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I run 0.018 inch top ring gaps and 0.014 inch 2nd ring gaps on my diesel which uses 22:1 compression and will run 5 to 6 PSI of boost sustained for hours on end. I think 0.024 is way on the safe side.
The cylinder bore diameters of both are with in less than 1/4 inch of each other.
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1984 chevy suburban, custom made 6.5L diesel turbocharged with a Garrett T76 and Holset HE351VE, 22:1 compression 13psi of intercooled boost.
1989 firebird mostly stock. Aside from the 6-speed manual trans, corvette gen 5 front brakes, 1LE drive shaft, 4th Gen disc brake fbody rear end.
2011 leaf SL, white, portable 240v CHAdeMO, trailer hitch, new batt as of 2014.
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