3.03 trans swap for a 4 speed

71 LONG BED · Post by **71 LONG BED** » Fri Sep 29, 2006 11:53 am

I hope this doesn't sound like to much of a dumb question.
I want to replace my 3.03 trans with a 4 speed. Is there one that is easier to swap in than the others?
I need to do something soon because second gear is getting pretty loud lately. I don't want to make it a huge wallet draining project, though. If there is nothing easy than I will just rebuild my 3.03. Thanks, John.

jzjames · Post by **jzjames** » Fri Sep 29, 2006 4:54 pm

3.03 would be your rearrend differential gearing?? Transmission would probably be easier to just swap in a good one.

splavin90 · Post by **splavin90** » Fri Sep 29, 2006 6:09 pm

he's talking about the ford 3.03 three speed transmission. it's a 3spd manual.

what engine do you have?

jzjames · Post by **jzjames** » Sat Sep 30, 2006 6:35 am

Had to be. First time Ive heard of the 3.03 Ford trannsmission.

71 LONG BED · Post by **71 LONG BED** » Sun Oct 01, 2006 8:23 pm

splavin90 wrote:what engine do you have?

I have a 302.

71 LONG BED · Post by **71 LONG BED** » Sun Oct 01, 2006 8:24 pm

jzjames wrote:Had to be. First time Ive heard of the 3.03 Ford trannsmission.

It is the Ford light duty 3 speed column shift.

72hiboy4x4 · Post by **72hiboy4x4** » Sun Oct 01, 2006 10:05 pm

I pulled one out of a '71 years ago, and installed a NP435 as a direct bolt-in. didn't change anything but the tranny.

EDIT: mine was converted to a floor shift previously. you may have to change the floor tunnel pan to get the access hole.

splavin90 · Post by **splavin90** » Mon Oct 02, 2006 1:31 am

yeah, ditch the 3.03 sell it to somebody.

get an NP435 and you'll have yourself a sweet truck

a friend of mine has np435's in his trucks, and man they're awesome in 1st gear. 4x4 low and in 1st gear and you can do anything. even with his emmisions equiped 300

71 LONG BED · Post by **71 LONG BED** » Mon Oct 02, 2006 7:04 am

NP435 it is. Now I know what to keep an eye open for. Thanks a lot guys.

FoMoCo · Post by **FoMoCo** » Thu Oct 12, 2006 1:31 pm

I swapped my 3.03 for what I beleive to be a TOD. It's a small aluminum housed 4spd over drive. The mounts, bolt up, and drive shaft are all direct swap. These came behind early 80's f-100's mostly with inline 6's.

Nick

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3.03 trans swap for a 4 speed

3.03 trans swap for a 4 speed

re: 3.03 trans swap for a 4 speed