Is this a 95-97 9.0:1 Piston?
#1
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![Name: P2090407.jpg
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By the raised center, I am guesing that it is, but all of the links to pics of the 94-95 8.8:1 and the 95-97 9.0:1 are broken. The engine that I took these from was 70 production units later than the 95 VIN cutoff for the later pistons, but I wanted to be sure before I put everything back together and cc'ed the block and head.
Thanks in advance,
Joe
Last edited by Tirewarmer; 02-09-2010 at 08:02 PM.
#5
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I would think that the stock 8.8:1 piston would have a center section that doesn't stick out. I have some stock 99 9.5:1 pistons here, that I took out of a stock 99 motor myself, and the center of those sticks out much further than these. The piston in the first pic definately has less compression than the 9.5:1 next to it in the pics below. The only missing piece here now is finding a good pic of the 94-95 8.8:1 piston.
Piston that I pulled from the 95 engine is on the left, 99 piston on the right:
![Name: P2090413.jpg
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Piston that I pulled from the 95 engine is on the left, 99 piston on the right:
![Name: P2090413.jpg
Views: 71
Size: 59.9 KB](https://www.miataturbo.net/attachments/engine-performance-56/200516d1501242133-95-97-9-0-1-piston-p2090413.jpg)
![Name: P2090414.jpg
Views: 81
Size: 61.1 KB](https://www.miataturbo.net/attachments/engine-performance-56/200517d1501242133-95-97-9-0-1-piston-p2090414.jpg)
Last edited by Tirewarmer; 02-10-2010 at 01:09 PM.
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