1977 gmc siarra grande
#1
04-30-2012, 10:36 AM
1977 gmc siarra grande HELP ...rookie
i lose power and fuel when going up hills. truck runns good on flat land .pleace help
Last edited by duckboyinc@yahoo.com; 04-30-2012 at 11:07 AM. Reason: help .... truck rookie
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