Chuck Kuntz Posted November 28, 2017 Share Posted November 28, 2017 New piston expander sets for most makes of cars from 1930-1950 $5 per set. This is a low cost option to new pistons. You must specify year and model. Link to comment Share on other sites More sharing options...
Chuck Kuntz Posted December 6, 2017 Author Share Posted December 6, 2017 btt Link to comment Share on other sites More sharing options...
Chuck Kuntz Posted February 14, 2018 Author Share Posted February 14, 2018 relisting Link to comment Share on other sites More sharing options...
Chuck Kuntz Posted May 19, 2018 Author Share Posted May 19, 2018 relisting Link to comment Share on other sites More sharing options...
Chuck Kuntz Posted June 19, 2018 Author Share Posted June 19, 2018 relisting Link to comment Share on other sites More sharing options...
Chuck Kuntz Posted November 25, 2020 Author Share Posted November 25, 2020 relisting Link to comment Share on other sites More sharing options...
Chuck Kuntz Posted December 20, 2020 Author Share Posted December 20, 2020 relisting Link to comment Share on other sites More sharing options...
trimacar Posted December 20, 2020 Share Posted December 20, 2020 I never have understood what a piston expander does or how it works...anyone used them? Link to comment Share on other sites More sharing options...
JFranklin Posted December 20, 2020 Share Posted December 20, 2020 (edited) 7 hours ago, trimacar said: I never have understood what a piston expander does or how it works...anyone used them? In Los Angeles, I remember TV and radio ads for Lou's Garage. He would overhaul your engine mostly with a hone job, bearings, valve grind, and a set of piston expanders. Oh yes, of course you got new gaskets and oil. It probably cost you a whole $59.95! After honing the piston, the skirts needed expanding to mitigate piston slap. Does anyone else remember those ads? Edited December 21, 2020 by JFranklin (see edit history) Link to comment Share on other sites More sharing options...
Chuck Kuntz Posted January 23, 2021 Author Share Posted January 23, 2021 relisting Link to comment Share on other sites More sharing options...
Chuck Kuntz Posted February 10, 2021 Author Share Posted February 10, 2021 relisting Link to comment Share on other sites More sharing options...
Chuck Kuntz Posted March 1, 2021 Author Share Posted March 1, 2021 relisting Link to comment Share on other sites More sharing options...
Chuck Kuntz Posted March 28, 2021 Author Share Posted March 28, 2021 relisting Link to comment Share on other sites More sharing options...
yachtflame Posted April 3, 2021 Share Posted April 3, 2021 So....what is this and do you have one for a 1930 LaSalle 340? How about a 1931 Cadillac 355? Link to comment Share on other sites More sharing options...
trimacar Posted April 3, 2021 Share Posted April 3, 2021 Any in a box that states Pierce Arrow? I'd buy one of those sets... Link to comment Share on other sites More sharing options...
Chuck Kuntz Posted April 4, 2021 Author Share Posted April 4, 2021 Sorry can't help on either of those two cars. These expand the skirt of the piston to compensate for wear. Chuck Link to comment Share on other sites More sharing options...
Chuck Kuntz Posted May 7, 2021 Author Share Posted May 7, 2021 relisting Link to comment Share on other sites More sharing options...
Chuck Kuntz Posted June 2, 2021 Author Share Posted June 2, 2021 relisting Link to comment Share on other sites More sharing options...
Chuck Kuntz Posted July 13, 2021 Author Share Posted July 13, 2021 relisting Link to comment Share on other sites More sharing options...
55matchless Posted July 13, 2021 Share Posted July 13, 2021 Maybe some pictures would help..... Link to comment Share on other sites More sharing options...
Chuck Kuntz Posted November 20, 2021 Author Share Posted November 20, 2021 relisting Link to comment Share on other sites More sharing options...
Swear57 Posted November 21, 2021 Share Posted November 21, 2021 I believe he's talking about chucking the piston up in a lathe & using a knurler to expand the skirt then fitting each piston to each cylinder. Link to comment Share on other sites More sharing options...
Chuck Kuntz Posted November 21, 2021 Author Share Posted November 21, 2021 No, these fit inside the piston to expand the skirt. Chuck 1 Link to comment Share on other sites More sharing options...
Chuck Kuntz Posted December 8, 2021 Author Share Posted December 8, 2021 relisting Link to comment Share on other sites More sharing options...
Chuck Kuntz Posted January 28, 2022 Author Share Posted January 28, 2022 relisting Link to comment Share on other sites More sharing options...
Chuck Kuntz Posted March 19, 2022 Author Share Posted March 19, 2022 relisting Link to comment Share on other sites More sharing options...
Flivverking Posted March 19, 2022 Share Posted March 19, 2022 I have a few NOS sets of these around to..They are just spring clips you install in the middle of the piston skirt(which you have to modify a bit) to ,in theory,expand the piston skirt ever so slightly,closing up the clearance,stalling off a real rebore.. Done when doing basic re-ringing and usually coupled with a valve grind ,back in the 30's to the 50's when plain old service overhauls where common. You may kill off some piston slap .LOL! I have only seen them installed in Early Fords,Model.A and early V8s and 30's Mopars. Sorry,but I see no value in them other then a display Item. Link to comment Share on other sites More sharing options...
Chuck Kuntz Posted October 20, 2022 Author Share Posted October 20, 2022 relisting Link to comment Share on other sites More sharing options...
Chuck Kuntz Posted November 23, 2022 Author Share Posted November 23, 2022 relisting Link to comment Share on other sites More sharing options...
Chuck Kuntz Posted March 7, 2023 Author Share Posted March 7, 2023 relisting Link to comment Share on other sites More sharing options...
Chuck Kuntz Posted September 13, 2023 Author Share Posted September 13, 2023 relisting Link to comment Share on other sites More sharing options...
Chuck Kuntz Posted December 1, 2023 Author Share Posted December 1, 2023 relisting Link to comment Share on other sites More sharing options...
Chuck Kuntz Posted February 24 Author Share Posted February 24 relisting Link to comment Share on other sites More sharing options...
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