<VV> Stumbling acceleration

Dennis PLEAU ddpleau at msn.com
Mon Nov 10 18:46:01 EST 2008


JR,
 
Are you using the same plugs?
 
dp
> From: hmlinc at sbcglobal.net> To: VirtualVairs at corvair.org; cash.case at sbcglobal.net> Date: Mon, 10 Nov 2008 17:14:00 -0600> Subject: Re: <VV> Stumbling acceleration> > Well,> > If/when you solve it, I'd like to hear the solution. I've been dealing with > it (and have partially improved it) for a while now. I THINK it may be > related to carb jetting and/or accelerator pumps. I have already changed > the springs and weights in the distributor so that the advance comes in > earlier and that got rid of about half of the problem, but not all. I'm > thinking about possibly adding the accelerator pumps to the secondaries > since the problem is right at about the point where the secondaries would be > starting to open.> > But, I have an unheated garage and it is COLD out. So, I just might wait > till Spring to see if it fixes itself. <Big Grin>> > I did recently purchase (not yet installed) a set of Seth's plug wires. > Perhaps the solution is waiting on my TO DO shelf right now?> > Later, JR> CCE CORSA CORVANANTICS SCG member> '61 Rampside Standard 4/110> '65 Monza Convertible 4/140> > > ----- Original Message ----- > From: "Cash Case" <cash.case at sbcglobal.net>> To: "Virtual Vairs" <virtualvairs at corvair.org>> Sent: Monday, November 10, 2008 5:03 PM> Subject: <VV> Stumbling acceleration> > > Hi guys-> I'm hunting down a stumble in the acceleration on my '65 140.> When I'm accelerating I get a miss at about third throttle.> I've checked to make sure all the cylinders are firing. The Carbs seem to be > working, but I could be wrong. Both function well. The accelerator pumps on > each carb works. They seem to be drawing the same amount of air. I have > Bosch platinum plugs with the four short terminals around the center > electrode on the spark plugs. So no over the top terminal on them. If I'm > light on the pedal, I can get it to smooth out as I go beyond the 1/3 > throttle, but it is still somehwat rough.> Anyone got an idea which things I should check first? Should I be looking at > a points problem?> -Cash Case
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