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Old 03-08-2023, 03:51 PM
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NeighborsComplaint NeighborsComplaint is offline
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Join Date: Aug 2009
Location: Elgin
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Originally Posted by HWYSTR455 View Post
So you gave Butler the length your builder provided and they shipped you the pushrods requested.

You should ask them about using BBC rockers, see what they say.

Bookmark this thread for future reference.

.

Already called it after the first motor broke. It's the rockers.

Interesting tidbit ... assume for the moment the OP was running the Lunati 712 cam in the ill-fated motor. With 1.7 ratio rockers his lifts were .606"/.623" (I/E). If the rockers were 1.8 ratio, .642"/.660" (I/E). If the cam was the 713 , then .634"/.640" (I/E) w. 1.7 rockers and .671".678" (I/E) w. 1.8 rockers.

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Last edited by NeighborsComplaint; 03-08-2023 at 04:26 PM.
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