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piston difference 2.0E and 2.0S
hello ,
do you have photos or sketches concerning 2.0E and 2.0S pistons ? I know the difference in the lower part (more longer ) but the 2.0E is it domed or not ? * thanks |
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06-16-2004, 04:52 AM
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This is per the factory shop manuals. Note that the E and L pistons are similar - the change in CR was 0.1.
 It's interesting that the L pistons have the oil rings at the bottom of the piston. 
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John '69 911E "It's a poor craftsman who blames their tools" -- Unknown "Any suspension -- no matter how poorly designed -- can be made to work reasonably well if you just stop it from moving." -- Colin Chapman Last edited by jluetjen; 06-16-2004 at 07:47 AM.. |
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06-16-2004, 07:38 AM
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thanks
yes it 's strange for the L piston !!!! do you think the last sketch ( for a T piston ) is similar for a E piston ? it seems that mine are theses ones (domed with cut out for valves but not S one) I want to be sure that my engine has not S piston . I have all the bill since 1969 but you know ..sometimes there is some surprise !!! 
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06-16-2004, 11:23 PM
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Do you have your pistons out of the case or not? On the 2.0, all of the pistons appear to have valve reliefs. But I doubt that the E pistons would look like the T's since they would not have the E's CR nor the space around the valves to work with the E cams.
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John '69 911E "It's a poor craftsman who blames their tools" -- Unknown "Any suspension -- no matter how poorly designed -- can be made to work reasonably well if you just stop it from moving." -- Colin Chapman |
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06-17-2004, 03:09 AM
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yes , I will try to put this weekend a photo online.
There is cut out for valves and they are domed .
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06-17-2004, 03:19 AM
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911 E
2007 997 GT3
1969 Porsche 911E 2.0 E
