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Old 04-27-2015, 09:53 AM   #1
kakluote
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bad gasoline? Got -12 timming pull

try to make the race fuel by toluene,

now i am getting -12 timming pull in both light and full throttle open,

looks like engine is going to protection mode or something.

After reset the ecu timming pull will go back to 0, while after a short run it will go back again

My firends, any idea?
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Old 04-27-2015, 09:58 AM   #2
RGTI13
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I didn't even know the ECU could pull 12. I thought 10 was the limit?

Yeah, stop doing pulls and runs with 12 degrees of timing pull.

Didn't I say not to do that? You used too much toluene and it's not combusting. Drain it out and put normal gasoline in and drive like a normal person for 100 miles.


If it's not combusting, you could damage something depending on how much fuel it's dumping.
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Old 04-27-2015, 10:08 AM   #3
kakluote
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Quote:
Originally Posted by RGTI13 View Post
I didn't even know the ECU could pull 12. I thought 10 was the limit?

Yeah, stop doing pulls and runs with 12 degrees of timing pull.

Didn't I say not to do that? You used too much toluene and it's not combusting. Drain it out and put normal gasoline in and drive like a normal person for 100 miles.


If it's not combusting, you could damage something depending on how much fuel it's dumping.
yes, buddy you are right...lucky that i won the event with 201km trap speed

bad gasoline will also cause low boost, right?

i got a cel "request boost not meet" in 6800 rpm
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Old 04-27-2015, 10:10 AM   #4
RGTI13
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Quote:
Originally Posted by kakluote View Post
yes, buddy you are right...lucky that i won the event with 201km trap speed

bad gasoline will also cause low boost, right?

i got a cel "request boost not meet" in 6800 rpm
Could be because it's putting the ECU in a "safe mode" at the best case. Congratulations at the top speed.

How much toluene did you use? How much 91?
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Old 04-27-2015, 10:16 AM   #5
kakluote
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Originally Posted by RGTI13 View Post
Could be because it's putting the ECU in a "safe mode" at the best case. Congratulations at the top speed.

How much toluene did you use? How much 91?
10 litter with 20 little 91
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Old 04-27-2015, 10:28 AM   #6
RGTI13
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Quote:
Originally Posted by kakluote View Post
10 litter with 20 little 91
So a 1/3 mixture? Not as major as I would have thought.


Switch your tune to a 91 tune and see how much timing pull you're getting. If you're not getting timing pull on the 91, it's just because the 100 octane tune is still too much for the mixture you made.
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Old 04-27-2015, 10:37 AM   #7
kakluote
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Quote:
Originally Posted by RGTI13 View Post
So a 1/3 mixture? Not as major as I would have thought.


Switch your tune to a 91 tune and see how much timing pull you're getting. If you're not getting timing pull on the 91, it's just because the 100 octane tune is still too much for the mixture you made.

already switch back to 91 tune, still get -12 both in light or full accel, even in idle, i put throttle a little open, -12....

it looks like ecu is going into a protection mode...
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