Wiseco Vs. CP piston Vs. Je piston

**cobrAA** · 06-22-2011, 12:13 AM

I can get all 3 for the same price. any particula difference I should be aware?

**gtrjon** · 06-22-2011, 12:56 AM

i literally started this exact same thread! CP, JE, or WEISCO pistons?????? i went with weisco but most people go with cp!

**cobrAA** · 06-22-2011, 01:17 AM

Funny, I read this from JE'website and it seems like it's the best option for us..

http://www.jepistons.com/Catalogs/Sp.../rb26dett.aspx

•JE designs are specifically engineered for extreme applications up to, and including, professional competition. In this environment, the higher compression ratios, highest boost or heavy nitrous usage necessitate the higher tensile strength 2618 aluminum alloy.

thanks for the link!

**Speeddm** · 06-22-2011, 09:55 AM

Weiscos are typically porus and they use the much cheeper 4000 series aluminum. Not my first choice.

**bignate** · 06-22-2011, 09:59 AM

Originally Posted by Speeddm

Weiscos are typically porus and they use the much cheeper 4000 series aluminum. Not my first choice.

Doesnt using a forging process eliminate any porosity?

**johnnyjohnny** · 06-22-2011, 10:25 AM

Originally Posted by Speeddm

Weiscos are typically porus and they use the much cheeper 4000 series aluminum. Not my first choice.

Forged Wiseco's use 2618T-61 alloy

**derbeck** · 06-22-2011, 02:54 PM

I used cp upgraded pistons and floating pins as my engine builder had very good luck with them and the weight is extremely close when it comes to balancing

**LittleDevilCRX** · 06-22-2011, 03:29 PM

I have had great luck with the wisecos in my honda builds. Ex on my b17a used those with crower rods and added 20psi from a gt35r never had an issue but dyno tuned from day one.

**evilgtr** · 06-22-2011, 07:16 PM

Stand behind what you know, I raced moto GP bikes in Australia an they would see 17,000+ RPM for 30 to 50 minutes straight. We always rebuilt our engines with Wiseco pistons and never once had a issue. Are there better options ? sure there are, but I have developed a trust in Wiseco so thats what I run in my GTR. 500+ whp all day.

**cobrAA** · 06-22-2011, 09:20 PM

well.. I went with JE piston. JE have better ring from factory suited for higher pressure like nitrous and turbos. At the end, however, I think the difference is very minimal so I went with the cheaper too.