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Old 02-23-2018, 06:53 PM   #1709
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Originally Posted by chargedup View Post
That seems like the least of my worries... with this log manifold pressure hits 20psi, timing hits 60*, both of which are pretty impossible. I'm not sure if im logging the correct tune or what.. other dude said this was the stock tune

Ok if its a sprintex sc 210 unlikey it possiblt to git 20 psi boost.

If your getting boost indications that high and combined with super rich

My guess would be the map sensor manifold pressure sensor has gone bad , this would explain ghe rich running if its a speed density tune

You rearly need to get shop to look at it
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Old 02-23-2018, 07:12 PM   #1710
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That seems like the least of my worries... with this log manifold pressure hits 20psi, timing hits 60*, both of which are pretty impossible. I'm not sure if im logging the correct tune or what.. other dude said this was the stock tune
He asked if you try to log a stock tune with Ecutek. If you are supercharged you are for sure not on stock tune.

You are logging with Ecutek. Why? Was it also tuned with Ecutek?

Why are you logging it? Any problems with how it runs?

The manifold pressure doesn't hit 20 PSI. It's between 0.2 and 1.36 bar. That's 5 PSI boost which seems normal for a Sprintex supercharger. 56.5 deg timing seems about right at low load and on overrun with E85 too. It's running rich as already mentioned.

If you are not familiar with tuning, you best bet would be to contact a good tuner. If no one local to you with FT86 experience, then get in touch someone that can tune it remotely (e.g. www.delicioustuning.com ). Starting out with DYI tuning on forced induction doesn't sound like a good recipe for success.
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Old 02-23-2018, 10:54 PM   #1711
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Originally Posted by Tor View Post
He asked if you try to log a stock tune with Ecutek. If you are supercharged you are for sure not on stock tune.

You are logging with Ecutek. Why? Was it also tuned with Ecutek?

Why are you logging it? Any problems with how it runs?

The manifold pressure doesn't hit 20 PSI. It's between 0.2 and 1.36 bar. That's 5 PSI boost which seems normal for a Sprintex supercharger. 56.5 deg timing seems about right at low load and on overrun with E85 too. It's running rich as already mentioned.

If you are not familiar with tuning, you best bet would be to contact a good tuner. If no one local to you with FT86 experience, then get in touch someone that can tune it remotely (e.g. www.delicioustuning.com ). Starting out with DYI tuning on forced induction doesn't sound like a gooyd recipe for success.
not stock tune obviously.. yes tuned w/ ecutek via moto east. No issues really, was just wanting to data log and send to tuner for adjustments. I'm not trying to tune my own car my guy.

also. 1.36 bar is 20 PSI
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Old 02-24-2018, 08:33 AM   #1712
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Originally Posted by chargedup View Post
not stock tune obviously.. yes tuned w/ ecutek via moto east. No issues really, was just wanting to data log and send to tuner for adjustments. I'm not trying to tune my own car my guy.

also. 1.36 bar is 20 PSI
You're not factoring in that 1bar is atmospheric pressure, ie. No boost. 1.36 bar is 0.36 bar of boost, the limit of the OEM MAP sensor.

The reason I asked stock tune is that loads of parameters that I would log are missing, mainly the RaceROM parameters, which tends to be the case if you log a non-EcuTek tune with EcuTek.

As said by @Tor the ignition timing looks fine.
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Old 02-24-2018, 08:50 PM   #1713
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https://datazap.me/u/carsebuco/log-1...=0&data=2-9-11

What does this all mean? Lol
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Old 02-26-2018, 10:19 AM   #1714
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From your other post, you are running e85 and recently installed a header of some sort.

Did you recently just start running e85?
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Old 02-26-2018, 11:04 AM   #1715
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From your other post, you are running e85 and recently installed a header of some sort.

Did you recently just start running e85?
No, been running it for almost 4k miles now.

Any indication of power escaping?
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Old 02-26-2018, 04:01 PM   #1716
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No, been running it for almost 4k miles now.

Any indication of power escaping?
I think this will help you out. If you want to know how your engine is running, read this first and then look at your log again.

http://www.ft86club.com/forums/showthread.php?p=1842501
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Old 03-03-2018, 11:07 PM   #1717
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My modifications are P&L EL catted header, K&N drop in filter, Crawford BPB's and an OFT running a slightly modified stage 1 tune.

I'm noticing that the actual AFR is nowhere near the commanded at the lower rev range. Is this something that modifying the engine load would help or does it seem like there might be something else causing this?

https://datazap.me/u/omnihiko/log-15...zoom=1219-1472

The main reason I ask is because the engine loads I'm logging are much lower than the limits due to altitude (Denver), and the pressure to load modification table seems to be lowering it even further.

Thanks if advance for any insight/advice!
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Old 03-04-2018, 08:06 AM   #1718
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Originally Posted by Hiko View Post
My modifications are P&L EL catted header, K&N drop in filter, Crawford BPB's and an OFT running a slightly modified stage 1 tune.

I'm noticing that the actual AFR is nowhere near the commanded at the lower rev range. Is this something that modifying the engine load would help or does it seem like there might be something else causing this?

https://datazap.me/u/omnihiko/log-15...zoom=1219-1472

The main reason I ask is because the engine loads I'm logging are much lower than the limits due to altitude (Denver), and the pressure to load modification table seems to be lowering it even further.

Thanks if advance for any insight/advice!
The actual load is always going to be determined by the what the engine is able to produce (how much air it can pump through) and the atmospheric conditions (how much air is available). So however you set limits etc. is not going to affect the actual load directly.

They are used for calculations by the ECU. You are not going to get this sorted out by using load limits or load compensation. You probably need to look at the whole tune starting with MAF and AVCS.

Also as I side not, I would ditch the BPBs. They don't do much for you when tuned and if anything they are counter productive to a header that is supposed to generate more top-end.
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Old 03-04-2018, 10:17 AM   #1719
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Originally Posted by Hiko View Post
My modifications are P&L EL catted header, K&N drop in filter, Crawford BPB's and an OFT running a slightly modified stage 1 tune.

I'm noticing that the actual AFR is nowhere near the commanded at the lower rev range. Is this something that modifying the engine load would help or does it seem like there might be something else causing this?

https://datazap.me/u/omnihiko/log-15...zoom=1219-1472

The main reason I ask is because the engine loads I'm logging are much lower than the limits due to altitude (Denver), and the pressure to load modification table seems to be lowering it even further.

Thanks if advance for any insight/advice!
I'm pretty sure I was looking at the same thing last year. I never figured out how to correct that dip in afr. I'm at less that 1000ft so I don't think it's due to elevation. Anyway, that's something I'm going to be looking at again this spring.

It looks like your maf reading levels out around the afr dip. That's interesting, since one of the possible causes of the dip could be the maf reading too high, so leveling out is the opposite of what I would expect.
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Old 03-04-2018, 02:34 PM   #1720
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I've been noticing my IAM drop during normal cruise driving over the last few weeks.
Have tried different brands of gas - (CA 91).
I'm linking my latest cruise log, looks like i'm getting knock when getting back on the throttle...

Any advice would be appreciated, running Wayno's v130 Stage 2, cattless header + full exhaust.

https://datazap.me/u/danklvr/looking...mark=3559-4038

Attaching 3 more logs taken this morning.

https://datazap.me/u/danklvr/knock-c...data=2-7-11-13
https://datazap.me/u/danklvr/knock-c...data=2-7-11-13
https://datazap.me/u/danklvr/knock-c...data=2-7-11-13
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Old 03-18-2018, 07:00 PM   #1721
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can someone take a look at my Datalog and maybe provide some suggestions to improve the tune please. just flashed a stage1. i dont think the ecu has completely learned yet as ive only driven like 30 miles on this tune so far. thanks!

https://datazap.me/u/mizzta21/log-15...zoom=3501-3610
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Old 05-06-2018, 07:56 AM   #1722
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Sanity check on Logs with ots 2.076...thinking of trying ots 4.0

revisiting my tune now that OTS 4.0 OFT maps are out and i am contemplating giving them a try since my current MAPs have issues logging knock correction and IAM. currently on OTS 2.076 maps with patch mods here and there with all the wealth of knowledge on these forums.

mods: JDL UEL Catted, JDL UQFP, ARK catback, Green Intake Panel Filter, South Florida Chevron 93 Petrol

one from a year ago, i was running 93 Shell Gas, ~.3 AFR rich from 50 to 80 MAF, and about 0.5 AFR rich after 120 MAF:
https://datazap.me/u/neilvosko/log-1...0&zoom=168-272
https://datazap.me/u/neilvosko/log-1...10&zoom=43-151
https://datazap.me/u/neilvosko/log-1...0&zoom=625-746
https://datazap.me/u/neilvosko/log-1...0&zoom=818-939

made some adjustments, plus i am on chevron 93 gas, loaded the Stage 1 MAF scale numbers basically, now, from last week, i was running ~0.3 AFR lean from 50 to 60 MAF, ~0.3 AFR rich from 70 to 80 MAF and the usual 0.5 AFR rich at high end, didnt get a chance to log >7000 RPM, but i rarely drive in that range:
https://datazap.me/u/neilvosko/log-1...1&zoom=215-318
https://datazap.me/u/neilvosko/log-1...1&zoom=377-469
https://datazap.me/u/neilvosko/log-1...9&zoom=315-410

since the logs on AFR look close, i dont want to use OTS 4.0 MAF scales, i should try OTS 4,0 with my current MAF scale, which i can tweak a little.

my though is to simply to adjust MAF scale i am running by increasing 50-60 MAF 3 V area by 1.25%, lean out 70-80 MAF 3.3 V area by 1.25%, and lean out high end, 4 V area by 1.25%

thoughts?

Thanks in advance,
Neil
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