1 16 vs 5 64 piston rings You ll typically find top and 2nd rings in 5 64 inch 1 16 inch or 043 inch sizes with oil rings typically in the 3 16 inch size Modern engines moved to metric ring measurements of 1 5mm to 1 0mm for top and second
See All 23 Photos Piston ring groove side clearances should be between 0 001 and 0 004 inch on average Check with your piston manufacturer for recommended To answer the original question though 5 64 ring package will work just fine in an engine that will be used 95 on the street However OP might consider looking at other
1 16 vs 5 64 piston rings
1 16 vs 5 64 piston rings
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Piston Ring Set 4 150 5 64 5 64 3 16 Walmart Walmart
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More clearance with forged means more slop more oil burn upon warm up and more wear So if I go with KB hyper pistons with 1 16 1 16 3 16 rings is mileage still It s not unusual for high end builds to use 1 16 rings for a street engine but there s a lot to consider if you go that route and cylinder finish and roundness are key plan on
While 1 16 inch rings might not sound that different from 1 0mm rings If you convert them both to decimals 062 vs 039 the almost 40 percent difference in size becomes far more apparent It s not like this piston ring The Test The consensus is that a thinner piston ring is worth horsepower due to decreased friction but how much horsepower remained to be determined We polled friends in the industry and found
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But similar bore size engine using 5 64 inch top and second rings and standard tension 3 16 inch oil rings demand a hefty hit with a hammer handle to drive the piston into the bore The difference is the amount of friction Your favorite ring manufacturer s traditional part numbers for classic 5 64 or 1 16 performance moly rings probably haven t changed but the ring itself most likely will be made
I might go with 5 64 if I could find them possibly slightly more durable but mainly cheaper There is a reason for that those pistons all have the 1 16 ring packs though You re I know Total Seal makes a spacer to be able to use thinner rings in pistons with grooves meant for thicker rings 1 2mm or 8mm rings in 5 64 groove or 8mm rings in 1 16
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1 16 vs 5 64 piston rings - The Test The consensus is that a thinner piston ring is worth horsepower due to decreased friction but how much horsepower remained to be determined We polled friends in the industry and found