T O P I C R E V I E W
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Ray94GT
Member # 13285
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posted
sup Cafords,
i notice that my mustang have this weird pop or backpressure coming out of the end of my tail pipe. Its not crazy pop or anything but i feel a pressure coming from the tail pipe every 5 second. Car idles and drives fine. please give me some advise. mods are only h pipe and flows.
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03SlowMach
Member # 13850
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posted
Have you checked the spark plugs?
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Ray94GT
Member # 13285
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posted
I changed the spark plugs to autolite copper recently. They told me its pregap so I just installed it without checking the cap. I figured it's pre gap. Can that be the issues?
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70stang351w
Member # 9948
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posted
always check the gaps; got a vid of said popping think it might help also
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Ray94GT
Member # 13285
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posted
quote: Originally posted by 70stang351w: always check the gaps; got a vid of said popping think it might help also
i dont have one uploaded but i can text it if you PM me your number.
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92_5.0
Member # 7624
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posted
quote: Originally posted by Ray94GT: I changed the spark plugs to autolite copper recently. They told me its pregap so I just installed it without checking the cap. I figured it's pre gap. Can that be the issues?
9 times out of 10, pre-gap plugs need to be re-gapped
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Ray94GT
Member # 13285
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posted
i'll try that and let you guys know. thanks!
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Ray94GT
Member # 13285
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posted
TUrned out pregap isnt really pregap loL! out the box the spark plugs were at 0.44 and i had to set it back to stock specs .054. Geez. i should always check the gap before installing new spark plugs.
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