Hello folks

Can any kind soul please tell me if an mc28 crank will fit into mc18 r5k crank cases ?

One of my r5k big end crank pins has pitted slightly so Grampian say it is scrap and will not rebuild it for me unless I can supply a replacement centre web that has good condition main and big end pins.

I have the opportunity to buy a mc28 bottom end that has recently been rebuilt by SEP in Kegworth but I need to know if the mc28 crank will fit my mc18r5k crankcases? or would it be more sensible to use the healthy mc28 bottom end with my mc18r5k barrels/heads/carbs ect ?

Any opinions/info will be greatly appreciated!

cheers

Andy