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-   -   '18 m40i Stage 3 Log Review (https://www.n54tech.com/forums/showthread.php?t=55634)

jeepersjoey 10-27-2018 06:36 AM

'18 m40i Stage 3 Log Review, please?
3 Attachment(s)
Hello and thanks in advance!

I did 3 runs this morning with 91 octane and Torco booster.

Stock m40i with B58 and JB4.

My goal is to determine if I can jump to Stage 3 with the octane booster. Will you review my runs and verify that I can?

Please and Thanks!

Bullitt1841 10-28-2018 11:17 AM

1. Don't ever do WOT pulls without the engine warmed up and oil temps to at least 160 degrees F. You were only at 141 degrees F on the first run so the JB4 did not ANY boost to the stock boost targets.

2. There are no "stages" on the JB4. There are only "maps": https://www.n54tech.com/forums/showthread.php?t=31429

With Torco, your logs look OK. I wouldn't have jumped that high up right away without peer log reviews, but you got lucky.

I don't prefer running Torco or other MMT-based octane boosters full time because they coat EVERYTHING with orange dust (turbo, *****, piping, tips) and is difficult to get off. But it won't hurt anything.

And welcome to the club.

jeepersjoey 10-28-2018 02:30 PM

Hey...thanks for the advice. Good call and good to know that JB4 does no boost until at temp.

This was my second log and post.

I did a 1, 2, and 3 with my normal 91 ucktane gas in Denver. Remember 91 here is like 93 at sea level...um ok. Look down a little further in the log posts and see mine.

I put Octane boost into the last portion of the tank and wanted to get three readings on Map 3 (correct...I still like Stage better! You perform better with JB4 and you perform on stage...ha!!)

Now I am back to 91 octante but wanted to know if I can jump to Map 3 (which I interpret as the highest, most performance, unless I get some extra parts and move away from stock) if the need arises.

Normally, I hope to be in Map 1 or 2 with standard 91 octane gas. Hope to jump to Map 3 with 1oz Torco per gallon.

I will look for a local shop that has high octane race gas that I can use rather than Torco. This is my first time using Torco...had to try it. Thank you for the feedback!


jeepersjoey 10-31-2018 04:53 PM

I think this one skipped from the review.

Will you please review my Map 3 logs so I can determine if I can utilize this map?


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