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27formula 08-19-2020 08:42 AM

Cam
 
Built a 496 with EQ heads and this roller cam. Running gill exhaust and the mercruiser wet risers. Wondering if anyone can tell me if reversion will be an issue? Was going to modify and make dry but if I don’t have to I won’t.
https://cimg5.ibsrv.net/gimg/www.off...5d6f95d104.png

F-2 Speedy 08-19-2020 09:01 AM

whats the lsa ?

SB 08-19-2020 09:25 AM

Original Hp500 had same exhaust but smaller cam with much less overlap and had reversion issues. Merc then came out with a much taller riser to create a larger rate of fall to combat this, merc still provided instructions how to clear out after extended idling.

Updated version:

https://cimg7.ibsrv.net/gimg/www.off...07ce82345.jpeg

TomZ 08-19-2020 09:36 AM

Looked it up for the OP.... Looks like it's a Howards hydraulic roller - 114 LSA.

27formula 08-19-2020 10:02 AM


Originally Posted by f-2 speedy (Post 4753606)
whats the lsa ?

114

27formula 08-19-2020 10:04 AM

Looks like I will have to modify and make them dry. Thanks guys.

F-2 Speedy 08-19-2020 10:09 AM

is the rotating assembly cast or forged

27formula 08-19-2020 10:27 AM


Originally Posted by F-2 Speedy (Post 4753627)
is the rotating assembly cast or forged

forged.


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