I just read a few very negative posts about Delta cams
on the internet . They seem to have a problem of losing
camshafts on customers .
I'd try , Oregon Camshttp://www.oregoncamshaft.com/
You'll need a full set of ( 12 ) " Chilled Iron Base "
your FORGED STEEL CAMSHAFT .No other
look a likes will be metal to metal compatible .
Stay away from any recently made lifters or made in china junk .
On ebay , there's a full set of aftermarket lifters made way back when .
They are made in the USA by a very good quality aftermarket company ' Wohlert's ' .
They are old time aftermarket lifter replacements for the original GMC
" Chilled Iron Based "....Lifters......GMC # 2194006 .
Go to ebay & type in the search box..........2194006
A set of Wohlert's lifters will show up @ $150.00 for the set of ( 12 ) .
Then you can send your cam out to be reground .
If you are serious about getting your engine running again . I would not pass up the chance to get
these old time scarce lifters .
These " Chilled Iron Base " lifters CANNOT
be used with any cast camshaft .