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Old 03-03-2008, 04:31 PM
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Tom.A Tom.A is offline
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Default HP Loss with a 9" Ford Rear

I have heard before that using a 9" Ford rear end in place of GM 12 Bolt there is a loss in power. I don't know if this is fact or not, but if it is fact does anybody know how much of a loss? Very little as in 5HP(RWHP) or greater? Also how does a IRS compare?

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