Posts: 20 From: Sumner, WA USA Registered: Dec 2001
posted 12-14-2001 10:40 AM
Whats the largest lift figures that a stock 289 can handle, before having to flycut the pistons? By stock I mean no notched pistons or different rockers or pushrods.
Posts: 9936 From: Lyons, IL, USA Registered: May 99
posted 12-14-2001 11:02 AM
With appropriate valve springs about .550 or so lift. With stock valve springs about .440 lift.
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