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Sorry Anthony…. not sure how to send PM’s on this forum.

Removing an even number of load springs, which are located inside the pressure plate assembly of a Paxton ‘SN’ supercharger, is an accepted way of lengthening the life of the ball drive unit……True?

As far as modified Studebaker Avantis go, one of the nicest examples I’ve seen was a car modified by a high school auto body/ mechanics class from Rhode Island…. This round lite Stude Avanti had no body mods excepting for a small hood scoop, similar to the one the Granatellis installed on the Due Cento…This Avanti also had a real nice (non stock color) lacquer paint job. Under the hood the students had installed a 389 cubic inch 1965 Pontiac GTO engine, featuring the optional tri carb setup… and a four speed transmission….. All the worked look flawless… it looked like a ‘factory’ installation! Would anyone in the New York/New England area remember this very interesting modified Avanti? It was light green metallic in color)

Thanks!…..I love the look of the aerodynamic panels which the Granatellis installed on ‘Due Cento’…. especially the small hood scoop which looks, I think, quite ‘mean’!! If that Avanti is ever brought out of retirement, I sure hope it’s displayed with all those purposeful Bonneville body modifications!

Anyone know whether the rear fender skirts, which were installed on the Due Cento on some of its Bonneville runs, were fabricated out of fiberglass or metal?

The April ‘24 AOAI Calendar car is truly an outstanding example of a low mileage, unrestored Studebaker Avanti …. and also an ultra rare ‘Avanti Black’ model! As Mr. Rippa indicates, R4175 was displayed at the 1975 Autorama show in Boston… and I was there! I babysat that Avanti during the three day show whenever it’s then owner, my friend Paul Savard, wasn’t there. R4175 sat right beside my 1956 Studebaker Golden Hawk at that show… the car which I bought back in 2021, and am presently restoring.

Your welcome!

If anyone with a Studebaker Avanti is contemplating making this master cylinder change, let me know if you are unclear about the hydraulic brake line routing....Ed

Your welcome Nelson...Sorry about the diversion, but it's irritating when a certain member will only post when he feels the opportunity to correct me. (and yes, I do make mistakes)... He has been at this for quite some time. I have blocked him (again) and If he desires to pester someone else... best of luck to them! The split brake master cylinder, set up properly, is a positive safety improvement over the original Stude Avanti single piston master cylinder...and the mid seventies Mopar cylinder has worked very well, for many years, in my '63.

Don't let the door hit you in the butt !

Whoops!... time to put your big boy pants on son...sometimes we get a bit rowdy on this forum!!!

Ther should not be a residual valve in it, as by the early seventies disc brakes were standard on Road Runners. (disc/drum as on Stude Avantis)

Have a nice day Bob!

Okay thanks...I guess I had it backwards....Next time I see my friends Daytona I'll take a closer look.

Yes.... brake booster on factory Hemi Mopars is indeed smaller due to those oversize heads...Bob was confused about that.

When dealing with a vehicle restoration needing 'everything' as I'm presently doing on a 1956 Studebaker Golden Hawk, I find that doing one small project at a time, even something as trivial as refinishing bumper back bars, is actually quite rewarding...and eventually these small daily projects add up, making the eventual complete reassembly of the vehicle easier.

Bob......do I need to block you again? If you're happier on the Studebaker Forum, by all means go there!

The stock Studebaker Avanti brake booster, as long as it's in good condition, works just fine with the Chrysler master cylinder. The master cylinder is activated by a pushrod which protrudes from the front of the brake booster...the pushrod is adjustable...and if I remember correctly, it had to be adjusted slightly to give correct pushrod 'travel' with the Chrysler master.

If you order a dual brake master cylinder for a '74 Dodge Coronet you will be happy! I installed one on my '63 Stude Avanti approx 20 years ago, it's still working well, and brake performance could not be better (without updating the disc brakes themselves.) Anyone still using the factory single piston master cylinder, on anything other than a seldom driven show car, is putting themselves and their Avanti at unnecessary risk

Have a nice day Bob!

You are no doubt speaking of another Mopar brake booster..Nice try though Bobby!

Yes, most all those 'B' body Mopars used similar brake master cylinders

As a side note..a Mopar friend of Mine's eyes popped out when he saw the factory brake booster on my '63 Avanti....It's exactly the same as the one Chrysler used on his '69 Dodge Daytona. which he thought was an extremely rare unit!

I run a '74 Dodge Coronet dual master on my '63 Avanti..Same four bolt mount as Stude...probably close to what's on your Avanti now.

OK.. makes sense!