Have you tried to richen the carb adjustment. Also increase the idle about 50 - 75 idle rpm.?
THE SENILITY PRAYER : Grant me the senility to forget the people I never liked anyway, the good fortune to run into the ones I do, and the eyesight to tell the difference. --- On Tue, 2/24/09, Percy <[email protected]> wrote: > From: Percy <[email protected]> > Subject: [ercoupe-tech] Hesitation > To: [email protected] > Date: Tuesday, February 24, 2009, 11:09 PM > Rather than look at over 400 hits on carb in the archives, I > decided > to ask for a new recount of group wisdom. > I'm working with an Ercoupe, C-75. Has the Stromberg > NA-53A1. What > it does is "hesitate" when the throttle is > advanced. It starts and > idles just fine, but accelerating the engine up to a > thousand RPM or > so causes it to miss and almost die. By retarding the > throttle, it > goes back to smooth idle. After getting over the 1000 - > 1300 RPM > point, it responds to the throttle fine again. Any Ideas? > Today I inspected the intakes and they looked good. I > took the > screen out of the carb and it was clean. Tightened the > prime plumbing. > The discussion lately about the "automatic > rich" got me to thinking > if that has something to do with it. I wouldn't know > one if it bit > me. Could this be an "accelerator pump" issue? > My IA says something > about removing the bottom plugs, but I don't want to go > there as is > doesn't make sence to me right now. > So lay it on me, Sports Fans. And does any body have a > line on the > books for that beast? > Percy in NM, USA > > > > ------------------------------------ > > Yahoo! Groups Links > > >
