Hey all,
I have a question to do with Fuel consumption and the affect of manual locking hubs.
I've recently replaced the auto hubs on my GU patrol with manual hubs and was wondering if anyone knows if this will improve the fuel economy of my thirsty 4.5?
I know with the landcruser (constant 4wd) fitting manual hubs to disengage the front diff will improve the fuel economy.
Will fitting manual hubs to the patrol also be an improvement or do the auto hubs fully disengage the front diff the same as manual hubs do anyway??
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Fuel consumption. Auto VS Man Hubs
Fuel consumption. Auto VS Man Hubs
Thirsty GU. TI, 4", 33's, factory locker.
Re: Fuel consumption. Auto VS Man Hubs
No difference
GQ Patrol Wagon, 6 point roll cage
351 cleveland, CHI heads, solid cam, Funnelweb single plane, 750 HP DP
351 cleveland, CHI heads, solid cam, Funnelweb single plane, 750 HP DP
Re: Fuel consumption. Auto VS Man Hubs
x2351ciofgrunt wrote:No difference
Don't Gu's come with an auto/locking hub that can be set to auto, or fully locked?
DanwinGQ wrote:Hey all,
I know with the landcruser (constant 4wd) fitting manual hubs to disengage the front diff will improve the fuel economy.
It's not measurable. It's marketing crap.
The worst part about being told you have Alzheimer's, is that it doesn't just happen once.
Re: Fuel consumption. Auto VS Man Hubs
maybe 0.00001L/100km better
'91 Toyota Surf SSR Ltd. 2.4 TD Auto, Coil SAS, Duals, 4.88, Longs w/ front ARB, 35" MTRs
'97 Toyota Surf SSR-G Intercooled 3.0 TD Auto. 2" lift, Xrox bar, Waeco, Drawers, 32" BFGs
'97 Toyota Surf SSR-G Intercooled 3.0 TD Auto. 2" lift, Xrox bar, Waeco, Drawers, 32" BFGs
Re: Fuel consumption. Auto VS Man Hubs
yeah didnt think so either. My mechanic seemed to think it would help.
The auto hubs are auto or they can be locked manually.
The auto hubs are auto or they can be locked manually.
Thirsty GU. TI, 4", 33's, factory locker.
Re: Fuel consumption. Auto VS Man Hubs
They are totally different cars one is full time 4wd and one is part time 4wd? not the same boat!
To save fuel on a 4500 you need to remove the gravitational pull of your foot to the fire wall, drive less or change engines not much else will do much unfortunately, every change will be small.
do you run roadies or muds?
To save fuel on a 4500 you need to remove the gravitational pull of your foot to the fire wall, drive less or change engines not much else will do much unfortunately, every change will be small.
do you run roadies or muds?
*there's a rock, drive over it :) there's a bigger rock, drive over it :twisted: there's an even bigger rock, oops broke it :oops: Upgrade broken bit :bad-words:
Goto *
Goto *
Re: Fuel consumption. Auto VS Man Hubs
Which would save more fuel: A part time kit; or a hiclone?
The worst part about being told you have Alzheimer's, is that it doesn't just happen once.
Re: Fuel consumption. Auto VS Man Hubs
I cant believe you even think its a contest!oldmate wrote:Which would save more fuel: A part time kit; or a hiclone?
*there's a rock, drive over it :) there's a bigger rock, drive over it :twisted: there's an even bigger rock, oops broke it :oops: Upgrade broken bit :bad-words:
Goto *
Goto *
Re: Fuel consumption. Auto VS Man Hubs
sadly i agree it wouldn't have any effect being auto or manual hubs, if you want to make your 4.5 cheaper to run simply gas it or get rid of it, I'm on the same boat as you mate owning a 4.8 ,
Re: Fuel consumption. Auto VS Man Hubs
i think you got auto hubs mixed up with no hubs.
autos should be unlocked when your on tarseal so its exactly the same as a manual hub unlocked. knowing that people forget to unlock manual hubs means auto have a very slight adavantage (assuming they are working properly).
some part time 4x4's have no hubs ie the shafts rotate even when in 2wd (eg some navaras). fitting manual hubs often gain about 1 litre per 100km/s. even vehicles with ADD (diff disconnect) gain fuel economy, less wear on tires and CV's.
autos should be unlocked when your on tarseal so its exactly the same as a manual hub unlocked. knowing that people forget to unlock manual hubs means auto have a very slight adavantage (assuming they are working properly).
some part time 4x4's have no hubs ie the shafts rotate even when in 2wd (eg some navaras). fitting manual hubs often gain about 1 litre per 100km/s. even vehicles with ADD (diff disconnect) gain fuel economy, less wear on tires and CV's.
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