Seafoam65 Posted March 23, 2021 Share Posted March 23, 2021 I'm working on a customer's 64 Riviera and can't find front dust caps that fit the car. I bought some used ones from a forum member and they are 2 1/4 inch in diameter whereas the hubs on the car I'm working on have 2" center holes. The 2 1/4 inch caps were supposed to be off of an early Riviera so I need to know if the car I'm working on has the wrong hubs on it. I've tried the 2 inch dust caps that everybody sells and they don't go far enough into the hubs to stay on because the outside of the hub holes are chamfered and the caps won't reach beyond the chamfer to get a grip before bottoming out on the ridge built into the caps. The 2/14 inch caps I bought look like they have enough reach but they are too large in diameter by 1/4 inch. HELP! Link to comment Share on other sites More sharing options...
telriv Posted March 23, 2021 Share Posted March 23, 2021 I'll measure the ones I have & get back to you. I KNOW they are off a '64. Link to comment Share on other sites More sharing options...
telriv Posted March 24, 2021 Share Posted March 24, 2021 Winston, Sending you a PM Tom T. Link to comment Share on other sites More sharing options...
Seafoam65 Posted March 31, 2021 Author Share Posted March 31, 2021 (edited) Thank you Tom T! He sent me two 2 inch caps off a 60's Buick and they fit perfectly....problem solved! Edited March 31, 2021 by Seafoam65 (see edit history) Link to comment Share on other sites More sharing options...
telriv Posted March 31, 2021 Share Posted March 31, 2021 Winston, Just to let you & others know those caps were off of a '66 Wildcat. The hubs got smaller in '66. Like the '63 hubs are larger than '64 & '65. Tom T. Link to comment Share on other sites More sharing options...
telriv Posted March 31, 2021 Share Posted March 31, 2021 A mistake on above. '63 & '64 are a larger hub size than '65 & '66. Link to comment Share on other sites More sharing options...
CTX-SLPR Posted April 2, 2021 Share Posted April 2, 2021 So the conclusion is the car got later hubs? Are the 45 and 90 fin drums cross compatible between the two generations of hubs? Link to comment Share on other sites More sharing options...
telriv Posted April 2, 2021 Share Posted April 2, 2021 Yes & Yes Link to comment Share on other sites More sharing options...
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