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Old 04-29-2008, 11:32 AM   #151
dug-e-fresh
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Member#: 4568
Join Date: Mar 2001
Location: 603 whp / EJ207
Vehicle:
10.7 @ 136, '02 WRX
??.? @ ???, '09 spec.B

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Originally Posted by CoolRex View Post
Indeed. The EJ207 pistons are forged whereas the WRX are cast or whatever you call it.
Yep... and the v.8 EJ207 AND the EJ257 are hypereutectic alum/silicone alloy. Strong, but brittle so they will hold power, but they are not very det resistant.

def
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Old 04-29-2008, 12:27 PM   #152
TyranosaurusWRX
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Member#: 25731
Join Date: Oct 2002
Chapter/Region: MWSOC
Location: Ft Wayne, IN
Vehicle:
02 wrx(sold)/2005
Sti/ 93 Leg Wag

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Originally Posted by dug-e-fresh View Post
Its more about the alloy/process of how they are made than the thickness of the ringlands. If I recall correctly, the V.7 and V.8 ringlands are the same size as WRX ringlands, but well all know what order we can put them in terms of holding power.... I'll have to get my pistons out and do a side by side comparison again. I have some of all 3.

def
Quote:
Originally Posted by CoolRex View Post
Indeed. The EJ207 pistons are forged whereas the WRX are cast or whatever you call it.
Oh yeah definitely. I have a set of CPs lying around that are probably even thinner but obviously can take the abuse. I guess I just made the blind assumption that the compositions of the WRX and Leggy pistons are similar because of looks/weight. The weighed pretty similar (but obviously the legacy pistons will be heavier due to larger bore and physical size) but I would have no idea what their alloy is for sure.
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Old 05-01-2008, 11:47 AM   #153
fantabulous
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Join Date: Mar 2004
Chapter/Region: MAIC
Location: N.Korea, MD
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05 Saabaru

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40 psi in cylinder number 4. after that i didnt even bother to test the others. its done! it lasted a while though. oh well... life goes on.
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Old 05-01-2008, 07:35 PM   #154
BoostUnderPressure03
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Member#: 117724
Join Date: Jun 2006
Chapter/Region: MWSOC
Location: Ft Wayne
Vehicle:
2003 WRX
WRB

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^^^^

Ouch
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Old 05-01-2008, 08:52 PM   #155
Loomin
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98' Stagea 260RS
Autech Ver.

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40 psi in cylinder number 4. after that i didnt even bother to test the others. its done! it lasted a while though. oh well... life goes on.
did you ever get to take it to the strip?
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Old 05-02-2008, 07:40 PM   #156
fantabulous
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did you ever get to take it to the strip?
yes sir, i believe it did an 11.8 at 123ish? i forget it was a long time ago. oh and the clutch started to slip real bad when i got hot.

new motor should be in this weekend. its my birthday present to myself.
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Old 05-03-2008, 02:06 PM   #157
Richie03
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Location: PA
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Any specs on the engine going in? I'm craving "The Nibbler" right now.
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Old 05-04-2008, 11:44 AM   #158
killthelights145
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Location: Pittsburgh, PA
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1985 Defender 90

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i love this car
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Old 05-04-2008, 01:28 PM   #159
mikaust
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2002

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Any specs on the engine going in? I'm craving "The Nibbler" right now.

MMMM............... The Nibbler
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Old 05-04-2008, 02:32 PM   #160
Devil27
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RIP 05 wrx limited
03 MBP wrx coming soon

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i love this car
agreed
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Old 05-04-2008, 03:55 PM   #161
Paulys05wrx
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Chapter/Region: MAIC
Location: Alexandria, VA
Vehicle:
2005 STi EFR 6738 &
WRX EFR 8734 Twin Scroll

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Quote:
Originally Posted by fantabulous View Post
40 psi in cylinder number 4. after that i didnt even bother to test the others. its done! it lasted a while though. oh well... life goes on.
Same thing happened to my old motor, but I was not pushing the same power you were. Cylinder 4 38 psi so I didn't even bother to check the others.
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Old 05-05-2008, 03:29 PM   #162
dug-e-fresh
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Join Date: Mar 2001
Location: 603 whp / EJ207
Vehicle:
10.7 @ 136, '02 WRX
??.? @ ???, '09 spec.B

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Originally Posted by mikaust View Post
MMMM............... The Nibbler
DEFINITELY! We need to hit that up next time were down...

def
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