C450/C43 AMG
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Old 12-18-2020, 10:23 AM
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Originally Posted by hc_416
Why would your fuel psi be done if you only upgraded the turbo? Maybe the colder air means less fuel is needed to cool the engine?
thats what i dont get before it would drop to 2500 psi max playing with e85 blend i see it at 1600 now filled tank with 91 pump now only drops to 2100 psi not sure i might be going to high on the blends i watched a video of Brett logs the guy that claims his engine blew his psi hits bout 2150 psi maybe damaged pump seals .
Old 12-18-2020, 11:43 AM
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Originally Posted by MWorks E wagon
thats what i dont get before it would drop to 2500 psi max playing with e85 blend i see it at 1600 now filled tank with 91 pump now only drops to 2100 psi not sure i might be going to high on the blends i watched a video of Brett logs the guy that claims his engine blew his psi hits bout 2150 psi maybe damaged pump seals .
Maybe the pump just can't keep up with the flow rate? What did ec say?
Old 12-18-2020, 11:49 AM
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Originally Posted by hc_416
Maybe the pump just can't keep up with the flow rate? What did ec say?
told me to do logs and send then
Old 12-18-2020, 11:50 AM
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Originally Posted by hc_416
Maybe the pump just can't keep up with the flow rate? What did ec say?
going to monitor my afr to be safe bout do it. Now.
Old 12-22-2020, 01:58 PM
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Originally Posted by MWorks E wagon
going to monitor my afr to be safe bout do it. Now.
any update? Looking forward to seeing results.
Old 12-22-2020, 02:11 PM
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Originally Posted by hc_416
any update? Looking forward to seeing results.
soon

Old 03-15-2021, 09:16 PM
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Update

Any updates?
Old 03-16-2021, 10:32 AM
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Yes sir car is running great. I was able to do a 3.84 0-60 and I did an 11.84 quarter all measured with dragy. I am think of my next upgrades atm. I'm looking at the intercooler and hfc. But really how much more can I gain? The real problem with this platform is that boost falls off up top and doesn't hold. I am also thinking if I should just lay her off and get a c63s because all manufacturers are going to smaller engi es and motors... is there anything you are looking for specific?
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Old 03-16-2021, 12:40 PM
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Originally Posted by hc_416
Yes sir car is running great. I was able to do a 3.84 0-60 and I did an 11.84 quarter all measured with dragy. I am think of my next upgrades atm. I'm looking at the intercooler and hfc. But really how much more can I gain? The real problem with this platform is that boost falls off up top and doesn't hold. I am also thinking if I should just lay her off and get a c63s because all manufacturers are going to smaller engi es and motors... is there anything you are looking for specific?
These cars can run faster than that, by a lot. There's an EC car that ran 10.9's recently and that was on an unprepped surface, with limited traction. It still had stock turbos and stock motor, but had JB4, I think for meth control. As for JB4 only cars, the fastest that I've seen is an 11.1 with only a JB4 on map 6 and Meth. A C63 can definitely be made to run faster, but it would be tough to outrun those C43's from a dig on the street.
Old 03-16-2021, 03:59 PM
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Right on man. Yeah these cars are capable to run in the 10's. The above photos i posted are from November. He has hit the 10 second mark with Eurocharged tune, Meth injection and what was stated earlier the JB4 to monitor the meth injection. My next mod i think will be the meth injection and HPFP to run e85. Keep up the mods and let us know how it is going.
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Old 03-17-2021, 01:06 PM
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Originally Posted by Freder8d
Right on man. Yeah these cars are capable to run in the 10's. The above photos i posted are from November. He has hit the 10 second mark with Eurocharged tune, Meth injection and what was stated earlier the JB4 to monitor the meth injection. My next mod i think will be the meth injection and HPFP to run e85. Keep up the mods and let us know how it is going.
If you need the HPFP martintuning.com offers a special discount for MBworld members! Those guys are great over there!
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Old 03-17-2021, 02:46 PM
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Originally Posted by Star4life
If you need the HPFP martintuning.com offers a special discount for MBworld members! Those guys are great over there!
That's what I've heard and where I will be going. Plans are for HPFP, Wagner Intercooler and Meth injection. I'm also under the impression that I need to replace the LPFP too? Do you know if that is true or not?
Old 03-17-2021, 02:58 PM
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Originally Posted by Freder8d
That's what I've heard and where I will be going. Plans are for HPFP, Wagner Intercooler and Meth injection. I'm also under the impression that I need to replace the LPFP too? Do you know if that is true or not?
I would get the LPFP if you want to run over e30.

but if you can swing it, its a good idea to have it regardless. oem LPFP holds 45-50psi with e30 under load. Upgraded LPFP by martin tuning holds 80-90 psi under load e30. They are doing testing on full e85 now.,
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Old 03-18-2021, 12:16 PM
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Originally Posted by Star4life
I would get the LPFP if you want to run over e30.

but if you can swing it, its a good idea to have it regardless. oem LPFP holds 45-50psi with e30 under load. Upgraded LPFP by martin tuning holds 80-90 psi under load e30. They are doing testing on full e85 now.,
Thanks i been contemplating whether to get the LPFP or not, running e30 now.
Old 03-31-2021, 07:17 PM
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Well a little update, I went with the Logos Engineering Motorworks downpipes, though I will have to get a retune from EC to go stage two to see the results. I'm not sure how much difference this will make but I'm hoping for some more tq down low and some hp up top. If anyone has them installed feel free to chime in and let me know what ya think. If I like the quality, fit, and finish I will see what other products they have!
Old 04-01-2021, 03:43 AM
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Originally Posted by hc_416
Well a little update, I went with the Logos Engineering Motorworks downpipes, though I will have to get a retune from EC to go stage two to see the results. I'm not sure how much difference this will make but I'm hoping for some more tq down low and some hp up top. If anyone has them installed feel free to chime in and let me know what ya think. If I like the quality, fit, and finish I will see what other products they have!
I have EC custom Dyno tune and gained 20-25 whp and 20Lb WTQ across the rev range when I went decat.

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