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-   -   M550 Shows Trackhawk German Engineering (https://www.jb4tech.com/forums/showthread.php?t=66828)

Mikeurbano1 10-25-2021 11:41 PM

M550 Shows Trackhawk German Engineering
 
Hey guys!

Ran a track hawk and wanted to show you guys what kind of power this beats puts out on just a JB4 with ********* and 93 octane.

Let me know what y’all think.

2021 M550 VS 2020 Jeep Grand Cherokee Trackhawk - YouTube

tonyjenkins77 10-30-2021 04:21 AM

No way!!

Mikeurbano1 10-30-2021 07:20 AM

Yes!

Mike_L 10-30-2021 03:23 PM

Trackhawks run mid 11's. I don't think an M550 would have any problem beating one with just a JB4. Even before the Performance recall these were 12 flat cars bone stock. With the recall high-11's, and with a JB4, I'd guess probably 11.4-11.5. Throw in some E30 and low-11's seems entirely possible.

phaser 10-31-2021 09:29 AM

"German engineering".
GM is sending their asses to school with the LT6. LOL!

Boosted_8 11-01-2021 03:48 PM

Mine runs 11.1 on map 1 using 94 fuel... With Ethanol and a good DA you are in the 10's.

Mikeurbano1 11-01-2021 07:19 PM

Haven’t ran mine on the track I usually use map 5 and that time I was on 93 octane so I think with a e85 mix it could move even better

Boosted_8 11-03-2021 05:51 AM

1 Attachment(s)
DA was nice last night, squeaked out a 10 second run on my map 6 (peaking at 19lbs)

Mike_L 11-03-2021 09:35 AM

:happy:burnrubber:

NICE!!! Anything else besides the JB4, gutted air boxes and BMC filters?

Boosted_8 11-03-2021 01:13 PM

I have an X pipe in place of the resonator (don't expect any power from that) & taken the secondary cats out also.

phaser 11-03-2021 03:58 PM

Quote:

Originally Posted by Boosted_8 (Post )
DA was nice last night, squeaked out a 10 second run on my map 6 (peaking at 19lbs)

Impressive.

Boosted_8 11-04-2021 02:31 AM

The greatest thing coming out of the US auto engineering wise right now is the 2023 Z06. That thing is a genuine masterpiece for the money! The Germans would ask $200k for that level of effort and the Brits & Italians $300k

zse8h 12-20-2021 08:18 AM

Very nice! Thats fast.

zse8h 05-08-2022 10:18 PM

Map6
 
Boosted- would you mind sharing your map 6 settings, please? I am still not to comfortable running map 2 even though it's godly fast. Also, what is stock psi? 14-15?

Thanks in advance.

Zach

Boosted_8 05-18-2022 12:49 PM

Quote:

Originally Posted by zse8h (Post )
Boosted- would you mind sharing your map 6 settings, please? I am still not to comfortable running map 2 even though it's godly fast. Also, what is stock psi? 14-15?

Thanks in advance.

Zach

There isn't actually a stock psi as it will change all over the world with the conditions. With cool air and low altitude on 93+ fuel I would expect 12-13psi at 5000rpm peak based on my own logs.

I get the best dragy times with +5psi tapered up as not to generate too much torque at lower rpm.

My fuel is 94 with a little splash of boostaine for safety.

zse8h 05-18-2022 01:11 PM

Cool, I can put 102 octane in the tank. What does your map 6 look like? I have c#$$ed Pi!es too. Map 1 right now is more smooth but want a little more.

Tomholland 05-18-2022 09:58 PM

Quote:

Originally Posted by zse8h (Post )
Cool, I can put 102 octane in the tank. What does your map 6 look like? I have c#$$ed Pi!es too. Map 1 right now is more smooth but want a little more.

Try adding 5 psi on all rpm's in map 6.

zse8h 05-18-2022 10:04 PM

Seriously?

Tomholland 05-18-2022 11:12 PM

Quote:

Originally Posted by zse8h (Post )
Seriously?

Yeah go into map 6. Set boost psi to 5 across all rpm.

zse8h 05-18-2022 11:28 PM

I can try it. Do you find it to be smooth? Map 1 is smooth but 2...ugh much desired there.

Boosted_8 05-19-2022 02:21 PM

My map 6 is actually eco mode right now with just + 2 psi haha. From memory I was running 3 psi to 3k rpm then 4 till 5k then +5 up top.


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