North East F-Body Association

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Batman 03-21-2010 08:28 PM

WTF over?
 
Looking to replace the pistons in my old shortblock so I can have a spare and my 2 choices are go forged and re-balance the rotating assembly or go stock and just put them on. Since budget is a big deal for me right now you'd think the stockers would be the way to go. WRONG! A set of Diamond forged pistons costs less then $600.00, a set of stockers is, get ready for it, almost $900.00. Depending on the cost of balancing this is still a no brainer, but not quite how I expected.

Formula413 03-21-2010 09:24 PM

Where did you get the $900 price from? That's not all that surprising, I've seen lots of applications where better quality aftermarket parts are cheaper than stock replacements.

Batman 03-21-2010 10:07 PM

Gmpd was the cheapest, $80.0 a piston but ridiculous shipping, everywhere else was roughly $125 a piston

84ta406 03-22-2010 12:43 AM

Fuck thatI would deff. go with the Diamond pistons!

Bayer-Z28 03-22-2010 12:53 AM

Our cars idle pretty smooth, but balancing the bottom end is supposed to give a silky smooth idle.. :D

ILuvPizzaTimes10 03-22-2010 07:16 AM

actually. he will need to balance it for the new rotating parts that will be a different weight then the factory pieces the crank was balanced for. lighter pistons and rods will add a TON of vibrations if not balanced properly.

Batman 03-22-2010 12:11 PM

Quote:

Originally Posted by ILuvPizzaTimes10 (Post 13773)
actually. he will need to balance it for the new rotating parts that will be a different weight then the factory pieces the crank was balanced for. lighter pistons and rods will add a TON of vibrations if not balanced properly.



Yep


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