Is it just me or does the SR20 heatsoak really fast?
Is it just me or does the SR20 heatsoak really fast?
Is it just me or does the SR20 heatsoak faster than a sponge? I swear I only get to drive it for about 40-60 minutes before it gets heatsoaked. Anyway to lessen the heatsoak? I'm all stock SR20DET on a 91 240sx.
There are quit a few things you can do to help. You can upgrade your radiator since this is definatly a huge heat transfer outlet. Keep good coolant and the additive in it. Keep the appropriate mixture. Real good electric(dual fans) in it. How is the air flow under the hood? Do you still have the plastic undercarriage under the car? Tuning is also very important. If you keep your egt(exhaust gas temp) down you can drop the temp dramatically. Make sure your timeing is set good and not to advanced. What kind of plugs are you using? What heat range and efficiency? I'm sure there are a couple of other things you can do thats preventative maintenance such as using the correct oil in the engine and transmission and making sure they are always full. Heat wrap on the exhaust mani. This keeps the heat from soaking under the hood and gets it going out the exhaust. Oh yeah, oil cooler and transmission cooler. These are most of the things I can think of off the top of my head. Anyone else want to chime in?
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GroundZero
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MojoMan wrote: Anyone else want to chime in?
...well what condition is your water pump in? how many psi is your pressure cap? have you considered a co2 intercooler-cooler? you can also try www.hpcoatings.com for heat coating spray they also have good information about cooling, check em out. next...
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GroundZero
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Sircnay wrote:Sweet, thanks everyone. I think I'll start by adding an FMIC, a water injection system which I have a buddy that can make one that is pretty dang reliable, but I doubt I'll need it as I'm only running 7 psi right now. But I HATE heatsoak. It is now my mortal enemy.
i'd also start out by getting a turbo insulation kit i believe www.summitracing.com has one while your there check out they're exhaust heat wrap.
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C-Kwik
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- Car: 2013 Chevy Volt, 1991 Honda CRX DX
Umm? What on your car is getting heatsoak? The intercooler? The motor? The term heatsoak tends to be used more with turbo bearings and intercoolers. When a motor gets heatsoak, it's usually referred to as overheating. It would be helpful to clarify what you are talking about so we can offer a solution. Maybe even include if it does this under certain conditions(hard driving, A/C on, just cruising, etc).
It sounds like you are talking about the motor though. If that is the case a FMIC will probably do more harm then good since it heats and blocks the air going to it. If it overheats in stock form under normal driving, you should make sure there is nothing wrong with the cooling system.
It sounds like you are talking about the motor though. If that is the case a FMIC will probably do more harm then good since it heats and blocks the air going to it. If it overheats in stock form under normal driving, you should make sure there is nothing wrong with the cooling system.
Hahahaah no way am I planning on keeping this thing stock. I've had my taste of boost and I want more. In fact I just dropped some $$$ for a boost controller and boost gauge. They're on their way here as we speak. I'm going to run 10psi until I get a FMIC and tune up the car. Then i'm going to go to 12psi for racing purposes.
I ran a sr20 9psi with hks-s fmic and i removed the big fan and all i have is the a/c electric fan that is on all the time with the key on. Drove the car for 2 hours yestday in 100pluss weather and the car pulled hard as hell all day. it even sat at idle in my boys drive way for 25mins and no over heat or power soak at all. runs great. I think the crank driven fan is weak, personally
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quiksilvia
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sigh...turboex wrote:hey i see you have a bit of head work done, what do you rev yours too now? also did you do this while the motor was in the car or out? thanks
I'm still keeping the revs down until I get a new fuel pump. I'm gaugeless right now, so I have no idea what my EGT is like. Once I get the EGT, boost and A/F gauges to tell me what is going on, I'll be driving the hell out of it. For right now, I think the highest I've taken it is about 6500.
The work was done with the motor out of the car. I got the headwork done for the day when I eventually get to phase 3 of my project (turbo, MAF, injectors and JWT ECU retune). For right now, it's really more bullet-proof than I need because there's no point in high revving the T25.