Running rich on auto-lube.

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    ModdyBoy

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    Running rich on auto-lube.

    Post by ModdyBoy on Mon Nov 19, 2012 8:11 am

    So, I'm new to large frames, and especially auto-lube. I've got a T5 MK1, but she's running rich on the auto-lube, is there anyway I can change the amount of oil getting into the fuel? If so, how do I know it's at the right amount?

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    Wally
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    Re: Running rich on auto-lube.

    Post by Wally on Mon Nov 19, 2012 8:19 am

    Nope, it's set. If it's running too rich then you need to change your jetting. What's the spec and what's it running currently?


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    ModdyBoy

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    Re: Running rich on auto-lube.

    Post by ModdyBoy on Mon Nov 19, 2012 8:32 am

    Jetting is another new thing to me, is it the jets in the carb? And it's 152 polini and it's running on "Rock Oil Fully Synthetic synthesis 2 injector" currently.
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    Wally
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    Re: Running rich on auto-lube.

    Post by Wally on Mon Nov 19, 2012 8:50 am

    Yes. Assuming it's the standard T5 carb (SI24/24G) then it's only really the main jet that you can alter. Ball park for a 152 is around the 120 mark depending on the exhaust you're running.

    Also when you say too rich are we talking about the plug being too dark at WOT, or at up to 3/4s throttle/tickover?


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    ModdyBoy

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    Re: Running rich on auto-lube.

    Post by ModdyBoy on Mon Nov 19, 2012 9:01 am

    It's running a Taffspeed exhaust. What it does is it cuts out then when I take the plug out, it's dark and when it ticks over, it's ticking over at 1 and a half revs...
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    Wally
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    Re: Running rich on auto-lube.

    Post by Wally on Mon Nov 19, 2012 9:09 am

    Assuming your plug isn't worn out (try a new one as a matter of course) this sounds like an issue with your mixture and idle screw settings rather than jetting. T5s particularly will always run slightly too rich at tickover, but at WOT this will all lean out.

    Reset the mixture screw to 1.5 turns out and the idle to 2.5, then adjust the mixture screw by 1/8 of a turn outwards until it revs cleanly (i.e. doesn't bog or hold back when you turn the throttle), then take the idle screw out so it ticks over without dieing. Then when you're happy with it take it on a decent run out and do a plug chop at WOT and see what you've got.


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    josh

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    Re: Running rich on auto-lube.

    Post by josh on Mon Nov 19, 2012 9:03 pm

    remove autolube and mix yaself
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    Wally
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    Re: Running rich on auto-lube.

    Post by Wally on Tue Nov 20, 2012 12:26 am

    josh wrote:remove autolube and mix yaself

    If it ain't broke don't fix it. More a question of personal preference.


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    ModdyBoy

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    Re: Running rich on auto-lube.

    Post by ModdyBoy on Tue Nov 20, 2012 2:12 am

    Cheers Wal, I'll get back to you on how it goes Smile
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    josh

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    Re: Running rich on auto-lube.

    Post by josh on Tue Nov 20, 2012 7:36 am

    that is a good point wally

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