The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post - How hot before heads warp

**Jason Banks** · 10-13-2023, 09:29 AM

A friend of mine had problems with his electric fans on LS3 and was regularly hitting 230-235 and had not problems. I can't imagine 240-250 would hurt you too bad.

10-13-2023, 09:29 AM	#2
Jason Banks Senior Member Join Date: Dec 1999 Location: TX Posts: 1,529	Re: How hot before heads warp - L83 A friend of mine had problems with his electric fans on LS3 and was regularly hitting 230-235 and had not problems. I can't imagine 240-250 would hurt you too bad.