Max Wedge Piston ID Help 2406648
#1496680
09/05/13 03:21 PM
09/05/13 03:21 PM
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Joined: Feb 2008
Posts: 45
Denver, CO
Oneida Garage
OP
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OP
member
Joined: Feb 2008
Posts: 45
Denver, CO
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I have a couple sets of pistons here, all stamped 2406648. I'm pretty sure they are 413 Max Wedge pistons but I have consulted all my parts books and I cannot find a match - not in factory parts books, Davis books, Schild guide, etc.
They have a .063" dome height and measure about 4.200" OD on my calipers, I don't have a micrometer big enough.
Can anyone out there help me out with an ID? Many thanks.
Last edited by Oneida Garage; 09/05/13 03:22 PM.
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Re: Max Wedge Piston ID Help 2406648
[Re: Oneida Garage]
#1496681
09/05/13 04:13 PM
09/05/13 04:13 PM
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Joined: Jan 2003
Posts: 25,796
Rio Linda, CA
John_Kunkel
Too Many Posts
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Too Many Posts
Joined: Jan 2003
Posts: 25,796
Rio Linda, CA
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They look like 11-1 MW pistons, 4.20" would be .020" over 413....too small for a 426.
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Re: Max Wedge Piston ID Help 2406648
[Re: '72CudaRacer]
#1496683
09/05/13 04:39 PM
09/05/13 04:39 PM
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Joined: Feb 2008
Posts: 45
Denver, CO
Oneida Garage
OP
member
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OP
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Joined: Feb 2008
Posts: 45
Denver, CO
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another picture.
I measured again, and while the OD is ~4.200" at the top of the piston, it measures ~4.245" across the bottom of the skirts. I checked a few, they are all similarly tapered.. I didn't realize they had that much taper.
If anyone could find a listing for a 2406648 anywhere, I'd be very grateful. At this point I am thinking it's an 11:1 426 piston.
Last edited by Oneida Garage; 09/05/13 04:55 PM.
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Hows the top ring land side clearances to the rings 
