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Please help ID these pistons #1851262
06/17/15 07:45 PM 06/17/15 07:45 PM
Joined: Jun 2010
Posts: 1,144
wellington ohio
68-scatpack-rt Offline OP
In thin ice
68-scatpack-rt  Offline OP
In thin ice

Joined: Jun 2010
Posts: 1,144
wellington ohio
Hello all.
Are these factory 440 hp pistons?
Don't see any markings on the top.
Haven't pulled the pan yet.

They are in my 1968 HP 440.



Thanks guys.

unions....the folks who brought you the weekend!
Re: Please help ID these pistons [Re: 68-scatpack-rt] #1851275
06/17/15 08:04 PM 06/17/15 08:04 PM
Joined: Jan 2003
Posts: 15,439
Val-haul-ass... eventually
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BradH Offline
Taking time off to work on my car
BradH  Offline
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Posts: 15,439
Val-haul-ass... eventually
They look like OEM cast 440 pistons. In '68-69, 440s only used one type of piston, regardless of whether it was the 350HP passenger car engine or the 375HP performance engine.
Re: Please help ID these pistons [Re: 68-scatpack-rt] #1851305
06/17/15 08:29 PM 06/17/15 08:29 PM
Joined: Jun 2008
Posts: 3,916
usa
L
lewtot184 Offline
master
lewtot184  Offline
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Joined: Jun 2008
Posts: 3,916
usa
they're some kind of trw/sealed power/etc forgings.
Re: Please help ID these pistons [Re: lewtot184] #1851566
06/18/15 01:52 AM 06/18/15 01:52 AM
Joined: Jan 2003
Posts: 15,439
Val-haul-ass... eventually
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BradH Offline
Taking time off to work on my car
BradH  Offline
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Joined: Jan 2003
Posts: 15,439
Val-haul-ass... eventually
Originally Posted By lewtot184
they're some kind of trw/sealed power/etc forgings.

L2266s maybe... forgot the cast OEM pistons didn't have that hole in the center of the crown.
Re: Please help ID these pistons [Re: 68-scatpack-rt] #1851650
06/18/15 08:56 AM 06/18/15 08:56 AM
Joined: Jun 2010
Posts: 1,144
wellington ohio
68-scatpack-rt Offline OP
In thin ice
68-scatpack-rt  Offline OP
In thin ice

Joined: Jun 2010
Posts: 1,144
wellington ohio
Thanks guys!

Unfortunately for me, they are .080 in the hole and I have 906 heads.

unions....the folks who brought you the weekend!
Re: Please help ID these pistons [Re: 68-scatpack-rt] #1851671
06/18/15 10:26 AM 06/18/15 10:26 AM
Joined: Jan 2003
Posts: 15,439
Val-haul-ass... eventually
B
BradH Offline
Taking time off to work on my car
BradH  Offline
Taking time off to work on my car
B

Joined: Jan 2003
Posts: 15,439
Val-haul-ass... eventually
Sounnds about right for a stock-replacement piston in an undecked block.

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