JDL 4-2-1 EL header

[J95]

Originally Posted by JBezugs

I would definitely go with an Remote E-Tune with CSG or Delicious Tuning w/ ECUTek if you don’t have a tuner in your area. This way you are still getting a proper, tailored tune for your vehicle, vs an off the shelf tune that isn’t 100% optimized for the header or your particular vehicle.

Well, I will have to consider it.. But I read that the OFT is quite good already for NA (I will not go FI)

Suppose I already have the ecutek Dongle. How much will I have to spend then to get the proper tune with 4-2-1? I believe also I need to pay a license?

AFAIK oft is way more economic, also considering the post-selling price

[jflogerzi]

Originally Posted by Cephas

Are you on a Flex Fuel kit or nah?

Yes. It was using E50

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[jflogerzi]

Originally Posted by J95

Thank you so much for sharing!



Mine is coming soon. I am planning to buy an OFT, as there are not reputed tuners in my area.



The OFT with the provided stage 2 tune should be fine right?

I will run JDL 4-2-1 with stock FP and stock catback. Soon I´ll change to an AM resonated catback

Imo you can get away with OFT just get a custom tune from one of the members on the boards. Just like the ace header it requires a much different cam settings/config which if you use the standard oft tune you will be leaving alot of power and driveability on the table

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[bmacfrs]

You can also get a custom tune from OFT. Its a few rounds of data logging and sending files but it works well.
https://www.openflashtablet.com/shop/custom-e-tuning/


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[Cephas]

Originally Posted by jflogerzi

Yes. It was using E50

From Delicious Tuning? Sorry if you already said somewhere.

[jflogerzi]

Originally Posted by Cephas

From Delicious Tuning? Sorry if you already said somewhere.

Zach at CSG

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[Mike_ZN6]

Originally Posted by jflogerzi

So today was the day. Sadly the old girl's motor is seasoned and is down a bit on power. CSG uses a hub dyno similar to mustang number. I forgot to grab a screen shot that I could see but here where the final numbers:

170WHP Peak
152WTQ Peak

Gained 12-15WHP vs stock car through the entire rev range and peak up to almost 25WHP vs stock. TQ dip is 95% gone with E50 and E20(tuned like 91) its greatly reduced and shifted further in the rev band.

Talking with Zach he was happy with car considering the following:
-Car at the top end was losing about a 1LB of vacuum (could have been caused by Dyno Airflow vs real world)
-Car has stock FP with secondary CAT
-Engine has 83K miles on it
-DI have never been serviced. (he mentioned this could add back 5-10WHP)
-Fairly hot temps (mid 80s to low 90s when we were done)

So all in all compared to the e-tune before power is better but its the smoothness that is much improved. Throttle response also feels better. So with Ace or JDL 4-2-1 dyno tune seems worth it right off the bat if available.

On a Side Note on a dyno jet numbers would between
185-190WHP
162WTQ

Any comparison against the ACE?

[jflogerzi]

Originally Posted by Mike_ZN6

Any comparison against the ACE?

Sadly he did not have any onhand to compare. I tried probing him for number and he would not give sadly.

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[Mike_ZN6]

Originally Posted by jflogerzi

Sadly he did not have any onhand to compare. I tried probing him for number and he would not give sadly.

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I honestly think CSG does not want a direct comparison between these two headers.

[jflogerzi]

Originally Posted by Mike_ZN6

I honestly think CSG does not want a direct comparison between these two headers.

You could be right. Honestly can't go wrong with either imo and JDL is cheaper so...

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[Goingnowherefast]

Originally Posted by Mike_ZN6

I honestly think CSG does not want a direct comparison between these two headers.

I suspect the two will perform the same or at least within the noise floor of the data. In which case the question is, why would someone pay an extra ~$1,000 for a similarly performing header which basically requires you to upgrade engine mounts and has a history of cracked welds? That's a good question..

[jflogerzi]

Originally Posted by Goingnowherefast

I suspect the two will perform the same or at least within the noise floor of the data. In which case the question is, why would someone pay an extra ~$1,000 for a similarly performing header which basically requires you to upgrade engine mounts and has a history of cracked welds? That's a good question..

Logic can escape ppl... but just be thankful we have options and JDL produced a really solid Header. Look at the weld quality on this overpipe cause I left it raw.

[Hades]

The fact CSG hasn't released a dyno comparing JDL EL 4-2-1 vs. Ace 350 speaks for itself IMO. They seem to have a dyno comparing every other alternative header. Pretty sure if/when we get an independent dyno this JDL EL will be at least as good as or even better than the ace (maybe with a bit less midrange from what I've eyeballed in the dyno graphs).

[J95]

So guys I have already my headers ready to mount, and I decided to order an OFT. But it will take time to be delivered to Europe...

So I´m wondering if mounting my headers before receiving the OFT would be any perjudicial to the engine... I have a holidays trip in between (a bit less than 1k miles), and I´m looking forward to mount it already What do you think?