L99 / LS3 Fuse Mod. Why Not Try it? - Camaro5 Chevy Camaro Forum / Camaro ZL1, SS and V6 Forums

Gen5SSRS · 08-24-2009, 06:39 PM

After reading the fuse mod threads on resetting the ECM's for the L99, and seeing the improvement. I wondered if the same affect may apply to the LS3? I just completed my pain staking 1500 mile break-in and was working the ECM out of granny mode. After reading the threads I decided to try removing the #5 and #20 fuses for about an hour. I got in and HOLY $#@& here we go!!! We're wide awake now! The car probably would have come around on its own, but no waiting now. I am not suggesting anyone try this, but it worked for me. I'm not saying, I'm just saying. If you're coming out of a break-in period, might be worth a shot.

Van · 08-24-2009, 06:49 PM

Are you sure it wasn't a sort of placebo effect?

patriotpa · 08-24-2009, 06:50 PM

I don't see how it could possibly hurt anything, so why not?

EAkrish · 08-24-2009, 07:03 PM

I wonder if I would benefit from this when I already have a custom tune.....

Gen5SSRS · 08-24-2009, 07:11 PM

Are you sure it wasn't a sort of placebo effect?

Yep, I didn't time the car, but I know my cars. It definately woke it up. Other threads have reported their cars "waking up", I just shortened the process. Note: I may have gotten the same result by horse beating it a few runs like my 4th gen SS, but I didn't have to on this one. I have rolled on the accelerating a few time over the last 100 miles or so with some what dis-appointing results. I rolled on the accelerator after the reset, and the car threw me right back in the seat like it should. Anyway, like I said. It may not work for anyone elses LS3. But it worked for me. I wouldn't have even tried it if I felt my car was running up to par.

broncosman · 08-24-2009, 07:20 PM

I'm at 900 miles now... should be ok for me to do it right? (auto 2SS) and start getting on her a LOT more?

Gen5SSRS · 08-24-2009, 07:27 PM

I would only try this if you're finished with your break-in and unhappy with the power output. The same result could probably be acheived by running the car hard for a few passes. I was more curious to see if resetting the ECM would result in the ability to "quick learn" the driver learning portion of the ECM. That appears to be the Result, soooo, I am happy.

PQ · 08-24-2009, 08:08 PM

I was hoping mine would wake up after my break in period. Like yourself I went by the book. Literally. Wasn't easy. With every passing Mustang and Bonnies big mouth, it was really hard. When I made it to 1500 I was sorely disapponted. Then after almost 6000 miles, I was at the end of my rope. Good thing I tried this. Again. The evidence speaks for it's self.

Interesting yours is an LS3. There hasn't really been a cry about an LS3 with 'the slows'.

I wonder if it would work in conjunction with a tune?

DDustiNN · 08-24-2009, 08:12 PM

Quote:

Originally Posted by Gen5SSRS

After reading the fuse mod threads on resetting the ECM's for the L99, and seeing the improvement. I wondered if the same affect may apply to the LS3? I just completed my pain staking 1500 mile break-in and was working the ECM out of granny mode. After reading the threads I decided to try removing the #5 and #20 fuses for about an hour. I got in and HOLY $#@& here we go!!! We're wide awake now! The car probably would have come around on its own, but no waiting now. I am not suggesting anyone try this, but it worked for me. I'm not saying, I'm just saying. If you're coming out of a break-in period, might be worth a shot.

Hmm, interesting...

JTinFL · 08-24-2009, 09:13 PM

What exactly do the fuses control? We should dyno it!!

LS 1st gen · 08-24-2009, 10:27 PM

I don't know that pulling a couple of fuses really qualifies as a "mod" but it could be a worth a shot. As far as I have read here, the only reason this is working is that for some reason the PCM's are not properly switching between the low an high octane tables, so really we're just compensating for that.

All that being said, I think I'll pull some fuses overnight

EAkrish · 08-24-2009, 11:13 PM

I am wondering if it will work with a tune also pq. I guess I can try it and let everyone know.....

PQ · 08-24-2009, 11:46 PM

Quote:

Originally Posted by EAkrish

I am wondering if it will work with a tune also pq. I guess I can try it and let everyone know.....

How was yours running before you got it tuned? If it was running good you may not notice it anyway. If not, it would be cool to see you get an even bigger boost.

EAkrish · 08-24-2009, 11:56 PM

Mine was running real good b4 the tune and amazing after the tune. I also did my tb porting b4 I got the tune. Just amazing! I might not even mess with it. I don't want to lose the tune, if that's even possible?

08-24-2009, 06:39 PM	#1
Gen5SSRS Drives: Black 2010 1SS RS, Join Date: Jul 2009 Location: Edgewood, NM Posts: 52	L99 / LS3 Fuse Mod. Why Not Try it? After reading the fuse mod threads on resetting the ECM's for the L99, and seeing the improvement. I wondered if the same affect may apply to the LS3? I just completed my pain staking 1500 mile break-in and was working the ECM out of granny mode. After reading the threads I decided to try removing the #5 and #20 fuses for about an hour. I got in and HOLY $#@& here we go!!! We're wide awake now! The car probably would have come around on its own, but no waiting now. I am not suggesting anyone try this, but it worked for me. I'm not saying, I'm just saying. If you're coming out of a break-in period, might be worth a shot. __________________

08-24-2009, 07:03 PM	#4
EAkrish Scout Sniping Drives: 2010 Ford F150 Lariat SuperCrew Join Date: Mar 2009 Location: Tampa, FL Posts: 762	I wonder if I would benefit from this when I already have a custom tune..... __________________ Eric Previous Car:1SS/CGM 6MT w/ Sunroof & FACTORY BLUETOOTH!!!: New Era OTR, Steeda Short Shifter, Ported TB, Stg 2 ported intake manifold, Fasterproms, Poor man down pipes, MBRP 3" Exhaust!!! Now I drive a F150 Supercrew

08-24-2009, 07:20 PM	#6
broncosman Drives: 2010 Camaro 1SS Join Date: Jun 2009 Location: Houston Posts: 310	I'm at 900 miles now... should be ok for me to do it right? (auto 2SS) and start getting on her a LOT more? __________________ 2SS/RS with painted Rally Stripes http://www.h-towncamaroclub.com/index.php

08-24-2009, 07:27 PM	#7
Gen5SSRS Drives: Black 2010 1SS RS, Join Date: Jul 2009 Location: Edgewood, NM Posts: 52	I would only try this if you're finished with your break-in and unhappy with the power output. The same result could probably be acheived by running the car hard for a few passes. I was more curious to see if resetting the ECM would result in the ability to "quick learn" the driver learning portion of the ECM. That appears to be the Result, soooo, I am happy. __________________

08-24-2009, 08:08 PM	#8
PQ Booooosted. Drives: 2010 Supercharged SS Join Date: Apr 2008 Location: Mobile, AL Posts: 36,716 View My Garage	I was hoping mine would wake up after my break in period. Like yourself I went by the book. Literally. Wasn't easy. With every passing Mustang and Bonnies big mouth, it was really hard. When I made it to 1500 I was sorely disapponted. Then after almost 6000 miles, I was at the end of my rope. Good thing I tried this. Again. The evidence speaks for it's self. Interesting yours is an LS3. There hasn't really been a cry about an LS3 with 'the slows'. I wonder if it would work in conjunction with a tune? __________________

08-24-2009, 06:49 PM	#2
Van Drives: 2006 EVO MR - 390 @ wheels Join Date: Jul 2009 Location: San Antonio Posts: 384	Are you sure it wasn't a sort of placebo effect? __________________ 2010 2SS/RS 6spd manual -- Victory Red / Black Leather 1100, Preliminary order accepted 7/27/09 2000, Order accepted by GM 8/13/09 3000, Order accepted by production control 8/18/2009 TPW 9/07/2009 3300, Order scheduled for production 8/24/2009 3400, Order broadcast 9/1/2009 3800, Order produced 9/11/2009 4200, Shipped 9/11/2009 5000, Delivered to the dealer

08-24-2009, 06:50 PM	#3
patriotpa Account Suspended Drives: 02 Silverado, 09 Vue, 10 1SS Join Date: Aug 2008 Location: Tired of apologizing when we should be kickin' butt! Posts: 1,966 View My Garage	I don't see how it could possibly hurt anything, so why not?

08-24-2009, 07:11 PM	#5
Gen5SSRS Drives: Black 2010 1SS RS, Join Date: Jul 2009 Location: Edgewood, NM Posts: 52	Are you sure it wasn't a sort of placebo effect? Yep, I didn't time the car, but I know my cars. It definately woke it up. Other threads have reported their cars "waking up", I just shortened the process. Note: I may have gotten the same result by horse beating it a few runs like my 4th gen SS, but I didn't have to on this one. I have rolled on the accelerating a few time over the last 100 miles or so with some what dis-appointing results. I rolled on the accelerator after the reset, and the car threw me right back in the seat like it should. Anyway, like I said. It may not work for anyone elses LS3. But it worked for me. I wouldn't have even tried it if I felt my car was running up to par. __________________

08-24-2009, 09:13 PM	#10
JTinFL Drives: Fast ones Join Date: Jul 2009 Location: Florida Posts: 310	What exactly do the fuses control? We should dyno it!!

08-24-2009, 10:27 PM	#11
LS 1st gen Kept the Faith. Drives: 2010 VR 2SS Join Date: Jan 2008 Location: Houston Posts: 321	I don't know that pulling a couple of fuses really qualifies as a "mod" but it could be a worth a shot. As far as I have read here, the only reason this is working is that for some reason the PCM's are not properly switching between the low an high octane tables, so really we're just compensating for that. All that being said, I think I'll pull some fuses overnight __________________ SOLD 2010 Camaro # 13694 Victory Red 2SS manual \| White rally Stripes \| Polished Wheels \| Rotofab CAI\| MGW Shifter\| Kooks LT's\| Magnaflow X-pipe\|FM 40 Delta Flows \| Elite Tunnel Brace \| "Ginger"

08-24-2009, 11:13 PM	#12
EAkrish Scout Sniping Drives: 2010 Ford F150 Lariat SuperCrew Join Date: Mar 2009 Location: Tampa, FL Posts: 762	I am wondering if it will work with a tune also pq. I guess I can try it and let everyone know..... __________________ Eric Previous Car:1SS/CGM 6MT w/ Sunroof & FACTORY BLUETOOTH!!!: New Era OTR, Steeda Short Shifter, Ported TB, Stg 2 ported intake manifold, Fasterproms, Poor man down pipes, MBRP 3" Exhaust!!! Now I drive a F150 Supercrew

08-24-2009, 11:56 PM	#14
EAkrish Scout Sniping Drives: 2010 Ford F150 Lariat SuperCrew Join Date: Mar 2009 Location: Tampa, FL Posts: 762	Mine was running real good b4 the tune and amazing after the tune. I also did my tb porting b4 I got the tune. Just amazing! I might not even mess with it. I don't want to lose the tune, if that's even possible? __________________ Eric Previous Car:1SS/CGM 6MT w/ Sunroof & FACTORY BLUETOOTH!!!: New Era OTR, Steeda Short Shifter, Ported TB, Stg 2 ported intake manifold, Fasterproms, Poor man down pipes, MBRP 3" Exhaust!!! Now I drive a F150 Supercrew

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