Kib Posted October 8, 2018 Share Posted October 8, 2018 Hi, could someone tell me if there is different size on crankshaft rear bearing between automatic trans and manual? 1 Link to comment Share on other sites More sharing options...
Spinneyhill Posted October 8, 2018 Share Posted October 8, 2018 Um, we might need more information. A different size of what? flange for flywheel? Link to comment Share on other sites More sharing options...
billorn Posted October 8, 2018 Share Posted October 8, 2018 And what year/make/model of car? 1 Link to comment Share on other sites More sharing options...
Rusty_OToole Posted October 9, 2018 Share Posted October 9, 2018 If that bearing holds the end of the transmission input shaft only the manual trans models had one. I say "if" because most cars had a plain bronze bearing there. Well all the old cars I know of. I don't know why else a 1948 straight eight would have a ball bearing on the crankshaft. Link to comment Share on other sites More sharing options...
Frank DuVal Posted October 9, 2018 Share Posted October 9, 2018 Lots of 1948 straight eights. Any particular brand and model?? Link to comment Share on other sites More sharing options...
Kib Posted October 9, 2018 Author Share Posted October 9, 2018 This is the 1948 Pontiac Silverstreak Link to comment Share on other sites More sharing options...
Kib Posted October 9, 2018 Author Share Posted October 9, 2018 5 hours ago, Rusty_OToole said: If that bearing holds the end of the transmission input shaft only the manual trans models had one. I say "if" because most cars had a plain bronze bearing there. Well all the old cars I know of. I don't know why else a 1948 straight eight would have a ball bearing on the crankshaft. Hi yes you are right, here is the result, it is the same dimension so the bearing fit as it should. Link to comment Share on other sites More sharing options...
Kib Posted October 9, 2018 Author Share Posted October 9, 2018 18 minutes ago, mike6024 said: It's referred to as the pilot bearing. Might be a good idea to install a new one. Sure? Link to comment Share on other sites More sharing options...
Rusty_OToole Posted October 11, 2018 Share Posted October 11, 2018 If you want a new one they are cheap, from an industrial bearing shop. Take the bearing or the number off it and they will have one to match. This is easier and cheaper than trying to order 1948 Pontiac parts. There are bearing supply houses in all large towns and cities. 1 Link to comment Share on other sites More sharing options...
Ben Bruce aka First Born Posted October 11, 2018 Share Posted October 11, 2018 Kanter's has them. Ben Link to comment Share on other sites More sharing options...
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