Would you not want to swap out the M3 with a Caterham, thought you were looking into them?
Caterham will be a 3rd car is my thinking at the moment.
Took the M3 to get it setup for track days at Spires Tunings only for him to reject working on the car, as he found following issues:
- As suspected rear braking issue, turns out pad material left the backing plate on rear inside brake pad, amazed how no garage spotted this on numerous times of suspecting an issue with brakes, kind of annoying as its probably ruined the alcon rear disc, a new pair is £1500 if it can't be recovered.
- New set of pads of course, £200 though so nothing extreme.
- Then he removed rear springs, one was over 1/2" shorter than other and he said both had lost their spring rate, as such he recommended replacing them all including helper springs, so ordered a full set from KW, 2x front springs, 2x front helps, 2x rear springs, was expecting that to be about £800 but it was a very fair £385.
- Another set of wheels, something like team dynamics just for track day use, with a set of semi-R's fitted, don't look great but don't need to they will just be thrown on for dry track days and keep the nice wheels and MPSS for wet and road use.
So need to sort the above, pads, springs ordered, be here next week, then back to Spires in May to get the car properly setup and then some track days. Still need to do head gasket and vanos as preventitive maintenance though the guy at Spires actually advised against it and said if the cars compression is good (it is) and it makes good power (it does) to simply leave it well alone. He said yes head gasket is a known issue but as its a track car which gets regular oil changes is probably why it does not need one as regular oil changes help maintain gasket life.
As such probably get the above issues sorted, track it on some evening sessions and if all goes well, then great.
Quite funny as the brakes were mega even with the issue and the car handled superb even with springs well past their usage date, haha, so quite looking forward to getting it back.
Got some test drives in Caterhams booked in May, plus some more Caterham events booked up, I then plan to rent one this Summer and if I really enjoy it shall then plan to purchase one for next Summer and just throw it in my garage, I know what spec I want, now I just need to sort out which engine I want and its gotta be in orange or silly green ideally.