Re: Anyone recognize this piston?
[Re: Moparteacher]
#2935563
06/22/21 09:31 AM
06/22/21 09:31 AM
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Joined: Feb 2005
Posts: 20,270
PA.
pittsburghracer
"Little"John
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"Little"John
Joined: Feb 2005
Posts: 20,270
PA.
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My guess is it's an old TRW piston. But, I wouldn't throw it away just yet. If the top land isn't collapsed, skirts aren't collapsed or scored, nor the pin bosses, the top damage may just be cosmetic and easily cleaned-up with a little polishing. If it's a TRW then expect the top ring land to be very thick and unlikely damaged.
Which engine? 440, 400, 426W, 383? Those were my thoughts last night after looking at that picture. The TRW and Sealed Power piston kinda looked the same. I had several sets that I ran back in the early 1980’s and easily sold them on Moparts 10 years or so ago. Heavy and almost indestructible.
1970 Duster
Edelbrock headed 408
5.984@112.52
422 Indy headed small block
5.982@112.56 mph
9.38@138.67
Livin and lovin life one day at a time
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Re: Anyone recognize this piston?
[Re: B1MAXX]
#2935610
06/22/21 12:13 PM
06/22/21 12:13 PM
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Joined: Feb 2005
Posts: 20,270
PA.
pittsburghracer
"Little"John
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"Little"John
Joined: Feb 2005
Posts: 20,270
PA.
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I don't think that's a speed pro/ trw. Their pockets are equal in size. That one appears to have different size ones. I used to borrow Jacks valve pocket cutter to put my own reliefs in. I had to for those old .750 roller cams. Lol
1970 Duster
Edelbrock headed 408
5.984@112.52
422 Indy headed small block
5.982@112.56 mph
9.38@138.67
Livin and lovin life one day at a time
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Re: Anyone recognize this piston?
[Re: fbs63]
#2935659
06/22/21 02:53 PM
06/22/21 02:53 PM
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Joined: Jan 2003
Posts: 13,489
Marion, South Carolina [><]
an8sec70cuda
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 13,489
Marion, South Carolina [><]
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The dome shape looks like an Arias piston to me. Or possibly SRP.  That step cut in the dome looks like some old Arias pistons I've seen before. Doesn't look like any TRW/Speed Pro I've seen.
CHIP
'70 hemicuda, 575" Hemi, 727, Dana 60
'69 road runner, 440-6, 4 speed, Dana 60
'71 Demon 340, no drivetrain, on blocks behind the barn
'73 Chrysler New Yorker, 440, 727, 8.75
'90 Chevy 454SS Silverado, 476" BBC, TH400, 14 bolt
'06 GMC 2500HD LBZ Duramax
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Re: Anyone recognize this piston?
[Re: modelmakerinc]
#2935706
06/22/21 04:27 PM
06/22/21 04:27 PM
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Joined: Feb 2005
Posts: 20,270
PA.
pittsburghracer
"Little"John
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"Little"John
Joined: Feb 2005
Posts: 20,270
PA.
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Ding Ding Ding, those who said Arias was right, i looked for hours and this is the closet i found absolutely no info other than .030 over 383 arias pistons for sale from several years ago.
this would be the family of pistons like the 400 i posed about. AI e mailed arias but doubt i will get any response.
Ohhhhh ya. Those TRW piston pins were a lot thicker than that one. Lol.
1970 Duster
Edelbrock headed 408
5.984@112.52
422 Indy headed small block
5.982@112.56 mph
9.38@138.67
Livin and lovin life one day at a time
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