The red turtleneck and brown paints option was available on the 1970 model year only.

Table of Contents

Publications
Wiring Diagrams
Transmission Guide
Painless Wiring
Carburetor Diagrams
Projects

These pages deal with convertibles made by FIAT SpA between 1966 and 1985. The cars were based on the FIAT 124 series and sold as the 124 Sport Spider (1966-1978), Spider 2000 (1979-1983), and Pininfarina Azzura/Spidereuropa (1984-1985). I have been working on FIAT 124 Spiders since 1992. I am a member of The FIAT Page (www.mirafiori.com), FIAT/Lancia Unlimited (www.flu.org), and FiatSpider.com (www.fiatspider.com). I am happy to help anyone acquire, restore, discuss, tune, or sell their car.

This website is the official home of a number of writings I have on the cars. Most of them appear on this page if you scroll down. The most popular is a book on engine modification and maintenance. I also run a project converting the hand-drawn FIAT wiring diagrams to CAD drawings, which appear to be helping people sort out their wiring issues. Almost everything I publish requires Adobe Acrobat Reader, available from http://www.adobe.com.

In case you are wondering about these wonderful cars, here is some technical background:

FIAT 124 Spiders have front mounted, water-cooled, in-line four cylinder engines in a cast iron block. The cylinder head is aluminum with two overhead camshafts controlling four valves each. A cogged timing belt is used; the FIAT 124 DOHC was the first motor produced using this reinforced rubber belt - a practice followed by many manufacturers today. All U.S. vehicles had Weber dual barrel downdraft carburetors. Horsepower ranged from a low of 81 (1979) to a high of 120 (1985 VX Spider). The same basic design was used in displacements of 1438cc, 1608cc, 1592cc, 1756cc, and 2000cc. The final version of the Spider was in 1985 and had a factory supercharger "Volumex" option on the 2000cc powerplant.

Spiders have a five speed synchromesh transmission coupled to the engine with a mechanical dry plate clutch. Some late model Spiders had an automatic transmission option. The vehicle has a two piece drive shaft connected to a live differential anchored by leading and trailing arms and a panhard rod. The front end has wishbone control arms. All four corners have hydraulic shocks and coil springs with disc brakes on all wheels.



FIAT 124 Spider Engine Maintenance and Modification
September 2007, 91 Pages

Information on tuning, maintaining, and modifying the Spider engine, for all model years 1966-1985. Includes carburetion, fuel injection, and ignition, with full schematics of all FIAT-Webers and of the BOSCH L-Jetronic fuel injection system.

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Microfiche Examples
FIAT Strada

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FIAT Spider 2000 1979-1980 "Select-a-Carb" Diagram
July 2008, 1 Page

There are seven readily available, bolt-on carburetors for the carbureted Spider 2000. Combined with two intake manifold, three cylinder head, and four exhaust choices the combination can be frustrating. This diagram is intended to show the various paths from carburetor through exhaust and the effect on performance.

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FIAT 124 Spider 1966-1973 Wiring Diagrams
February 2008, 26 Pages

CAD drawings of the 1969-1973 FIAT 124 Spider Spider Wiring Diagrams including a breakdown for each color category and component charts.

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FIAT 124 Spider 1978 Wiring Diagrams
February 2008, 10 Pages

CAD drawings of the 1978 Spider Wiring Diagrams and Relay Charts.

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FIAT Spider 2000 1979-1980 Type 124CS2 Wiring Diagrams
March 2008, 12 Pages

CAD drawings of the 1979-1980 Type 124CS2 FIAT Spider Wiring Diagrams and Relay Charts.

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FIAT Spider 2000 1980-1982 Type 124CS0 Wiring Diagrams
February 2008, 16 Pages

CAD drawings of the 1980-1982 FIAT Spider Wiring Diagrams and Relay Charts. Includes fuel injection diagrams. May also apply to 1983-1985 Pininfarina Azzura/Spidereuropa vehicles.

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Installing the Painless(R) #10102 Universal Street Rod Harness in early FIAT Spiders
by Bernew Seneway
August 1, 2008

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FIAT Transmission Service Manual (5 Speed)

Scanned copy of the five-speed transmission service manual.

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Weber Carburetor Diagrams

Select your carburetor from the list below.

Downdraft Progressive Water Choke Downdraft Non-Progressive Downdraft Progressive Manual or Electric Choke 850 Spider (DGS) and unknown (IMB) X1/9

32/34 ADF (Porting Diagram Only)

32 ADF
32 ADF 3 200

36 ADL (1 of 2)
36 ADL (2 of 2)

44 IDF 20 - 44 IDF 21

40 IDF (1 of 2) Sport Spider 1608cc

40 IDF (2 of 2) Sport Spider 1608cc

40 DCNF

32/36 DFEV

34 DMSA 1


34 DMS
30 DGS

24 IMB
32 DMTR
32 DMTRA
32 DMTRA 20
32 DMSA 2
32 DMSA 1
32 DATRA

1970 FIAT 124 Sport Spider

My personal project car. A 1970 124 Sport Spider that I acquired in June of 2007 and have been steadily restoring and documenting since. Details the engine and transmission rebuilds with lots of handy photographs.

Link to the site here.

Other Cars

Other FIATs and Alfa Romeos that I have owned through the last few years.

Link to the site here.

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