DIY tuners and mappers unite

[SILICONEKID350HP]

Discopotatoes said:

Your voltage table will be out, check the instructions for you afr gauge it should give you the correct voltages for you to put in to MS

The guage just plugs in to the lead on the controller,where is the volt setup on the Tuner Studio

[Sardonicus]

mattrosersv said:

Thanks Disco. Working from Neal's old map I have an AFR target of 12.9, 12 deg advance at 700RPM/10 deg advance at 1000RPM

I am getting circa 11.5 AFR at running temp

I have already backed out the WUE enrichment as it was running so rich at cold start it was fouling the plugs.

Just seems strange I have an identical set up to Neal and getting different results. I will double/triple check the setting again. I am running a later firmware on MS2 to need to manually copy his settings from Megatune into my Tunerstudio map.

Over the weekend I will have a play with the VE table to see if I can get closer to the AFR target, but ultimately I don't have 100% confidence in WB reading so really need to get this checked out first.

Also don't really know what I am doing

Have you set required fuel correctly in Basic Load Settings/Engine And Sequential Settings? I take it your using TunerStudio? you can also run more advance on idle than 10 degrees with that low comp motor for example I run 18 degrees at 900rpm and the motor loves it

[mattrosersv]

Thanks Sardonicus. Yes I have copied all Neal's engine constants from Megatune with his map to Tuner studio for my map on side by side PCs. I will be going back over them for a third time to make sure I have not made a typo. Interesting about advance another thing to have a play with.

Neal I am using SLC Pure Plus 2 WB controller

[carsy]

Sardonicus said:

you can also run more advance on idle than 10 degrees with that low comp motor for example I run 18 degrees at 900rpm and the motor loves it

I have also noticed this when having a mess around with mine. Up the advance to around this at idle and it ticks over like a Range Rover.

[Discopotatoes]

mattrosersv said:

Thanks Disco. Working from Neal's old map I have an AFR target of 12.9, 12 deg advance at 700RPM/10 deg advance at 1000RPM

I am getting circa 11.5 AFR at running temp

I have already backed out the WUE enrichment as it was running so rich at cold start it was fouling the plugs.

Just seems strange I have an identical set up to Neal and getting different results. I will double/triple check the setting again. I am running a later firmware on MS2 to need to manually copy his settings from Megatune into my Tunerstudio map.

Over the weekend I will have a play with the VE table to see if I can get closer to the AFR target, but ultimately I don't have 100% confidence in WB reading so really need to get this checked out first.

Also don't really know what I am doing

I'm guessing you have an IAT sensor? Check the connections as this could make it run rich if its been disconnected , on my DTA there is a diagnostic section that tells you if a sensor is down and also a base setting for a failed sensor for limp home mode if MS has this it might be worth setting the default to 20 degrees so in a failure it will run at normal operating or what ever your normal operating temp is, this goes for all the sensors that have temperature correction too

Edited by Discopotatoes on Thursday 2nd May 09:21

Edited by Discopotatoes on Thursday 2nd May 09:25

Edited by Discopotatoes on Thursday 2nd May 09:28

[Discopotatoes]

SILICONEKID350HP said:

Discopotatoes said:

Your voltage table will be out, check the instructions for you afr gauge it should give you the correct voltages for you to put in to MS

The guage just plugs in to the lead on the controller,where is the volt setup on the Tuner Studio

Wouldn't have a clue as I don't use MS but all stand alones are basically the same so it should be somewhere in the lambda setup area of the software, it won't be far out maybe only a few millivolts

[mattrosersv]

[quote=Discopotatoes]
I'm guessing you have an IAT sensor? Check the connections as this could make it run rich if its been disconnected , on my DTA there is a diagnostic section that tells you if a sensor is down and also a base setting for a failed sensor for limp home mode if MS has this it might be worth setting the default to 20 degrees so in a failure it will run at normal operating or what ever your normal operating temp is, this goes for all the sensors that have temperature correction too

Hi Discopotatoes,

Yes I do have an IAT, but can see what it is showing in Tunerstudio and it looks sensible. Good suggestion on setting it to static 20 deg to rule out any issues here.

I'll double check all my settings before wasting any more of anyone's time! Should manage to escape to the garage for a decent amount of time at the weekend and see where I get to. Will report back.

Thanks again,

Matt

[mattrosersv]

Well had a good play today and fixed my bad earth prob which turned out to be the front earth point (bh seeing as it was buried under turbos, intercooler pipes and cooling pipe, but a modified spanner saved me having to rip it all to bits

After fiddling around with the VEs and following a conversation with Neal in the week I bought the auto tune add on for Tuner Studio. Hit the button and went for a drive.

I now have a car that runs well with 13.00 AFR at idle - no matter what I did when I was trying to tune it manually I could not get it to run this lean. It is still hunting very slightly at tick over even when I wound the advance at idle up to 18 deg as suggested. It is slightly better with more advance.

I am still a bit confounded that I could not get the car running properly with all of Neal's settings (Accel Enrich and WUE) but with the base settings that Phil (Extra EFI) kindly provided and Neal's table settings as a base I now have a car that seems to run smoothly.

Next stop rolling road with someone that knows what they are doing. At least I should be able to drive it there

[SILICONEKID350HP]

Just registered Tuner Studio .I`m a bit confused how the auto tune works ..I thought the Autotune works off the afr targets then changes the vE table to suit ..

Where do I decide to burn it after logging or burn all the time .Not 100% sure what settings to put in the right hand side box ..

[mattrosersv]

If I am honest I just hit the Autotune button and let it get on with it. It tunes to AFR table as far as I am aware although I think it takes in other aspects of map and works by magic??

I am certainly no expert (more of a dangerous idiot) so at your own risk etc..

It will out of the box tune and run off tuner studio then just hit 'burn' after having a drive, or while you are going along. Obviously save your working map before doing any of this...... If you don't burn before turning off it gives you a warning.

It certainly got my car running very nicely quickly (except slight hunt at tickover). I still need to RR to ensure AFR is optimum.

Matt

[SILICONEKID350HP]

mattrosersv said:

If I am honest I just hit the Autotune button and let it get on with it. It tunes to AFR table as far as I am aware although I think it takes in other aspects of map and works by magic??

I am certainly no expert (more of a dangerous idiot) so at your own risk etc..

It will out of the box tune and run off tuner studio then just hit 'burn' after having a drive, or while you are going along. Obviously save your working map before doing any of this...... If you don't burn before turning off it gives you a warning.

It certainly got my car running very nicely quickly (except slight hunt at tickover). I still need to RR to ensure AFR is optimum.

Matt

Thanks for that ..I have some very rich areas on cruise I want to lean off from 14.1 to 14.7 at around 50mph .. I don`t want it to change the afr tables ,how does it all work ..

[macdeb]

Hi guys, a little help/advice required if poss'. On a recent trip the guy following me said my car was blowing dark grey smoke, mostly on overrun. We connected lap-top and the afr stayed at around 14.7 whatever throttle opening? Thought the sensor may have been dis-connected at some time so with Neals help we recalibrated the 'tech-edge' sensor in fresh air and went for a run last night. Now, I couldn't detect any smoke last night but the AFR reading was wierd. On low throttle and tick over it seemed fine though it was too rich at first after warm up so we [neal] leaned it off a bit [just a couple of boxes at tick over], then went for a run. Now when the throttle was planted the AFR went to the 17's then down a bit to high 15's low 16's but didn't drop further when cruising. No pinking or anything but did notice a slight 'bog-down' on initial throttle opening.
Two other things have changed since the car was mapped originally those being a larger throttle on the plenum and a new decat 'y' piece. Thought it suggests more air-flow so may need adjusting, ???
So, smoke before sensor recalibrated none so far since.
Readings are now very lean and no enrichment on wide throttle opening
Readings staying lean. Can anyone shine some light? ta,

[spitfire4v8]

Disable any lambda trimming to your ecu. Get your lambda gauge checked against a proper dyno cell unit. Get your car mapped and leave it alone.ms and widebands rarely work properly

[db484bhpv8]

If its not set to self trimming then its just running lean due to the decat and throttle mods.

Get the fuel table richened up a little at a time or better still map it whilst on the move.

[macdeb]

trimming, self-trimmimg??
The smoke was my real concern. Could it have been because the wideband wasn't doing anything for that short spell? I'm more nuts and bolts than electrics.

[GasMunkey]

macdeb said:

I'm more nuts than ecentric.

[SILICONEKID350HP]

macdeb said:

Hi guys, a little help/advice required if poss'. On a recent trip the guy following me said my car was blowing dark grey smoke, mostly on overrun. We connected lap-top and the afr stayed at around 14.7 whatever throttle opening? Thought the sensor may have been dis-connected at some time so with Neals help we recalibrated the 'tech-edge' sensor in fresh air and went for a run last night. Now, I couldn't detect any smoke last night but the AFR reading was wierd. On low throttle and tick over it seemed fine though it was too rich at first after warm up so we [neal] leaned it off a bit [just a couple of boxes at tick over], then went for a run. Now when the throttle was planted the AFR went to the 17's then down a bit to high 15's low 16's but didn't drop further when cruising. No pinking or anything but did notice a slight 'bog-down' on initial throttle opening.
Two other things have changed since the car was mapped originally those being a larger throttle on the plenum and a new decat 'y' piece. Thought it suggests more air-flow so may need adjusting, ???
So, smoke before sensor recalibrated none so far since.
Readings are now very lean and no enrichment on wide throttle opening
Readings staying lean. Can anyone shine some light? ta,

I would of thought it would of not made alot of difference on Dales map ! Its all been done on his lambdas on the rollers ..Why not turn the EGO off and see how it runs .

Whats the procedure for re setting the lambdas and did you give the lambdas a good blast of air? Mine are welded in a place where they soot up quickly .

[macdeb]

Cheers Daz, will try it, but question remains;
Would a wideband sensor that had missed out on calibration for a short time [disconnected-reconnected] cause what appeared to be an overfulling issue [dark grey smoke from exhaust] ?
I can't of upset that many on here, can I?

[macdeb]

macdeb said:

I can't of upset that many on here, can I?

[db484bhpv8]

macdeb said:

macdeb said:

I can't of upset that many on here, can I?

Hi Mac.

I am confused. Is your MS set to read and tune from the wideband all the time normally?
My MS isnt even connected to the wideband (or the old lambds for that matter).

I tuned mine on the fly manually then burn to the ECU..... done.

When is a good time to pop by Friday? I want to be at Mallory at drinks o'clock tho