[Healeys] popping exhaust

gene stigen gstigen at msn.com
Sun May 23 18:57:45 MDT 2010


Normally, (popping)out of the exhaust is a sign of a leak in the exhaust
system, allowing the unburned fuel to ignite. Check for leaks,momentarily put
shop rag over tailpipe outlets, listen for leaks. cheers Geno

> Date: Mon, 24 May 2010 07:17:35 +0800
> From: healey.nut at gmail.com
> To: djg at gavinassociates.com; healeys at autox.team.net
> Subject: Re: [Healeys] popping exhaust
>
> Dennis -
>
> Popping usually suggests you have a lot of unburned fuel getting into
> your exhaust.  I'd pull all of your spark plugs and see if any of them
> look black or wet.  If so you probably have a bad plug.
>
> By the way, have you gapped your rockers?  If your rockers are way off
> you can get popping too.  Torque head and do rockers before doing your
> tune up.
>
> Finally, are you using your old coil or a new one?
>
> Alan
>
> On 5/24/10, Dennis Gavin <djg at gavinassociates.com> wrote:
> > I'm hoping the list doesn't feel this question trivial or unworthy but
let
> > me try. I'm still sorting my 63 BJ7 after a two year, frame off, resto and
I
> > still seem to have bugs. When I back off throttle I get loud popping
> > bordering on backfire in intensity. New plugs & points and my attempt at
> > tuning the carbs to proper mixture have all been done. Can anyone give me
a
> > direction or is this not an obvious problem? As always, I treasure this
list
> > and appreciate your efforts to help. Thank you.
> >
> >
> >
> > Dennis Gavin
> >
> > 63 BJ7
> >
> > 63 E Type Roadster
> > _______________________________________________
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> >
>
> --
> Sent from my mobile device
>
> Alan
>
> '52 A90
> '53 BN1
> '59 Jag Mk IX
> '64 BJ8
> _______________________________________________
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