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: sm 465

scmb
05-19-2002, 05:41 AM
For all you chevy tech guys, what year and models did the sm465 come in? thanks
-j
Cheepin
05-19-2002, 01:55 PM
I think they started in 72 or 73 and ran through the 80's.Could be wrong though.Blazin:rasta:
spoolnaround
05-20-2002, 07:48 AM
SM 420 was 48-68
SM 465 was 69-88
reddwarf
05-21-2002, 06:58 PM
I thought 67 was the last year for SM 420....
spoolnaround
05-21-2002, 09:00 PM
Originally posted by reddwarf
I thought 67 was the last year for SM 420....

You could be right. I know it is one or the other.
reddwarf
05-22-2002, 07:36 AM
Yeah, I know for sure it is one or the other...hmm, that didn't sound quite right, did it? :D
SethHaines
05-24-2002, 12:38 PM
Doesn't the Pirate 4x4 Tech Bible have all of that in it???
mj
05-25-2002, 11:01 AM
Seth did you look in the 'bible'? it says 420s 69 and prior
reddwarf
05-26-2002, 01:06 AM
Well, the "bible" is incorrect....
mj
05-27-2002, 09:08 PM
in several places.
so how can you trust any of it?
wolfthing 2000
02-15-2005, 11:23 AM
SM 420 was phased out in 67. So the 67 tucks still had them but not the 68s
Davethorik
02-15-2005, 01:09 PM
67 was the only year the 420 had a backup light switch.
Mark_K5
02-15-2005, 03:22 PM
Good info here, got my hydro clutch conversion from these guys...

http://www.novak-adapt.com/catalog/trans_to_transfer_adapters.htm
thundr undrgrond
02-15-2005, 05:25 PM
67 had both the 465 and the 420, both were married to the rockwell case. and the 465s ran until 91 or 92, they were used in the 3/4 and 1-tons of the new body style, as well as the blazers and 1 tons of the old body style
tarussell
02-15-2005, 06:28 PM
For all you chevy tech guys, what year and models did the sm465 come in? thanks
-j



1968 to 1991
Tom

It was offered in almost every GM truck C/K/V/R/P-Chassis series - including the 2 Ton stuff in the early years.
mj
02-15-2005, 10:18 PM
bring out your dead
jpjnky
02-19-2005, 12:40 AM
I just picked up an SM465 with an NP205 for a 100.00 and it is absolutely like brand new inside of both, not one scratch on any of the gears. There doesn't even appear to be any wear marks on the teeth even!
These things weigh a TON though!!! Actually 380lbs. for the pair (weighed it myself)but you gotta love'um for building a tranny that's nearly unbreakable, cheap, and plentiful! I can't wait to see how it holds up behind my big block!
KWTMECH
02-19-2005, 03:09 PM
Hmmmmmmmmm, my 68 GMC has a np435 what's up with that?
mj
02-19-2005, 06:29 PM
you got lucky
for a 3 year old thread this old girl has some life apparently
tarussell
02-20-2005, 10:22 AM
Hmmmmmmmmm, my 68 GMC has a np435 what's up with that?


Is your 68 GMC a 2WD ?
From what I have seen GM offered the 435's in 2WD's for several years . I don't know what red flagged this option but it was offered in the 1973 and up truckks too . AFAIK it was only in 2WD form.
Tom



MJ . I did not even notice the date on the original post - Ha ,ha ....
Davethorik
02-20-2005, 02:31 PM
The NP435 was an option, but I dont know why you would choose it over the 465. There were both close and wide ratio available, too.