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24V rods and pistons in a 12 V?

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Old 05-26-2008, 10:27 PM
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24V rods and pistons in a 12 V?
Will 24 valve rods and pistons fit in a 12 valve?
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Old 05-27-2008, 04:14 PM
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They will fit, but the bowl placement in the piston is different between the engines.
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Old 05-28-2008, 02:48 AM
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Originally Posted by ~Angry Tractor~
Will 24 valve rods and pistons fit in a 12 valve?
Is that 24v VP pump or 24v CR?

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Old 05-28-2008, 06:52 AM
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VP, 2001 model. I need some pistons for a 12V project and saw some 24V on Fleabay. I just wondered what the difference was. Thanks.
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Old 05-28-2008, 07:29 AM
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It will work if you put a 24v head on it too.
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Old 10-20-2009, 01:56 PM
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Sorry, I am kinda highjacking your thread. I have a 12 valve p-pumped 1st gen truck and was wondering if I have to change the cam to go to a 24 valve head?
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Old 10-20-2009, 04:06 PM
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You'd want to, the 24v has a rocker ratio somwhere around 1.3:1, whereas the 12v has a 1.6:1 ratio. You won't get the lift that you'd want with the 12v cam with the 24v rockers.
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Old 10-21-2009, 06:16 AM
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Thank You
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