4.8 diesel conversion
Submitted: Saturday, Oct 13, 2012 at 11:44
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Trev&Ness B
gday i have a 2003 4.8 patrol auto and was wandering if anyone knows much about converting the 4.8 to diesel or fitiing a 4.2 turbo diesel.
Reply By: Member - Bruce C (NSW) - Saturday, Oct 13, 2012 at 19:14
Saturday, Oct 13, 2012 at 19:14
Hi Trev&Ness,
Before you spend a peny on conversions or updating I would find a diesel of the type you are contemplating and take it for a
test run.
The only benefit would be fuel consumption in my opinion and you may be very dissapointed with the diesel performance compared with the 4.8 petrol.
There are some members on here who have 4.8 patrols and are so happy with them that they would not consider diesel Patrols.
Look hard before you leap, otherwise you may be regretting for a long time and be poorer for the experience.
I had a turbo diesel and have gone back to a 4.7 petrol and I am far more satisfied with it than I was with the turbo multi valve diesel Cruiser so I am speaking from personal experience.
Cheers, Bruce.
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Reply By: Robin Miller - Monday, Oct 15, 2012 at 18:50
Monday, Oct 15, 2012 at 18:50
Can't be done in any reasonable way Tess , and no benefits either - you actually get
less towing performance etc.
It isn't just the engine either , the auto has to be mated to the 4.8 ECU and you can't
even get an aftermarket ECU to match the auto to anything else.
The tailshafts , gearing, multiple body sensors etc are all different.
One of our familys 4.8s is on gas and while I personnaly wouldn't do this it does
lower the weekly fuel bill significantly.
The 4.8 already has a lot more torque than the diesels and the addition of gas
makes them even better at the cost of top end power.
AnswerID:
496726