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Old 03-28-2006, 11:40 PM   #1
blacktalon606
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Subaru Stars What pistons other than JE?

I have a set of eagles headed my way in the mail. I will soon be sticking them in an old usdm ej20 shortblock and I had planned to purchase a set of JE pistons to go along with my build. Then I read a post talking about an engine letting go because JE pistons are crap. Is this true? Would Aries be a better choice? Money is an issue, but If I have to I would rather spend a few more dollars to save in the long run.
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Old 03-29-2006, 01:09 AM   #2
yeahwrx
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I would be more concerned about there being several posts about JE pistons being crap.
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Old 03-29-2006, 01:16 AM   #3
23b_Rex
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crawford makes good pistons... and blocks
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Old 03-29-2006, 02:22 AM   #4
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eagle, je and cp are all junk IMHO.....mahle and oliver are the way to go but heck what do those mahle guys know.....they've only been doing it for over 82 years. Oliver of course would just be your rods but i'm sure you already knew that. I just like to make sure for people just in case
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Old 03-29-2006, 06:49 AM   #5
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We have a forum for this and now that it's been moved, you MIGHT want to gander at the Piston FAQ I spent like 30 hours researching.
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Old 03-29-2006, 10:46 AM   #6
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I think there needs to be a sticky with all your FAQs listed. They are most helpful.
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Old 03-29-2006, 10:52 AM   #7
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Mahle FTW. I just got a set of these and they will be in the block within the next week or so. I cant wait!
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Old 03-29-2006, 11:18 AM   #8
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wiseco are pretty awesome -- they have kits ready to go... hold up too
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Old 03-29-2006, 11:46 AM   #9
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I'm going Wiseco.
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Old 03-29-2006, 12:30 PM   #10
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seen alot of motors with the wiseco have problems. they are just breaking into the import scene as well as automotive.that scares me a bit . i need them to be around for awhile. i am using cp pistons in my 2.5l
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Old 03-29-2006, 12:38 PM   #11
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-1 for cp pistons
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Old 03-29-2006, 03:19 PM   #12
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I think it depends on the installation and tuning. You can use the best of the best parts and if they are installed wrong or you are running a bad tune, or have a bad tank of gas .... your engine could fail.
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Old 03-29-2006, 03:37 PM   #13
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+1 Mahle ...
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Old 03-29-2006, 06:18 PM   #14
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ok then... Wiesco or CP? Pros/cons?
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Old 03-29-2006, 10:17 PM   #15
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Old 03-30-2006, 12:52 AM   #16
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Wiseco uses their own 2000Ton press to forge their pistons, I recently blew a block that had my Wiseco's in it, needless to say the Pistons were more salvageable than the rest of the block. 1 rod came off the crankshaft, bent and cracked another rod, other rods were bent. Pistons look alright up top other than them bending a few valves, although the rods did take a chunk or two out of the back of them.

If you get forged pistons, then the pistons are the least of your worries.
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Old 03-30-2006, 05:50 PM   #17
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We favor the Wiseco and carry custom spec versions for Subaru motors.

-Geoff
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Old 04-03-2006, 01:15 AM   #18
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I run wiseco's and love them. The shop I get my car worked on uses nothing but them. They have a 650+ whp wrx drag car. Nuff said
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Old 04-03-2006, 01:57 AM   #19
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^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
if i couldn't get the mahle then...
i would def. pic wiseco over the je, cp, or eagles
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Old 04-03-2006, 10:57 PM   #20
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Many Suby engines have successfully used CP pistons for thousands of very hard miles.
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Old 04-04-2006, 01:02 AM   #21
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Quote:
Originally Posted by sonic rx
seen alot of motors with the wiseco have problems. they are just breaking into the import scene as well as automotive.that scares me a bit . i need them to be around for awhile. i am using cp pistons in my 2.5l
Your kidding right?

Most of the high HP Hondas run Wisecos, although the newer fad tends to be CPs. Wisecos have been making import pistons for quite awhile.
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Old 04-04-2006, 01:20 AM   #22
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I just pm'd you. Let me know if you get a chance to read it.
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Old 04-04-2006, 02:36 AM   #23
gcm05
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yeah i think cp has been making them for a while but it's hard to compete with over 82 years experience of the mahle
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Old 04-06-2006, 12:31 AM   #24
Sko
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After upgrading pistons, consider doing rods too, because your pistons will be able to take a beating that will leave them in fine shape, but will bend/crack/disconnect your rods, trust me, I did only pistons and my rods went, now I'm doing it all w/ 100mm pistons forged with wisecos, eagle rods, balanced crank, etc.
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Old 04-06-2006, 12:45 AM   #25
jam69007
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manley rods are good, just put a set with some coated weisco's in my friends 4g63
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