Reaper Posted August 24, 2006 Share Posted August 24, 2006 Just wondering how much Hypereutectic pistons can handle.... Are they anything close to Forged? Thanks, Tom Link to comment Share on other sites More sharing options...
680HPStroker Posted August 24, 2006 Share Posted August 24, 2006 I could guess, but I'd get in touch with Don(RiceRacing). He would be the best source on here for that data. Link to comment Share on other sites More sharing options...
Guest Posted August 25, 2006 Share Posted August 25, 2006 Depends on wether or not you intend on boosting over 6 or 7 psi, or spraying it at all. If so go forged, if not the hypers will work fine. Don Link to comment Share on other sites More sharing options...
mrj52 Posted August 25, 2006 Share Posted August 25, 2006 A few years back I had this chevy monza with a B&M supercharger-The engine was a reverse 383 small block {400+.060x3.48 stroke} with hypereutectic pistons. the pistons were fine untill I pushed the boost over 7 pounds then the rings butted together and pulled the top ring land off. I widended the gap several times and ended up with .050 thousands end gap and still the rings showed sings of end to end contact. since I did not have the unlimited r&d budget I went with forged and had no sign of trouble after that, even with 10 pounds of boost. Go forged. TIM Link to comment Share on other sites More sharing options...
zeusdude Posted August 25, 2006 Share Posted August 25, 2006 Read this,Mike http://en.wikipedia.org/wiki/Hypereutectic_piston Link to comment Share on other sites More sharing options...
Reaper Posted August 25, 2006 Author Share Posted August 25, 2006 So a 550-600 hp big block should be ok with them even if I put a 177 supercharger on it? (3 pounds of boost) Thanks again. I was hoping they would be OK because the engine that my dad is giving me has them in it and I dont wanna HAVE to buy pistons.... Link to comment Share on other sites More sharing options...
mrj52 Posted August 26, 2006 Share Posted August 26, 2006 Well if the engine is free I certainly wouldnt look a gift horse in the mouth. Three pounds? thats pretty conservitive. Those pistons will work with 5-6 pounds no problem. But keep in mind, That changing that top pulley is easy to do and power is really addictive. And that kind of addiction will lead to a high silicone content lunch for your motor and your pocket-book. TIM Link to comment Share on other sites More sharing options...
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