Originally Posted by pani_k

Depending on what plate it is on and what engine code I think it was some made on a 57 plate iirc.

Put it this way, Robbie's car (red DS modded ST) has been running 300+bhp for a long time now gone down the DS Turbo X route which is 330-350bhp and it hasn't gone boom and gets used on track and driven properly. As I said the number of cars that have actually suffered cracked liners are few and far between although since they will all converge on such forums, you will hear the stories of cracked liners being thrown around. IMO buy and enjoy.

Originally Posted by Jay,

no there not there a s40 or a c30r engine which are 25 mm shorter in hight an 65mm less in length , its a 9.1,1 comp racio rather than 8.5.1 on the volvo ! they might look the same but theres more differences but i cant be arsed to go into it but general idea is your pushing your luck above 350 bhp because the compression is to high but using darton liners witha lower comp forged piston kit then 500+bhp is easy but tbh mines 320 bhp 390lb an thats plenty on a road car being fwd