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[alfa] RE: Identifying 10:1 Motronic Pistons
Erik Wood is correct. I've just photographed all three 2L piston crowns
you'll likely run into, and measured the approximate distances across the
valve cut-outs, so you can tell the difference. Motronic is the easiest to
spot, even through a spark plug hole, since it's completely flat in the
center.
See the info at:
http://www.international-auto.com/index.cfm?fa=ad&aid=255
Mark Lee
IAP
Erik Wood wrote, in response to Kevin Trent's inquiry:
>If I remember correctly, the Motronic style pistons have a perfectly flat
crown between the valve pockets. I'm pretty sure the other are rounded on
top. You might be able to tell with a flashlight aimed down a plug hole.
Anyone remember differently?
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