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un4gvn! · 09-12-2017, 12:45 AM

I have a brand new ZZ454 in my CST10 with the Griffin aluminum radiator. If I sat more than 5 minutes at idle, damn temperature gauge would start rising super fast. I also had the electric fans inside my factory shroud. I burped it several times. Change fluids several times. Double checked timing over and over. Installed a separate tranny cooler. Tried all kinds of different thermostats and it would still over heat. I paid over $400.00 dollars for this 4 core rad. I gave up and pulled the rad. I put in another aluminum from DeWitt and no more over heating. I don't know why the Griffin didn't work. Now I'm hearing the Mishimoto is the one to use.

09-12-2017, 12:45 AM	#11
un4gvn! Registered User Join Date: Mar 2006 Location: Latrobe, Pa. 15650 Posts: 355	Re: Overheating I have a brand new ZZ454 in my CST10 with the Griffin aluminum radiator. If I sat more than 5 minutes at idle, damn temperature gauge would start rising super fast. I also had the electric fans inside my factory shroud. I burped it several times. Change fluids several times. Double checked timing over and over. Installed a separate tranny cooler. Tried all kinds of different thermostats and it would still over heat. I paid over $400.00 dollars for this 4 core rad. I gave up and pulled the rad. I put in another aluminum from DeWitt and no more over heating. I don't know why the Griffin didn't work. Now I'm hearing the Mishimoto is the one to use.