dart big m chevy block

Old 07-21-2009, 12:47 PM
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taps
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Default dart big m chevy block

does this block take the 300 taller lifters with solid roller?also will this effect pushrod length or is the cup in the same spot with just a taller body?
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Old 07-21-2009, 07:24 PM
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hammertime
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Cup is in the same spot just taller body. A lot of people use them.
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Old 07-21-2009, 07:52 PM
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hink
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Default Re: dart big m chevy block

Originally Posted by taps
does this block take the 300 taller lifters with solid roller?also will this effect pushrod length or is the cup in the same spot with just a taller body?
Use the tall ones
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Old 07-22-2009, 04:30 AM
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supergass
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Have your machinist check the clearance on the lifter bores. Both my blocks had to have the lifter bores hone to the proper clearance. It can be catastrophic if the lifters stick . Needs about .0015 to .002
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Old 07-24-2009, 09:21 PM
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x 2 supergass
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Old 07-25-2009, 06:53 AM
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Originally Posted by ashbros
x 2 supergass
X3 but make sure the machinest knows what he is doing. Those lifter bore hones cut fast.

Dave
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Old 07-25-2009, 11:39 AM
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I'd hope any place you guys took your stuff to would check this .. if not run !
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Old 07-26-2009, 04:05 PM
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supergass
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Originally Posted by hammertime
I'd hope any place you guys took your stuff to would check this .. if not run !
Well you would think so but two different machinist around here didnt check it and one had lifter seize on the dyno and hit valves.
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