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more power: firecraters or stepped heads

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Joined: 28 Nov 2011
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PostPosted: Fri Dec 28, 2012 7:33 pm    Post subject: more power: firecraters or stepped heads Reply to specific post Reply with quote

i currently have firecrater pistons in my h and m and have been very impressed with them, but am about to build a 450 block to go in the m and currently have firecrater 4 1/8 pistons for it. It needs sleeves and i noticed stepped head pistons seem to be more common, so which makes more power/ compression?
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Joined: 07 Nov 2007
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PostPosted: Sat Dec 29, 2012 4:10 am    Post subject: Re: more power: firecraters or stepped heads Reply to specific post Reply with quote

that old 450 block will wake up when you start getting that compression over 225 . after that you may open up that carburetor .
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