Dear Mazdaspeed community,
Have not posted a lot but have been around for a while. It was back in 2013 when I got my Mazdaspeed 6 (or 6 MPS as it is called here in Europe). Started modding it immediately with downpipe, exhaust, TMIC, intake, Cobb Accessport etc. I have always been self tuned...
I am about to install Darton dry sleeves for my MZR DISI block. The exact pn is 300-051. I contacted Darton and requested installation instructions (attached). The instructions call for 0.000 - +0.001 clearance between the block ID and sleeve OD, which is in contrary to all the other sources I...