The 1947 - Present Chevrolet & GMC Truck Message Board Network







Register or Log In To remove these advertisements.

Go Back   The 1947 - Present Chevrolet & GMC Truck Message Board Network > 47 - Current classic GM Trucks > The 1967 - 1972 Chevrolet & GMC Pickups Message Board

Web 67-72chevytrucks.com


Reply
 
Thread Tools Display Modes
Old 06-14-2024, 03:54 PM   #1
1967GMCC20
Registered User
 
1967GMCC20's Avatar
 
Join Date: Apr 2022
Location: Medina, Ohio
Posts: 224
NP435G. Free Free Free in Ohio

Guys,

Nice NP435G I took out, will not use in future. Worked great, was behind 67 V6 GMC engine.

FREE FREE FREE

OR ITS GOING IN SCRAP PILE.
1967GMCC20 is offline   Reply With Quote
Old 06-14-2024, 07:03 PM   #2
'68OrangeSunshine
Senior Member
 
'68OrangeSunshine's Avatar
 
Join Date: Feb 2002
Location: Tucson, AZ USA
Posts: 7,428
Re: NP435G. Free Free Free in Ohio

Too bad I'm a long long long way from Ohio.
__________________


Every 25 years I like to rebuild that 292, whether it needs it or not.
'68OrangeSunshine is online now   Reply With Quote
Old 06-14-2024, 07:05 PM   #3
1967GMCC20
Registered User
 
1967GMCC20's Avatar
 
Join Date: Apr 2022
Location: Medina, Ohio
Posts: 224
Re: NP435G. Free Free Free in Ohio

Western US always looking. Over here they won't drive 3hrs.
If you can locate a hamber, or transport going that way.

Truck it came out of, from Banning California.
1967GMCC20 is offline   Reply With Quote
Old 06-14-2024, 07:59 PM   #4
'68OrangeSunshine
Senior Member
 
'68OrangeSunshine's Avatar
 
Join Date: Feb 2002
Location: Tucson, AZ USA
Posts: 7,428
Re: NP435G. Free Free Free in Ohio

I'm in Tucson Arizona.

Curious how the NP 435G differs from the SM 420 and 465? I run the SM 465 in my C/10 Stepside, behind a 292, and a 465/NP 205 behind a 350 in my '71 GMC Jimmy. Also I have an SM 465/Rockwell T221, and a 2wd SM 465, both cores.
__________________


Every 25 years I like to rebuild that 292, whether it needs it or not.

Last edited by '68OrangeSunshine; 06-14-2024 at 08:06 PM.
'68OrangeSunshine is online now   Reply With Quote
Old 06-14-2024, 08:32 PM   #5
1967GMCC20
Registered User
 
1967GMCC20's Avatar
 
Join Date: Apr 2022
Location: Medina, Ohio
Posts: 224
Re: NP435G. Free Free Free in Ohio

Only major difference is the NP435G is a true 4spd. Not the 3spd with granny gear.

NP435G has a 4 something first gear. See link below.

Few other minor differences.
1967GMCC20 is offline   Reply With Quote
Old 06-14-2024, 08:36 PM   #6
1967GMCC20
Registered User
 
1967GMCC20's Avatar
 
Join Date: Apr 2022
Location: Medina, Ohio
Posts: 224
Re: NP435G. Free Free Free in Ohio

NP435G

https://www.novak-adapt.com/knowledg.../manual/np435/
1967GMCC20 is offline   Reply With Quote
Old 06-14-2024, 08:39 PM   #7
1967GMCC20
Registered User
 
1967GMCC20's Avatar
 
Join Date: Apr 2022
Location: Medina, Ohio
Posts: 224
Re: NP435G. Free Free Free in Ohio

SM420

https://www.novak-adapt.com/knowledg.../manual/sm420/
1967GMCC20 is offline   Reply With Quote
Old 06-14-2024, 08:42 PM   #8
1967GMCC20
Registered User
 
1967GMCC20's Avatar
 
Join Date: Apr 2022
Location: Medina, Ohio
Posts: 224
Re: NP435G. Free Free Free in Ohio

Novak site is really good. You will see the NP435G is the only synchronized 1st gear. Also used least amount of years in GM.
1967GMCC20 is offline   Reply With Quote
Old 06-15-2024, 10:06 AM   #9
1967GMCC20
Registered User
 
1967GMCC20's Avatar
 
Join Date: Apr 2022
Location: Medina, Ohio
Posts: 224
Re: NP435G. Free Free Free in Ohio

Np435g 1967
Attached Images
 

Last edited by 1967GMCC20; 06-15-2024 at 11:29 AM. Reason: Spelling
1967GMCC20 is offline   Reply With Quote
Old 06-15-2024, 11:02 AM   #10
Wrenchbender Ret
Registered User
 
Join Date: Oct 2005
Location: Overland Park, Ks.
Posts: 5,228
Re: NP435G. Free Free Free in Ohio

The New Process 235 was used mostly in Dodge trucks. It is part of the Mopar company.
The early models back in the 60's had lousy synchronizers. The flimsy pins that held them together often broke & were very expensive to get new ones. The aluminum cover also caused trouble & were hard to work on. The SM 465 was one rugged transmission & the SM420 was good too.

George
Wrenchbender Ret is offline   Reply With Quote
Old 06-15-2024, 11:28 AM   #11
1967GMCC20
Registered User
 
1967GMCC20's Avatar
 
Join Date: Apr 2022
Location: Medina, Ohio
Posts: 224
Re: NP435G. Free Free Free in Ohio

Quote:
Originally Posted by Wrenchbender Ret View Post
The New Process 235 was used mostly in Dodge trucks. It is part of the Mopar company.
The early models back in the 60's had lousy synchronizers. The flimsy pins that held them together often broke & were very expensive to get new ones. The aluminum cover also caused trouble & were hard to work on. The SM 465 was one rugged transmission & the SM420 was good too.

George
Ford used them too. Looks like chevy, GMC only a few years.
With 170hp V6 could not break it. V6 went to a 67 4x4 restoration.
Removed for BBC AUTO conversion.

Novak site has good info and stats.
1967GMCC20 is offline   Reply With Quote
Old 06-15-2024, 12:18 PM   #12
kwmech
Senior Member
 
Join Date: Mar 2003
Location: Colfax-California
Posts: 8,595
Re: NP435G. Free Free Free in Ohio

Not sure about the G designation, but I've got one sitting here also. Came out of my 68 C20 that had a 396 in front of it. It does have the 4-1 first gear.. I've got a rebuild kit for it also. Have no idea what to do with it. Have the bell housing and the sheet metal with it also. I took it out to put in a 465 with a Ranger OD in front of it
kwmech is offline   Reply With Quote
Old 06-15-2024, 12:37 PM   #13
factorystock
Registered User
 
factorystock's Avatar
 
Join Date: Feb 2007
Location: west coast
Posts: 3,380
Re: NP435G. Free Free Free in Ohio

Was known as the close ratio 4 speed, new option for GMC in '66. 1 st gear is a semi granny, not used for regular stop and go. New option for Chevy in '67. It is a direct replacement for the SM 420. '48-'67. This 435 has the small input retainer pre 68. Rare early style tranny and desirable for those who know. I'm sure many '48-'66 owners would love to dump the noisy( even when new) SM 420's
factorystock is offline   Reply With Quote
Old 06-15-2024, 04:12 PM   #14
1967GMCC20
Registered User
 
1967GMCC20's Avatar
 
Join Date: Apr 2022
Location: Medina, Ohio
Posts: 224
Re: NP435G. Free Free Free in Ohio

Quote:
Originally Posted by factorystock View Post
Was known as the close ratio 4 speed, new option for GMC in '66. 1 st gear is a semi granny, not used for regular stop and go. New option for Chevy in '67. It is a direct replacement for the SM 420. '48-'67. This 435 has the small input retainer pre 68. Rare early style tranny and desirable for those who know. I'm sure many '48-'66 owners would love to dump the noisy( even when new) SM 420's
Knowledgeable. Yes a neat trans. GMC

I have V6 crossmember and mounts as well.
1967GMCC20 is offline   Reply With Quote
Old 06-15-2024, 07:11 PM   #15
'68OrangeSunshine
Senior Member
 
'68OrangeSunshine's Avatar
 
Join Date: Feb 2002
Location: Tucson, AZ USA
Posts: 7,428
Re: NP435G. Free Free Free in Ohio

The Bellhousing for the SM 465 is GM P/N: 3925505 w/5-1/8'' I.D.
For the SM 420 -- GM P/N: 3815891 w/ 4-9/16'' I.D.
__________________


Every 25 years I like to rebuild that 292, whether it needs it or not.
'68OrangeSunshine is online now   Reply With Quote
Old 06-15-2024, 07:24 PM   #16
1967GMCC20
Registered User
 
1967GMCC20's Avatar
 
Join Date: Apr 2022
Location: Medina, Ohio
Posts: 224
Re: NP435G. Free Free Free in Ohio

I can check it, pretty sure it is smaller than Chevy, when I was teetering on using with 402. With manual, needed special bell hsg. Then went with Automatic.
1967GMCC20 is offline   Reply With Quote
Old 06-15-2024, 09:55 PM   #17
Getter-Done
Senior Member
 
Getter-Done's Avatar
 
Join Date: Dec 2009
Location: TN.
Posts: 8,312
Re: NP435G. Free Free Free in Ohio

I am 7 hours away from you.

I can't stray that far from home.
__________________
________________________________________________________________________________________
____________________________________________
84 Chevy K-20
63 Impala (my high school car)


http://67-72chevytrucks.com/vboard/s...Crew Cab Build
Getter-Done is offline   Reply With Quote
Reply

Bookmarks

Tags
4spd, gmc 2500 v6 305l, np435g, transmission


Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump


All times are GMT -4. The time now is 08:12 PM.


Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2024, vBulletin Solutions Inc.
Copyright 1997-2022 67-72chevytrucks.com