Speed Pro Hyper pistons

[nxtruck]

How much n2o has anyone successfully used with this type of piston? I know that detonation will kill these things, but was wondering what people have gotten by with. BTW, this is in a 406 sbc. Thanks...

[ProGSX]

How much n2o has anyone successfully used with this type of piston? I know that detonation will kill these things, but was wondering what people have gotten by with. BTW, this is in a 406 sbc. Thanks...

They explode all by themselves, no nitrous needed....

[Robert1320]

True, A bad pump gas tune can break those.

[Starfire]

:smt073

[Scott McMullen]

The Guys at Speed Pro Told us They Will Come apart with Low Passes on it. Speed Pro Recommended to Change them Every Season. They Also Said Absolutly no Nitrous They Will Come Apart End Of Story. This is from Speed pro themselves . We Use these Pistons In alot of Guys that Want a Budget 400hp Engine thats all they are good for .

[nxtruck]

Thanks for the info guys!