My apologies - you are correct- it is only a 2% difference in piston weight, not 20%. You wouldn't be able to feel 2%.

I still don't understand the vibration thing with a lighter piston?

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Its alright man, I asked the this guy the same thing. I thought the lighter the piston the better off u are but he said no u dont want to light of piston because u will have alot of vibration. I probably wouldnt go any lighter than MR.HP's performence piston, because from what i have heard his a pretty light but good enough to where u wont have any problems. [img]i/expressions/face-icon-small-smile.gif[/img] Lance

 

Its probably not a good idea to hold a 14:1 compression engine at WOT for long periods of time(desert Racing). That is alot of strain on the bottom end. IMO you would be much happier with a 11:5 piston. You can change cams to put the power in the right rpm range for you.



Bigger.