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Hey guys long time lurker, first time poster (so be gentle haha).

I have the opportunity to purchase an rb26 head on the cheap (very cheap) however it has one of its cam caps damaged (last one on intake).

Anyways I have read mixed things about broken cam caps from when they break then the head is pretty much scrapped to just putting another in and being done with it (dodgy).

My first question is, is it possible to have an rb25 cap put into an rb26s place and just line bore/hone the hole out to the right specs if I supply the cam to a machine shop?

Also if this is possible, my second question is how reliable will this method be? Like will there be any difference in regards to wear and potential breakage from a stock bore?

Basically what I'm asking is can it be done? Is it worth getting done? And is it going to be just as reliable as stock?

Regards,

Ben

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Which part is broken are you saying its the cam cap or actually in the cylinder head? Also how is it broken and where? If its the cap then there is a possibility you can source another but you will need to then have it line bored at a machine shop to make sure it's true, but by the time you do all this it may end up cheaper to just source another cylinder head that is in better shape. Don't forget that it won't just be the line bore expense but also a skim, pressure test and while your at it have the valves checked, guides and cam clearance also checked and adjusted add required. I hope when you say its cheap its $200 cheap because it can add up quickly if you want it to be right. My advice find a cylinder head that has low kms and start with that, or if you can afford it new is best. Hope this helps you

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