[Joeywong]

so finally my JB4 has arrived...going to fit it on sat....

which maps can I run on a standard car? maps 1,2 and 5?

is it safe to run map 5 with no mods??

[kev335i]

Map 1 or 5
I'd suggest 5 since after a few wot pulls it will auto tune to your mods or lack of and fuelling

[Joeywong]

thanks, do you know what psi map 5 runs if im running vpower?

[tc535i]

Originally Posted by Joeywong

thanks, do you know what psi map 5 runs if im running vpower?

with no other mods? probably 13 or so

[ArsE92]

Yeah, go for map 5. Pretty sure it can run up to 17psi or so.

Make sure you fit the USB cable when you're under the bonnet so that you can pull some data and look at performance graphs etc. You'll then get an idea of what boost you're getting across the rev range.

Give the JB4 a bit of time to settle in. I think it needs 3 WOT runs in 3rd gear to auto-lean.