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Original Message
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| RE: If I understand the design difference... |
| By Gerry Proctor - 12/10/2003 7:38:13 AM; IP 207.133.188.254 |
The later head uses individual stud-mounted rockers in place of the shaft-mounted rocker. If that's the case, close isn't going to be good enough. While the rocker geometry is constant with a shaft system and you can get away with pushrod length differences, it is inconsistent with individual rockers (whether they're paired or not) and you will need the proper length pushrods to accomodate that system. Not that your existing pushrods won't get the engine running but that the rocker geometry could be significantly off and cause excessive loading on the valve guide and lead to premature wear and failure.
Pushrods are cheap. Get the ones specified for your engine/cylinder head combination. |
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