Originally Posted by Stu @ M Developments

On this very subject, ive a car in right now that reminds me 100% why i refuse to do greys OTS.

This car is running greys, T34, 7.4:1 and a BD14.

At cruise.. 4th gear and 40mph its running 8.09:1

At cruise.. 80mph 5th gear its running 8.56:1

On boost, 28Psi above 5500rpm, its running lean at 13.6:1
It melted the same day he bought it or very soon after as i recall?

It cost the fella approx.. wait for it...



£250 in fuel to get it here approx 500Miles!! Thats 2miles per £1

This engine is faultless and ive spent an hour on it datalogging the outputs.. its a pure mapping fault. Its rich everywhere but where it matters