82:@0.043627:0.962701:0.060094:0.962701:0.060094:0.950019:0.043627:0.950019:0.008290:0.008176
Yamaha:@0.384804:0.065182:0.530667:0.065182:0.530667:0.031364:0.384804:0.031364:0.023525:0.021329:0.034388:0.021329:0.023486:0.021804
GLM PISTONS ARE 100% CAST:@0.269118:0.528808:0.652621:0.528808:0.652621:0.506263:0.269118:0.506263:0.020212:0.015846:0.021650:0.005333:0.017310:0.007140:0.017310:0.015584:0.020212:0.018748:0.017310:0.004261:0.018748:0.018748:0.017310:0.005333:0.014408:0.014408:0.014408:0.023114:0.005333:0.018748:0.018748:0.017310:0.015974
OEM CAST vs. FORGED:@0.313431:0.261838:0.609918:0.261838:0.609918:0.239293:0.313431:0.239293:0.020282:0.017380:0.021720:0.006149:0.018818:0.018818:0.017380:0.015916:0.006149:0.014478:0.014478:0.007210:0.006149:0.015916:0.020282:0.018818:0.020282:0.017380:0.018876
(99% of OEM Pistons are Cast):@0.327549:0.281076:0.595794:0.281076:0.595794:0.264167:0.327549:0.264167:0.006520:0.010892:0.010892:0.017422:0.004443:0.010892:0.005441:0.004443:0.015245:0.013069:0.016324:0.004443:0.013069:0.004343:0.009794:0.005441:0.010892:0.010892:0.009794:0.004443:0.010892:0.006520:0.010892:0.004443:0.014147:0.010892:0.009794:0.005441:0.006529
GLM’S EXCLUSIVE MARINE PISTONS:@0.143235:0.130104:0.778144:0.130104:0.778144:0.099104:0.143235:0.099104:0.027824:0.021820:0.029801:0.009850:0.023833:0.007369:0.023833:0.023833:0.025810:0.021820:0.025810:0.023833:0.009850:0.023833:0.023833:0.007369:0.029801:0.025810:0.025810:0.009850:0.025810:0.023833:0.007369:0.023833:0.009850:0.023833:0.021173:0.027824:0.025810:0.023977
•:@0.258529:0.154106:0.265392:0.154106:0.265392:0.137197:0.258529:0.137197:0.006863
Fully Machined Hypereutectic Pistons:@0.288718:0.154106:0.615751:0.154106:0.615751:0.137197:0.288718:0.137197:0.011973:0.010894:0.004345:0.004345:0.009796:0.005578:0.016325:0.010894:0.009796:0.010894:0.004345:0.010894:0.010894:0.010894:0.005578:0.014149:0.009796:0.010894:0.010894:0.006522:0.010894:0.010894:0.005443:0.010894:0.009796:0.005443:0.004345:0.009796:0.005578:0.013071:0.004345:0.009796:0.005443:0.010894:0.010894:0.009804
•:@0.258529:0.172288:0.265392:0.172288:0.265392:0.155379:0.258529:0.155379:0.006863
Featuring a Hard Anodizing Coating on Top:@0.288725:0.172288:0.663588:0.172288:0.663588:0.155379:0.288725:0.155379:0.011961:0.010882:0.010882:0.005431:0.010882:0.006510:0.004333:0.010882:0.010882:0.005598:0.010882:0.005598:0.014137:0.010882:0.006510:0.010882:0.004441:0.013059:0.010882:0.010882:0.010882:0.004333:0.009784:0.004333:0.010882:0.010882:0.005598:0.014137:0.010882:0.010882:0.005431:0.004333:0.010882:0.010882:0.005598:0.010882:0.010882:0.005598:0.009804:0.010667:0.010902
•:@0.258529:0.190470:0.265392:0.190470:0.265392:0.173561:0.258529:0.173561:0.006863
Resisting Temperatures up to 1560°F:@0.288716:0.190470:0.613049:0.190470:0.613049:0.173561:0.288716:0.173561:0.014147:0.010892:0.009794:0.004343:0.009794:0.005441:0.004343:0.010892:0.010892:0.005353:0.009814:0.010892:0.016324:0.010892:0.010892:0.006520:0.010892:0.005441:0.010892:0.006520:0.010892:0.009794:0.005725:0.010892:0.010892:0.005725:0.005441:0.010892:0.005725:0.010892:0.010892:0.010892:0.010892:0.007833:0.011980
•:@0.258529:0.208652:0.265392:0.208652:0.265392:0.191742:0.258529:0.191742:0.006863
Hardness: HV280-400:@0.288731:0.208652:0.483200:0.208652:0.483200:0.191742:0.288731:0.191742:0.014143:0.010888:0.006516:0.010888:0.010888:0.010888:0.009790:0.009790:0.005437:0.006173:0.014143:0.013065:0.010888:0.010888:0.010888:0.006516:0.010888:0.010888:0.010902
•:@0.258529:0.226833:0.265392:0.226833:0.265392:0.209924:0.258529:0.209924:0.006863
Pistons are T-6 Heat Treated:@0.288722:0.226833:0.539702:0.226833:0.539702:0.209924:0.288722:0.209924:0.013055:0.004329:0.009780:0.005427:0.010878:0.010878:0.009780:0.005704:0.010878:0.006506:0.010878:0.005331:0.010976:0.006506:0.010878:0.005704:0.014133:0.010878:0.010878:0.005427:0.005331:0.011369:0.006506:0.010878:0.010878:0.005427:0.010878:0.010902
CASTING:@0.344412:0.312058:0.417559:0.312058:0.417559:0.297967:0.344412:0.297967:0.011734:0.011734:0.010835:0.009920:0.004479:0.011734:0.012712
FORGING:@0.544232:0.312058:0.620108:0.312058:0.620108:0.297967:0.544232:0.297967:0.009920:0.012649:0.011734:0.012649:0.004479:0.011734:0.012712
Pros:@0.226765:0.330240:0.262843:0.330240:0.262843:0.316149:0.226765:0.316149:0.010817:0.006275:0.009902:0.009085
Low expansion rate:@0.344412:0.330240:0.484866:0.330240:0.484866:0.316149:0.344412:0.316149:0.009082:0.009082:0.011794:0.003953:0.009082:0.008167:0.009082:0.009082:0.009082:0.008167:0.003624:0.009082:0.009082:0.003953:0.005438:0.009082:0.004539:0.009085
Greater Strength:@0.544078:0.330240:0.663966:0.330240:0.663966:0.316149:0.544078:0.316149:0.012709:0.005438:0.009082:0.009082:0.004539:0.009082:0.005438:0.003560:0.010111:0.004539:0.005438:0.009082:0.009082:0.009082:0.004539:0.009085
Lighter weight:@0.344412:0.346604:0.444792:0.346604:0.444792:0.332513:0.344412:0.332513:0.009070:0.003613:0.009070:0.009070:0.004528:0.009070:0.005426:0.003384:0.011783:0.009070:0.003613:0.009070:0.009070:0.004542
Longer life:@0.344412:0.361755:0.420082:0.361755:0.420082:0.347664:0.344412:0.347664:0.009080:0.009080:0.009080:0.009080:0.009080:0.005436:0.003966:0.003623:0.003623:0.004538:0.009085
Lower costs:@0.344412:0.376907:0.431011:0.376907:0.431011:0.362816:0.344412:0.362816:0.009077:0.009077:0.011789:0.009077:0.005433:0.004042:0.008162:0.009077:0.008162:0.004534:0.008170
Cons:@0.226765:0.399028:0.267551:0.399028:0.267551:0.384937:0.226765:0.384937:0.011776:0.009962:0.009962:0.009085
Less strength but:@0.344412:0.399028:0.468915:0.399028:0.468915:0.384937:0.344412:0.384937:0.009082:0.009082:0.008167:0.008167:0.004145:0.008167:0.004539:0.005438:0.009082:0.009082:0.009082:0.004539:0.009082:0.004145:0.009082:0.009082:0.004542
Heavier weight:@0.543814:0.399028:0.650665:0.399028:0.650665:0.384937:0.543814:0.384937:0.011794:0.009082:0.009082:0.008167:0.003624:0.009082:0.005438:0.003377:0.011794:0.009082:0.003624:0.009082:0.009082:0.004542
compensated by:@0.344412:0.415088:0.463307:0.415088:0.463307:0.400997:0.344412:0.400997:0.008163:0.009078:0.013605:0.009078:0.009078:0.009078:0.008163:0.009078:0.004536:0.009078:0.009078:0.003631:0.009078:0.008170
High expansion rate:@0.544085:0.415088:0.687908:0.415088:0.687908:0.400997:0.544085:0.400997:0.011791:0.003621:0.009078:0.009078:0.004039:0.009078:0.008163:0.008686:0.009078:0.009078:0.008163:0.003621:0.009078:0.009078:0.004056:0.005435:0.009078:0.004536:0.009085
strong mold process:@0.344412:0.432361:0.491078:0.432361:0.491078:0.418270:0.344412:0.418270:0.008168:0.004541:0.005440:0.009083:0.009083:0.009083:0.004335:0.013609:0.009083:0.003626:0.009083:0.004335:0.009083:0.005440:0.009083:0.008168:0.009083:0.008168:0.008170
Shorter life:@0.544018:0.432361:0.622438:0.432361:0.622438:0.418270:0.544018:0.418270:0.010897:0.009083:0.009083:0.005440:0.004541:0.009083:0.005440:0.003975:0.003626:0.003626:0.004541:0.009085
Higher costs:@0.544020:0.450543:0.634137:0.450543:0.634137:0.436452:0.544020:0.436452:0.011801:0.003631:0.009088:0.009088:0.009088:0.005444:0.004219:0.008173:0.009088:0.008173:0.004154:0.008170
Verdict:@0.226765:0.473876:0.281271:0.473876:0.281271:0.459785:0.226765:0.459785:0.010193:0.009049:0.006320:0.009948:0.004507:0.009049:0.005441
For Recreational:@0.344412:0.473876:0.464387:0.473876:0.464387:0.459785:0.344412:0.459785:0.009985:0.009087:0.005443:0.003727:0.011799:0.009087:0.008172:0.005443:0.009087:0.009087:0.004544:0.003629:0.009087:0.009087:0.009087:0.003627
High Performance:@0.543997:0.473876:0.675361:0.473876:0.675361:0.459785:0.543997:0.459785:0.011799:0.003629:0.009087:0.009087:0.004217:0.010900:0.009087:0.005443:0.004544:0.009087:0.005443:0.013613:0.009087:0.009087:0.008172:0.009085
For General use:@0.344412:0.492058:0.461448:0.492058:0.461448:0.477967:0.344412:0.477967:0.009961:0.009062:0.005418:0.004170:0.012690:0.009062:0.009062:0.009062:0.005418:0.009062:0.003605:0.004170:0.009062:0.008147:0.009085
Purposes:@0.543807:0.492058:0.612667:0.492058:0.612667:0.477967:0.543807:0.477967:0.010876:0.009062:0.005418:0.009062:0.009062:0.008147:0.009062:0.008170
PISTON RING COATINGS COMPARISON:@0.124412:0.573740:0.794596:0.573740:0.794596:0.542740:0.124412:0.542740:0.023725:0.009742:0.023725:0.020778:0.027716:0.025703:0.007265:0.025703:0.009742:0.025703:0.027716:0.007265:0.025703:0.027716:0.023222:0.021712:0.009742:0.025703:0.027716:0.023725:0.007265:0.025703:0.027716:0.029693:0.021245:0.025703:0.025703:0.009742:0.023725:0.027716:0.025954
DID YOU KNOW :@0.108725:0.598652:0.263439:0.598652:0.263439:0.581742:0.108725:0.581742:0.014159:0.005453:0.014159:0.005249:0.013080:0.015257:0.014159:0.005661:0.014159:0.014159:0.015257:0.018512:0.005451
sometimes as much as 30% of engine friction comes from:@0.263627:0.598652:0.767157:0.598652:0.767157:0.581742:0.263627:0.581742:0.009792:0.010890:0.016322:0.010890:0.005439:0.004341:0.016322:0.010890:0.009792:0.005639:0.010890:0.009792:0.005639:0.016322:0.010890:0.009792:0.010890:0.005639:0.010890:0.009792:0.005639:0.010890:0.010890:0.017420:0.005639:0.010890:0.005439:0.005639:0.010890:0.010890:0.010890:0.004341:0.010890:0.010890:0.005639:0.005439:0.006518:0.004341:0.009792:0.005439:0.004341:0.010890:0.010890:0.005639:0.009792:0.010890:0.016322:0.010890:0.009792:0.005639:0.005439:0.006518:0.010890:0.016333
the piston rings? Therefore, 2-ring pistons have less friction than 3-ring pistons.:@0.108725:0.616833:0.796145:0.616833:0.796145:0.599924:0.108725:0.599924:0.005441:0.010892:0.010892:0.005625:0.010892:0.004343:0.009794:0.005441:0.010892:0.010892:0.005625:0.006520:0.004343:0.010892:0.010892:0.009794:0.010892:0.005253:0.011971:0.010892:0.010892:0.006520:0.010892:0.005441:0.010892:0.006520:0.010892:0.005441:0.005625:0.010892:0.006520:0.006520:0.004343:0.010892:0.010892:0.005625:0.010892:0.004343:0.009794:0.005441:0.010892:0.010892:0.009794:0.005625:0.010892:0.010892:0.009794:0.010892:0.005625:0.004343:0.010892:0.009794:0.009794:0.005625:0.005441:0.006520:0.004343:0.009794:0.005441:0.004343:0.010892:0.010892:0.005625:0.005441:0.010892:0.010892:0.010892:0.005625:0.010892:0.006520:0.006520:0.004343:0.010892:0.010892:0.005625:0.010892:0.004343:0.009794:0.005441:0.010892:0.010892:0.009794:0.005451
To minimize piston ring friction in the engine you should::@0.196569:0.641379:0.729212:0.641379:0.729212:0.624470:0.196569:0.624470:0.010598:0.011990:0.005298:0.017441:0.005461:0.011990:0.005461:0.017441:0.005461:0.009814:0.010912:0.005298:0.011990:0.005461:0.010912:0.006539:0.011990:0.011990:0.005298:0.007637:0.005461:0.011990:0.011990:0.005298:0.006539:0.007637:0.005461:0.010912:0.006539:0.005461:0.011990:0.011990:0.005298:0.005461:0.011990:0.005298:0.006539:0.011990:0.010912:0.005298:0.010912:0.011990:0.011990:0.005461:0.011990:0.010912:0.005298:0.010912:0.011990:0.011990:0.005298:0.010912:0.011990:0.011990:0.011990:0.005461:0.011990:0.006529
•:@0.259314:0.665924:0.266176:0.665924:0.266176:0.649015:0.259314:0.649015:0.006863
Choose the right ring tension and coating.:@0.288714:0.665924:0.652231:0.665924:0.652231:0.649015:0.288714:0.649015:0.014145:0.010890:0.010890:0.010890:0.009792:0.010890:0.005616:0.005439:0.010890:0.010890:0.005616:0.006518:0.004341:0.010890:0.010890:0.005439:0.005616:0.006518:0.004341:0.010890:0.010890:0.005616:0.005439:0.010890:0.010890:0.009792:0.004341:0.010890:0.010890:0.005616:0.010890:0.010890:0.010890:0.005616:0.009792:0.010890:0.010890:0.005439:0.004341:0.010890:0.010890:0.005451
•:@0.259314:0.684106:0.266176:0.684106:0.266176:0.667197:0.259314:0.667197:0.006863
If for oversize, check that the bore size is correct.:@0.288724:0.684106:0.715373:0.684106:0.715373:0.667197:0.288724:0.667197:0.005449:0.005449:0.005522:0.005449:0.010900:0.006527:0.005522:0.010900:0.009802:0.010900:0.006527:0.009802:0.004351:0.009802:0.010900:0.005449:0.005522:0.009802:0.010900:0.010900:0.009802:0.009802:0.005522:0.005449:0.010900:0.010900:0.005449:0.005522:0.005449:0.010900:0.010900:0.005522:0.010900:0.010900:0.006527:0.010900:0.005522:0.009802:0.004351:0.009802:0.010900:0.005522:0.004351:0.009802:0.005522:0.009802:0.010900:0.006527:0.006527:0.010900:0.009802:0.005449:0.005451
•:@0.259314:0.702288:0.266176:0.702288:0.266176:0.685379:0.259314:0.685379:0.006863
Change the engine oil regulary.:@0.288727:0.702288:0.559614:0.702288:0.559614:0.685379:0.288727:0.685379:0.014139:0.010884:0.010884:0.010884:0.010884:0.010884:0.005557:0.005433:0.010884:0.010884:0.005557:0.010884:0.010884:0.010884:0.004335:0.010884:0.010884:0.005557:0.010884:0.004335:0.004335:0.005557:0.006512:0.010884:0.010884:0.010884:0.004335:0.010884:0.006512:0.008237:0.005451
Warning: GLM will not cover the warranty for non-authorized marine engine boring services.:@0.131863:0.919028:0.788680:0.919028:0.788680:0.904937:0.131863:0.904937:0.014902:0.009085:0.005441:0.009085:0.003627:0.009085:0.009085:0.004542:0.004078:0.012712:0.009085:0.013611:0.004078:0.011797:0.003627:0.003627:0.003627:0.004078:0.009085:0.009085:0.004542:0.004078:0.008170:0.009085:0.008170:0.009085:0.005441:0.004078:0.004542:0.009085:0.009085:0.004078:0.011797:0.009085:0.005441:0.005441:0.009085:0.009085:0.004542:0.008170:0.004078:0.004542:0.009085:0.005441:0.004078:0.009085:0.009085:0.009085:0.005441:0.009085:0.009085:0.004542:0.009085:0.009085:0.005441:0.003627:0.008170:0.009085:0.009085:0.004078:0.013611:0.009085:0.005441:0.003627:0.009085:0.009085:0.004078:0.009085:0.009085:0.009085:0.003627:0.009085:0.009085:0.004078:0.009085:0.009085:0.005441:0.003627:0.009085:0.009085:0.004078:0.008170:0.009085:0.005441:0.008170:0.003627:0.008170:0.009085:0.008170:0.004542
RING COATING:@0.244020:0.742361:0.349055:0.742361:0.349055:0.728270:0.244020:0.728270:0.010472:0.003943:0.010472:0.011296:0.002947:0.010472:0.011296:0.009443:0.008840:0.003943:0.010472:0.011441
SCUFF RESISTANCE:@0.387100:0.742361:0.530690:0.742361:0.530690:0.728270:0.387100:0.728270:0.009663:0.010472:0.010472:0.008840:0.008840:0.002947:0.010472:0.009663:0.009663:0.003943:0.009663:0.007766:0.010459:0.010459:0.010459:0.009809
WEAR RESISTANCE:@0.555002:0.742361:0.694583:0.742361:0.694583:0.728270:0.555002:0.728270:0.013724:0.009650:0.010459:0.010459:0.002954:0.010459:0.009650:0.009650:0.003929:0.009650:0.007812:0.010459:0.010459:0.010459:0.009809
Plain:@0.278529:0.777513:0.314258:0.777513:0.314258:0.763422:0.278529:0.763422:0.010750:0.003479:0.008936:0.003479:0.009085
Poor:@0.443676:0.777513:0.477740:0.777513:0.477740:0.763422:0.443676:0.763422:0.010750:0.008936:0.008936:0.005441
Low:@0.607941:0.777513:0.637350:0.777513:0.637350:0.763422:0.607941:0.763422:0.008806:0.008806:0.011797
Plasma Moly:@0.249918:0.813573:0.342127:0.813573:0.342127:0.799482:0.249918:0.799482:0.010855:0.003583:0.009041:0.008126:0.013567:0.009041:0.003636:0.013567:0.009041:0.003583:0.008170
Excellent:@0.427614:0.813573:0.493552:0.813573:0.493552:0.799482:0.427614:0.799482:0.010855:0.008126:0.008126:0.009041:0.003583:0.003583:0.009041:0.009041:0.004542
Good:@0.602173:0.813573:0.642008:0.813573:0.642008:0.799482:0.602173:0.799482:0.012668:0.009041:0.009041:0.009085
Nitriding:@0.266765:0.849634:0.326042:0.849634:0.326042:0.835543:0.266765:0.835543:0.011717:0.003547:0.004462:0.005361:0.003547:0.009005:0.003547:0.009005:0.009085
Average:@0.430752:0.849634:0.490892:0.849634:0.490892:0.835543:0.430752:0.835543:0.010590:0.008090:0.009005:0.005361:0.009005:0.009005:0.009085
Excellent:@0.589722:0.849634:0.655373:0.849634:0.655373:0.835543:0.589722:0.835543:0.010819:0.008090:0.008090:0.009005:0.003547:0.003547:0.009005:0.009005:0.004542
Chrome:@0.267173:0.885694:0.324992:0.885694:0.324992:0.871604:0.267173:0.871604:0.011740:0.009028:0.005384:0.009028:0.013554:0.009085
Average:@0.430490:0.885694:0.490735:0.885694:0.490735:0.871604:0.430490:0.871604:0.010580:0.008113:0.009028:0.005384:0.009028:0.009028:0.009085
Excellent:@0.589575:0.885694:0.655408:0.885694:0.655408:0.871604:0.589575:0.871604:0.010842:0.008113:0.008113:0.009028:0.003570:0.003570:0.009028:0.009028:0.004542