Bman2000

So just finished my stroker hci lt car now it's in break in mode but I was sitting idling for a while, and didn't realize that the car was overheating...so awesome to see after installing 10k motor...anyway it is hot out but I was surprised to see it over heat idling, since my last sc set up wasn't a lot different at idle but it never had an issue that I know of. In any case I fried the rag joint and the car didn't like it much but now I'm thinking the factory radiator may not be up to the task, what power levels and cooling system are you running in your car? This is a max effort Si trim hci 5.0 so I imagine under full tilt it wi,l get warm...lol. Any ideas.

kast1376

I am mostly stock but replaced the stock gt radiator with a 03/04 cobra unit due to a leak.

uberstang1

I noticed a big temp different with my fluidyne, but it has a slight leak somewhere which developed early. Hasn't been an issue minus a wiff of smell every now and again.

Bman2000

Uber did you need it? Cuz you make a little over 600 rwhp right? Was it a necessary upgrade to keep the car from over heating or was it just to help keep it cool for back to back runs?

uberstang1

No matter what the outside temp is my car hasnt gone over 185 degrees woth it. Stop and go traffic or back to back track passes

Bman2000

I just mean did you find out after you built the set up that you needed it? Or did you just install it as part of your build?

uberstang1

I got it from the get go without it im surw it be running 200 210 regularly

Bman2000

Thanks, I'm just trying to figure out if in going to be able to enjoy my car at all this summer. I'm close to 15k in this years changes and I don't have any money left for cooling upgrades. I knew I would need it but I figured I'd need it for road race or auto cross not street and strip. So far on the street it's been fine minus one day. With any luck it won't over heat on the dyno

kast1376

If you haven't done so yet, replace the stock thermostat with a 180 degree one. After a crack in my manifold was found (where the plastic meets the aluminum), my mechanic recommended getting a cooler thermostat that should help with keeping the plastic from heat cycling, and keeping things slightly cooler. Curious to see how much it will help along with the Cobra radiator in the summer time here in Sacramento.

uberstang1

What do you have 15k tied up into?