Scuderia Topolino

Scuderia_TopolinoPaul’s Scuderia Topolino website is down now, though I know exactly when it occurred.  This means that many of my links are down, but more importantly a lot of great information is now lost.  However, thanks to the Internet Archive Wayback Machine we are able to get some of his knowledge back.  What follows below is Paul’s eight-section “Technical Advice”.  Unfortunately, it looks like the forum section of his website is gone for good, or at least I’m not able to find a backup.

All credit goes to Paul.

(Still a work in process)

Technical Advice

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Fiat & Abarth Documents and The Stinger

Updated: May 17, 2018

Below is a list of the brochures, pamphlets, etc. that I’ve come across over the years.  Some are mine, some have been shared with me to put on this site.  Separated into two sections:  Documents and The Stinger.  Most are available as word-searchable PDFs for download.  Look for the links after the titles.  Enjoy.



A letter from Carlo Abarth in 1957.  Download PDF

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Fiat Manuals & Instruction Books

Updated: Mar 5, 2017

Below is a list of the manuals, instructions books, etc. that I’ve collected over the years.  I’ve made some available as word-searchable PDFs for download. The file sizes can be fairly large, because I’ve scanned them at a pretty high resolutions.  Look for the links after the titles.  Enjoy.



1964 Fiat 600D Instruction Book  Download PDF This is one of the four necessary Fiat 600 books if you’re working on it yourself.  Get this one, a shop manual, the spare parts catalog, and the bodywork catalog (available for download below).

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Fiat & Abarth Books and Literature

Updated: Feb 27, 2017

Below is a list of the Fiat and Abarth related books and literature that I’ve collected over the years.  It’s not in any particular order. I’ve given a little info on each and include a table of contents, if applicable.  At the end of the list, there are a several available for download.  Enjoy!




Carlo Abarth by Gianfranco Fagiuoli and Guido Gerosa.  197 pages with sections of b/w and color photos.  Text in Italian.  Published in 1967.  In issue #80 of The Stinger (download here), it said that this book would be translated in future issues.  I’m not sure if this took place.

Table of Contents:
7 – Dal monopattino all motocicletta
22 – Un sidecar contro l’Orient Express
34 – Porsche, Cisitalia, Abarth
55 – Pioggia di record
79 – Il leggendario Scorpione
111 – L’uomo Abarth
123 – Tabelle die record
133 – Tabelle delle vittorie

Mine is autographed by Carlo Abarth.

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Part 6: 903cc Engine and Cooling

Updated:  Feb 9, 2017

The 903 is still in process, but I wanted to share with you all what I am up to.

Fiat 903cc Timing Gears
In order to install the 903cc engine from a Fiat 850 into a Fiat 600 you have to reverse the rotation of the bottom end. The top ends rotate the same direction. Chris Obert wrote a pretty good guide. The easiest way, I think, is to replace the timing chain with timing gears. The gears can be purchased from Exotic+Raceparts here or from Fiat Plus here.  You will also need a spacer because the timing gears are thinner than the chain sprockets, which you can have a machine shop make or purchase here.  Also, you’ll need to replace the front and rear main seals with non-directional or clockwise seals.
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Part 5: 767cc Engine and Transaxle

Updated: Feb 13, 2017

Previously on My Fiat 600D
Part 1: The Car – Before I Bought It
Part 2: The First Six Months
Part 3: Restoring the Undercarriage
Part 4: Brakes – Discs to Drums

The 767cc engine and transaxle are ready to go back into the car.  I’ve left them mostly stock; saving most of the modifications for the 903cc engine going in later. However, I will share with you what I’ve done to get them ready to go.

First, you’ll remember in Part 2 that I had done some work already to the 767.  I added the oil pressure sender and gauge from a Fiat 850.  I had the cylinder head cleaned and decked, replaced the Solex carb with a Weber 28 ICP 1 that I rebuilt, and replaced the 600’s distributor with one from a Fiat 850. Then, at the end of part 2, when I removed them, they were both covered in a 1/4″ or more of hardened oil and road grime.

Fiat 600D engine transaxle

Fiat 600D engine transaxle

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Part 4: Brakes – Drums to Discs and Everything Related

Updated: Feb 9, 2017

Previously on My Fiat 600D
Part 1: The Car – Before I Bought It
Part 2: The First Six Months
Part 3: Restoring the Undercarriage

In this episode, I’ll be converting the Fiat 600D’s front drum brakes to Fiat 850 front disc brakes.

While I was driving my little city car around in the city, doing no more than around 35 mph, I realized that the stock, 7-1/4″ drum brakes were not up to my standards.  Even with everything stripped out of my light car, making it even lighter, the 4-wheel drums were not quick to slow it down.  In fact, the poor braking performance was noted in the Road & Track road test article from Nov, 1961, which stated, “Unhappily, the brakes were not up the standard set by the rest of the car; the required pedal pressure is much higher than one would think necessary for so light a car and when the brakes are applied hard, they set up a shuddering that is very disconcerting.  The car will definitely stop, but the weird pulsing that feeds back through the brake pedal is something to think about while you wait for things to come to a halt.”  I couldn’t agree more.
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