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post #1 of 2 (permalink) Old 05-14-2019, 10:15 AM Thread Starter
 
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Push Rods

Hello, does anyone know the length of the pushrod when using Edelbrock D port heads on a 65 389? Cam is an SP7, replacement for the 068.
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post #2 of 2 (permalink) Old 05-14-2019, 07:14 PM
 
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Originally Posted by mdbs9337 View Post
Hello, does anyone know the length of the pushrod when using Edelbrock D port heads on a 65 389? Cam is an SP7, replacement for the 068.
Purchase a pushrod checking tool and measure it yourself to ensure you get the correct length so your rocker arm geometry is correct - don't guess or rely on others as engines can be different with regards to lifter type/brand, valve installed heights, rocker arm ratio's, machine work, head gasket thickness, etc.. Then order the length you need.
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  Pontiac GTO Forum > The 1964-1974 Pontiac Tempest, Lemans & GTO > 1964-1974 Tempest, LeMans & GTO Engine Tuning and High Performance

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