rocker box problems?

[Jiffer]

finaly got the engine running in my mk2 cortina, its a tuned 1600xflow and it seems the rockers are hitting inside the rocker cover, its a BCF2 kent cam with a stanard rocker cover, any ideas people?

[Fiesta Steve]

I've had this problem several times with alloy covers, there's never enough room for large valve springs or for the high lift or the rockers. It just a case of relieving the cover of some alloy, not sure what you can do with a pressed steel cover though.

[JP.]

Make an alloy adapter plate to raise the valve cover.

Just use a gasked as a template.

[Jiffer]

cheers for help, I'll try to get a alloy one and work it to fit.

[Takeshi]

2 gaskets perhaps..?

[wonderfulweasel]

Hi,

 

I had this problem with a standard chromed cover. I carefully widened the cover with a hammer, where the rocker assembly was contacting it.

 

I could see where the contact had been as it had left slight marks on the inside of the cover. In these areas, gave the inside of the cover a tap with a small hammer, to increase the clearance.

 

Obviously you need to be really careful not to cause any movement to the mounting face as this will ruin the rocker cover.

 

I've since changed to an alloy cover, which doesn't seem to have this problem.