remember...

5th gear, 70 mph was like 2200-2300 RPM maybe? Does this sound right?

Oh yeah thats with 3.73s and a stock T5!

Ifs its a stock motor 3.55's FTW!

The only reason I would pick 3.55's if I had to do it again would be because my 2nd gear tops out a little too soon at auto-x.

For street/strip use, 3.73 all the way!

My 3.73's with the Tremec T-5 runs at about 2200RPM at 65MPH in 5th gear

4.30's and a tremec 2500-2600 65-70mph.

Dude go 3:73 all the way!

4.10's

mustangman9812 said:

4.10's

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Yup!

3.73's are sweet. The way to go with a t-5.

3.73

I will post up RPMS, and Speed later I don't have the numbers handy.

4.10's

The rule of thumb for stock 5.0 motors is 355's for 5 spd's and 373's for aod's. And I CAN attest to this. I started off with 373's and went to 410's. For the fun factor around town the 410's win. But at the track its 2 tenths faster with the 373's. I have an AOD.

I have 2.73's. I would like to know how big a difference 3.55's would make in the quarter. My car is basically stock, 5spd.

GTOReturns - That isn't the first time I have heard that someone went faster with 3.73's over 4.10's.

My 373's run me at 2,400 rpm at 70mph. A gear calculator confirmed my rpm guage.

Grn92lx's car runs higher than 2,600rpm at 70mph, just so ya'll know

5spd GT said:

Grn92lx's car runs higher than 2,600rpm at 70mph, just so ya'll know

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Incorrect, sir. So just so "y'all" know, it see's 2500-2600 on the hwy going 65-70 as I stated by my EXPERIENCE with them in MY car

I turn about 2500 RPM at 70 MPH with 4.10's. Nice thing about them on the highway is that the higher revs keep you closer to your powerband and you never have to downshift to get around someone on the interstate. The downside, of course, is that 1st gear is so short that it's almost useless, and I'm almost at redline for the last 100' or so of the 1/4 mile in 4th gear.

I woulda' preferred 3.73's to go with my T-5, but the 4.10's were already in it when I scored the car, so I'll just live with 'em until they crap out ... if ever.

Grn92LX said:

Incorrect, sir. So just so "y'all" know, it see's 2500-2600 on the hwy going 65-70 as I stated by my EXPERIENCE with them in MY car

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Howdy, What kind of TKO? 5th gear ratio? What size tires? XXX/XX/XX? Let me know...and I'll do the math for you

5spd GT said:

Howdy, What kind of TKO? 5th gear ratio? What size tires? XXX/XX/XX? Let me know...and I'll do the math for you

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What does it matter? He just TOLD you what HIS car turns at 70!