Tested and Ready 70° and 75° Thermostat

[0-60motorsports]

Anri If you can lock down the purchase for me I can install and test the 75c TSTAT in 125-140f weather and monitor coolant temps too. Thanks.

[Anri]

[QUOTE=Bry5on;n269630]Good catch/QUOTE]

Yes this is with my OBD life data stream scanner.

I will post in a few days.

[Bry5on]

Thanks for posting.

The other day I logged my test car during test and
I was on nearly 450 C pushing 500 C EGTs.


You are running only 104 C kind of odd.

Regards
Anri

My math calculation for EGT is wrong in my datalogger! I haven't spent the time to figure out the correct calc from the raw DME log. Any chance you have that off hand? I can then fix this one [and my future] logs. Good catch, it's the last one on my to-do list.

I also mistakenly took GPS altitude out of this log, but you can approximate it by following the ambient pressure drops

edit: Also realized I broke my gear calculation in my last parameter change. Fun, fixed that now.

[Anri]

Here’s a datalog driving uphill at 90-100*F with a stock relatively refreshed cooling system and AC on full blast. Coolant temp got up to 94C at steady state and coolant gauge registered just below the 3/4 dot. Hope this helps. https://datazap.me/u/bry5on/hot-uphi...oom=9655-26853

Thanks for posting.

The other day I logged my test car during test and
I was 450 C pushing 500 C EGTs on 95-105F weather.


You are running only 104 C kind of odd.

Regards
Anri

[Anri]

All PMs replied.

[Bry5on]

Here’s a datalog driving uphill at 90-100*F with a stock relatively refreshed cooling system and AC on full blast. Coolant temp got up to 94C at steady state and coolant gauge registered just below the 3/4 dot. Hope this helps. https://datazap.me/u/bry5on/hot-uphi...oom=9655-26853

[HighOnLSB]

Okay sure. This is the primary reason why I added 75C for cold environment.

Not sure how cold it gets in Bahrain during those winter days but I will tell you
if its like in California during coldest winter time were I am still walking around with
shorts outside then this isn't cold enough....

Anyway, 75C is.

Regards,
Anri

Can you better define "cold environments"? In the PNW winter driving ambient temperatures are around 0-5C, but also summer track events are running during 30-35C days... Will the 70C thermostat be able to handle all of those conditions? Or is the 75C thermostat the more optimal option?

I tried to ask these questions in PM but have not heard back. Figure the information could be helpful to others as well.

[bigjae46]

Jae,

I specifically underlined that the Check
engine light will NOT turn on.

I just put 900 miles on the test car and out
of those 400 miles were on a 60F morning starts.

On 55C the check engine light will turn on..
one can turn it off from the ECU menu but
its cold for daily.

I have to ask Tomba and I hope he can
share some data at 70C if the OEM map is out
of Enrichment mode?


Regards,
Anri

Oh, I was thinking this was the 55c t-stat. Makes sense now. You're killing me with the celsius...lol

[Anri]

X2. How do we buy this?

Sent me PM with your name, shipping address, and
choice.

Also in the payment put a Note your Forum user name so I can
recognize who is who.

Thanks,
Anri

[discoelk]

X2. How do we buy this?

[ac427]

Hi Anri, I would like one of your thermostats.

Is 75⁰C only needed in very cold climates?

[Anri]

Thanks Anri. I wanted to go for the 75c because that should be good enough for the cooler weather too.

Okay sure. This is the primary reason why I added 75C for cold environment.

Not sure how cold it gets in Bahrain during those winter days but I will tell you
if its like in California during coldest winter time were I am still walking around with
shorts outside then this isn't cold enough....

Anyway, 75C is.

Regards,
Anri

[0-60motorsports]

Hi,

My suggestion is in such hot environment getting 75C is
waist of time. If its my choice I would go with 70C for sure.

I will sent you PM back.

Thanks,
Anri

Thanks Anri. I wanted to go for the 75c because that should be good enough for the cooler weather too.

[Anri]

Anri I need a 75c Tstat ASAP as temps have started to go up here in Bahrain and even at nights its like 90-110F!

Hi,

My suggestion is in such hot environment getting 75C is
waist of time. If its my choice I would go with 70C for sure.

I will sent you PM back.

Thanks,
Anri

[Anri]

Hi Anri I have to dig in to this, for sure the ECU checks if the normal operating temperature is reached in xx time.

Tom,

The 900miles test car I had it till yesterday.
I should have called you yesterday and have
you log in and get the data...I will be around
the car on Weekend if you are around?

Knowing how sensitive the ECU is on S54
after 900miles I don't have check engine light
and also not even passive code.

Edit: I will have ChapterM3 car for 70C t stat
upgrade and I will have you log in collect the data
from the 80C. After like an hour I will have the 70C
installed and I will have you log in again and get the
data. Meanwhile if you can dig those maps it will
be great.

Regards,
Anri