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L83 and BTR Stage 3 Cam


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I have a BTR Stage 3 however it’s in a 6.2. So it probably is roughly equivalent to a Stage 2 in a 5.3. There is some bottom end loss but in my case it’s more driveable because with the stock cam and high compression it was quite prone to detonating unless on e85. Same highway mpg though! 
 

lift is actually a bit less than stock. But the duration makes the valves dwell longer therefore PTV clearance might potentially be an issue. Mine is locked out entirely. 

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