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Hi Guys,

So I have a C20let that ran too rich and messed up my engine quiet bad. The block was rebored to 20thou, crank to 10thou but I cannot find an affordable set of 20thou C20LET pistons. However, I can get a set of standard C20let Mahle pistons but not a C20let block.

So what block is better? A friend suggested using a C20ne block and drilling the blank for the oil gallery for the turbo oil return. I haven't located a C20ne block as yet but I have located a 20seh.

Which of the two would be a stronger and better replacement? C20NE or 20SEH? Looking at boosting the car at around 0.8 -1 bar boost with 550cc injections.
 
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