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#46:
03-22-2010, 04:39 PM
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Title: Living the dream
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Rank: Moderator
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Location: montgomery, il.
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Car: Sonata, Corvette, Impreza, Old Ford
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Posts: 21,201
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iTrader: (16)
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what are you willing to give up to get what you think you need?
Stay Stock Stay Happy
__________________
Stay Stock Stay Happy
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#47:
03-22-2010, 04:42 PM
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Title: Too Big to Fail
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Rank: Donating Member
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Location: Naperville, IL
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Car: 05 Legacy GT/98 BMW 540 w/Chevy Power
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Posts: 14,454
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Nothing - forged pistons are better than stock POS pistons!
That's what I've read 
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#48:
03-22-2010, 04:53 PM
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Title: Living the dream
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Rank: Moderator
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Location: montgomery, il.
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Car: Sonata, Corvette, Impreza, Old Ford
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Posts: 21,201
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iTrader: (16)
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Quote:
Originally Posted by rao
nothing - forged pistons are better than stock pos pistons!
That's what i've read  |
+1
__________________
Stay Stock Stay Happy
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#49:
03-23-2010, 06:27 AM
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Title: Burning Monkey
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Location: West Chester, PA
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Car: 06 Civic SI, 08 LGT 5-spd
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Posts: 3,860
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If stock are POS Rao, how come there are so many people running ~50% more power than stock for so many thousands of miles without problems? Huh? Why?
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#50:
03-23-2010, 06:39 AM
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LGT-NY
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Title: Guest
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Quote:
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Nothing - forged pistons are better than stock POS pistons!
That's what I've read
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Goddamn you with your sarcasm!!! I never know when you're being serious.
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#51:
03-23-2010, 06:49 AM
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Title: Flying W00t Monkey
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Rank: Premium Donator
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Location: MA
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Car: GRP '06 LGT/5MT; DBM '09 OBXT/5MT
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Posts: 6,473
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iTrader: (100)
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I had the same trouble when I lost my cyl#4 ringland... very tough to separate the sarcasm (or humor, depending on how you are looking at it) from the good info.
Your goals are not that far off from mine, power-wise. My engine rebuild thread may be relevant for you, since I hashed out the whole aftermarket/OEM piston thing too.
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#52:
03-23-2010, 07:00 AM
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LGT-NY
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Title: Guest
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Posts: n/a
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I'll take a look, thanks bro.
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#53:
03-23-2010, 11:00 AM
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Title: Senior Monkey
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Location: Chicago
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Car: 08 Spec. B/Supra 91T
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Posts: 1,806
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iTrader: (35)
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Quote:
Originally Posted by bosco
Stay Stock Stay Happy
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The older I get, the more wisdom I see in this statement.
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#54:
03-25-2010, 01:02 PM
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Title: AARP fuhrer
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Location: the warm soft hills
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Car: beckon me
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Posts: 10,837
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A compromise between piston strength and engine durability would seem to me to be what many people would be looking for in a somewhat modded daily driver. Wondering if such a thing exists
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#55:
03-25-2010, 01:22 PM
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Title: RS4 killer
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Rank: Donating Member
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Location: Winnipeg
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Car: 05 Atlantic Blue non-limited GT MT
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Posts: 8,464
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iTrader: (8)
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Quote:
Originally Posted by ScoopMan
A compromise between piston strength and engine durability would seem to me to be what many people would be looking for in a somewhat modded daily driver. Wondering if such a thing exists
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It does.
Top-notch machining, a competent builder and cossy pistons.
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#56:
03-26-2010, 10:13 AM
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Title: Contributor
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Location: Capital City, Canada
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Car: '05 OBP OBXT 5MT Stg2
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Posts: 425
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iTrader: (3)
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Quote:
Originally Posted by Boostin
The extra clearance means a couple things. It gives the aftermarket pistons more room to expand in the cylinder, and this may be good for very intense driving and high horsepower setups. You don't want your pistons to seize. However, because the clearance is greater, your motor will have increased blowby and increased wear on the cylinder walls.
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I thought rings did the sealing between piston and cylinder, so why would you get increased blowby with forged pistons?
I do a leakdown test and still measure less than 12% leakage. So what would you get from a stock setup?
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#57:
03-26-2010, 10:18 AM
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Title: Twinscroll troll
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Rank: Donating Member
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Location: Boston
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Car: 05 LGT wagon 12MT
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Posts: 13,762
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iTrader: (125)
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The blowby is there when the engine is cold. Should seal right up when hot.
12% leakage is fairly high. Any oil consumption?
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#58:
03-26-2010, 10:24 AM
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Title: Contributor
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Location: Capital City, Canada
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Car: '05 OBP OBXT 5MT Stg2
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Posts: 425
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iTrader: (3)
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That's measured cold.
No not a drop in about 10,000km so far.
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#59:
03-26-2010, 11:00 AM
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Title: Twinscroll troll
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Rank: Donating Member
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Location: Boston
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Car: 05 LGT wagon 12MT
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Posts: 13,762
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iTrader: (125)
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Yeah, cold leakdown would be ok. Who built your engine?
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#60:
03-26-2010, 12:01 PM
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Title: Contributor
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Location: Capital City, Canada
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Car: '05 OBP OBXT 5MT Stg2
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Posts: 425
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iTrader: (3)
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Fix it you mean...Me
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