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backfiring?

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Old 01-31-2007, 01:48 AM
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ruststang217
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Default backfiring?
ok mods are in my sig and its an 87 GT.

when i go WOT and shift at about 5,300 it back fires. is this really a bad thing? it didnt do it before i put the long tubes on. anyone elses car back fire?
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Old 01-31-2007, 01:52 AM
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Mowin8603
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Default RE: backfiring?
sorry.. ^that was me.
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Old 01-31-2007, 01:59 AM
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greenstreak9205
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Default RE: backfiring?
it might be sucking in cold air because of an exhaust leak? you said it only started until after you put the long tubes on so it points in that direction
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Old 01-31-2007, 02:09 AM
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Mowin8603
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Default RE: backfiring?
ya thast kind of what i was thinking but there are no leaks..

would bumping my timing fix the backfiring?
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Old 01-31-2007, 02:39 AM
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tjmon1
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Default RE: backfiring?
How many miles are on your motor? You might have some weak valve springs. Does it seem to float and fall on it's face around those RPM's?
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Old 01-31-2007, 04:14 AM
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Mowin8603
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Default RE: backfiring?
just rolled over 105,000 documented miles.[/align][/align]it seems to pull real strong up to like 5,800. but i dont go there often.[/align]
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