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Oliver 77 rockers

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cwj

09-07-2002 11:53:28

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can anyone tell me where i can get a aftermarket rocker arm assembly ? i have ran out of adjustment on them with this camshaft. any help would be welcome. this a 77 oliver gas

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bigmotors

09-10-2002 23:51:44

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Re: oliver 77 rockers in reply to cwj, 09-07-2002 11:53:28

404cu. or 466cu. John Deere rocker arms/ you have to make some stands/put briggs & staiton buttons on them. You have to run them a little loss. 429 Ford rockers work as well.
Good Luck!

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Goldsburg

09-09-2002 08:36:41

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Re: oliver 77 rockers in reply to cwj, 09-07-2002 11:53:28

CWJ -

Without knowing any more information, it sounds to me like you just either need shims under the stands of your existing rockers or need to set the stands up in a mill and machine some off of the bottoms. These are the two methods that I use to modify the adjustment range of the rockers.

Aftermarket, or high-ratio roller tip rockers, may not necessarily solve the problem that you are describing. If you want increased valve lift and a decrease between advertised and actual duration (for the same cam) then high-ratio roller tip rockers are for you! On most engines the higher lift will result in a modest increase in airflow, which is nice too!

If you want or need more info, please feel free to post here or email me...

Regards,

Goldsburg
goldsburg@att.net

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