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David Kysar
 Post subject: Turbo Pistons
PostPosted: Mon Dec 24, 2001 12:03 pm 
Is there a good forged piston with less than 8.5 C.R. for the SL 6?

kysard55@suscom.net
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darren
 Post subject: Re: Turbo Pistons
PostPosted: Mon Dec 24, 2001 7:23 pm 
Quote:
: Is there a good forged piston with less than
: 8.5 C.R. for the SL 6?


not really sure. they say the 2.2 turbo piston is to low to use with a 225 rod but i wonder what the compression would be with the regular 2.2 piston flat top thats suppose to be 9.5 to one in a 2.2 would work out to be with the 225 rod? its part #p4876768 in the mopar performance catalog and its a hypereutectic piston but its listed for a 3.495 bore also. doc said one time that the 2.2 turbo piston worked out to 6. something to one with a 225 rod and regular stroke but i'm not sure what this flat top 2.2 would be. anybody know anything about these pistons?

buddy_37@hotmail.com
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andrew
 Post subject: Re: Turbo Pistons
PostPosted: Tue Dec 25, 2001 7:21 am 
I talked to the guys at forward motion and they said they could get costom j@e forged pistons for 550$ for the set. Maybe if we order 2 sets it will be cheaper?

andrew wagner
Quote:
:
: not really sure. they say the 2.2 turbo piston
: is to low to use with a 225 rod but i wonder
: what the compression would be with the
: regular 2.2 piston flat top thats suppose to
: be 9.5 to one in a 2.2 would work out to be
: with the 225 rod? its part #p4876768 in the
: mopar performance catalog and its a
: hypereutectic piston but its listed for a
: 3.495 bore also. doc said one time that the
: 2.2 turbo piston worked out to 6. something
: to one with a 225 rod and regular stroke but
: i'm not sure what this flat top 2.2 would
: be. anybody know anything about these
: pistons?


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Doc
 Post subject: Re: Turbo Pistons
PostPosted: Wed Dec 26, 2001 10:15 am 
Quote:
: Is there a good forged piston with less than
: 8.5 C.R. for the SL 6?


There were still some forged TRW 2.2 pistons in the Federal Mogal system a while back. There were only "std" size which would be a .045 o/s in a Slant. (3.445)

These are flat tops and must be used with 198 con rods. (7 inch c to c) the top of these pistons are real thick (.375 to .400) so you can adjust the compression down to where you need it by machining the piston top.
DD
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