There were two exceptions.
Gm 772 7 blade clutch fan.
The temperature controlled clutch fan was also available as option k02 on the hydraulic lifter engines for 15 but.
A correct oer authorized reproduction of the original style radiator fan blade which was installed as original equipment on various gm models with 18 diameter 7 blade fan.
7 blades blade color.
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Fan blade clutch.
Thank you for your question.
Designed to replace the factory fan the 8 hole center hub fits most oe fan clutches.
New oem gm engine cooling fan clutch blade 15644302 chevy gmc v6 v8 1984 1996 fits.
1967 1968 chevrolet camaro z 28 1968 1968 chevrolet camaro 396 with ac.
And a thermal fan clutch.
1969 74 camaro fan blade oe style w 7 blades 3947772 dated a 69 part egp 2255 139 95.
At low and idling speeds the clutch allows the fan blade to turn at almost a 1 1 ratio.
A fixed four blade fan was the standard engine fan on all engines.
Dorman 621 323 is counter clockwise only it is not a reversible fan.
One with 7 to 9 blades.
Point of reference my 454 3 4 ton truck uses a mechanical fan.
At high speeds the silicone fluid within in the clutch will lose its ability to transfer the energy from the shaft to the fan clutch body and therefore the fan and the fan is then allowed to almost free wheel removing its load from the engine.
4 blade antique fans won t move sh t for air.
Asked by lee r on june 16 2018.
The solid lifter engines z28 l78 and copo 427 and vehicles with ac used a temperature controlled clutch fan as standard equipment.
It s listed as counter clockwise i know but asking if it is reversible to run as standard rotation on older v belt year gm fan clutch.
1969 74 camaro bb fan clutch assembly oe style.
Chevrolet 5 out of 5 stars 2 2 product ratings new oem gm engine cooling fan clutch blade 15644302 chevy gmc v6 v8 1984 1996.
This standard rotation 17 fan produces maximum airflow and feature steel hubs and blades and finished in durable black powder coat.