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The perfect 4-speed #1444758
05/30/13 01:09 PM
05/30/13 01:09 PM
Joined: Jan 2003
Posts: 16,376
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dogdays Offline OP
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dogdays  Offline OP
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Joined: Jan 2003
Posts: 16,376
My 4-speed has something like a 1.7:1 Third gear. That's a big drop. I've been looking for a closer ratio transmission. It turns out there were several NP435 variants, the best-=looking one to me is the NP435GA, something like a 1.31:1 Third.

Has anyone seen one of these? They could be found behind those ugly GMC V6s of the '60s.

R.

Re: The perfect 4-speed [Re: dogdays] #1444759
05/30/13 02:07 PM
05/30/13 02:07 PM
Joined: Jan 2003
Posts: 15,976
Chilliwack B.C. Canada
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RUNCHARGER Offline
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Joined: Jan 2003
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Chilliwack B.C. Canada
Actually I like the 445 with it's car like ratios and synchro in 1st.

Sheldon

Re: The perfect 4-speed [Re: RUNCHARGER] #1444760
05/30/13 03:26 PM
05/30/13 03:26 PM
Joined: Jan 2003
Posts: 16,376
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dogdays Offline OP
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dogdays  Offline OP
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Joined: Jan 2003
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I've never seen one. I've seen several NP435s. Unfortunately they've all been Ford wide ratio 435s.

R.

Re: The perfect 4-speed [Re: dogdays] #1444761
05/30/13 07:59 PM
05/30/13 07:59 PM
Joined: Aug 2003
Posts: 12,291
Kent, Wa
340SHORTY Offline
Truck Nut
340SHORTY  Offline
Truck Nut

Joined: Aug 2003
Posts: 12,291
Kent, Wa
My understanding is that the 445 was used in the later 70s trucks..


I am truckless..
Re: The perfect 4-speed [Re: RUNCHARGER] #1444762
05/31/13 02:12 AM
05/31/13 02:12 AM
Joined: Aug 2004
Posts: 3,310
Walnut Creek, CA
blown340 Offline
master
blown340  Offline
master

Joined: Aug 2004
Posts: 3,310
Walnut Creek, CA
Quote:

Actually I like the 445 with it's car like ratios and synchro in 1st.

Sheldon




I swapped a NP445 in place of the NP435 in my 73 W200 and really like it. Its a way better driver on the street with the 445 and having 4 useable gears easily offsets losing the granny low. If I need a creeper gear I just put it in 4lo with the front hubs unlocked.

-Jon


70 challenger convertible. 340/5 speed. blown, intercooled, efi, blah blah blah 71 valiant scamp 318/A833OD/AC/PS 00 dakota RC 4.7L 5 spd autoX'r. SRT10/T56 swap in process 73 W200 Power wagon, PTO winch, 4 spd
Re: The perfect 4-speed [Re: dogdays] #1444763
05/31/13 06:29 AM
05/31/13 06:29 AM
Joined: Dec 2007
Posts: 1,357
central Florida
VL21 Offline
pro stock
VL21  Offline
pro stock

Joined: Dec 2007
Posts: 1,357
central Florida


I ordered a new '76 W100 with the 445. But I don't remember it having a synchro first gear.

I really liked the trans, but hated the full time 4wd, and didn't keep the truck very long, and sold it to a friend, who wore the truck out.



It takes gasoline to interest me.






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