Gaining Horsepower By Pulling A Couple Fuses!

[Apex Motorsports]

Originally Posted by CDN SS

Just pulled them, let's see what happens in the morning.

It might just help. Never hurts to do it every so often.

[CDN SS]

Originally Posted by Apex Motorsports

It might just help. Never hurts to do it every so often.

Might just be my imagination but the car seems to really have more power.

[Apex Motorsports]

Originally Posted by CDN SS

Might just be my imagination but the car seems to really have more power.

In that case it was probably on the low octane map.

[Muscle Car Memories]

Originally Posted by Apex Motorsports

In that case it was probably on the low octane map.

This is bogus, 2nd time ive did it. Left out fuses for 13 hours and reinstalled them and no difference.

[Apex Motorsports]

Originally Posted by Muscle Car Memories

This is bogus, 2nd time ive did it. Left out fuses for 13 hours and reinstalled them and no difference.

If you your car has only had good fuel in it then it will not have dropped to the low octane map and the fuse pull will not accomplish anything. It is not bogus, your car just didn't need it.

[ddaman922]

I just did this on my '14 ls3 and it seemed healthier. Not sure if it's a placebo effect or for real, either way I'll take what I can lol. Thanks

[Apex Motorsports]

Originally Posted by ddaman922

I just did this on my '14 ls3 and it seemed healthier. Not sure if it's a placebo effect or for real, either way I'll take what I can lol. Thanks

No problem.

[TPAJETSKI]

I've done it twice and haven't noticed any change. The second time is after I filled my truck with regular and instead of resetting the pump to premium went directly to the Camaro and filled it. Doh!!! So I know it had low octane in it. At the next fill up I filled with premium and pulled the fuses. I noticed nothing. I'm certain it doesn't hurt anything to try but I'm skeptical that it does anything. You would think with all the experts and tuners here someone could do a test and conclusively show whether it works or not. Maybe somebody has, but I haven't seen it.

[Apex Motorsports]

Originally Posted by TPAJETSKI

I've done it twice and haven't noticed any change. The second time is after I filled my truck with regular and instead of resetting the pump to premium went directly to the Camaro and filled it. Doh!!! So I know it had low octane in it. At the next fill up I filled with premium and pulled the fuses. I noticed nothing. I'm certain it doesn't hurt anything to try but I'm skeptical that it does anything. You would think with all the experts and tuners here someone could do a test and conclusively show whether it works or not. Maybe somebody has, but I haven't seen it.

Do you think we made up the info in the opening post just to give people something to do? What would be the benefit to us of providing BS info that could be proven false? Feel free to ask any third party Camaro tuner about the low/high octane tables. It is a feature that is plain as day to see and is common knowledge.

[Mean Green Z28]

still stock, but when I reflashed my PCM to disable the skip shift, I also copied the high octane table values into the low octane table ... lol

[Apex Motorsports]

Originally Posted by Mean Green Z28

still stock, but when I reflashed my PCM to disable the skip shift, I also copied the high octane table values into the low octane table ... lol

When you tune the car it is an easy fix. Never have to worry about it again.

[prostcj]

Posted in error.

[TPAJETSKI]

Originally Posted by Apex Motorsports

Do you think we made up the info in the opening post just to give people something to do? What would be the benefit to us of providing BS info that could be proven false? Feel free to ask any third party Camaro tuner about the low/high octane tables. It is a feature that is plain as day to see and is common knowledge.

You are awfully testy for a forum vendor. I only stated my impression after I did the fuse pull and that I'd never seen any test results confirming the benefit. I have no doubt there are different fuel maps. What I questioned is that once knock or reduced octane is no longer detected after a set period that the computer wont revert back to the high octane map on its own. Hell, 30 years ago OBD I would go back to closed loop if the problem that set the SES light didn't recur after a set amount of time. Nevertheless, all I stated was that I'd like to see an actual test, one that shows that the fuel map will not return to high octane unless you do the fuse pull.

[Apex Motorsports]

Originally Posted by TPAJETSKI

You are awfully testy for a forum vendor. I only stated my impression after I did the fuse pull and that I'd never seen any test results confirming the benefit. I have no doubt there are different fuel maps. What I questioned is that once knock or reduced octane is no longer detected after a set period that the computer wont revert back to the high octane map on its own. Hell, 30 years ago OBD I would go back to closed loop if the problem that set the SES light didn't recur after a set amount of time. Nevertheless, all I stated was that I'd like to see an actual test, one that shows that the fuel map will not return to high octane unless you do the fuse pull.

No testiness on my part. All I was saying is that is no need for a test of study of some kind because it is all very easily verifiable.