overheat exhaust
07-20-04, 10:17 PM
#1
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overheat exhaust
i recently put 93 octane gas in my 88 gtu for the first time since i've had it and it ran fine. i got home and washed it. when i got ready to start it to back out of the yard it would barely start. and even after it did it wouldn't idle. later my boyfriend and i discovered that after it had been on for only 2 or 3 minutes the cat was glowing red hot. a friend of ours who has a 240sx said the same thing happened to his car after using 93. i was wondering if this could be the problem or is it the timing is off or both?
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Kris
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Kris
07-20-04, 10:21 PM
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You have a N/A car, you shouldn't be running 93 Octane through it. You should run 87 Octane.
The glowing cat, would lead me to believe, that the cat is clogged. Get a pipe to replace, or get a new cat.
The glowing cat, would lead me to believe, that the cat is clogged. Get a pipe to replace, or get a new cat.
07-21-04, 08:43 AM
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Higher octane in an NA is a waste. There are zero benefits, even in theory. Slower burn means more deposits, lower power and more $. Anyway, this is in no way related to the problem with the car. The cat is probably clogged, happens all the time. Try a bonez as a cost effective replacement or get a test pipe.
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