can anyone help, just spent a fortune getting porsche adaptors for my rallye, to put a set of borbets on. the rears are a massive 9j, but because of the 2inch adaptors now stick out of the arch and there is zero clearance with the car resting on the tyres, the tyres are 255/50/16, could i stretch some less wide tyres to reduce the profile, i’ve seen this done and would it work, i’ll worry about the arches later, the clearance is the first problem!!!
Photos please as it is difficult to gauge the extent of the problem, but I really dont think you will be able to safely “stretch’ a narrow enough tyre to get clearance or clear the arches
do you know the offset of the wheels? even without the 2 inch wide adapter just having 9 inch wheels and 255 tyres would give you a clearance problem and the more the car is lowered the worse it gets, what you must realise is that the Syncro rear suspension is totally and completely different to the 2wd version which has just a simple beam axle that goes up and down with no camber or toe in changes as the suspension is lowered or compressed, on the other hand the Syncro rear can alter the camber so much by an inch or more on the outer corner of the tyre, as you can see here before I fitted the spacer ring the tyre was hitting the spring seat on full deflection, and to do that it had to move across over an inch from the static position.
also please read this,