JMS FuelMax installed - Page 3

7LitreC5 · 02-17-2021, 07:45 AM

Once a JMS FuelMax is installed, does it require a retune?

JANNETTYRACING · 02-17-2021, 07:54 AM

Quote:

Originally Posted by 7LitreC5

Once a JMS FuelMax is installed, does it require a retune?

That depends if someone was trying to cover up loss of fuel pressure in the tune.

If so the car will get richer up top after adding it.

Ted.

7LitreC5 · 02-17-2021, 08:45 AM

Quote:

Originally Posted by JANNETTYRACING

That depends if someone was trying to cover up loss of fuel pressure in the tune.

If so the car will get richer up top after adding it.

Ted.

That makes perfect sense. Thanks.

TMS · 02-17-2021, 08:46 PM

Quote:

Originally Posted by Evansa22

That would be awesome! I'm still waiting on other parts as well as new crimpers so I'm in no hurry. If you have them I'd really appreciate it, if you don't thanks for the offer anyways

Evansa22,

Just checked and I do have some extras. I have the seals, female and male pins. PM me with a mailing address and I’ll drop them in the mail for you tomorrow.

Trevor

Evansa22 · 02-18-2021, 07:38 AM

Quote:

Originally Posted by TMS

Evansa22,

Just checked and I do have some extras. I have the seals, female and male pins. PM me with a mailing address and I’ll drop them in the mail for you tomorrow.

Trevor

Your awesome! Info sent

20Bluezl1 · 03-17-2021, 07:05 PM

So im bring this thread back as I have installed my JMS but I was going to switch out the fuse and my cover isn't mark FSCM Fuel pump. I read it's F35 that needs to be changed but not sure. My F35 has a 20amp fuse and marked FSCM V6.

tomster · 03-18-2021, 06:40 AM

Sub for reference

ZLE dude · 03-18-2021, 06:47 AM

If LiqTenExp hasn't answered by the time I get home this afternoon I'll pop the trunk open and take a look at which one I changed. I honestly can't remember.

20Bluezl1 · 03-18-2021, 07:26 AM

Quote:

Originally Posted by ZLE dude

If LiqTenExp hasn't answered by the time I get home this afternoon I'll pop the trunk open and take a look at which one I changed. I honestly can't remember.

LiqTenExp · 03-18-2021, 08:27 AM

Sorry not able to check car this week. I can't imagine both of those should be populated. I would have done the V8 one unless I blindly followed instructions. It should be very easy to tell which is the correct one... pull it one at a time and see which one causes the JMS to not light up! That is the right one to replace LOL

7LitreC5 · 03-18-2021, 08:56 AM

Is the FCSM circuit (wire gauge, etc.) of sufficient size to be able to handle a max amperage increase from 20A to 30A?

ZLE dude · 03-18-2021, 05:05 PM

Quote:

Originally Posted by 20Bluezl1

Mine was F35. My 2018 ZLE didn’t list a v6 or v8 FSCM on my fuse box lid. See pic.

h018871 · 03-18-2021, 05:29 PM

My 2020 ZL1 has the V8 FSCM in F46, already a 30amp fuse

Oddly, F35 has a 20amp fuse installed. Wonder what it's used for
There's a 10amp in F31 (power folding top), mine's a coupe, so maybe they make them all the same so assy is easier

20Bluezl1 · 03-18-2021, 05:54 PM

Quote:

Originally Posted by h018871

My 2020 ZL1 has the V8 FSCM in F46, already a 30amp fuse

Oddly, F35 has a 20amp fuse installed. Wonder what it's used for
There's a 10amp in F31 (power folding top), mine's a coupe, so maybe they make them all the same so assy is easier

Yea but F35 is 20 amp and it also says FSCM

03-17-2021, 07:05 PM	#34
20Bluezl1 Drives: 2020 Zl1 A10 Riverside Blue Join Date: Mar 2020 Location: NJ Posts: 1,219	So im bring this thread back as I have installed my JMS but I was going to switch out the fuse and my cover isn't mark FSCM Fuel pump. I read it's F35 that needs to be changed but not sure. My F35 has a 20amp fuse and marked FSCM V6. Attached Images

03-18-2021, 06:40 AM	#35
tomster RedLine Drives: 2022 ZL1 1LE Join Date: Dec 2012 Location: Chicago area Posts: 792 View My Garage	Sub for reference __________________ 2018 GMC 2500 "Blue" (Sold) 2018 ZL1 1LE Hyper Blue" (Sold) 2018 CTS-V "Black" (Sold) 2022 GMC 2500 "Blue" 2022 ZL1 1LE 6spd "Rapid Blue" 2023 ZL1 1LE Auto Rapid Blue (ordered)

03-18-2021, 06:47 AM	#36
ZLE dude Drives: '18 ZL1 1LE Join Date: May 2020 Location: KY Posts: 219	If LiqTenExp hasn't answered by the time I get home this afternoon I'll pop the trunk open and take a look at which one I changed. I honestly can't remember. __________________ 2018 ZL1 1LE - Summit White, PDR, Rotofab CAI, 95mm TB, CSP 2" catless LT's, JMS Voltage Booster, AEM X-series WB, DSX flex fuel sensor, Banks Data Monster, Tuned by Ted Jannetty, 5% Tint, Blackvue DR900S-2CH, Diode Dynamics lighting, IGL Kenzo ceramic coating

03-18-2021, 08:27 AM	#38
LiqTenExp Drives: 2017 ZL1 Join Date: Jan 2017 Location: NJ Posts: 905	Sorry not able to check car this week. I can't imagine both of those should be populated. I would have done the V8 one unless I blindly followed instructions. It should be very easy to tell which is the correct one... pull it one at a time and see which one causes the JMS to not light up! That is the right one to replace LOL __________________ 2017 Camaro ZL1 Coupe M6 (847whp Dynojet on 93)

03-18-2021, 05:29 PM	#41
h018871 Geoff Drives: 2020 ZL1 Green Join Date: May 2013 Location: Houston Posts: 1,720	My 2020 ZL1 has the V8 FSCM in F46, already a 30amp fuse Oddly, F35 has a 20amp fuse installed. Wonder what it's used for There's a 10amp in F31 (power folding top), mine's a coupe, so maybe they make them all the same so assy is easier Attached Images __________________ Having a Blast https://www.camaro6.com/forums/showt...php?p=10741733

02-17-2021, 07:45 AM	#29
7LitreC5 Drives: 18 Tahoe RST, 19 Z06 Join Date: Apr 2017 Location: Colorado Springs, CO Posts: 327	Once a JMS FuelMax is installed, does it require a retune?

03-18-2021, 08:56 AM	#39
7LitreC5 Drives: 18 Tahoe RST, 19 Z06 Join Date: Apr 2017 Location: Colorado Springs, CO Posts: 327	Is the FCSM circuit (wire gauge, etc.) of sufficient size to be able to handle a max amperage increase from 20A to 30A?

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