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Help to choose right setup

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STC

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Post 26 Nov 2018, 02:16

Re: Help to choose right setup

to get 70deg 13 teeth should be ok?

13 will be Ok

Witch way is better to connect tachometer?
with diodes or Hall_out?

Both methods yield to the same result, but circuit with diodes is slightly tricky and may require to select appropriate value of resistor (some experimentation). Advantage of circuit with diodes is that it doesn't use additional output.
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Zastava128

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Post 26 Nov 2018, 19:46

Re: Help to choose right setup

Hello.
The exemple I found about T.A.P.s

I don't remember exactely how they work but there are many switches to add advance step by step.
Probably before to get 9° there are two 3° steps.
I told it not to follow that exemple as it is at the first attempt.
That was some years ago, now they use programmable lpg ecus.
I heard about TAPs that use a M.A.P sensors. I don't know how they work.
Maybe they aren't very different from the next exemple.


By altering the signal they make so the engine load seems lighter.
In that case we can't know how many degrees it adds, engine maps are different from a car to other cars.
Of course, a programmable individual map is better, it takes some tests.
Bye.
Last edited by Zastava128 on 27 Nov 2018, 22:04, edited 1 time in total.
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Arnis

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Post 27 Nov 2018, 01:12

Re: Help to choose right setup

I got project from TunerStudio that was used on same car and engine but with injection. I got carburetors.
. I tried to convert TSmsq2s3f-0.1.1 to secu,

Loading MSQ...
Converting...
Parameter 'veTable1' OK: [16x16], %
Parameter 'afrTable1' OK: [12x12], AFR
ERROR reading 'advanceTable' parameter!
ERROR reading 'frpm_table' parameter!
Saving S3F...
Done!

is there anything useful in TS file to pull out to in my firmware ?
I`m right now zero in map files.
may be somebody can help me.................
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STC

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Post 27 Nov 2018, 14:57

Re: Help to choose right setup

There is no any official and supported tool to convert from TS/MS to s3f.
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Zastava128

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Post 27 Nov 2018, 22:35

Re: Help to choose right setup

Hello.
I can't manage software for mapping at all.
I don't think it takes a long time to write values in a 16x16 ignition table.
If you can read thoose values they'll be useful for first map.
I saw adapters to convert costant velocity carburetors in TBI.
A TPS on a Stromberg carburetor.






I think your TPS'll make it easier.
The adaptors for the conversion.



There are adaptors for other carburetors too.
Adaptor.jpg
Adaptor.jpg (11 KiB) Viewed 116 times
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Zastava128

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Post 27 Nov 2018, 22:57

Re: Help to choose right setup


injection.jpg
injection.jpg (10.71 KiB) Viewed 114 times

They are exemples only, you aren't interesting in injection conversions.
How would two injectrors work on two throttle bodies for six cylinders?
Somewhere is written that for LPG it takes less total advance.
Generally it never happened using old TAPs.
I don't think it'll be difficult to discover it on your engine.
I didn't know that the chart with gasoline,LPD and CNG ignition curves was already on this forum, it was used for a CNG ignition map, it was used as it is, adding those values to the gasoline ignition map.
Generally CNG is the same everywhere, LPG is not the same everywhere, it's a mixture and the quality is not always high.
I'd add more advance step by step with caution.
Bye.
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Arnis

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Post 27 Nov 2018, 23:46

Re: Help to choose right setup

Quick question,
What diodes I should use for relay shunt flyback?
can I use Schottky n5819 ?
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STC

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Post 28 Nov 2018, 00:32

Re: Help to choose right setup

can I use Schottky n5819 ?

Yes, you can use mentioned diodes. But it is better to use regular p-n diode, e.g. 1N4007. Schottky diodes are feeble against high voltage ripples.
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Arnis

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Post 29 Nov 2018, 19:04

Re: Help to choose right setup

Haw bad is that I get timing offset for btdc. Othewise ckp is in between teeth. Could be god in manager have half teeth also. To match timing btdc for smart masters like me.
Making fastening for ckp without checking if it hits right place of trigger wheel.
Image
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Zastava128

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Post 30 Nov 2018, 16:47

Re: Help to choose right setup

Hello.
What happened? Is it 2°-3°later?
Isn't there enough room to move the sensor bracket? Can it be modified to make it adjustable?
Bye.
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