Quote:
Originally Posted by Spooler
A 3 or 4 Axis CNC is needed for the machine work to keep the tight tolerances.
As long as it has been machined properly you shouldn't have any longevity issues.
CAT, Cummins, etc. have been using this for years in diesel applications.
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I had Darton wet sleeves installed to a block for my car a few years ago. It was done at a machine shop that makes some of the billet VR38 blocks, they were very well equipped for it. Unfortunately I was too busy to build my car and ended up selling that block to someone on here, never had a chance to try it out. Im not sure of anyone trying them in a built VHR yet? The guy who purchased mine, his car sat a couple years but they did just finally assemble his engine, so we will see how his turns out soon.