what year x-members?
 

i have a 67 gmc, and want to find an engine xmember to pancake eventually, wondering what years and models will be the same to help me in my junkyard shopping adventures. are the 73-87 the same? and also in my 67-72 generation "and 73-87 if they are the same. will the c20 and 30 models be the same? and also maybe suburbans? would like to know what to look for cause i havent seen many 67-72s in the yards i shop, and if i could get lucky id like to find one that even has the engine pulled to make is easier.
so anybody who knows the facts please help me out
Thanks

Re: what year x-members?
 

'73-'87 pick ups c10 and c20 (not sure about c30)
'73-'91 suburbans and 2wd blazers
those are the ones i know, may be more........