passenger 4 speed

paffuffnic · Post by **paffuffnic** » Wed Jul 11, 2012 5:51 pm

Has anybody put a passenger 4 speed in place of a granny 4speed (slant 6)??

Rodger · Post by **Rodger** » Thu Jul 12, 2012 2:02 pm

Sir

Please give an hint of what year and soon the replies will start.

There is an model of the same truck transmission that is
1 - 2 - 3 - 4 vs the one and two - three - four that you have.

Rodger & Gabby
FltSgt@msn.com
COS

paffuffnic · Post by **paffuffnic** » Thu Jul 12, 2012 2:35 pm

69 D100

Post by **wally426ci** » Fri Jul 13, 2012 4:59 am

Demulsion did it to his 68. I would like to do the same one day..... maybe.

Post by **Hobcobble** » Fri Jul 13, 2012 8:43 am

paffuffnic wrote:69 D100

If you're lucky..... you might come across an NP445 which has a
higher ratio for 1st gear and is fully synchro'd. The 23 spline
input shaft is what you're after. This should bolt right in too.
John

paffuffnic · Post by **paffuffnic** » Fri Jul 13, 2012 12:06 pm

Thank's John...........am on the lookout.

elacruze · Post by **elacruze** » Wed Jul 18, 2012 7:56 am

I'm installing an a833 in place of my NP435.

This is not a very simple swap. I have a Lakewood bellhousing to use for the trans, which is steel and allows me to fabricate engine mount bosses to weld on. I'll have to fab/tap holes for the slave cylinder as well. I'll also have to fab something between the shifter handle and automotive shifter mechanism.

hoon · Post by **hoon** » Tue Jul 31, 2012 9:17 pm

I swapped a np445 into my 85 w250. 1st wasn't synchro'd. Well if it was my 1-2 was shot. There are np435's that have a 4.56 first gear, I believe the tag says 435a, find one of those and its a bolt in.

Sweptline.ORG

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