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02-01-2012, 01:39 PM
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#1 (permalink) |
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:::Z-250 Rider:::
Join Date: Oct 2008
Location: Carmi, IL
Posts: 430
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Piston/gasket compression question
Alright guys. I have a JE 12.0:1 Piston I am throwing in. I am also going to be using a single layer base gasket. My thought would be that the compression would go even higher, but on JE's website the same part number under DRZ-400 says 12.0:1 compression as well. This seems confusing to me I don't know which one is correct or if JE is assuming everyone switches to a single layer base gasket. Any Ideas?
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2003 Z434 April 2012 QOTM Engine- 434 BBK, JE 12:1, NSHC, Ferrea Valves, DRZ springs, DID 3/4 cam chain, Single layer base gasket, 42mm 450r carb non FCR, EBC Clutch, Stage IV full exhaust, Spectre Intake, K&N with outwear |
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02-01-2012, 02:56 PM
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#2 (permalink) |
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:::LT250 Rider:::
 
Join Date: Nov 2011
Location: New York
Posts: 809
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From what I understand (at least with wiseco) the advertised compression is with a single layer gasket... At least I read that a few times. Dont quote me on that
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2003 Suzuki Ltz 400 -got some stuff 2000 Honda XR50 - pitbike 2006 Nissan SE-R Spec-v - daily driver 1993 Jeep Wrangler - built and swapped |
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02-01-2012, 03:01 PM
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#3 (permalink) |
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:::LT500 Rider:::
Join Date: Jan 2010
Location: North Carolina
Posts: 1,229
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99% of the aftermarket pistons for the LTZ are rated for the single layer base gasket from the DRZ. So the advertised compressionis right. It would be right at 12:1
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04 LTZ 445 95mm CP 12.78:1************** Elka stage3 front & rear Web 540-539***************** JRD +3 LT A-arms 42mm Kehin******************* Burguard +1.75 swingarm Full HMF shorty *************** Hiper tech3's in Kenda klaws Dyna programable*********** Lonestar axle, carrier & stem |
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02-01-2012, 03:20 PM
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#4 (permalink) |
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:::Z-250 Rider:::
Join Date: Oct 2008
Location: Carmi, IL
Posts: 430
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thanks guys. I was just needing to make sure of that.
__________________
2003 Z434 April 2012 QOTM Engine- 434 BBK, JE 12:1, NSHC, Ferrea Valves, DRZ springs, DID 3/4 cam chain, Single layer base gasket, 42mm 450r carb non FCR, EBC Clutch, Stage IV full exhaust, Spectre Intake, K&N with outwear |
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02-01-2012, 03:24 PM
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#5 (permalink) |
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:::Official Spammer:::
 
Join Date: Jun 2006
Posts: 3,390
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That's what i'm gathering, I sure hope so, or i'm at 13.5:1 lol.
__________________
05' Z434 12.5:1CP,Full Yosh TRC,FCR40,175/45,Rat Stack,Dyna Programmable,AMR Coil,KW Valvetrain,536/540 Web's,DID Tchain,PWR Radiator,Raptor petcock,Gunnar Kill,Elka S3 Front+Rear w/link,Roll+1 Stem,GPR Stabilizer,SL Hyd.Clutch,Tag T2,LSR+3 Arms,Burgard+1 Swinger,Quadtech Rad Shrouds,Supersprox 14/40t,UM Air Box,YFZ Calipers,SS Lines,PA Bumper,Asv's,Roll Nerfs/Heels/Pegs,LSR Axcalibar,Douglas G2 Beadlocks/Razr's,Hid,YFZTail,Pwrmadd's,TT Vapor+Dash,CV4's,RickyStator. July 2011 QOTM 
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