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2G 2g temps

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EVTBernie

15+ Year Contributor
85
0
May 4, 2006
South Burlingto, Vermont
Just curious. I was planning on taking my car down to a show. The outside temps are 84 degrees, i just wrapped my forward manifold, added a 12oz bottle of purple ice. Drove it to the gas station and let it run to burn off the wrap smell. Looked at my laptop and coolant temp was 226 degrees. I decided to drive it home and park it. I have a half rad and mish cooling fan set to run all the time. Is this sky high temps? I just don't want to ruin this build.
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I would start being concerned over 205ºF and stop driving over 212ºF to avoid running into the serious danger zone.
 
I have a fully built engine. Was told to get worried at 230

I would swap the Mishimoto fan for a Spal. I had a Mishimoto single fan on their shroud. Car would never stay at the proper temperature when it got warm outside. Moved to a single Spal on the passenger side and the car never goes above the fan turn on setpoint no matter how hot it is outside. Especially with a half rad I would make sure you have as much airflow across those fins as you can.
 
Heck my Audi 1.8 turbo was set up from the factory to run at 230, same old 1.8 that VW and Audi had been using for years, aluminum head, iron block, I wouldnt want to run any further than that though.
 
Mine runs between 200-206 pretty regularly in the heat (90*+) and as low as 194-196 when cooler out, but I don't usually get really sketched out unless these cars get to 215-220* or higher for a fairly extended period of time.

Uncontrollable increases are what freak me out.
 
Those temps are high, even for a half-rad setup considering you've got pretty much stock stuff under the hood. Judging by your profile, you still have the stock side mount so the air wouldn't be too obstructed for the radiator.

How old is your coolant and what condition is it in? I recently had high coolant temps (up to 226F) while cruising especially. It was due to the old shitty coolant I foolishly decided to reuse after a full rebuild. In my case I even have a FMIC blocking most of the air in the front, but after putting fresh new coolant and distilled water and letting the car bleed itself from air, it went back to normal operating temps.

So I'd suggest you look at your coolant/mix.

Edit: P.S, after 203F the ECU pulls 1 degree of timing and keeps pulling the higher the temps go. So it definitely needs checking out since you'll be robbing yourself of some power and efficiency.
 
Those temps are high, even for a half-rad setup considering you've got pretty much stock stuff under the hood. Judging by your profile, you still have the stock side mount so the air wouldn't be too obstructed for the radiator.

How old is your coolant and what condition is it in? I recently had high coolant temps (up to 226F) while cruising especially. It was due to the old sh**ty coolant I foolishly decided to reuse after a full rebuild. In my case I even have a FMIC blocking most of the air in the front, but after putting fresh new coolant and distilled water and letting the car bleed itself from air, it went back to normal operating temps.

So I'd suggest you look at your coolant/mix.

Edit: P.S, after 203F the ECU pulls 1 degree of timing and keeps pulling the higher the temps go. So it definitely needs checking out since you'll be robbing yourself of some power and efficiency.
That ain't stock, bruh.
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That half rad is your problem. I doubt you'll ever get your temps down to a manageable level without a full radiator. I've never see a half rad on a street car that worked worth a shit.
 
Those temps are high, even for a half-rad setup considering you've got pretty much stock stuff under the hood. Judging by your profile, you still have the stock side mount so the air wouldn't be too obstructed for the radiator.


How old is your coolant and what condition is it in? I recently had high coolant temps (up to 226F) while cruising especially. It was due to the old sh**ty coolant I foolishly decided to reuse after a full rebuild. In my case I even have a FMIC blocking most of the air in the front, but after putting fresh new coolant and distilled water and letting the car bleed itself from air, it went back to normal operating temps.

So I'd suggest you look at your coolant/mix.

Edit: P.S, after 203F the ECU pulls 1 degree of timing and keeps pulling the higher the temps go. So it definitely needs checking out since you'll be robbing yourself of some power and efficiency.



It wouldnt let me update my set up in the profile. Im not a stock car 2.3 stroker full build.
 
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Just curious. I was planning on taking my car down to a show. The outside temps are 84 degrees, i just wrapped my forward manifold, added a 12oz bottle of purple ice. Drove it to the gas station and let it run to burn off the wrap smell. Looked at my laptop and coolant temp was 226 degrees. I decided to drive it home and park it. I have a half rad and mish cooling fan set to run all the time. Is this sky high temps? I just don't want to ruin this build.
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I don't have a half radiator but i had lots of cooling problems. Here are the steps I took to stay around 190 in 100 degree Texas weather. I used to get stuck at 215 all the time.
  • Run 90% water in the radiator
  • Run a 160 thermostat
  • I tried doing ducting to force the air through my intercooler to the radiator but it didn't work well for me.
    • I ended up running dryer ducts (I know its ghetto but it worked) from 3 of the 4 bottom bumper holes around the intercooler directly to the radiator. This is now keeps me cool while driving on the freeway. I used to heat up now i cool down on the freeway.
  • My radiator is 20 years old so i flushed it until all i saw was water
As much air as you can get blown on that radiator from driving is important. I upgraded fans and all that Jazz but the solution ended up being running distilled water and getting ducting that worked for my build.
 
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