Spike in data log, blown motor.

s300 and SManager software questions & answers
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Jbrracer
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Joined: Mon Jan 16, 2023 2:47 pm

Spike in data log, blown motor.

Post by Jbrracer »

just wanted to get other's thoughts on this data log, big spike and then motor damage appears to be from detonation.

I've attached the calibration and datalog.

thank you!
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TTR
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Joined: Wed Mar 31, 2004 8:48 pm

Re: Spike in data log, blown motor.

Post by TTR »

Whats the setup? Ignition timing actually goes down at the spike, wouldn't think it would be detonation. The motor is cold so there is timing be added on top of the main table.
Jbrracer
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Re: Spike in data log, blown motor.

Post by Jbrracer »

Still seeing spikes in data logs concerned about motor damage.
IMG_1550.jpeg
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Spunkster
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Re: Spike in data log, blown motor.

Post by Spunkster »

What is the s300 serial number?

From Help, About, what is the version of software?
Jbrracer
Posts: 21
Joined: Mon Jan 16, 2023 2:47 pm

Re: Spike in data log, blown motor.

Post by Jbrracer »

Spunkster wrote: Mon Jun 23, 2025 4:16 pm What is the s300 serial number?

From Help, About, what is the version of software?
Afternoon spunkster here is the information you asked about.

Smanager version 2.8.9.0 build 4941

S300-
version3
TI processor
status normal
ram test passed
datalog pass
serial no. 63929
firmware version 24
firmware ok: yes
software 2.8.9
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Spunkster
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Re: Spike in data log, blown motor.

Post by Spunkster »

What time stamps in the datalog you posted are you seeing this happen?
Jbrracer
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Re: Spike in data log, blown motor.

Post by Jbrracer »

Spunkster wrote: Tue Jul 01, 2025 1:20 pm What time stamps in the datalog you posted are you seeing this happen?
The entire run.
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Spunkster
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Re: Spike in data log, blown motor.

Post by Spunkster »

I do not see what you are describing in the attached datalog.
Jbrracer
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Re: Spike in data log, blown motor.

Post by Jbrracer »

Spunkster wrote: Mon Jul 07, 2025 9:36 am I do not see what you are describing in the attached datalog.
Ive attached another data log where the issue happens consistently at the end of the run, vss spikes 23000mph rpm goes into the negative while running.
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Spunkster
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Re: Spike in data log, blown motor.

Post by Spunkster »

Even before that you can see the rev limiter going on and off very rapidly. I suspect the issue may be from the overheating error code that has been set.
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