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Old 10-30-2002, 04:14 AM
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Post How will my '32 go with a 3.0:1 rear?

I'm finishing off my steel 32 sedan project and I'll be running a 350 Goodwrench + 350 box and 9" rear with 3.0:1 gearing thru 30 1/2" tyres - I'm wondering if I chose the wrong rear end. This should be great for cruising but how about acceleration? Anyone running this set up - does it feel lively? What type of 1/4 mile times do you get?
Many thanks from rainy England, Limey Simon <img src="confused.gif" border="0">

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Old 10-30-2002, 04:26 AM
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I run a 350/350 with a 3:08 rear end . It is just fine for the daily driver. It still smokes the fires. Yet i can cruise on the freeway.
So are you after the daily driver, or blow the doors off hot rod? Let us know what you do will ya? Slider in Wa.
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Old 10-30-2002, 04:40 AM
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Slider
With the price of gas in England at 5 bucks a gallon I need a sensible ratio! More a weekender than a daily driver but its a 4 seater so don't want to scare the kids! Glad to hear it still smokes em!
Limey Simon
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Old 10-30-2002, 09:36 AM
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i went from a 4.56 to a 3.14 and lost a LOT of pickup, the funny thing is that mileage didn't improve a lot because aerodynamics play more of a part than rear drive ratio (at least in a Model A).
I think a nice 4.10 or 3.73 would be good if you want to blow the doors off a 5.slow mustang (which run those gears as well)
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Old 10-30-2002, 04:17 PM
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Hello Limey. I'm running a little 327 Vette engine in a 36 Ford 5 window with a 700R4 and a 308 rear and it smokes along just fine where ever you want it. My rear tires are 28" diameter, but I agree with Slider. I think you will be very well served with the price of petrol and driving conditions on the Big Island.
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Old 10-30-2002, 04:35 PM
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Look at the photo of my Black 32 roadster beside the red 5W. I use a 3.50 in it. I have had a 3.00 in it. The 3.00 did well. My engine is a 350 crate engine. The 3.5 is some quicker but a the cost of 2 -3 mpg.
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Old 11-04-2002, 01:03 AM
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Thanls for taking the time guys. Sounds like I may be a little disappointed, but probably a good compromise for a family rod? Any other experiences? Limey
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Old 11-04-2002, 02:00 AM
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I'll can run your information through a computer program and produce a performance report and post the results if you like.

Post the following information and I'll have the data calculated.

Tell me about the:

Transmission:
3.08 Rear Gear Posi or Single:
Stall Speed:
Tire type and exact size:
Weight of car with driver:
Horsepower and torque numbers if known:
Specs of engine:
Redline of engine:

I will run the numbers this afternoon and post the information.

[ November 04, 2002: Message edited by: 2quik ]</p>
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Old 11-04-2002, 02:34 AM
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Fine lookin' Deuce!

I am running a 350/350/12 bolt with a 3.31:1 gear in my fenderless Model A Tudor. It cranks about 2500 rpm at highway cruising speed (65 mph 'ish). Keep in mind that rear tire diameter makes a big big difference.

There are quite a few variables to factor in when determining rear gear ratio. Check out website 4lo.com. They have a gear/tire size calculator that will tell you exactly what you will end up with.

Good luck!
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Old 11-05-2002, 05:30 AM
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Good to see! lets have more cars like this on British roads.
You'll never catch me smokin the skins i think its totally crazy, what kick can you possibly get from that
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Old 11-06-2002, 04:41 PM
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Hey Limey Simon,

Your report is ready but you have the option to accept private messages turned off. See www.pchotrod.com to view your report.
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Old 11-07-2002, 03:28 AM
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I appreciate all your replies guys.
Many thanks 2quik - you have mail
LimeySimon
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