NoPistons -Mazda Rx7 & Rx8 Rotary Forum

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-   20B Forum (https://www.nopistons.com/20b-forum-51/)
-   -   20b (https://www.nopistons.com/20b-forum-51/20b-61365/)

RX8Guy 08-29-2006 04:11 PM
I understand the dowel Pins in a 20B are different than the 13B. Can anyone explain the difference in the pins and why they're different?

orb 08-30-2006 11:56 AM
they would be longer for one.

RX8Guy 08-31-2006 10:01 AM
Originally Posted by orb' post='834912' date='Aug 30 2006, 11:56 AM

they would be longer for one.
Actually, they're all the same length. 2 have about .030" groove cut into the end, but I cant figure out why. I didnt notice it untill I got ready to re-assemble the motor. but I cant seem to find any difference in location upon assemby. They seem to all be interchangeable, but that groove must have been cut for some reason.

Jeff20B 08-31-2006 10:10 AM
I think the groove goes into the front plate.

orb 08-31-2006 11:06 AM
Originally Posted by RX8Guy' post='835132' date='Aug 31 2006, 07:01 AM

Actually, they're all the same length. 2 have about .030" groove cut into the end, but I cant figure out why. I didnt notice it untill I got ready to re-assemble the motor. but I cant seem to find any difference in location upon assemby. They seem to all be interchangeable, but that groove must have been cut for some reason.


my eyes decieved me then https://www.nopistons.com/forums/pub..._DIR#>/dry.png

kazisdaman 10-02-2006 12:50 AM
Originally Posted by RX8Guy' post='834787' date='Aug 29 2006, 01:11 PM

I understand the dowel Pins in a 20B are different than the 13B. Can anyone explain the difference in the pins and why they're different?


the 13B dowel pins, are the exact same as the 20B dowel pins. There is no difference between the two.


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