Tech Tip - PUSHROD LENGTH AND ROCKER ARM GEOMETRY
05-19-2005, 02:37 PM
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Tech Tip - PUSHROD LENGTH AND ROCKER ARM GEOMETRY
A large number of variables are involved in determining the correct length pushrod for your application. Any or all of the following affect pushrod length:
Block Deck Height
Head Deck Height
Head Stud Boss Height
Rocker Arm Brand/Design
Cam Base Circle Size
Lifter Design/Brand/Pushrod Seat Height
Valve Stem Length
Do not assume anything in determining the right pushrod for your new engine. A pushrod that fits one engine may not necessarily work in another. Any number of items can be different on your engine, requiring you to use a different pushrod length. Following the steps below will streamline the pushrod selection process, ensuring that you get the right parts the first time.
Download the attached PDF file to read or print the rest of this article.
Block Deck Height
Head Deck Height
Head Stud Boss Height
Rocker Arm Brand/Design
Cam Base Circle Size
Lifter Design/Brand/Pushrod Seat Height
Valve Stem Length
Do not assume anything in determining the right pushrod for your new engine. A pushrod that fits one engine may not necessarily work in another. Any number of items can be different on your engine, requiring you to use a different pushrod length. Following the steps below will streamline the pushrod selection process, ensuring that you get the right parts the first time.
Download the attached PDF file to read or print the rest of this article.
