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01-05-2009, 05:04 PM
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#1
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I, Vettezuki
Join Date: Feb 2006
Posts: 14,754
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RX-Snake: Transmission
joedls, or ayone else:
What are the ratios in the Top Loader:
1st ?
2nd ?
3rd ?
4th 1:1
I have a great spreadsheet for plugging this stuff into so you know what your mph/rpm curves are. I would really like to carefully consider the whole system for optimization, from engine through trans to axle and tire size
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01-05-2009, 05:12 PM
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#2
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Senior Member
Join Date: Jul 2008
Posts: 739
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Quote:
Originally Posted by Vettezuki
joedls, or ayone else:
What are the ratios in the Top Loader:
1st ?
2nd ?
3rd ?
4th 1:1
I have a great spreadsheet for plugging this stuff into so you know what your mph/rpm curves are. I would really like to carefully consider the whole system for optimization, from engine through trans to axle and tire size
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Depends on whether it's a close ratio or wide ratio. I'm not sure which one yours is.
Wide ratio: 2.78 1.93 1.36 1 2.78 reverse
Close ratio: 2.32 1.69 1.29 1 2.32 reverse
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HP numbers are good and all, but they are like asking someone how much they can bench. What difference does it make if I can still kick your ass?
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01-05-2009, 05:17 PM
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#3
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Senior Member
Join Date: Jul 2008
Posts: 739
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Quote:
Originally Posted by Vettezuki
joedls, or ayone else:
What are the ratios in the Top Loader:
1st ?
2nd ?
3rd ?
4th 1:1
I have a great spreadsheet for plugging this stuff into so you know what your mph/rpm curves are. I would really like to carefully consider the whole system for optimization, from engine through trans to axle and tire size
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Here is a link to help you id the tranny to determine if it is a close or wide ratio: http://www.davidkeetoploaders.com/idchart1.htm
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HP numbers are good and all, but they are like asking someone how much they can bench. What difference does it make if I can still kick your ass?
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01-08-2009, 12:44 AM
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#4
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I, Vettezuki
Join Date: Feb 2006
Posts: 14,754
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Quote:
Originally Posted by joedls
Depends on whether it's a close ratio or wide ratio. I'm not sure which one yours is.
Wide ratio: 2.78 1.93 1.36 1 2.78 reverse
Close ratio: 2.32 1.69 1.29 1 2.32 reverse
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Here's what the trans mission is identified as:
HEH-P 01526
1964 Mustang 289 wide ratio 25-spline
8/20/64 to 12/30/64
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01-08-2009, 12:01 PM
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#5
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Neanderthal
Join Date: Mar 2008
Posts: 5,320
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Quote:
Originally Posted by Vettezuki
Here's what the trans mission is identified as:
HEH-P 01526
1964 Mustang 289 wide ratio 25-spline
8/20/64 to 12/30/64
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I've always prefered Wide rations over Close for the street. Now, on a Drag car the % of drop between gears should be ABOUT 19% per gear ( if my brain is working right ). Now that is what we used in the Seventies.
What is the current diff gear ration on the RX?
The Wide Ratio will be fine in most cases. We can make it work. We can not do better --as far as strenght for a 4 speed-- than that Top Loader. 
Some poor anal restoration guy is looking for that trans for his 64 Mustang. 
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64 Vette Roadster 400 ci
1990 F150 351 ci SuperCharged
48 Harley Pan Head 76 ci
2016 Nissan Altma
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01-08-2009, 12:35 PM
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#6
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I, Vettezuki
Join Date: Feb 2006
Posts: 14,754
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Quote:
Originally Posted by BRUTAL64
I've always prefered Wide rations over Close for the street. Now, on a Drag car the % of drop between gears should be ABOUT 19% per gear ( if my brain is working right ). Now that is what we used in the Seventies.
What is the current diff gear ration on the RX?
The Wide Ratio will be fine in most cases. We can make it work. We can not do better --as far as strenght for a 4 speed-- than that Top Loader.
Some poor anal restoration guy is looking for that trans for his 64 Mustang. |
Yeah, and he might be willing to pay a stupid price for it. Though I don't know about the 289 model. It's the 427s that go for big bucks.
According to JOe the ratios are:
Wide ratio: 2.78 1.93 1.36 1 2.78 reverse
See the engine thread. I posted a graph of mph:rpm assuming this gear box, 255/60x15 tires and a 3.73 rear end, which I *think* is what's in there now, but I need to check.
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01-08-2009, 01:20 PM
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#7
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Senior Member
Join Date: Jul 2008
Posts: 739
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Quote:
Originally Posted by Vettezuki
Yeah, and he might be willing to pay a stupid price for it. Though I don't know about the 289 model. It's the 427s that go for big bucks.
According to JOe the ratios are:
Wide ratio: 2.78 1.93 1.36 1 2.78 reverse
See the engine thread. I posted a graph of mph:rpm assuming this gear box, 255/60x15 tires and a 3.73 rear end, which I *think* is what's in there now, but I need to check.
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I was offered $800 for that tranny from a guy that just wanted a toploader. It would be worth more to a guy that is looking for a correct date coded tranny.
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HP numbers are good and all, but they are like asking someone how much they can bench. What difference does it make if I can still kick your ass?
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01-08-2009, 02:02 PM
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#8
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Neanderthal
Join Date: Mar 2008
Posts: 5,320
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Quote:
Originally Posted by joedls
I was offered $800 for that tranny from a guy that just wanted a toploader. It would be worth more to a guy that is looking for a correct date coded tranny.
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$800.00??????? Damn, you must really LOVE Ben and the boys. 
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64 Vette Roadster 400 ci
1990 F150 351 ci SuperCharged
48 Harley Pan Head 76 ci
2016 Nissan Altma
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01-08-2009, 04:16 PM
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#9
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Senior Member
Join Date: Jul 2008
Posts: 739
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Quote:
Originally Posted by BRUTAL64
$800.00??????? Damn, you must really LOVE Ben and the boys. |
Nah, they're too damn ugly for me. I just wanna drive the car and I couldn't let them put a SBC in that car. 
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HP numbers are good and all, but they are like asking someone how much they can bench. What difference does it make if I can still kick your ass?
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01-08-2009, 04:51 PM
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#10
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Neanderthal
Join Date: Mar 2008
Posts: 5,320
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Quote:
Originally Posted by joedls
Nah, they're too damn ugly for me. I just wanna drive the car and I couldn't let them put a SBC in that car. |
Works for me. You going to be there Sat at Ricks????
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64 Vette Roadster 400 ci
1990 F150 351 ci SuperCharged
48 Harley Pan Head 76 ci
2016 Nissan Altma
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