Tony Ingram Posted October 23, 2011 Share Posted October 23, 2011 Anybody know where I can buy a gasket kit for a 673 that's in my H61 for a reasonable price? The thing sat since 1974 so all the gaskets are shot. Just wanting to make her as tight as possible to minimize the drips and leaks. Have seen kits on ebay in the past but none recently. Also are there many variations of kits? Is a 673 kit all the same or were there variations of that motor? Engine runs good just tired of carrying around a drip bucket everywhere I go. Also thinking I need a new thermostat, where on earth would I get one of those? Not sure many parts houses would stock one of those, thanks.... Quote Link to comment https://www.bigmacktrucks.com/topic/21243-gasket-kit-for-673/ Share on other sites More sharing options...
Rob Posted October 23, 2011 Share Posted October 23, 2011 Yes, there are several variants and most are obsolete as far as head gaskets. Most of the other gaskets affording oil, and water sealing can still be had but you may need to make a few with gasket sheeting, and an razor knife.If you run into difficulty, there are gasket making services out there on the internet. Here is a good one but you must be patient. http://www.olsonsgaskets.com/Rob Quote Plodding along with no job nor practical application for my existence, but still trying to fix what's broke. Link to comment https://www.bigmacktrucks.com/topic/21243-gasket-kit-for-673/#findComment-89271 Share on other sites More sharing options...
rhasler Posted October 23, 2011 Share Posted October 23, 2011 I think they're still available through Mack too. I think you're looking for 126SB183A (valve grinding kit) and 126SB184A (lower gasket kit). Quote "Mebbe I'm too ugly and stupid to give up!" Link to comment https://www.bigmacktrucks.com/topic/21243-gasket-kit-for-673/#findComment-89272 Share on other sites More sharing options...
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