View Single Post
  #57  
Old January 12th, 2016, 07:40 AM
Ed Snyder's Avatar
Ed Snyder Ed Snyder is offline
-= Dues Paid =-
 
Join Date: Jan 2013
Location: Medford, Oregon
Truck: 1962, 1967
Posts: 871
Rep Power: 343
Ed Snyder has a spectacular aura aboutEd Snyder has a spectacular aura aboutEd Snyder has a spectacular aura aboutEd Snyder has a spectacular aura aboutEd Snyder has a spectacular aura aboutEd Snyder has a spectacular aura about
Default Re: SO who came up with the GMC V6's???

Quote:
Originally Posted by TJ's GMC View Post
I do have a question though....anyone have an NP435 tranny behind their v6? Looking at the closer split between gears I may lean towards a swap. Looked into a gear vendors OD and said "**** No!!!" when I saw the price. lol
My 2WD '67 has the NP435. Per the '67 sales brochure, it was the "heavy duty" optional 4 speed compared to the SM420. Starting from a stop in normal driving, you still start in synchro second, just like in the SM420. Non-synchro first is definitely a taller gear in the NP435, though, compared to the SM420. The shift pattern is different too -- reverse is to the right and down. The "bar" in the H between second and third is pretty narrow too. If you're used to shifting from second to third in an SM420, you'll overshoot third every time in the NP435 and go too far to the right and end up above reverse.
__________________
Ed Snyder
Medford, Oregon
1962 1000 Pickup 401M & Muncie 318 with overdrive
1962 K1000 Suburban 401M & SM420
1967 CM1500 pickup 351E & NP435
Reply With Quote