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86.5mm in evo 8 4g63

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86.5mm in evo 8 4g63

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Old

Nov 25, 2016 | 05:30 AM

#1

manu_le_ouf

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Joined: Apr 2015

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From: france

86.5mm in evo 8 4g63

Hi , can i put 86.5mm pistons on my 4g63? some customers said 86mm max and other 87mm....

my futursetup:
gsc r2
gtx3076r
max 30psi
manley 100mm
manley turbo tuff 150mm
wiseco hd

thank's

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Old

Nov 25, 2016 | 02:16 PM

#2

LetsGetThisDone

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Joined: Oct 2013

Posts: 15,973

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From: Las Vegas

.040 over is the max you want to bore the 4g63, that means a final size of 86mm is the biggest you want to go. That larger bore pistons are for the 4g64.

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Old

Nov 25, 2016 | 02:24 PM

#3

manu_le_ouf

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From: france

Ok , but wiseco sell piston for 4g63 max 87,5mm

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Old

Nov 26, 2016 | 10:28 PM

#4

Aby@MIL.SPEC

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Joined: Jun 2003

Posts: 3,043

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From: San Elijo Hills, Ca.

you'll be fine with 86.5mm on a 4g63 block.

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