Kai-by-Vecona Posted May 16, 2014 Report Share Posted May 16, 2014 Hello Everybody, I just tried to make a tune up when suddenly the engine shut down. I tried to start again but nothing happend exept. The I took the air cleaner off and saw that the linkage from the fast idle cam ob the carburator was loose. To my surprise, the hole axle were the idle cam and the linkage is fixed isn't there. I looked under the car and found nothing and I really can't remember how the axle is constructed. My manual didn't show anything either.So I uninstalled the carburator and I see nothing but a hole. There's no thread or anything what could hold the axle. Now I'm a little bit afraid, that the axle normally is pressed into the carburator and it's got loose however and the part is sucked into the engine. (Pleeeeeeease say that this couldn't happen!) However does anybody has a solution to this? I don't want to pull off the head just to look if the littel piece has found it's way through the engine... Quote Link to comment Share on other sites More sharing options...
greg g Posted May 16, 2014 Report Share Posted May 16, 2014 Is the throttle plate still in place? Your pictures enlarge way tuo big for my tablet so i cant tell from the posted photos. Quote Link to comment Share on other sites More sharing options...
_shel_ny Posted May 16, 2014 Report Share Posted May 16, 2014 (edited) Not sure, but I don't think it would go inside. Edit: add another pic The pin/peg seems to large to have entered the carb. Edited May 16, 2014 by shel_ny Quote Link to comment Share on other sites More sharing options...
Kai-by-Vecona Posted May 16, 2014 Author Report Share Posted May 16, 2014 yes, the throttle plate is still in place. Like on the pictures of shel_ny there's a hole from the inside but the pin is missing. I don't understand how that part is fixed to the carburator normally. I really hope that it don't go inside. Quote Link to comment Share on other sites More sharing options...
_shel_ny Posted May 17, 2014 Report Share Posted May 17, 2014 yes, the throttle plate is still in place. Like on the pictures of shel_ny there's a hole from the inside but the pin is missing. I don't understand how that part is fixed to the carburator normally. I really hope that it don't go inside. I did not attempt to remove the pin, but I believe it is just a press in fit. The end of the pin is .25". Best that I can do to measure the hole from the inside is .22" The pin does not go far into the throttle body. You should be able to fabricate a pin from a piece of stock. Let me know if you need any other measurement. Quote Link to comment Share on other sites More sharing options...
greg g Posted May 17, 2014 Report Share Posted May 17, 2014 Is the hole in Shels pic the idle air screw passage? If you have a hand throttle the high idle cam and linkage is redundant. Quote Link to comment Share on other sites More sharing options...
JD luxury liner Posted May 17, 2014 Report Share Posted May 17, 2014 you would know right away if it went into engine. I agree with she_ny. the shaft is bigger than the hole. Quote Link to comment Share on other sites More sharing options...
_shel_ny Posted May 17, 2014 Report Share Posted May 17, 2014 (edited) Is the hole in Shels pic the idle air screw passage? If you have a hand throttle the high idle cam and linkage is redundant. Greg, that is the hole for the pin/peg that the fast idle cam pivots on. Same hole as in the pic Kai posted. J Edgar had the Stromberg with the cam, and had a hand throttle. About the only time I used the hand throttle was to keep the rpm's up to charge the battery when sitting in the yard. Easier than trying to get the high idle cam back into play. Edit: sp Edited May 17, 2014 by shel_ny Quote Link to comment Share on other sites More sharing options...
greg g Posted May 17, 2014 Report Share Posted May 17, 2014 That was my thought. Plug the hole, bypass the hi idle, and use the hand throttle when needed. Should be able to find a suitable plug at the hardware store. My hi idle is wired down because it was worn to the point where it stayed on the cam. So it is locked in the off position. Hasnt been an issue even with the hand throttle in operative also. Quote Link to comment Share on other sites More sharing options...
greg g Posted May 17, 2014 Report Share Posted May 17, 2014 Gotta do something with that hole even temporarily as it will cause too much of a vacuum leak to allow the engine to idle or run while sucking ait through that hole. Quote Link to comment Share on other sites More sharing options...
Kai-by-Vecona Posted May 18, 2014 Author Report Share Posted May 18, 2014 Hello, because I didn't find the pin I will try to plug the hole. Now as I understand the funktion of the high idle cam I would try without until I find a carburetor for rebuilt. You can't leave the hole open because the enginge will get too much air. What I really don't understand is the construction of the hole/pin. I always think, the hole might be something for elsewhere they could made a pin that is included in the cast body. But who knows... main thing is to get the car back on the street. Thank's for the help Kai Quote Link to comment Share on other sites More sharing options...
Dave72dt Posted May 18, 2014 Report Share Posted May 18, 2014 if your measurements are correct, the shank of a 1/4 " bolt should go right in and if too tight, chucking it into a drill and taking a file to it should get it to size fairly quick. it's not cast into the carb because different length pins can be used for different applications. A bit of lock tight will help secure it in place. Quote Link to comment Share on other sites More sharing options...
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