abarth750GTforum Group

Public·239 members

September 11, 2026

Our Abarth 750GT (556 362) - Fondation Renaud

Hi fellow Abarth's enthusiasts, here is some info on a car not yet registered on this forum, the 750GT Bialbero chassis 556 362. This car is now well preserved in our collection here at Fondation Renaud in Switzerland. As I am currently working on documenting our collection, here are some information on it : This 750GT exited the factory on the 27th of February 1959 with bodywork Z 255. We do not know who the first owner was (if someone can help us with that). Next, we know that the car was registered in Geneva in 1965 to a coachbuilder named Rolando (or Roland) Ghezzi. He entered the car in several races such as the 1966 Sierra-Montana-Crans with La Meute racing team (see photos). The next owner we know is Raoul Goetschmann in Neuchâtel, but we assume that there was another owner in between (once again, any information on that…

99 Views

FiatAbarth750(mike)

Sep 11

what a wonderful post. Lots of great information and images. I do not have any further information that what was stated above. Hopefully the forum members will have additional insights. Was it originally a bialbero??? or retrofitted? some came with a bialbero from factory and it is my understanding that there were very few delivered withe the bialbero

moet007

May 29, 2026

Hi everyone,

I’m a new member from Japan and recently became the owner of a double bubble earlier this year. I’ve been enjoying the car a lot so far.

I would love to learn more about its history, so if anyone recognizes the car or knows anything about its past, please give me a comment or contact me. From what I’ve been told, this car was imported from the United States to Japan around 2019.

Chassis number: 671489

93 Views

moet007

May 30

Thank you!

USASPEEDSTER

April 29, 2026

Zagato-bodied Abarth 750 Engine and transmission value

What is the approximate value of a 1958 750GT Double Bubble unrestored engine or transmission that is not running due to its sitting in storage? Are either hard to find?

203 Views

Michael B

May 16

I think I would look first for an original Mille miglia crankshaft and confirm the condition. The crankshaft will have stamping such as month and year for the date and an identification number.. I think one of these in usable condition is the most important first step

An engine block that has been machined to accommodate that crankshaft, and in other ways Would be next and it should be based on the first series, Fiat 600 motor that was originally 633 cc but enlarged to accommodate the Mille miglia crank shift and larger cylinder bores

I think for the double bubbles it was only the later cars where you could match a cylinder block identification number with an original Abarth ID plate on the car.

I think most of the double bubbles did not have an original Abarth ID plate but again there are some that evidently do that, I believe to be later ones.

Also, I would look for attributes such as Weber 32 IMPE Carburetor and larger valves and the cylinder head. Should like the block be of the earlier type based on the Fiat 633 series one 600 motors.

The ideal would be if you could match the motor number to a chassis by contacting John DeBoer

As above you want to ensure that the motor is based on the original Fiat 600 633 cc series one motor. The 600 D motors are quite different in very important ways, particularly the lubrication system. I think the two easiest ways to identify this is 1) the cylindrical extrusion from the cylinder block under the headers behind the fuel pump, which you will find on the early 600 block and also of course a regular crankshaft pulley as opposed to the centrifugal oil filter pulley on the 600 D motors.

If you can get an original 600 manual or copy of one which are found on eBay and Amazon, you’ll see the great majority of it is relevant to the series 1 600s but there’s a section at the end relevant to the 600 D motors

I hope this helps!