mikewest Posted April 24, 2022 Share Posted April 24, 2022 OK experts ... enlighten me whats the purpose of this toggle?? Maybe the engine is a oil burner?? supposedly better combustion?? no idea here. Link to comment Share on other sites More sharing options...
nickelroadster Posted April 24, 2022 Share Posted April 24, 2022 Could be something like that. Bringing them away from the combustion chamber may be an anti fouling trick Link to comment Share on other sites More sharing options...
Rusty_OToole Posted April 24, 2022 Share Posted April 24, 2022 Those look like hardware store plumbing fittings. Someone's idea to reduce oil fouling on a worn engine sounds plausible to me too. 1 Link to comment Share on other sites More sharing options...
Ben Bruce aka First Born Posted April 24, 2022 Share Posted April 24, 2022 Ingenious, maybe? Probably better than the jumper/extender wires I used. Ben Link to comment Share on other sites More sharing options...
JV Puleo Posted April 24, 2022 Share Posted April 24, 2022 I've seen something similar in an English motor manual c.1914 except that it was a Y shaped fitting and there were two plugs in each cylinder with a jumper to connect them. Link to comment Share on other sites More sharing options...
Oldtech Posted April 25, 2022 Share Posted April 25, 2022 3 hours ago, Rusty_OToole said: Those look like hardware store plumbing fittings. Someone's idea to reduce oil fouling on a worn engine sounds plausible to me too. Yes, hardware store fittings. Model T spark plugs are pipe thread so an easy modification Link to comment Share on other sites More sharing options...
Graham Man Posted May 3, 2022 Share Posted May 3, 2022 Absolutely hardware store 45 degree elbows... no idea why? It would lower compression even more. Oil fouling was a big deal on this engine, maybe the distance helped keep the oil off the plugs? 1 Link to comment Share on other sites More sharing options...
rocketraider Posted May 3, 2022 Share Posted May 3, 2022 I remember "anti-fouler" fittings for spark plugs in the 70s; my dad had three on a 1968 Chevy 307 that started blowing oil like no tomorrow after having a replacement head installed at 49,880 miles. Those were straight fittings though. Trying to figure how these 45° elbows got the spark to the cylinder to ignite the mixture, given the limitations of the T ignition system? Link to comment Share on other sites More sharing options...
NewOldWood Posted May 8, 2022 Share Posted May 8, 2022 On 5/3/2022 at 5:27 PM, rocketraider said: I remember "anti-fouler" fittings for spark plugs in the 70s; my dad had three on a 1968 Chevy 307 that started blowing oil like no tomorrow after having a replacement head installed at 49,880 miles. Those were straight fittings though. Trying to figure how these 45° elbows got the spark to the cylinder to ignite the mixture, given the limitations of the T ignition system? I'v seen those anti foulers too, i'd bet that's what these are being used for. The fitting here is called a street elbow, male on one end and female on the other. You can get them in 45 and 90 degree, never seen a straight fitting though. Link to comment Share on other sites More sharing options...
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