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Advice on 25det box in r32 coupe

StressedPoet654
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StressedPoet654 Apprentice

StressedPoet654

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My 25det 32 coupe has a bit of a whiney 20det box in it right now and the car will be getting repainted in a couple months so I'm wondering what hassle it is to put in a 25det box while it wont ive getting used. My biggest concern is the speedo cable and what the options are for having everything work. I'm not sure what can be done to make a cable driven speedo work with a gearbox for an electric one. Current gearbox needs the main input shaft bearing replaced and thats all I think. Whether it's best to just do that I'm not sure.

Another issue I seem to have is a slight misfire. It's doesn't effect very much but im going to get the plugs out and have a look and clean them and check the gaps too. I'm not sure what the ideal gap should be for them either or whether it could be an issue with the coils. Any help and advice with my issues would help heaps.

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