was talking to a buddy of mine who has a boosted honda. he was mentioning that when he went boosted he was overheating and that he had to basically set his fan to be on at all times due to the added heat under the hood. is this something we need to worry about under boosted applications?



and since this is dealing with temps. ive got a aftermarket water temp gauge i need to finish hooking up but need the fitting that plugs into the block, i was told i need to keep the stock sensor on for the car to run normally and i was told its a M12.5 x1.5 thread size. but not sure what type fitting i need and where i could pick one up.

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If everyting is working properly, you should notice little to no difference.... Sounds like the boosted honda has some issues....





P&P Tuning
420.5whp / 359.8wtq

yea sounds like you might have a bad radiator cap or maybe air in the system somewhere


honda guy def has issues






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Ceramic coated hotside, manifold, and downpipe makes a big difference as well.


94 Talon TSI AWD 11.95@115
03 Cavalier LS Sport 16.6@87

I never noticed any increase in temp from being boosted at all.

No temp increase at all from boost, well it does come up to temp faster but once the thermostat opens it stays right at 195 or less.


1994 Saturn SL2 Home Coming Edition: backup car
2002 Chevy Cavalier LS Sport Coupe: In a Junk Yard
1995 Mazda Miata R-package Class=STR
Sponsored by: Kronos Performance

WPI Class of '12 Mechanical Engineering
WPI SAE Risk and Sustainability Management Officer

thats good to know. guessing nobody knows the proper fitting to add the water coolant line?

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sndsgood wrote:thats good to know. guessing nobody knows the proper fitting to add the water coolant line?

can you clarify? are you trying to water cool the turbo?

no, trying to hook up my temp gauge. need to find a fitting that will work

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Depends on your routing, cooling, etc. On my car there used to be an increase in temperature after you drive for a long while. The exterior of my turbine is around 700 degrees. All of that heat tends to soak a little after a while, especially with an old stock radiator. After I set my fans on, my car stays consistently at or under 200. Before, it would creep up a little (210 max) but there's definitely an effect with a hot turbo and manifold bolted to the head. And with my car, the downpipe is very close to the heater core hoses. So yeah, some heat gets added to the system.


2001 Olds Alero (LD9)
636 whp / 543 ft-lb
@turboalero

Never noticed any engine temp increase on my gauge at all, BUT if you physically lift my hood and stick your head under there after the car has been running you can notice how damn hot it is lol. I can hear my coolant boiling through my turbo coolant lines.

Like ION said, heat does get added to the system.









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______________________
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He was probably suffering from higher underhood temps, that's why I'm going to modify my car with every heat extractor I can think of to releive the underhood heat from the engine compartment.

Leafy wrote:No temp increase at all from boost, well it does come up to temp faster but once the thermostat opens it stays right at 195 or less.

This. I am at temp probably twice as quick as it was before the blower. But it stays right at the same mark as before the blower unless Im beating on it. Even then it cools down quickly after going back to normal driving conditions. Surface temps of certain things like the v/c and header are a bit warmer, but nothing that has made the coolant change temps. On stupid hot hot hot days here in PHX, it will run about half a notch hotter, but when the ambient temp is 115-120 out, you expect that. My fans stays on for 3-4 minutes sometimes after I turn the car off on really hot days too.

I worked on the after shut off and during driving fan on temps, mine stays on longer now.


1994 Saturn SL2 Home Coming Edition: backup car
2002 Chevy Cavalier LS Sport Coupe: In a Junk Yard
1995 Mazda Miata R-package Class=STR
Sponsored by: Kronos Performance

WPI Class of '12 Mechanical Engineering
WPI SAE Risk and Sustainability Management Officer

Jet hot saved my stuff... i recall driving 6 hours to the bash, popping my hood and touching my turbo 15 minutes after it sat there. worked great for me.

I didn't notice any change at all, in fact mine actually runs cooler now, but then again with my hood I am touching stuff pretty quickly too, vented hood's are a gigantic help..



LE61T PTE6262 Powered

Would you believe that my car runs COLDER since being built and boosted? (Stock rad, too)

I did do a few things to help out, though coating the hot side would help a LOT more.

- Added an oil cooler
- Drilled out 180 degree stat
- Redline Water Wetter added
- HPTuners commands the fan to come on at 195

My car barely hits half on the gauge driving around... I'd love to coat everything in the near future (Turbine, Downpipe and manifold) to help with spool up and underhood temps... I honestly think the oil cooler did a lot to help.

-Chris-



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