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Old 05-27-2009, 05:59 AM
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Pushrod tubing diameter

The pushrod tubing diameter on a sbc is 5/16 right? Just making sure

Thanks David

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Old 05-27-2009, 10:38 AM
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Does anyone know
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Old 05-27-2009, 11:09 AM
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Quote:
Originally Posted by YB2fast
The pushrod tubing diameter on a sbc is 5/16 right? Just making sure

Thanks David
OEM is 5/16s, performance option is 3/8s. Ends are the same for either. If passing thru a guide which will happen for all except self guided rockers, the tubes must be hardened for wear resistance.

Bogie
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Old 05-27-2009, 12:39 PM
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Stocker yes 5/16, but you can use bigger depending on you needs right on up thru 7/16 if necessary. Pushrod length and diameter are directly related to pushrod deflection under load - high lift & pressure. Using the stiffest pushrod is always your best move.
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