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**Jurassic-1** · 09-15-2015, 10:08 PM

I have a AC Delco Thermo Clutch on my 72 Blazer. It is for a 454 big block engine. It sits perfectly in the shroud and it has been on the Blazer for about 15 years and still works great. I also have the same one on my 70 CST both are used with no spacers.

09-15-2015, 10:08 PM	#2
Jurassic-1 Registered User Join Date: Jul 2007 Location: New River Arizona Posts: 1,180	Re: thermal fan clutch issues I have a AC Delco Thermo Clutch on my 72 Blazer. It is for a 454 big block engine. It sits perfectly in the shroud and it has been on the Blazer for about 15 years and still works great. I also have the same one on my 70 CST both are used with no spacers.