willie Posted March 24, 2021 Share Posted March 24, 2021 Is there a difference between a 350 car alt and a 454 car alt? I know they have different amps and should show it on the case somewhere. But will they mount up from 1 car to the other? What amp does the 71SS have with a/c? Tkx Quote Link to comment Share on other sites More sharing options...
714024SPEED Posted March 24, 2021 Share Posted March 24, 2021 Hi Willie The alternator's are the same between big and small block. I'm not positive about the amps but I think it may be 53amp. I sure someone will help confirm that or not. 1 Quote Link to comment Share on other sites More sharing options...
jft69z Posted March 24, 2021 Share Posted March 24, 2021 It should be either a 61 amp, or a 63 amp if it has the 'K85' option on the build sheet. Dennis just ran into this last month and the charts seem to support that answer. Physically it should be a direct bolt in. Quote Link to comment Share on other sites More sharing options...
willie Posted March 25, 2021 Author Share Posted March 25, 2021 Ok great !!!! Thanks Guys, i checked my build sheet and it does NOT have a K85 so the small block one will fit. Tkx Quote Link to comment Share on other sites More sharing options...
wallaby Posted March 28, 2021 Share Posted March 28, 2021 They all mount up the same. There might be a difference in the "clocking" of the wire connections. but that can be changed easily. Ignore the amp ratings for rebuilt alternators, they grab a case from a pile and fill it with the average stuff. Who knows what case they grabbed. Quote Link to comment Share on other sites More sharing options...
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