Vehicle & Technical > Discovery
GMC Diesel
ian101:
Was tlod today that a GMC disel engine fits quite nicely into a disco, engine sizes starting from 4.5l. Has anybody here got one fitted? What sort of money are they and what is the fuel economy like on the roads?
In short is it worth considering?? :twisted:
Thanks
Ian
petergalileo:
we have a GMV V8 Diesel fitted in a Defender 110 attached to a santana gearbox. Its a beast, has more go in it than a Landy V8, you hear it before you see it and it guzzled Diesel like a Renault Magnum towing 40 tonnes up a really steep hill !
New parts seem difficult to get hold of (other than in the USA) and are a little more expensive than equivalent 300TDi or V8 parts.
They suffer from poor oil circulation if they stand for a long period and lots and lots of oil and filter changes are advised.
I hope that doesn't put you off too much but it really is a monster, everyone looks at it and its REALLY out of place driving around a town centre or on a school run !
thermidorthelobster:
Out of interest, when you say guzzled, how much are we talking guzzling here? I contemplated one for the 101, but wondered if I'd get much better economy than on Unleaded in the end.
ian101:
I as toying with a 4.5l, what sort of guzzling would that do on the motorways / long runs?
Budgie:
Not heard of a 4.5l GMC, seen 5.7, 6.2 and 6.5's but not a 4.5.
5.7's are supposed to be the most reliable and the 6.2's seem easier to get hold of.
You really need a strong gearbox on the end of it, something like the Santana or the old Rangie 3-speed auto otherwise the torque they produce will just rip a normal box apart.
I drove a 5.7 fitted to an early 110 that only had a Rangie 4-speed manual box and you didn't need to use 1st or 2nd, it would pull away in 3rd with no problems.
IIRC that one was doing about 23-25mpg, when driven carefully. :wink:
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