Upgrading a 1978 Ferrari 308 GTS: Ignition

May 30, 2013 Comments (0)

In 1995 I bought a 1978 308 GTS Euro spec Ferrari with a rebuilt engine and 13K miles on the long non-functioning odometer. It had had a serious accident on the right front corner. This is the fifteenth in a series of short articles about how we repaired and updated it.

Leaving Well Enough Alone… Almost


According to my 1978 Ferrari 308 Instruction Book (Owner’s Manual) 308s came with either a standard point set ignition system or ignition with magnetic impulses. Both by Magneti Marelli.

Fortunately for me, we have the single distributor electronic system and it has been flawless. As mentioned elsewhere, I’m sure, I bought the car in the dark in Chicago and drove it home to Boston. When I first brought the car to John Tirell at IFS I asked John for a quick assessment and he told me several important and distressing things. First the car had been hit on the right front and left rear and the engine had been rebuilt. The only thing that had been upgraded was the stereo system. So he went through it, changed all the fluids, put new tires on it, checked every important component and updated what he could. I thought the car ran well when I bought it but it felt bulletproof when he was through. We used factory parts where we had no choice but we used an aftermarket oil filter and John made up a set of wires using Taylor Spiro PRO 8MM Silicone and the Ferrari resistors. Except for a few resistor failures along the way, some of which I caused through careless engine washing, the system has performed perfectly… for well over 100K miles!

308 ignition

308 ignition

At the same time John was doing all this for my car, he was also upgrading his personal GT4 for track use. Among the many things he did to improve that car, he also installed a high performance Electromotive ignition system. That car was strong and is legendary in the Northeast among Ferrari owners who did track at the time. If you are looking for someone to hotrod your 308 for street or track, he’s your guy.


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