Thread: D2 towing and fuel advice AdrianS

This bit is very interesting Phillip,
Factory 4.0 and 4.6 motors have low down torque limited to reduce NOx, and the main attribute of the Motronic was to limit emissions which meant both a lean mixture and relative retard at low rev

Originally Posted by Pedro_The_Swift

you lot need to read,,
he owns a 4.6 Vbloody8.

the good advice from all of the above is
keep it locked up.
The V8 will lockup at 60,, yes even with 2T on the back,,
and it will stay locked up down to 60,,

any sort of climb at 80 kays with a 4.6 will see you locked up in 3rd,,

on the flat mine will accelerate happily from 1900rpm in 4th locked up.

put a trans cooler on VERY QUICKLY or the new box will burn like the old one---
there are a LOT of threads covering this-- and yes I have the biggest I could find.

Fuel? Plan on around 25L per hundred, but you should see better than that,,

Double change the trans fluid and use a synthetic, Castrol Tansmax Z is THE best,, but not many can afford it,, the regular castrol syn is good.

The gearing in 4th is rat**** for towing any sort of load, at 2100rpm at 100 kays theres little on offer,, add just ten KPH and things just run along swimmingly

Hi pedro

whar are the details of the cooler you have?
completely agree, an extra 5-10 km/h on the v8 getting it to 105-110 km/h it's much happier than at 100km/h.
you didn't mention mention sport mode, I generally don't use sport so I can encourage the v8 to say in 4 th as long as possible when towing heavy loads.
although I do know that when it does change it unlocks first before deciding if it's not enought before a real down change.