Thread: The 1978 Sierra Build - I NEED YOUR HELP
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Old 11-10-2015, 09:57 AM   #12
motornut
78K & 79C Jimmys
 
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Location: Ottawa Ont CANADA
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Re: The 1978 Sierra Build - I NEED YOUR HELP
If thats dirt and grease ,diesel,it will break down,or engine shampoo
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John
1978 GMCJimmy4X4-350/203
1979 GMCJimmy4X2-305/350
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