Reply With QuoteSo you spent $75 to save how much?. Pat
Master
SupporterHi all,
We've been suffering with ever increasing fuel consumption on our MY13 90, after initially dropping to under 10.5l/100km as it ran in, it started to increase slowly but surely 11/11.5/12l per 100km. Everyone was telling me it's because of our bull bar, roof rack, MTRs etc. and I was happy with that explanation as we weren't talking big numbers and the increases did seem to coincide with the upgrades... settled about 12.5l/100km, high but not ridiculous.
I tried all the usual things, checking tyre pressures, cleaning the air filter, backing off a bit (I already drive like a granny) but nothing helped. After a particularly bad run a couple of weeks ago, when unloaded and taking it very easy we were well over 13l/100km! Enough was enough, so I did a bit of research and I got myself some MAF cleaner and some of this CRD enhancer from Cost Effective Maintenance (I think one of our fellow members here) and low and behold the last 450km we've done at under 11.5l/100km! Most importantly I've noticed the Ultragage instantaneous usage has really dropped, never below 6.5 before it is now seeing lows of 4-5.
It's not conclusive and I'll keep monitoring over the coming weeks but very happy with these two simple things - if they are in fact the reason! The only other "change" is the slightly warmer weather now down here in Vic.
Interested in others' experience with trying these, they are not cheap... the CRC cleaner is $25 from Supacheap and the additive $50 for 250ml (gets you approx 34 full 60l tanks in the 90) but the extra range and better mix running in the motor might be worth it.
MY13 Defender 90 LE "George"
OldBushie
So you spent $75 to save how much?. Pat
Master
SupporterWell saving 1l/100km is about 41km extra per tank. Over 33 fills that's around 1353km, which compared to previous best case 12.5l/100km I was getting = potentially 169l diesel saved. Around here that's about $250.Originally Posted by PAT303
But cost aside I was more worried about high consumption effect on longevity, burning more = bad right? But then I read somewhere that a richer mix actually burns cooler and is better long term for the motor. Can anyone enlighten me?
MY13 Defender 90 LE "George"
Wizard
SubscriberOn a petrol, but not on a diesel. A diesel runs un-throttled (i.e. there is always more than enough air to burn whatever diesel gets put in the cylinder), so more diesel simply means more power, which means more heat.
My Puma has seen wildly varying fuel consumption, but is still less than 4k kms, so not even run in, but I'll bear the MAF cleaner and CRD stuff in mind for later on!
Dan
'14 Def 110
'75 Lightweight
'98 300Tdi Disco (gone)
'80 2Dr Rangie Classic (gone)
Swaggie
OK, you say you have spent $75 on these two products.
If we assume they both last ~33 fills and on average you refuel 50l...
Then you will save about $140 over ~15000 km (fuel at $1.50/l). Or 0.97c/km.
Master
I can't talk about the MAF cleaner, it seems like a good idea as it is meant to be clean.
The CRD stuff works, I have been using it for the year almost, and have just bought a big bottle as I intend to carry on using it. The rattle I used to have on the injectors which was starting to worry me is gone. The engine is a lot quieter, I have not had any problems with the engine getting hot up steep gradients like I did before and I my fuel consumption is pretty steady at around 10lt/100km and drops down to 9lt/100 if I am just doing my stop start trip up the SE freeway. This is great considering I have a roll cage/roof rack, and weigh around 2.8ton normal. I have the new BAS remap, bigger intercooler, no centre muffler, and cold air/snorkel mods and I tend to use all the extra power and keep to the speed limit or slightly over on the freeways
Master
Yesterday I travelled from Melbourne yo Mt Gambier SA. The winds were absolutely crazy, 4 people in the 110 roof rack loaded with some gear, and the back loaded with luggage and recovery gear. Got to Mt Gambier and filled up at night after some touring and 466km and 59 Litres=12.7L/100Km. Never seen it this way but I think it was expected considering the gusty head winds. I generally manage 11.
Master
SupporterHi Iain, those are pretty impressive figures considering you must be carrying at least a couple of hundred more kg than us at a guess.
Obviously not all down to the CRD with those other mods but do you mind if I ask how you use it? Every fill up? Every second? Dose based on how much you refill etc?
MY13 Defender 90 LE "George"
OldBushie
It's very impressive when you think that Tojo/Nissans don't get near that economy when they are stock standard let alone fitted with roof racks etc. Pat
Master
I have a 120lt tank, and the light comes on around 100lt. In normal driving I only fill up when the light comes on. I put in about 12ml in each tank before I fill up. Bottle says 10ml/80lts, but I am not that fastidious about getting it exact, so might be 10ml or 15ml each time.
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