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NP 435 gear ratios?
10-27-2005, 06:51 AM
Post: #1
 
Does anybody know the gear ratios from an NP 435 4-speed man. I know most or all have a 6.68:1 1st, but I need to know 2nd - 4th.




1995 Ram 1500<BR>360 auto<BR>stock for now<BR>custom electrical problems/no dome lamp, I use a mag lite for that
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10-27-2005, 07:00 AM
Post: #2
 
Quote:On 2005-10-27 06:51, mejonesrebel wrote:
Does anybody know the gear ratios from an NP 435 4-speed man. I know most or all have a 6.68:1 1st, but I need to know 2nd - 4th.

I got this info from a Ford site...

1st - 6.69
2nd - 3.34
3rd - 1.79
4th - 1.00

Baby




1999 Ram 1500 QC Black Sport 4x4
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10-27-2005, 08:57 AM
Post: #3
 
Quote:I got this info from a Ford site...

1st - 6.69
2nd - 3.34
3rd - 1.79
4th - 1.00


thanks for the info Thumbs Up!

do you have an auto in your dodge? if so, do you know the ratios for it?

Am thinking of it as a replacement for the autobox in my dodge to with tons and a dana 300




1995 Ram 1500<BR>360 auto<BR>stock for now<BR>custom electrical problems/no dome lamp, I use a mag lite for that
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10-27-2005, 09:02 AM
Post: #4
 
Depends on whether it's a Ford NP435 or Dodge NP435...but what Joe stated, above, is correct for the Ferds. Some Dodge NP435s don't have quite as deep a granny gear...it's like 4.56:1. Thumbs Up!

EDIT: and there is a very rare GM NP435, but it's a rare bird, as stated.




Zac

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10-27-2005, 09:03 AM
Post: #5
 
You wanna use the dodge 4 speed for this
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10-27-2005, 09:25 AM
Post: #6
 
Quote:On 2005-10-27 09:02, ZacD wrote:
Depends on whether it's a Ford NP435 or Dodge NP435...but what Joe stated, above, is correct for the Ferds. Some Dodge NP435s don't have quite as deep a granny gear...it's like 4.56:1. Thumbs Up!

EDIT: and there is a very rare GM NP435, but it's a rare bird, as stated.

Actually Zac...it is just the opposite...the Dodge NP435 is 6.69:1 IIRC (I have several at home)...the Dodge NP445 is in the "4:1" range...the NP435 is what is called a wide-ratio tranny...the NP445 is a close-ratio tranny.

The NP435 is what you want under a offroader...the NP445 is what you would want under a "race" or street -only truck. Both are big block tough too.

The 445 allows use of all four forward gears (fully synchronized) unlike the NP435 which only uses 2nd, 3rd, and 4th (synchronized and helical cut) and 1st alone (unsynchronized and straight cut).

I believe dodge was the only one who used the NP445 in some of their trucks...and it looks identical to a NP435, but as I said, it is much like a car tranny in operation.


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10-27-2005, 11:07 AM
Post: #7
 
does anyone know what the 1500's auto trans ratios are?

46re? is that it?




1995 Ram 1500<BR>360 auto<BR>stock for now<BR>custom electrical problems/no dome lamp, I use a mag lite for that
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10-27-2005, 11:09 AM
Post: #8
 
1995 dodge 5.9l auto 4wd




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10-27-2005, 11:18 AM
Post: #9
 
Quote:On 2005-10-27 11:07, mejonesrebel wrote:
does anyone know what the 1500's auto trans ratios are?

46re? is that it?

1st - 2.45
2nd - 1.45
3rd - 1.00
OD - 0.69

Baby




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1973 Bronco Halfcab
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10-27-2005, 11:24 AM
Post: #10
 
Quote:On 2005-10-27 11:18, Mr Joe wrote:


1st - 2.45
2nd - 1.45
3rd - 1.00
OD - 0.69

Baby

I am With Stupid

If you want to put a manual tranny in your truck, and plan on using it as a driver (daily or weekender) with any highway use, I think you're better off going with a conversion to a NV4500 5-speed. It has overdrive (albeit, not quite as much overdrive as your auto, at 0.75:1), but they came in late model 2500 & 3500 Dodges behind the V10 and Cummins and in front of the 241 t-case. I don't think it would take much $$$ to buy one, and then you'd have to get all the other "stuff"...bellhousing (may require an aftermarket piece), flywheel, clutch, clutch pedal a$$embly and hydraulics, tranny to t-case extension/adapter, etc. I'd think this would be a swap with more readily-available "conversion" parts, than would a NP435 swap, and you'd still have an overdriven gear.




Zac

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