New pistons finally arrived, can finally get the engine build moving again
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Stroker S2
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Im liking this project My fav colour also (the car)Great build, thanks for sharing, all the lows make the high's higher,looking forward to hearing it,well done
What head gasket will you be using? 82.5mm pistons correct?ABY S2 stroker (work in progress)
B5 1.8T quattro
B4 2.3 (decommissioned)
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Hopefully it works out, I never knew it was going to be a pain in the ars*e getting different sized MLS gaskets. I would've stuck with the original bore size otherwise and not worry about those extra cc'sABY S2 stroker (work in progress)
B5 1.8T quattro
B4 2.3 (decommissioned)
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I always build to 82mm for this reason. With the added benefit of improved piston stability over larger pistons at high rpm.
Other option is to copper o-ring the block and use the 7A fibre headgasket. Which is a trick the Group A rally cars used to do in the olden Cossie days.UrS6 Stroker + HTA3586 =
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Current-2004 Impreza PPP wagon
Sold-92 3B coupe-RS2+, 996s, konis, rear torsen, forged rods........
Sold ABY-stock
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Originally posted by JP View PostI always build to 82mm for this reason. With the added benefit of improved piston stability over larger pistons at high rpm.
Other option is to copper o-ring the block and use the 7A fibre headgasket. Which is a trick the Group A rally cars used to do in the olden Cossie days.
Is there a thread showing aal procedure with pics?800HP 800++Nm
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Originally posted by JP View PostMeasurement wont be far off using that method. And if already decked that would throw measurements from stock.
Welding will only work with dissimilar rod though. Not much difference to your method other than no issues when decking the block.
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A quick Google of "O ring head" will give you a rough idea
From a BMW forum, but the principle is the same
http://forums.bimmerforums.com/forum...re-w-BIG-BOOSTLast edited by AndyP; 29 April 2013, 19:58.sigpic
1991 Audi S2 3B - 2.5 Stroker engine
1997 A6 2.5TDi quattro avant - C4
1976 RD250E / 350LC cafe racer
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People used to copper ring lots of Rover V8's back in the day
Tonks4x4 - The Land Rover Specialist
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