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PostPosted: Sun May 28, 2006 10:15 am 
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Turbo Slant 6
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Joined: Tue May 02, 2006 12:16 am
Posts: 708
Location: Ooltewah, Tennessee
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Quote:
If your 65 Valiant has a "3 on the tree" manual trans, my guess is that it has a 3.23 rear end ratio.
Yup! Give that man 2 silver dollars and a Mars candy bar! (A lot of you are too young to know that one.)
Quote:
Get under the car and look for the ratio number stamped into the housing flange.
Glad I finished my rack a couple days ago - the old back-bone, don't ya know. (Probably the only private rack for many miles.)
Quote:
Those 3 speeds do have a low first gear ratio so you could most likely go with a 2.93 rear ratio without much problem. A 2.76 ratio would be tough on the 9 inch clutch.
Thanks
Quote:
Just as a ref, I could sell you a 2.93 SBP 7 1/4 rear end assembly and throw-in a couple of SBP 14 inch wheels for right around $100.00 plus shipping. This is the least expensive way to get the improved freeway milage you are after.
Drop me a PM if interested.
Thanks


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 Post subject:
PostPosted: Mon May 29, 2006 6:00 am 
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Turbo Slant 6
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Joined: Tue May 02, 2006 12:16 am
Posts: 708
Location: Ooltewah, Tennessee
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Quote:
There is no reliable reference for what gears your 40 year old car may have now...
Actually I was talking about hunting for a replacement rear on another car
Quote:
If you are going to switch trannies... go to a box with more gears ( 4 or 5 speed)
Will those actually give me a longer starting ratio? A place like car-part.com gives no clue one way or another if you don't know in advance which car has what - thus the need for a reference. For that matter, it would help to know what I am looking for if I'm wandering all over a yard.
Quote:
The easiest way to change final drive ratios is to get bigger tires.
With an SBP?

Thanks


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 Post subject:
PostPosted: Sun Jun 04, 2006 5:10 am 
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TBI Slant 6

Joined: Sun Aug 03, 2003 2:10 pm
Posts: 107
Car Model:
the problem with changing rearend gears to get better mileage and lower rpm is you lose bottom end. Thsi is where an od tranny comes in handy.

Has anyone considered a 5 speed from a 2wd dak as a way to get od on a slant?
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Last edited by 74.swinger on Fri Feb 18, 2011 4:38 pm, edited 2 times in total.

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 Post subject:
PostPosted: Sun Jun 04, 2006 6:03 am 
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Supercharged
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Joined: Mon Sep 26, 2005 5:09 pm
Posts: 2946
Location: Gilbert, Arizona
Car Model: 1962 Plymouth Valiant Signet
I had one in an 87 Dakota; it felt and shifted like a truck tranny, I wouldn't want it in a car. I don't know if the later ones are any better.

_________________
David Kight
'62 Valiant Signet, White
'98 Dodge Dakota
'06 Jeep Liberty

Growing older is unavoidable but growing up is strictly optional.


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 Post subject:
PostPosted: Sun Jun 04, 2006 6:13 am 
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TBI Slant 6

Joined: Sun Aug 03, 2003 2:10 pm
Posts: 107
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Quote:
I had one in an 87 Dakota; it felt and shifted like a truck tranny, I wouldn't want it in a car. I don't know if the later ones are any better.
Hmm i gad 3 or 4 they all shifted great till i broke them behind v8's. Maybe there were some different ones?
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