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Old 06-26-2010, 03:04 pm   #1
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CM Gas Cap Pressure

My 87 vette will really blow back at you when you un-screw the gas cap. I have removed my air pump and other related emmission equipment. Iam still running my EGR valve. I found two cracked rubber fuel hoses on the driver side rear (behind wheel) that I did replace and some up front closer to the cannister that I replaced also. What else is causing this???
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Old 06-26-2010, 05:52 pm   #2
 
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I have the same thing. Even replaced the cap and all the vacuum lines.

C4C5 Specialist told me in person it's nothing to fret, but if you find a solution, please tell us.

1985 Z51 4+3 trans rebuilt 5.7 TPI,(.10 over) w/ CompCams 12-262-4, 52MM Throttlebody, underdrive pulleys, reworked heads, Hypertech Thermomaster chip, & cat back exhaust
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Old 06-26-2010, 08:56 pm   #3
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Thanks Chuck, I'll take your advice.
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