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Author
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Topic: Need piston info!!!!!
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Strain Gang
Gearhead Posts: 225
From: Thor, Iowa
Registered: Mar 2003
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posted 01-11-2004 08:58 PM
   
I have a set of 351w dish top pistons I am trying to sell and I am having a hard time identifying them. As far as I can tell they are Sealed Power, but am unsure and would like compression ratio info. The part # on the piston is 416P, and would also like to know wether they are cast, hyperutectic, or forged. Thanks for your help, Steve.
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NewRider
Journeyman Posts: 52
From: Terre Haute, IN
Registered: Jan 2004
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posted 01-11-2004 09:59 PM
Hello,416P V8 351W 68-76 Std.,20,30,40,60 Recessed head .240" deep 416P is a TRW Cast piston number Sincerely,
NewRider [This message has been edited by NewRider (edited 01-11-2004).]
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NewRider
Journeyman Posts: 52
From: Terre Haute, IN
Registered: Jan 2004
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posted 01-11-2004 10:02 PM
Hello again,
Just as a note, TRW piston number would be preceeded by an H for Hypereutectic pistons and by an L for Forged.Sincerely,
NewRider
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Strain Gang
Gearhead Posts: 225
From: Thor, Iowa
Registered: Mar 2003
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posted 01-11-2004 10:06 PM
quote:
Originally posted by NewRider:
Hello again,
Just as a note, TRW piston number would be preceeded by an H for Hypereutectic pistons and by an L for Forged.Sincerely,
NewRider
Thanks, New Rider. You would not happen to know what compression ratio is for what cc heads do ya? Steve.
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NewRider
Journeyman Posts: 52
From: Terre Haute, IN
Registered: Jan 2004
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posted 01-11-2004 10:34 PM
Hello,
Im unsure of CR from one head to the next. They are listed as a 7.7:1 replacement piston. I will try and find out what cc head that was based on.Sincerely,
NewRider
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NewRider
Journeyman Posts: 52
From: Terre Haute, IN
Registered: Jan 2004
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posted 01-11-2004 11:35 PM
Strain Gang, All my seaches have come up empty as far as referencing CR for different heads. All the sources say the same thing the piston is a replacement for
69-76 351W with rectangular recessed head. Compression 7.7:1 with a .240 dish. Im afraid I dont have the Ford knowledge to know what heads (cc) this references to. Sorry I couldnt be of more help.  Sincerely,
Newrider
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Moneymaker
Administrator Posts: 26813
From: Lyons, IL, USA
Registered: May 99
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posted 01-11-2004 11:54 PM
I guess I just wanted to see how deep a hole you guys could dig yourselves into before I interveened. 
From those few of us who actually DO know everything , the afore mentioned 416P piston is a Sterling part number.
It is a "rebuilder" quality OEM style .250 inch dish replacement piston for a 73-76 351W car and light truck. It is an 8 to 1 compression piston with 64 cc heads.
Same stuff Jasper Engine would use.
I don't know where you guys got them rom, but don't try and misrepresent them as TRW's.
They ain't worth much. Sorry ------------------
Alex Denysenko
Co-Administrator and Moderator NHRA/IHRA/SRA member and licensed Superstock driver
MCA member# 53321
NHRA and IHRA SS/LA & SS/MA National Record Holder '00,'01,'02,&'03
First SS/MA in the TENS!
IHRA division 5 Superstock Champion
Fleet of FoMoCo products including 88 ASC McLaren Mustang #28 The Barry of BarrysGrrl Quote #1: "I never met a magazine mechanic I liked."
Quote #2: "Make sure brain is in gear before engaging mouth!"
Quote #3: "If you can't run with the big dogs, stay on the porch!"
www.moneymakerracing.com
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NewRider
Journeyman Posts: 52
From: Terre Haute, IN
Registered: Jan 2004
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posted 01-12-2004 12:08 AM
Moneymaker, I wasnt trying to mislead anyone or misrepresent anyone. Just trying to help him by doing searches and came up with the following.... http://www.flatlanderracing.com/trwcast.html If you scroll to Ford, the TRW cast number for the 351W 7.7:1 is 416P
Strain Gang,
Sorry for my error...
Sincerely,
NewRider
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Moneymaker
Administrator Posts: 26813
From: Lyons, IL, USA
Registered: May 99
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posted 01-12-2004 12:17 AM
Don't worry about it NewRider. 
I was just busting the Strain gangs balls. 
I know you were just trying to help.  That particular outfit you used as a reference has been known to post some eroneous information from time to time.
I'm sure it is not intentional. I quote actual manufacturers cataloges, not distributors web sites. You can't believe everything you read on the internet can you now?
The 416P is indeed a Sterling CAST piston.
Carry on. ------------------
Alex Denysenko
Co-Administrator and Moderator NHRA/IHRA/SRA member and licensed Superstock driver
MCA member# 53321
NHRA and IHRA SS/LA & SS/MA National Record Holder '00,'01,'02,&'03
First SS/MA in the TENS!
IHRA division 5 Superstock Champion
Fleet of FoMoCo products including 88 ASC McLaren Mustang #28 The Barry of BarrysGrrl Quote #1: "I never met a magazine mechanic I liked."
Quote #2: "Make sure brain is in gear before engaging mouth!"
Quote #3: "If you can't run with the big dogs, stay on the porch!"
www.moneymakerracing.com
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NewRider
Journeyman Posts: 52
From: Terre Haute, IN
Registered: Jan 2004
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posted 01-12-2004 12:44 AM
Me again  Its also listed in Federal Moguls/Sealed Power website as a valid Sealed Power number Moneymaker,
Not writing this to argue... it just got my curiosity going. Is it possible different manufacturers used the same part number? Sterling and Federal Mogul (SP, TRW) But Strain Gang... I vote Sterling because Moneymaker said so.. Hehehe... sorry... carrying on now Sincerely,
NewRider
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Moneymaker
Administrator Posts: 26813
From: Lyons, IL, USA
Registered: May 99
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posted 01-12-2004 01:06 AM
Look at Federal Mogul's recent acquisitions.
Maybe they bought Sterling also?
I was just looking in my Sealed Power catalog and that number does not exist in the numerical guide.
Then I looked in my sterling catalog and low and behold, there it is. 
TRW/Federal Mogul does not produce their own cast pistons. They buy and package them all.
Maybe they buy Sterlings, package them, and cataloge them with teh same number?
Regardless, they are in the Sterling cataloge.------------------
Alex Denysenko
Co-Administrator and Moderator NHRA/IHRA/SRA member and licensed Superstock driver
MCA member# 53321
NHRA and IHRA SS/LA & SS/MA National Record Holder '00,'01,'02,&'03
First SS/MA in the TENS!
IHRA division 5 Superstock Champion
Fleet of FoMoCo products including 88 ASC McLaren Mustang #28 The Barry of BarrysGrrl Quote #1: "I never met a magazine mechanic I liked."
Quote #2: "Make sure brain is in gear before engaging mouth!"
Quote #3: "If you can't run with the big dogs, stay on the porch!"
www.moneymakerracing.com
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NewRider
Journeyman Posts: 52
From: Terre Haute, IN
Registered: Jan 2004
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posted 01-12-2004 01:11 AM
Thats like buying a Coke and the can is filled with Sam's Cola.... They should be ashamed. But all things aside, thank you. Didnt realise they didnt manufacture their own cast pistons. Sincerely,
NewRider
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Buster
Gearhead Posts: 1553
From: Hurricane alley
Registered: May 2002
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posted 01-12-2004 08:29 AM
That's like Ford Motorsport repackaging TRW pistons, valves, pushrods and selling them as Ford Motorsport sometimes to lazy to take them out of the TRW box and just placing the TRW box inside the Ford box... nah, Ford would never do that.... :/
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