There a couple of carbs used on that motor. Was it a Zenith or a Stromberg? You could probably find a replacement on eBay for short money. You can probably throw a Rochester on there to get it running again in the short term.

http://motors.shop.ebay.com/i.html?_nkw=gmc+strom*&_sacat=&_sop=10&_dmpt=Motors_Car_Truck_Parts_Accessories&_dmd=1&_odkw=gmc+zenith&_osacat=0&bkBtn=&_trksid=p4506.m270.l1313
Kits

http://cgi.ebay.com/ebaymotors/Carb...arts_Accessories&hash=item209a0c3f79
carb-not the best deal

Last edited by k10; 07/16/2010 3:02 PM.