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Old 09-21-2012, 11:46 AM   #1
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Fuse pull highly recommended

After seeing some discussion on this forum about the fuse pull. I decided to give it a try. I pulled fuses 5 and 20 overnight. Took the car out to my favorite "closed course" and opened it up this morning. First thing, I can't get the tires to hook up at all in first. I used to be able to roll into the throttle, and it would spin some but catch and pull hard to redline. Now immediately hits the rev limiter.
Then, in second gear, I had figured out exactly where to shift using the onboard shift light. When all dots turn solid. Now, nope hit the rev limiter everytime. Engine is just reving too quickly.
Thirdly, I got a forth gear chirp, at 98mph.
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Last edited by Blown355; 10-17-2012 at 07:41 PM.
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Old 09-21-2012, 12:10 PM   #2
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Awesome, I'm trying it when I get home.
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Old 09-21-2012, 12:12 PM   #3
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Interesting that the fuse pull even works on the ZL1! Can't say I'm really surprised though. It definitely wakes these cars up!
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Old 09-21-2012, 12:49 PM   #4
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Quote:
Originally Posted by Blown355 View Post
After seeing some discussion on this forum about the fuse pull. I decided to give it a try. I pulled fuses 5 and 20 overnight. Took the car out to my favorite "closed course" and opened it up this morning. First thing, I can't get the tires to hook up at all in first. I used to be able to roll into the throttle, and it would spin some but catch and pull hard to redline. Now immediately hits the rev limiter.
Then, in second gear, I had figured out exactly where to shift using the onboard shift light. When all tots turn solid. Now, nope hit the rev limiter everytime. Engine is just reving too quickly.
Thirdly, I got a forth gear chirp, at 98mph.
I'd love to hear a detailed explaination of what pulling fuse 5 and 20 does? It it just the exhaust flap or something else?
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Old 09-21-2012, 12:55 PM   #5
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Pull them and leave them out? Or pull and put back in?
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Old 09-21-2012, 12:58 PM   #6
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i think its pull and leave out.
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Old 09-21-2012, 01:00 PM   #7
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Originally Posted by mrquick68 View Post
I'd love to hear a detailed explaination of what pulling fuse 5 and 20 does? It it just the exhaust flap or something else?
There is a sticky in the V8 sub forum that goes into detail what the fuse pull does. But in short, the Camaro isn't capable of re-learning fuel trims. So once you're in the low octane table you're stuck there. Fuse pull resets the fuel map.
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Old 09-21-2012, 01:06 PM   #8
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what does it do. and does it make a diff. if you have ran 93 oct.
form day 1. or if you had a tune
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Old 09-21-2012, 01:06 PM   #9
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i think its pull and leave out.
car more than likely will not start with those fuse left out this fuse pull just clears the PCM tables so it will be in high octane vs. regular octane fuel table definatly need to reinstall the fuses after the pull just do a search if you don't know vs. guessing false info
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Old 09-21-2012, 01:10 PM   #10
lightning
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Quote:
Originally Posted by KKreme15 View Post
Pull them and leave them out? Or pull and put back in?
Quote:
Originally Posted by lil_red_v6 View Post
i think its pull and leave out.
Nope, it's pull, leave out overnight, put back in.
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Old 09-21-2012, 01:10 PM   #11
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Quote:
Originally Posted by ICTsccaCamaro View Post
car more than likely will not start with those fuse left out this fuse pull just clears the PCM tables so it will be in high octane vs. regular octane fuel table definatly need to reinstall the fuses after the pull just do a search if you don't know vs. guessing false info
aahhh now i understand, i thought it was pull and leave out, thank you.
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Old 09-21-2012, 01:12 PM   #12
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Originally Posted by stieger View Post
There is a sticky in the V8 sub forum that goes into detail what the fuse pull does. But in short, the Camaro isn't capable of re-learning fuel trims. So once you're in the low octane table you're stuck there. Fuse pull resets the fuel map.
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Old 09-21-2012, 01:18 PM   #13
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Originally Posted by stieger View Post
There is a sticky in the V8 sub forum that goes into detail what the fuse pull does. But in short, the Camaro isn't capable of re-learning fuel trims. So once you're in the low octane table you're stuck there. Fuse pull resets the fuel map.
What are fuel trims? How do you "get stuck" in the low octane table? Does one tank of 91 octane gas reset the map at that lower level?
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Old 09-21-2012, 01:19 PM   #14
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Originally Posted by CAM....ZL1 View Post
what does it do. and does it make a diff. if you have ran 93 oct.
form day 1. or if you had a tune
From what I have read if you have been using 93 from the start, it will not require the fuse pull...

But the cars arrive to the dealers with very little gas. Do you think that the little it comes with from GM is 93 though? I'm talking before the dealer fills it...
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