J75

Any knowledge of a direct replacement blower fan for 74-77 with more blades per inch?Saw mention in a article but no specifics were given.

john's '81 mouse

It's my understanding that a blower fan from a later model C3 will mover more air than the earlier models. Suggest you get one for like an '81 or '82 and compare to yours.

Tomcat

I guess those C4 blades are longer, too, so you have to rig up some sort of spacer.
TC

J75

Yes,later C3`s will move more air but they are wider.I was trying to avoid the spacer route.Seems like someone would make them,as i have seen few earlier cars that didn`t need some help.

74-Roadster

People have posted that the best way to go is to get the latest GM replacement because it has more blades and they are at a more agressive angle. Call your GM parts dealer and make sure they have one and then take yours with you to compare.

Also, check the archives on this topic, it's come up quite often.

J75

Thanks for the input guys.I`ll check out what GM has. :chevy