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MX5 NC MK3 2.0 sport PRHT Geo querys


F1MCT
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Hey Everybody,

 

I am a new user of the forum and hope I havent missed these questions elsewhere. I have had my MX5 for about a year now and have been looking at getting a set of coilovers and geo to sort its handleing and also improve its cosmetic look also looking at changing tyre size I have been taking some ques from the BRSCC technical specs  My questions are:-

 

1. I am planning on changing to 215/45/17 tyres but can only afford to do two at the moment to replace the worn ones is this possible without damaging anything until I can replace the others? (current 205/45/17)

2. Do you measure ride height with or without fuel (or should it remain static)?

3. How long after fitting the coil overs do I need to wait/far to drive before completing a geo?

 

Any help will be much appreciated

 

Many Thanks

 

Matt

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Hello Matt and welcome to wim

In answer to your questions

1: Yes you can just fit two tyres but the 215's must end up at the rear

2: Much argued online but there is no set level for the fuel. If anything then half a tank or if the car is for the track then expected fuel level for the hot laps.

3: Duration is only a concern for cold rolled lowering coils not coilovers. If after say 500 miles the height has settled then adjusting it back will reset the geometry.

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Hi,

 

Thanks for your quick responce much appreciated, I have ordered all the parts and hopefully will receive and fit them in a few weeks.  Once settled i'll get it booked in with WIM for the geo

 

once again thanks

 

Matt

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  • 4 weeks later...

First point is there's no correct settings because it depends on the driver and the requirements but as a base we would set them 8 clicks from soft at the front and 6 clicks from soft at the rear. Word of advice is any fine-tuning adjust the front or rear sequentially don't adjust both in one hit.

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