[ArabianOak]

Pretty happy with the results considering how cold the weather is...it's spinning and short shifting from 1st now, so once it warms up i think a 10.2 or 10.3 is achievable with good DA...car feels really strong.

93 octane, setting number 7 on the racechips...

dragy video...

https://www.youtube.com/shorts/FRfS7aOixX0

[Tethys]

Is this just with the Racechip and no other mods?

[ArabianOak]

Originally Posted by Tethys

Is this just with the Racechip and no other mods?

yes, 93 octane too. but i always run 93.

[Tethys]

Originally Posted by ArabianOak

yes, 93 octane too. but i always run 93.

Thanks, that's pretty good I think. I've been thinking about buying one for mine but don't want to void the warranty. I have intakes, downpipes and catback exhaust so I wonder how much of a difference that would make?

[Usually_a_Ford_guy]

Have you tried #5? Is there a big difference?

[Vic55]

I only run 7 on mine but am stuck with 91 in Cali---

5 is not remotely as good as 7 IMHO.

[TheGreatM8]

Originally Posted by ArabianOak

Pretty happy with the results considering how cold the weather is...it's spinning and short shifting from 1st now, so once it warms up i think a 10.2 or 10.3 is achievable with good DA...car feels really strong.

93 octane, setting number 7 on the racechips...

dragy video...

https://www.youtube.com/shorts/FRfS7aOixX0

Thats awesome info there!
Thanks for sharing!

[Usually_a_Ford_guy]

Originally Posted by Vic55

I only run 7 on mine but am stuck with 91 in Cali---

5 is not remotely as good as 7 IMHO.

Isn't 7 a more aggressive tune than 5? In other words, wouldn't 7 be more likely to require the higher octane fuel?

I'm on the verge of ordering mine from Ben so just trying to learn how this thing works...

[Vic55]

Originally Posted by Usually_a_Ford_guy

Isn't 7 a more aggressive tune than 5? In other words, wouldn't 7 be more likely to require the higher octane fuel?

I'm on the verge of ordering mine from Ben so just trying to learn how this thing works...

Its just a basic piggy back system with 91 octane being an acceptable fuel. If one has 93 octane then the gains could be more pronounced but Ben can answer more deeply.

Yeah 7 is more but its fine on 91 and Ive run the RC on 2 different M8's and my M5 along with 2 G80 M3's.

If you want to truly mess with fuels like E85 or much higher octanes then Id suggest getting a JB4 Piggy. I personally just like the minimalist gains and pricing; its plug play and walk away.

[limeypride]

Originally Posted by ArabianOak

Pretty happy with the results considering how cold the weather is...it's spinning and short shifting from 1st now, so once it warms up i think a 10.2 or 10.3 is achievable with good DA...car feels really strong.

93 octane, setting number 7 on the racechips...

dragy video...

https://www.youtube.com/shorts/FRfS7aOixX0

Love the optimism but unlikely. The cold weather is bolstering your boost but killing traction. When that weather changes, you'll gain traction and lose boost. Unless you've got other mods in play, you're close to max'd out on an RC. If you want more, go with a JB4 (that rhymed, unintentional but I'll take it).

To get what you're hoping for, 60ft would need to be in the high 1.5s and the 0-60 tends to follow suit dropping to mid 2.5s. 1/8th mile around mid-to-high 6s and you'll get there but I've never seen it with an RC alone. My personal best is a 10.33s @133mph in an F90 M5 Comp with JB4; 10.37 in a comparable M8C GC.

[ArabianOak]

Originally Posted by limeypride

Love the optimism but unlikely. The cold weather is bolstering your boost nicely but killing traction. When that weather changes, you'll gain traction and lose boost. Unless you've got other mods in play, you're close to max'd out on an RC. If you want more, go with a JB4 (that rhymed, unintentional but I'll take it).

To get what you're hoping for, 60ft would need to be in the high 1.5s and the 0-60 tends to follow suit dropping to mid 2.5s. 1/8th mile around mid-to-high 6s and you'll get there but I've never seen it with an RC alone. My personal best is a 10.33s @133mph in an F90 M5 Comp with JB4; 10.37 in a comparable M8C GC.

yes sir... i think the sweet spot will be around 45-55 degrees, negative DA, sun out, concrete dry surface and 100 octane. I would hope getting my 2.8 down to 2.5 will help get me there.

[ctelimad]

Originally Posted by limeypride

Love the optimism but unlikely. The cold weather is bolstering your boost but killing traction. When that weather changes, you'll gain traction and lose boost. Unless you've got other mods in play, you're close to max'd out on an RC. If you want more, go with a JB4 (that rhymed, unintentional but I'll take it).

To get what you're hoping for, 60ft would need to be in the high 1.5s and the 0-60 tends to follow suit dropping to mid 2.5s. 1/8th mile around mid-to-high 6s and you'll get there but I've never seen it with an RC alone. My personal best is a 10.33s @133mph in an F90 M5 Comp with JB4; 10.37 in a comparable M8C GC.

Limeypride what map and what fuel did you use to achieve those numbers on m5 and m8

[limeypride]

Originally Posted by ArabianOak

yes sir... i think the sweet spot will be around 45-55 degrees, negative DA, sun out, concrete dry surface and 100 octane. I would hope getting my 2.8 down to 2.5 will help get me there.

Yup, I hear ya but I've never seen an RC-tuned S63TU get near the 2.5s. It took custom map 6 tweaking on a JB4 with snake oil, 92 octane pump and WA state weather temps to get there. Look at the JB4 or an ECU tune because the wealth of evidence out there doesn't indicate an RC will ever get there.

As Vic implies, it's not intended to--it's plug'n'play noticeable power bumps but that's it.

Wrt/ the 100 octane: the RC simply won't take advantage of it--you'll need more boost and the RC won't make/let that happen.

[limeypride]

Originally Posted by ctelimad

Limeypride what map and what fuel did you use to achieve those numbers on m5 and m8

Map 6 custom tweaked across the RPM range on 92 pump with some additive (forget which) and pushing it hard every day. M8C GC never matched the F90... not quite.

Ultimately, I blew up the engine in the M8 so there's that.

[ArabianOak]

Originally Posted by limeypride

Yup, I hear ya but I've never seen an RC-tuned S63TU get near the 2.5s. It took custom map 6 tweaking on a JB4 with snake oil, 92 octane pump and WA state weather temps to get there. Look at the JB4 or an ECU tune because the wealth of evidence out there doesn't indicate an RC will ever get there.

As Vic implies, it's not intended to--it's plug'n'play noticeable power bumps but that's it.

i had the jb4 on my m850 and it was nice but didn't get me what i expected...if you look on my youtube channel i have videos of that as well...a custom tune would be nice! i know these ecu's are locked though.

[ctelimad]

Originally Posted by limeypride

Map 6 custom tweaked across the RPM range on 92 pump with some additive (forget which) and pushing it hard every day. M8C GC never matched the F90... not quite.

Ultimately, I blew up the engine in the M8 so there's that.

Did you really blow the engine on M8 with jb4?!
Because m8 coupe is lighter then m5 f90 so i think will do much better then grancoupe (big weight differences)

Ome thing i do not like about jb4 that is not consistent otherwise it is btter then racechip

[limeypride]

Originally Posted by ArabianOak

i had the jb4 on my m850 and it was nice but didn't get me what i expected...if you look on my youtube channel i have videos of that as well...a custom tune would be nice! i know these ecu's are locked though.

If the JB4 didn't get you what you want, lower your expectations outside simplicity when it comes to the RC. They're not competitors in my opinion. I run an RC because it's *enough* for me now and is indeed simpler.

You'll find my times on the Dragy leaderboard with ambient conditions to the extent that Dragy tracks them.

I hear ya on the ECU tunes I but don't follow that market anymore since I'm happy enough--sucks they haven't cracked it yet.

[Vic55]

Originally Posted by limeypride

Map 6 custom tweaked across the RPM range on 92 pump with some additive (forget which) and pushing it hard every day. M8C GC never matched the F90... not quite.

Ultimately, I blew up the engine in the M8 so there's that.

[limeypride]

Originally Posted by ctelimad

Did you really blow the engine on M8 with jb4?!
Because m8 coupe is lighter then m5 f90 so i think will do much better then grancoupe (big weight differences)

Yes.

But don't blame the JB4--blame me (and my naive expectations of the snake oil); I expected too much and pushed wayyyy too far trying to get the M8 where the M5 was.

[ctelimad]

Originally Posted by limeypride

Yes.

But don't blame the JB4--blame me and the snake oil; I expected too much and pushed wayyyy too far trying to get the M8 where the M5 was.

Sorry to hear that
Most have cost you an arm and a leg to get a new engine
Those are expensive
I was lokking at manhart piggy back but is close to 3k and i am not sure how much power will give you in real life

[limeypride]

Originally Posted by ctelimad

Sorry to hear that
Most have cost you an arm and a leg to get a new engine
Those are expensive
I was lokking at manhart piggy back but is close to 3k and i am not sure how much power will give you in real life

It did. BMW Bellevue were great and made a case on my behalf (10 new Ms in 6 years) and I got the thing for cost... and then I wept.

I fail to see how any piggy can exceed what the JB4 already does--Terry's been tweaking it for years now with only few improvements/perf gains made for the last couple that I'm aware of. It's probably (but don't take my word for it) the ultimate incarnation of a piggy for the S63TU. It simply can't control enough variables.

[ctelimad]

Originally Posted by limeypride

It did. BMW Bellevue were great and made a case on my behalf (10 new Ms in 6 years) and I got the thing for cost... and then I wept.

Mmmmm
I had jb4 on my m8 non comp vert for a long time and no issues at all
I run map2 as a daily with E mix and runs really good
I push it every now and then (everyday lol) but not crazy
Now i got an m8 coupe comp and i am looking to see what map and fuel should i run