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Old 07-14-2010, 03:59 PM   #14
motornut
78K & 79C Jimmys
 
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Join Date: Nov 2009
Location: Ottawa Ont CANADA
Posts: 7,901
Re: Riddle me this? Parts ?????

The heat riser valve ??,i have bent back the nib for it to stay open (nib on the pipe)also you can tack it open(reqires wielder)... drill hole in pipe close to valve, use coat hanger to push in, bending it up towards it, you should feel the valve open up,to go past it(be sure your not closing it),tack it,out on sides if no nib,wield drill hole closed


the cruise control rod is the long skinny with the slot ,on the rod that sticks out,should unscrew,you may have some air leaks around the connections ,on ones i've seen the big vac line cracks low around the connection
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1978 GMCJimmy4X4-350/203
1979 GMCJimmy4X2-305/350
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