74 Duster 4 banger Street/Strip Build

I always wanted to put a turbo 2.2/2.5 in a 65 Barracuda, and even graft on a hood bump.

Man, that would be cool too!

Kind of surprised you're not going with a Dakota bell housing and a 5 speed.

I’m a gear jammer all the way. Dang near everything I own is a manual. On this build though, I had a dream in mind:

I’d like to drive to the track with some hefty meats out back, unload my junk, and make some passes on a given Friday for test-n-tune.
I’m tired of changing clutches
Autos are more consistant
Autos generally cut better 60’s
Autos don’t do as much damage to other driveline components
A properly built 904 should be pretty much bullet proof (right?) to be able to handle 600whp / 600ft/lb?

A good friend of mine does have a brand spanking new, never used, 4 speed with overdrive directly from Chrysler. Hmmm….. LOL


That is gonna be bad ***! You ever consider the 2.0/2.4 head conversion?

Oh yeah, I’ve considered it. About the only things keeping me from doing that:

I have a TON of 8 valve inventory
I think it’ll look a lot cooler when popping the hood and seeing a slightly slant 4 vs. a slant 6. The 16 valve just looks too new school and exoctic.

I do agree though that the 16 valve would be the best bang for the buck…but I can make pretty good power with the ole 8 valver.

or simpler yet, the whole 2.4.... Its my understandingthat the 2.0/2.4 trans bolt pattern is the same as the old 2.2 but maybe the starter is on the other side.

You are partially correct. All of the holes are the same except for one on the left. The starter is on the right of a 2.2/2.5 and it’s on the left of a 2.0/2.4.

I also have a good stock pile of 2.2/2.5 common blocks and 2.5 cranks.

Attached is a picture of the beginning of the front end transformation:

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