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Re: Decking 452 heads on 413
[Re: maximus]
#78200
06/22/08 07:48 PM
06/22/08 07:48 PM
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Anonymous
Unregistered
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Anonymous
Unregistered
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i promise you those untouched hardened seats after 30+ years are no longer doing their job.
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Re: Decking 452 heads on 413
#78201
06/22/08 09:38 PM
06/22/08 09:38 PM
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Joined: Aug 2003
Posts: 12,291 Kent, Wa
340SHORTY
Truck Nut
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Truck Nut
Joined: Aug 2003
Posts: 12,291
Kent, Wa
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I hear that a .050 cut will only gain you .5 piont of comp..
I am truckless..
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Re: Decking 452 heads on 413
[Re: maximus]
#78204
06/23/08 11:17 AM
06/23/08 11:17 AM
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Anonymous
Unregistered
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Anonymous
Unregistered
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Don't know about the Speed Pro, but I did some calculations on what were advertised as 9.7:1 CR off-the-shelf 413 pistons a few years ago, based on the dimensions supplied, and came up with they were gonna be something like .080 below the top of the block at TDC.
Might be better to spend a few hundred $$$ on some custom pistons that actually fit like you want them to.
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