Using 2-stroke mix in the 4WD

Submitted: Thursday, Mar 13, 2008 at 17:32
ThreadID: 55509 Views:2834 Replies:10 FollowUps:7
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What problems might I cause by using 2-stroke mix in the 4WD? I often have 10 to 20 litres of mix left after a fishing trip. If I am getting nervous about reaching the next fuel stop, would it be OK to pour, say, 10 litres of 2-stroke mix (unleaded with 1:50 Shell Nautilus) into the 4WD tank (say 40 litres of unleaded in a 100-series LC (1FZ-FE engine).

Then, when I'm really starting to panic, what would be the effect of running on straight 2-stroke mix?

Any advice appreciated.
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Reply By: Ray - Thursday, Mar 13, 2008 at 17:44

Thursday, Mar 13, 2008 at 17:44
Might smoke a bit but won't do any harm
AnswerID: 292527

Follow Up By: DIO - Thursday, Mar 13, 2008 at 17:46

Thursday, Mar 13, 2008 at 17:46
What about Catalytic Converters and Oxygen Sensors?
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FollowupID: 557959

Follow Up By: Member - Phil G (SA) - Thursday, Mar 13, 2008 at 17:59

Thursday, Mar 13, 2008 at 17:59
100series 1FZ-FE doesn't have an oxygen sensor.
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FollowupID: 557960

Reply By: stefan P (Penrith NSW) - Thursday, Mar 13, 2008 at 17:46

Thursday, Mar 13, 2008 at 17:46
I would say very smokey and fouled up plugs at the very least....
AnswerID: 292528

Reply By: On Patrol (East Coast) - Thursday, Mar 13, 2008 at 17:48

Thursday, Mar 13, 2008 at 17:48
GOM
diluted as much as you say should not cause great concern if done occasionally. Yes check the plugs a little more often.

Colin.
AnswerID: 292529

Follow Up By: Member - Glenn G (QLD) - Thursday, Mar 13, 2008 at 19:04

Thursday, Mar 13, 2008 at 19:04
Hey colin and onpatrol ,do you put Helium in those Patrol tyres ?

Giffo
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FollowupID: 557973

Follow Up By: On Patrol (East Coast) - Thursday, Mar 13, 2008 at 19:36

Thursday, Mar 13, 2008 at 19:36
Nah Glenn
AIR JACKS they are my new invention, beats Exhuast jacks and high lift jacks etc.
I have fitted two other cars with them so far.

See stefanP & Boldjack rig pics.
They also have them, we tested them together on Stockton Beach, they work best at speed over a dune lip, still trying to get them to work stationary, thats been a problem so far.
Colin.
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FollowupID: 557978

Reply By: Member - Len H (QLD) - Thursday, Mar 13, 2008 at 18:19

Thursday, Mar 13, 2008 at 18:19
Crikey GOM

It'd make one helluva lawn mower though!

Regards,

Len
AnswerID: 292536

Reply By: Shaker - Thursday, Mar 13, 2008 at 20:14

Thursday, Mar 13, 2008 at 20:14
At 250:1 (ie: 4ml per litre), it would make absolutely no difference!
AnswerID: 292550

Reply By: Mike Harding - Thursday, Mar 13, 2008 at 20:26

Thursday, Mar 13, 2008 at 20:26
I'm confused - story of my life really :)

If you have 40lt left in the tank surely that will give you at least 200km of travel? If you are further out than 200km and intending to depend upon what is in the tank then perhaps you need to carry extra fuel?

Mike Harding
AnswerID: 292554

Follow Up By: Member - Fred G (NSW) - Thursday, Mar 13, 2008 at 20:35

Thursday, Mar 13, 2008 at 20:35
Mike, I get the feeling he wants to know if it is safe to use up unused outboard fuel in the 4wd after he gets home.
Fred. :-))
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FollowupID: 557994

Reply By: GOM - Thursday, Mar 13, 2008 at 21:10

Thursday, Mar 13, 2008 at 21:10
Thanks for the responses.

I wasn't too worried about the catalytic converter, as I would have thought that it would be good at burning off unwanted residues in the exhaust. Would there be a problem with the fuel injectors though, (I know precious little about them).

I'm also not concerned about using up the mix once I get home (it does a pretty fine job of killing off European wasp nests). Having said that though, the thought did cross my mind that I could use it in the brushcutter. The oils look quite different though for outboards and for other 2-stroke engines, so that's probably not a wise option.

No, the main question would be "is there any problem at all in pouring 2-stroke mix into the 4WD, and if so, what sort of dilution might be safe? The figures I used are just for an example. I might have 4 litres of unleaded left and be wondering about that litre or so of mix I have left.

Cheers.
AnswerID: 292563

Follow Up By: age - Thursday, Mar 13, 2008 at 21:23

Thursday, Mar 13, 2008 at 21:23
The thing I dont get is you are willing to experiment with $6 worth of outbord fuel that has the potential to cause $1000's of worth of damage !!!! You have a better outlook trashing the brushcutter

Most outboard oils are TCW3 spec and should be ok in other 2 stroke appliances that dont burn hot

Cheers

A
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FollowupID: 558018

Follow Up By: Member - andrew B (Kununurra) - Thursday, Mar 13, 2008 at 22:03

Thursday, Mar 13, 2008 at 22:03
Some 2 stroke oils are for outboards/water cooled 2 strokes only (not many water cooled 2 strokes about except some motorbikes). I used to use outboard fuel in the mower, never seemed to mind it but it made a lot of differance switching to an air cooling recomended oil, then I think I found that sthil oil will run everything well.....I'm sure it was sthil, mower, old jhono 15hp and whipper snipper ran beautifully on it, started the webber well also.....dog barbeque....woof!

Cheers Andrew
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FollowupID: 558036

Reply By: Richard Kovac - Thursday, Mar 13, 2008 at 21:28

Thursday, Mar 13, 2008 at 21:28
Nissan's seem to run on a mix of petrol and sump oil OK, can't see why a Toyota couldn't.. LOL
AnswerID: 292567

Reply By: Member - Bucky (VIC) - Friday, Mar 14, 2008 at 05:47

Friday, Mar 14, 2008 at 05:47
Chuck it straight in mate !

Nil effect, you may see a little smoke, but I doubt it !

Cheers
Bucky

AnswerID: 292598

Reply By: Member - Hughesy (NSW) - Friday, Mar 14, 2008 at 19:14

Friday, Mar 14, 2008 at 19:14
My old man used to race go karts and would always try and use "fresh" fuel for races. He used to put the left over 5 odd Litres of 2 stroke into his hiace van. After about 2 years of doing this every couple of months he glazed up the cylinders and had to strip the motor and re hone the bore. A once off would make no difference but don't do it regularly.
AnswerID: 292707

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