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84toy's Avatar
 
Join Date: Oct 2003
Location: Sacramento, CA
Posts: 666
Need 2.7 piston and cylinder sizes

Waiting for my service manual to arrive but I would like to continue on ...Could someone post the sizes, tolerances and clearances of 2.7 KS piston and cylinders?

Need:
piston and cylinder size and tolerance (group 2)
piston total allowable clearance
max egg shape of cylinder

Thanks in advance...

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Paul S
"Those who say it cannot be done should not interrupt the people doing it"
Old 09-03-2008, 01:54 PM
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Join Date: May 2003
Location: Bend, Oregon
Posts: 2,333
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Paul,

KS group 2 cylinder: 90.020 - 90.030 Piston diameter: 89.990 +- 0.0005
Cylinder / piston clearance: 0.025 - 0.045
Cylinder ovality max: 0.04

Alusil group 2 cylinder: 90.020 - 90.030 Piston diameter: 89.972 - 89.987
Cylinder / piston clearance: 0.035 - 0.060 wow

Mahle "LS" group 2: 90.024 - 90.036 Piston diameter: 89.984 - 89.996
Cylinder / piston clearance: 0.028 - 0.052
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Mark Jung
Bend, OR
MFI Werks.com
Old 09-04-2008, 10:13 AM
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Thanks! Just what I needed

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Paul S
"Those who say it cannot be done should not interrupt the people doing it"
Old 09-04-2008, 10:46 AM
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