Post #18
I used to put 4 star in my old C reg 309, then I tried super unleaded and it ran a lot better, you could run either but had to get it tuned, the car had a carburettor and the timing could be altered by moving the distributor,
You could decat your car and "maybe" run 4 star, not sure what long term effect the 4 star would have on your valves, but you would get more benefit using 99 octane super unleaded.
I like thinking outside the box, but maybe this is too far out of the box
, remember the fuel shortages years ago when the refinery's where blockaded? plenty of people put 4 star in their unleaded cars then and resulted in loads of fooked cars.
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Team Supercharged Gti-6™