Re: [DML] Re: car pings when accelerating

[Warren Wallingford <warren@xxxxxxxxxx>]

I'm with Dave on this. Unboosted PRV's don't detonate very often. 
Exhaust leaks are very common.
We got the stuff: gaskets and hardware for a complete repair or just 
half of one.
K112258-Manifold Exhaust Kit, One side $49.99
K112259 Manifold Exhaust Kit, Both sides $99.99
Warren at DMC


Dave Swingle wrote:
> Check your timing (with a timing light) to eliminate that, but my 
> guess is that is not the issue. If all you did to fix the loose nut 
> was to tighten or replace the nut, my bet would be that you still 
> have an exhaust leak, just a smaller one. This will sound amazingly 
> like pinging under acceleration. 
> 
> If the exhaust has been leaking at all it tends to burn away the 
> gasket and burn a path into the manifold flange. You can tighten it 
> all you like and it's still going to leak. The correct repair is to 
> replace the gaskets AND refinish the manifold flanges. 
> 
> Dave Swingle
> 
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