PxcesYT

Has anyone tried or know if you can stack JB4 with another Stage one tune?

Howyalivin

About 12 messages below yours:

https://mbworld.org/forums/c450-c43-...tunes-jb4.html

5ynatra

Yep! It's a pretty great addition to your set up. I've stacked a JB4 on top of AMR's Comport tune (have been for about 2 months now)

If you end up pulling the trigger on it, my advice would be saving some logs after installation while the jb4 is on map 0, then sending those logs over to BMS so they can provide their recommended settings for your specific case.

I would say only use the extra jb4 boost when you're racing/logging times, and daily on map 0. More boost will obviously accelerate the wear and tear of your internals.

Here's a recent video with my stacked tune set up:

C43pleasehelp

Im confused, so why do u need to stack the jb4? Can’t u get the same results with just the jb4 and e30 without stacking with amr? Can u please explains what’s the use of having both Instead of just jb4?? Would I see slower times with just jb4?