caddy 390 to tri power

Hello all, I have a 1960 390 cad mill and purchsaed a tri power manifold and carbs. originally a 4 barrel. I have the throttle linkage for new set up.What is involved in the change over? I am new to this. Is there a different distributer or vac hose set up? fuel press change? Any help would be great. Its all originall caddy stuff.George.

 

Where are all the caddy experts?

 

shouldn't be to involved fuel psi should stay the same

 

Sounds like a neat swap. I'm interested too. Anyone have any experience with this?

 

same distributor, and there isnt additional vacuum lines.

as far as dialing in the carbs-- i dont have exact procedures or specific tips. Im a Caddy guy, but have never had the opportunity to mess with the tri power.

Enjoy. I love the setup.

-scott noteboom

 

I've got somewhere repair manual for '58 Cad, it's for 365 engine, but doesn't matter; that set-up has same Rochester carbs. I'll try to search it when I get back home in the evening.

If I remember right, Cadillac's distributor must be turned when that engine gets tri-power... was that 5 degrees, but which way? Well, don't remember that either, but I'll check that also from another book.

For rebuilding those Rochesters, check posts which I've written here; there is one thread with (lousy) pics. I also wrote there some numbers for Cadillac float height/drop.

 

George and Carb-Otto,

All three Carbs on the 58 were basically the same size ! The 59-60 outer Carbs were larger than the center Carb !

Scott,

The Tripower Distributors were different than the four barrel and two four barrel set ups ! http://www.jalopyjournal.com/forum/showthread.php?t=230695

I owned Cadillacs with factory 3X2s and 2X4s for many years !

I still have some factory and aftermarket 3X2s and 2X4s , and Tripower Distributors put away for my cars !

Good Luck,
Sonny