NA Motor Discussions regarding N/A KA24E, KA24DE, and SR20DE

rear bumper melting

Old 11-25-2007, 08:27 PM
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rear bumper melting

ok since i gotten the car up and running i have no problems at all..butt after ahile my rear bumper is coated with black sute, and melteing,
also it back fires on idle butt i think thats b/c i have ****ty plugs in it and havent changed them since i got it running, also i replaced cap rotor and wires ext and have no vacume leaks, runs fine all day with no problems

i like to fix this issue and have a clean rear end.
its a single cam if ur all r wondering AND i have no ecu codes at all..

can it be my o2sensor?
any ideas

also on a side note i would like to convert to power windows, ill be getting the doors and wireing to it. is it a simple plug and play or am i gona have to run wires?
buddy of mine is partying out his 240 and i got first dibe..
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Old 11-25-2007, 09:32 PM
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you're probably running rich and your timing could be off.
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Old 11-25-2007, 10:01 PM
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u sure about that cuz the motor only has 100k mile on it and it starts up fine and runs great

then again i am loosing oil and i have no leaks under the car at all
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Old 11-25-2007, 10:20 PM
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timing being off and running rich have nothing to do with the mileage.

now loosing oil is another thing. the question now is how much oil and in how much time.
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Old 11-26-2007, 01:54 AM
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Originally Posted by FinaL View Post
then again i am loosing oil and i have no leaks under the car at all
You could be leaking oil into the cylinders.
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Old 11-26-2007, 03:38 AM
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back fire can come from any component in the ignition system

coil
dizzy
wires
plugs
etc

all of it has to be on the same page bro no if and or buts..

check all that out and come back also you may wanna run and ecu diagnostic that could tell you something.. if you don't know how to do so, check out the how-to section for help with that.
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Old 11-26-2007, 07:00 AM
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Originally Posted by jramosthe1st! View Post
timing being off and running rich have nothing to do with the mileage.

now loosing oil is another thing. the question now is how much oil and in how much time.
i loose about 2quarts a month
iv done a compression test and read 200 across all cyclenders.
i am wanting to say it might be my plugs cuz they are auto lites and i just havent had time to replace them yet.
i also did an ecu diagnostic and no codes come up so i kno thats all good
butt what about the o2 diagnostic, well idk cuz i cant seem to figure out how to read that setting
it is a single cam
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Old 12-01-2007, 12:13 PM
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well it got alot worse it does turn out i have ablown head gasket and just in the nick of time i was just givein another motor for free
another single cam, so i plan to do the swap tonight, and as for the bad motor im gona build it up abit

forged pistions, rods, port and polish head

any other mods i can do to a single cam so later down the rd i can boost it?
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