Offenhauser 2@ !bbl Holley swap info

Joe
I have that exact set-up on my '64 Dart. I installed it several years ago with a set of 'Dutra Duals' exhaust manifolds. The carbs are match Holley 1920's (even added a glass bowl for the rear carb).
You will have to re-jet the carbs (if I remember correctly, I dropped tree sizes).
A couple of modifications I made was to mount the control rods aluminum stock, using the holes in the manifold as mounting bosses. This provided clearance from the center intake/exhaust manifold mounting bolt. I did the same at the rear for the throttle rod (didn't like the angle when it was mounted to the intake).
Use the threaded hole in the intake to plumb your PCV.
I also used a shorter air filter on the front carb due to hood clearance issues.
Plumb your fuel lines away from any heat source as it will boil today's 'modern' fuel.
I also added cruise control which works quite well.
As far as cams, I used a Comp grind from a stock early seventies A body, but that all depends on what your plans are. Mine is strictly a cruiser.
The set up works well with the only aggravation being off idle accleration. It took a while and a lot of distributor tweaking to get it worked out.
If your going to the Mopar Nationals this year, I'll have the Dart there.

Omni

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