thanks -
not that i am an expert - but i didnt think they made 5 welsh plugs with only 4 mains cranks.allways a learning experience
if you have the 2 speed auto then you will have a narrow block six. the 3 speeds and later (ie XR onwards) have a wide block . this refers
to the gearbox /auto mounting lugs.
i have a narrow block 200 at sitting at home that has a 1/4" adapter plate to go from narrow block to 3 speed auto.
it has the 5 welsh plugs - havent taken the sump off to see if its 4 bearings or 7 bearings.
i would take with a pinch of salt the US book re change of bearings as i this may only apply to american production- not real sure though.
i think the 4 mains are sturdy enough for a 40 year old car to cruise in- unless you are wanting to go every where at 6000rpm.....
the best /easiest swap is to look for a 221 engine- extra power + 7 bearings and 'generally' accepted as being within the +10% eng capacity increase allowed by the rego authorities for engine rebuilds.
there was on ebay a month or so ago a bellhousing to go from ford six to C4.
search australian ebay in completed items for item number:
320210243973.
for a picture - probably by dellow
have alook at this link - bloke putting a 3 speed ( ie BW35) into an XM - which has pics of his hump panel beating.- but its not a C4
http://www.fordforums.com.au/showthread ... ge=3&pp=25
Brett
melb.