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Old 10-18-2012, 05:45 PM
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building vortec motor Help

hey,
im builing a vortec motor motor with a comp cam roller cam in it with some comp cam hydraulic lifters also Self-Aligning Rocker i was wondering if i could use the same stock Pushrods or do i have to get some stronger pushrods??

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Old 10-18-2012, 06:08 PM
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Unless you changed to a higher lift cam and/or stiffer valve springs, the stock pushrods will be fine BUT you have to check the geometry of the valvetrain to find out if the stock pushrod length will work.
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Old 10-18-2012, 06:56 PM
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Here's a link to CompCams site explaining pushrod length....
COMP CamsŪ - Pushrods
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Old 10-18-2012, 09:38 PM
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What kinda cam/lifters came out of it...what parts are you re-using?
Factory roller lifters use a different pushrod length
Aftermarket retro lifters use a different pushrod length
Flat tappet lifters use a different pushrod length
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