horseman with no horse 62 #1 Posted yesterday at 03:25 AM i went to take off the sad coil on my briggs vanguard and the one bolt snapped off. the other i worked back and forth till it came about 1/3 the way out and it also snapped. the one thats 1/3 backed out has about half an inch of shank poking out, and the first one has about 5/16 of the shank poking out. i wire brushed the shanks to get the rust off. should i just heat the pedestal post with a torch, use some penetrator oil, and double nut it? or is there a better way? this sucks as i was almost done with my build and if i somehow ruin the pedestals then the engine is ruined Share this post Link to post Share on other sites
horseman with no horse 62 #2 Posted yesterday at 03:43 AM broken bolts Share this post Link to post Share on other sites
horseman with no horse 62 #3 Posted yesterday at 05:37 AM also i used silicone on the side cover and i have no end play, does that mean i should get a gasket? Share this post Link to post Share on other sites
JoeM 9,655 #4 Posted yesterday at 07:22 AM Yep, Heat quench with penetrating oil. Let it cool before trying with double nuts. Might have to work both ways gently and no hurry. Gasket on the end (sump cover) yes. I don't use anything but the gasket and I have a spring loaded punch used to put dimples )about every inch or so) in the aluminum on the engine. Helps prevent gasket blowout. 1 Share this post Link to post Share on other sites
ri702bill 11,512 #5 Posted yesterday at 08:27 AM 1 hour ago, JoeM said: have a spring loaded punch used to put dimples )about every inch or so) in the aluminum on the engine. Helps prevent gasket blowout. Excellent tip - if not over enthusiasticly done... 1 Share this post Link to post Share on other sites
horseman with no horse 62 #6 Posted 18 hours ago you guys are great thank you. i will keep you updated. i will probably attempt to remove it tonight. Share this post Link to post Share on other sites
horseman with no horse 62 #7 Posted 8 hours ago (edited) SUCCESS! Edited 8 hours ago by horseman with no horse 2 Share this post Link to post Share on other sites
horseman with no horse 62 #8 Posted 8 hours ago should i use anti seize on the threats and base of the coil so this doesnt happen again? Share this post Link to post Share on other sites
horseman with no horse 62 #9 Posted 8 hours ago or will the bolts rattle loose? im gonna be putting some decent rpm on her Share this post Link to post Share on other sites
lynnmor 8,675 #10 Posted 8 hours ago 25 minutes ago, horseman with no horse said: should i use anti seize on the threats and base of the coil so this doesnt happen again? Since it is unlike metals I would use anti seize, just don’t over tighten, the torque should be reduced because of the lubricant. It would be a good idea to run a tap in the holes and use new bolts of the same or higher strength, and if you go a bit longer it would get you into better threads. 1 1 Share this post Link to post Share on other sites
kpinnc 17,466 #11 Posted 6 hours ago 1 hour ago, horseman with no horse said: should i use anti seize on the threats and base of the coil so this doesnt happen again? Absolutely. I would use it on all fasteners in that aluminum block. 1 hour ago, lynnmor said: Since it is unlike metals I would use anti seize, just don’t over tighten, the torque should be reduced because of the lubricant. And this is a good point. Especially on the bolts with higher torque values like the heads. Vanguard heads have some silly high torque values. 1 Share this post Link to post Share on other sites
