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PB -PC Challenger 2009 - 2014 Covering 2.5 HP diesel

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Old 07-02-13
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Default EGR Blanking thread

As per the 'lacking in low down grunt' thread, I figured I'd create a thread dedicated to EGR blanking where people can get information and ask any questions..

I've had my EGR blank in for 5,000km now without a single CEL - No drilling holes in anything or messing about. Unbolt the heat shield, Unbolt the EGR pipe. slip the blanking plate in between the manifold and the gasket, some high temp sealant on the other side and bolt it back up.

From the extensive reading from the near-70 page thread on the New Triton forum (Found *here* some people get CEL's, some dont. There are numerous ways to fix and prevent getting them - So far touch wood I haven't had one.

I was done in less than 10 minutes and the results are dramatic.

It's now making 12psi by 1600rpm and 20psi by 2000rpm, It now pulls harder than a 15 year old and I find myself taking off in second with ease.

I only wish I'd done it sooner!


I have done some data logging with the EGR in place (I wish I'd done it beforehand for a comparison. I may look at removing if I get some time and trying to replicate the results) using an OBD-II Bluetooth reader and Torque for Android.

The first is a plot of Turbo Boost (Y Axis) v Revs (X Axis) up to 2000rpm:



As you can see:
1400rpm 6psi
1500rpm 8psi
1600rpm 12psi
1700rpm 15psi
1800rpm 17psi
2000rpm 20psi

The only engine 'modification' is an EGR blank - Factory air filter, no snorkel, factory dump pipe and exhaust. No chip or sprintbooster.

I should also note I have not had the latest update that is said to have helped with low down lag, The last time my Challenger was at a dealer was in July 2012.

All readings were done from a standing start, taking off in 2nd (manual) without riding or dumping the clutch.
Once off the clutch, foot flat to the floor at about 1100rpm.
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Old 07-02-13
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I have also taken screenshots of the tacho and boost gauge

Each screenshot has a tacho for rpm and boost gauge showing how much boost is being made at that RPM:



Again, Each was captured from a standing start in 2nd gear.



----

I also did a standing start in 1st through to 4000rpm, You can see the boost is marginally lower at all points but not significantly and the drivability difference is significant in every gear:


You can see it peaks to 22psi at 2100rpm and then drops to around 18/19psi through to 4000rpm.

Unfortunately Conditions were not favorable for a turbo car and it didn't hold 20+psi like it does in the cold.
It was done at about 4:30 this afternoon and the temperature was 32deg and 72% humidity (according to BOM weather station).
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Old 07-02-13
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Thanks to NewTriton member veight for the pictures..

The blanking plates look like this along with the factory gasket



And get installed here on "EGR Pipe A":





The heat shield that covers "EGR Pipe A" gets removed and exposes the two bolts that attach the pipe to the cooler, Blocking it here will prevent the cooler from filling with carbon build up.



Once you undo the two bolts, slip the blanking plate in with some sealant and stick the factory gasket to the plate, re-assemble and enjoy.. The head shield also hides the plate a little if you are worried about warranty - although with the Torque application I can see the engine is expecting a certain EGR value and receiving 0 but it has not thrown a code.

Do this at your own risk! I offer no guarantees or warranties, implied or otherwise!

I took the lazy way out and instead of cutting a plate myself, New Triton member 'GLX-R Alex' sells them for $10 ea inc postage - So I did that.


I'll say it again - It is easily the best $10 I have ever spent!
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Old 07-02-13
260DET 260DET is offline
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Good thread, let the experiences accumulate What is of interest, to me anyway, is what will show on the dash if an error results and what if anything will result. No limp mode surely.
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Old 07-02-13
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Yes it will show on the dash, The Check Engine Light (CEL) will illuminate and some people have reported it going into limp home mode.

It's a luck of the draw thing from what I can tell.. Some will throw a CEL and some wont.

Having a ScanGauge (most expensive, $169), UltraGauge ($69) or bluetooth OBD-II reader (cheapest, starting from $20 or so + $5 for a smart phone app) will allow you to monitor the engine conditions (radiator and intake temps, boost, volts etc) and then clear any codes should they arrise.

There are also several options to prevent CEL's/limp that are covered in detail on the NewTriton forum in the topic I linked in my first post, Longranger and Tony on the NTN forum have solutions to stop the irregular pressure readings throwing a code.
ChipIt chips also stop the ECU throwing codes, According to ChipIt even fussy vehicles that threw a lot of EGR codes had stopped..

For me, It was worth a shot to see if it would happen (So far so good, again.. touch wood) and after driving it for awhile I couldn't go back.
Plus the added benefit of cleaner oil and no carbon build up sealed the deal.
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Old 07-02-13
greig greig is offline
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It really is a bit of hit and miss regarding fault codes....have heard of a fair few people getting them .....

I have a chip it and I have had a few....but only to do with rail pressure...

My blanking plate ( as supplied by chip it ) was a solid one.......my mate, who ordered one 6 mths ago, got one with the small 10 mm hole in it....so obviously, even with a chip it installed, they must have still got a few complaints..

I personally wouldn't put a plate in without a scangauge ( or similar ).... even though you can get it out of limp mode by stopping and restarting the engine....you still need to get rid of the fault light..
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Old 08-02-13
260DET 260DET is offline
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Thanks blokes, terrific. You have clearly and concisely completed the thread
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Old 08-02-13
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im interested in purchasing this plate from Alex off the new triton forum. do i need to be a member to message him?

thanks
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Old 08-02-13
Grunta Grunta is offline
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Just picked up one from Chip It

There just around the corner from me

Rooey123 Chip it are in Clarkson $35.00 with hole drilled to prevent warning lights

Last edited by Grunta; 08-02-13 at 07:43 PM.
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Old 08-02-13
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Quote:
Originally Posted by rooey123 View Post
im interested in purchasing this plate from Alex off the new triton forum. do i need to be a member to message him?

thanks
You will need to sign up to PM him..
FWIW He sent it the day after I paid and then I had it a couple of days later, Can't go wrong for $10..

--

Keen to hear how you go and how you think it goes with the 10mm hole Grunta.
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