Offshoreonly.com - valve cover

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supermx96

05-13-2012 09:35 PM

valve cover

I have changed the cam for hyd roller on my 525sc and i dont know if the stock valve cover is enought tall for the new lift, i have 365 lift at cam with 1.7 rocker ratio = .620 lift at valve. the rocker is scorpion marine.

Anybody have try this lift number with that cover?

endeavour32

05-13-2012 09:43 PM

Are you running the finned covers? If so you should be fine, there is a lot of room under those covers.

mike tkach

05-13-2012 09:48 PM

it will clear ,lots of clearance under the cover.

supermx96

05-13-2012 09:59 PM

Quote:

Originally Posted by endeavour32 (Post 3686652)

Are you running the finned covers? If so you should be fine, there is a lot of room under those covers.

no thas is not the fine cover this is the blue one with the crome and mercruiser logo on top (525sc gen 6)

gsxr1216

05-14-2012 06:01 AM

If they have "drip tabs" in them they will probly hit. i'm at .630 lift with scorpions and had to cut the tabs off. i rolled the motor over by hand with with the valve cover mounted but not bolted down and i could see the cover moving around.

mine looked like this ebay auction.

http://www.ebay.com/itm/Mercruiser-4...3c96ff&vxp=mtr

Griff

05-14-2012 11:18 AM

Quote:

Originally Posted by supermx96 (Post 3686667)

no thas is not the fine cover this is the blue one with the crome and mercruiser logo on top (525sc gen 6)

There is plenty of room for that much cam lift under the stock valve covers. You may have to radius a couple corners on the rocker arms to clear the baffles around the fill holes.

The drip tabs are already ground off from the factory.

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