Piston Weights

[wobble]

Weights stated below include piston, rings, clips, and wrist pin.

Stock piston setup is 535-540 grams

JE 12.5:1 102mm = 487.7 grams
JE 10.75:1 105.5mm = 490 grams
JE 12:1 105.5mm = 506.8 grams
Venom 14.25:1 105mm = 521 grams
CP 11:1 102mm = 524.9 grams
CP 12:1 105mm = 533 grams
Wiseco 11:1 103mm = 535.4 grams
CP 11:1 102mm (corrected deck height) = 545 grams
RE 14:1 102mm Lightweight = 545 grams
CP 13:1 105mm = 554-559 grams
RE 14:1 105mm Lightweight = 575-579 grams
Barkers Diamond 14:1 105mm = 596 grams

[Colorado700R]

When I pull my CP 102 bore 12-1 I'll weigh it to add to the list Dave

Thanks for the post!

[Peelz]

very cool.

[wobble]

Read the 2nd line of my post. 

[Peelz]

Read the 2nd line of my post. 

I don't know what you are talking about.

[Troy31]

When I pull my CP 102 bore 12-1 I'll weigh it to add to the list Dave

Thanks for the post!

You do know it won't run without a piston?

[Spartan]

When I pull my CP 102 bore 12-1 I'll weigh it to add to the list Dave

Thanks for the post!

You do know it won't run without a piston?

He has a replacement to go in there

[DL700]

the NEW 11:1 CP 102 bore are about 5 grams heavier then stock on my scale...

[wobble]

Thanks Daniel!

Wow. 17 grams heavier than the old version? Sounds like they added quite a bit of material to get it corrected deck height. 

[DL700]

yes, stock weighed 535-540 and the cp 545...

they added the material to the top of the piston to bring it up .030 from before

[wobble]

Thanks! I appreciate the input. 

I noticed the three 105 bore 13:1 pistons I weighed were 554, 556, and 559. So there is definitely an acceptable +/- allowance for them, but this does give a good general idea.

[Spartan]

So the new CP 11:1s are corrected deck now?

[DL700]

So the new CP 11:1s are corrected deck now?

yes and have been for a while.. same with the 12.

[Spartan]

So do you happen to know if the one I got from you is corrected or not? It was about a year ago now...

[wobble]

Look at the spec sheet that came with it.