4.10 gears and 700r4? - Chevelle Tech
Transmission & Driveline Transmissions and Differentials

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post #1 of 25 (permalink) Old May 6th, 11, 9:25 PM Thread Starter
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4.10 gears and 700r4?

Anybody have this combo and how do you like it as far as first gear and final drive?
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post #2 of 25 (permalink) Old May 6th, 11, 10:28 PM
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Verle
 
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Re: 4.10 gears and 700r4?

My personal opinion is first gear will be too low, the equivalent of a close ratio 4 speed (2.2) and a 5.70 rear end. That is almost useless on the street.

Overdrive:
with 29" tires:
55 MPH 1800 RPM
65 MPH 2150 RPM
75 MPH 2500 RPM

with 26" tires:
55 MPH 2000 RPM
65 MPH 2400 RPM
75 MPH 2800 RPM

All speeds and RPM approximate.

Verle
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65 Chevelle L79 since Feb 1965

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post #3 of 25 (permalink) Old May 6th, 11, 10:37 PM
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Verle
 
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Re: 4.10 gears and 700r4?

Go read:

Want a 5 speed manual

pay attention to their comments about picking the right combination of transmission and rearend ratios to fit the engine build and intended use.

Verle
Tulsa, Ok
65 Chevelle L79 since Feb 1965

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post #4 of 25 (permalink) Old May 6th, 11, 10:43 PM
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Rich
 
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Re: 4.10 gears and 700r4?



Forget that 1st gear with that rear end--- Just my 2 cents.

Rich

---1965 Malibu SS Ragtop 283/416 heads/700r4
---2009 Corvette Coupe

"Whatever it is, I'm against it." --Groucho Marx
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post #5 of 25 (permalink) Old May 6th, 11, 10:52 PM
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TerribleTom II
 
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Re: 4.10 gears and 700r4?

700R4 and 3.42, about right. forget the 4.11, no good.

Tom
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post #6 of 25 (permalink) Old May 6th, 11, 10:55 PM
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Jay
 
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Re: 4.10 gears and 700r4?

3.73s + 700r4 + 26" tall tires=2nd gear before reaching halfway through an intersection.
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post #7 of 25 (permalink) Old May 6th, 11, 11:23 PM
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Re: 4.10 gears and 700r4?

Forget the 700-R4.

Use a 200-4R.


Much better for numerous reasons.
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post #8 of 25 (permalink) Old May 6th, 11, 11:25 PM Thread Starter
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Re: 4.10 gears and 700r4?

I knew it was a crazy thought but needed to hear it from you guys.I was thinking what Tom was saying about the 3.42 gears but not sure if it would be worth doing because I have 3.08 now.To bad a gearset from a 03 truck 8.6 10 bolt wont fit a car 12 bolt because I have a good used 3.42 ring and pinion.
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post #9 of 25 (permalink) Old May 6th, 11, 11:37 PM
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Dave 383 now
 
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Re: 4.10 gears and 700r4?

I run 4.10's with a 700R4 and a 275/60-15 tire.

Love it!!!!

Torque converter locked at 60 mph around 2100 rpms.

I wouldn't want my engine to run any lower .

With the cam it has in it 244 @ 050 running it lower than 2000 rpms on the highway makes it really chug.

Dave
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post #10 of 25 (permalink) Old May 7th, 11, 1:29 AM
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Re: 4.10 gears and 700r4?

I have a 468 in my 70 SS 454 Sta. Wgn. ( 4400 Lbs. ) with a 700R4.
Started out with a 10 bolt 3:08. my 700 has a 3:06 first gear.
Mash the gas and it will burn tire all day. After two years with the 3:08, I went to a 12 bolt and a 3:07. At 73 MPH. the engine is turning 1950 RPMs. and 19.7 MPG. on the I-State. NO it aint a racer!
It is just a driver and since 2003 it has been driven 33000 miles with the same 700R4. It will make the drive AGAIN (3-4Times) to Goodlettsville then to Ohio,=Woodard Cruise then Can AM in Canada
Same gears with the 396 it got 21 MPG. With the price of gas, Is my 3:07 getting yanked out ??...... He!! No.
Bob
For performance 3:31 or 3:42 dont get TOOOOOO DEEP. Remember " Like some others have said " First gear is like low range in a four wheel drive.

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post #11 of 25 (permalink) Old May 7th, 11, 3:57 PM Thread Starter
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Re: 4.10 gears and 700r4?

I did look at a gear speed calculator online yesterday before starting this thread and with the 4.10 gears and my tire size which is a 235 60 15 it looked good.First gear at 5500rpm was 35mph and 70 was 2500rpm.And my cam likes it above 2k when cruising so it looked good but don't think the calculator takes into account converter slippage and I have a none lock up converter.I had this current drive train and wheel tire combo in another car with a 10 bolt 3.73 rear and it was good.Do remember first gear winding out quick.Don't remember the highway rpms but it was a big improvement when the 700 was installed over the t350.Also 5500rpm in final is calculated at 155mph which does make it seem like the perfect gear.
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post #12 of 25 (permalink) Old May 7th, 11, 4:08 PM
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Doug Davis
 
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Re: 4.10 gears and 700r4?

I had a 4l60e with 3:73's on my last Camaro and could barely take off without burning the tires.

66 Chevelle
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12 Bolt Eaton Posi w/3:73's
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post #13 of 25 (permalink) Old May 7th, 11, 7:04 PM
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Re: 4.10 gears and 700r4?

Greetings from Arizona
I have 69 Camaro, 350 crate, 700r4, 3:31's. Been on road about 3 years...love it, mid 14's 1/4 mile.
Wife, BJ, has 67 Elcamino, 345 k car, was 283 w powerglide, w 10 bolt 2:75 gears (?) i put in built 327 w built turbo 350 last year,ran good but it wasn't rear cruiser like she wanted, it ate the cam, so we did engine again, and put in 700r4, w 12 bolt and 3:31's its truly a driver again, and will move out when needed, been on road 2 weeks or so,
My friend Mike has 66 Chevyll with 383, 700r4,4:11 gears, turns 12's, and still can run on freeway. Jay

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67 Elcamino
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post #14 of 25 (permalink) Old May 7th, 11, 8:01 PM
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drew
 
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Re: 4.10 gears and 700r4?

i have a 700 w/ 373's and 295 35 18's behind a 500 hp big block.for me it's a perfect combo!
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post #15 of 25 (permalink) Old May 7th, 11, 8:53 PM Thread Starter
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Re: 4.10 gears and 700r4?

Now I'm thinking a 3.90 would be the way to go so I can use a series 3 carrier and If I don't like them can go back to a lower gear later.
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