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172 Track Car Engine rebuild tips



  Clio Sport 172
Hello Everyone ,
This is my first post, after alot of work on the track car, fitting a replacement engine that had cat cams and a few other bits on, I got it tuned by Chris at EFI and manged to get 200bhp. Absolutely spot on great drive on track and after a few other jobs it was brilliant. Afternoon session not going mad then bang, the fatal throwing a leg out through the block. Right on the oil filter housing. Nothing to do with the remap of course as Chris is a legend of the tuning world just unlucky it went on me outon track. A few of my mates race Clios and its a common thing apparently.
I'm going to have to rebuild the engine ( my mechanic mate will be mainly) , I have a bottom end, I've been advised 197 pistons and rods , polish the crank shaft, king racing bearings etc, not looking at any more power than it has, heard that the bigger oil pump helps also and possibly a baffled sump.
Any other suggestions to hopefully prevent it happening again.
 

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