Omega Owners Forum - Telio / Autogas

Kevin Wood

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Re: Telio / Autogas
Reply #45 - 15. Apr 2011 at 12:18

chrisgixer wrote on 15. Apr 2011 at 12:14:

Though that may explain the switching back to petrol in the corners on my old car, but lag under acceleration only...?

Acceleration can cause the fuel to slosh too.. although the only mechanism by which the tank pickup can affect the running is through the vapour pressure at the output of the vapouriser, which we're monitoring, so I would expect any issues to be visible in the datalog.

Maybe it's just not logging fast enough?

Kevin

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Albs Omega King Offline The upgrades are ongoing. Posts: 15083 North Essex Gender: Drives: 2000 2.5CD with LPG/Honda cbr600 FX	Re: Telio / Autogas Reply #46 - 15. Apr 2011 at 12:19 Is it possible to have an LPG tank with baffles in ? That would prevent "slosh". None of this affects me, as my car rarely goes above 3000rpm.
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chrisgixer

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Black ones are faster.

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Re: Telio / Autogas
Reply #47 - 15. Apr 2011 at 12:26

Kevin Wood wrote on 15. Apr 2011 at 12:18:

chrisgixer wrote on 15. Apr 2011 at 12:14:

Though that may explain the switching back to petrol in the corners on my old car, but lag under acceleration only...?

Acceleration can cause the fuel to slosh too.. although the only mechanism by which the tank pickup can affect the running is through the vapour pressure at the output of the vapouriser, which we're monitoring, so I would expect any issues to be visible in the datalog.

Maybe it's just not logging fast enough?

Kevin

I'm thinking, perhaps wrongly, that the lag increases gradually in direct correlation to tank level de creasing? Going by descriptions. Would that mean tank pressure variations are affecting the vap somehow? Or some other reason...? The two appear related?

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TheBoy Administrator Offline TBE has an MOT! Posts: 64817 Brackley, Northants Gender: Drives: 98 MV6, 03 Elite, 00 25, 89 ZX10	Re: Telio / Autogas Reply #48 - 15. Apr 2011 at 12:53 I tried calibrating at low gas with mv6, still lags at high rpm gearchange I think its related to pressure, but cannot see it on diags
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TheBoy Administrator Offline TBE has an MOT! Posts: 64817 Brackley, Northants Gender: Drives: 98 MV6, 03 Elite, 00 25, 89 ZX10	Re: Telio / Autogas Reply #49 - 15. Apr 2011 at 12:55 Should say, mv6 is higher flow multivalve, elite is 4 hole Not used elite much On gas (200m ?), but think neither struggles to cope with full bore large
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Lazydocker

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Re: Telio / Autogas
Reply #50 - 15. Apr 2011 at 13:15

Kevin Wood wrote on 15. Apr 2011 at 12:18:

chrisgixer wrote on 15. Apr 2011 at 12:14:

Though that may explain the switching back to petrol in the corners on my old car, but lag under acceleration only...?

Acceleration can cause the fuel to slosh too.. although the only mechanism by which the tank pickup can affect the running is through the vapour pressure at the output of the vapouriser, which we're monitoring, so I would expect any issues to be visible in the datalog.

Maybe it's just not logging fast enough?

Kevin

The speed of logging has been discussed Roll Eyes