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Old Mar 9, 2002 | 01:34 AM
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Default Help Ohio Pistions

My mechanice got me some Ohio forged 11:1 pistons, are these any good or are they crapy hurry because they might be put in tomorrow
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Old Mar 9, 2002 | 01:35 AM
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Default Re: Help Ohio Pistions (Cory1970)

Any help would be greatly appriceated?!/!?!?!?!?!? :confused: :confused: :confused: :confused: :confused: :confused:
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Old Mar 9, 2002 | 01:45 AM
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Default Re: Help Ohio Pistions (Cory1970)

I think there just cast pistons. Is this what you wanted? I saw something about them being rated for 400HP. Does that suit your specifications? You aren't going to be usings NOS or a Blower are you?

Cast pistons will last a long time as long as you dont exceed their capability. I wouldn't push the compression either, because I wouldn't want to do anything that may RATTLE them!

Good Luck

KM
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Old Mar 9, 2002 | 01:55 AM
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Default Re: Help Ohio Pistions (88-406)

My mechanic seems to think these things are forged, i don't know ....does ohio makeforged pistons???????? :confused: :confused: :confused: :confused: :confused: :confused: :confused: :confused:
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Old Mar 9, 2002 | 08:05 AM
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Default Re: Help Ohio Pistions (Cory1970)

They are a dense cast piston.Not forged.Usually run on "claimer" engines.If your mechanic/machine shop thinks otherwise might be time for new mechanic /machine shop or you furnish all the parts.

TRW L2256F Forged would be a better choice in my opinion.

What heads are you using?
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Old Mar 9, 2002 | 08:52 AM
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Default Re: Help Ohio Pistions (mountainmotor)

I have the clasic chevy double hump heads with 2.02 valves, what compression are thoes TRW
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Old Mar 9, 2002 | 09:41 AM
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Default Re: Help Ohio Pistions (Cory1970)

They are Flat top with 4 valve reliefs. 9.75 compression with your heads and a Felpro head gasket. $214.00 and will last a very long time and take much abuse.Well worth the $100 or so extra bucks.They are near slipper skirt design and will knock a little when cold.

What cam and intake manifold and carb are you going to use?


[Modified by mountainmotor, 7:44 AM 3/9/2002]
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Old Mar 9, 2002 | 03:59 PM
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Default Re: Help Ohio Pistions (mountainmotor)

I need an 11 to 1 piston. I am runnin a 274h extream engergy cam with a 490 lift and a Edlebrock Air Gap RPM intake and a Holley 750 double pumper. Are you sure they don't make ohio forged pistons :confused:
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Old Mar 9, 2002 | 09:13 PM
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Default Re: Help Ohio Pistions (Cory1970)

10.1 is plenty for that cam.You will find youself singing the detonation blues.That song is not pretty even with Whitney Houston singing it.

What rear gear and trans?

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Old Mar 11, 2002 | 05:17 PM
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Default Re: Help Ohio Pistions (mountainmotor)

well the motor orginaly had 11 to 1 pistons in it, i have a 373 i beleve, with a 4speed M21
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