Re: [Chrysler300] popping

["Ryan Hill" <ryan_hillc300@xxxx>]

John, you've mystified me as well but I'll throw in a couple of long shot 
suggestions to possibly get on the right track. (or to rule out....if you 
already haven't)

I have experienced backfiring caused by three things. Ignition timing, 
Carburator misadjustment/malfunction, and vacuum leaks. If it were me and I 
had ruled out intake gasket/valley pan leaks as well as carburator problems 
I would check the timing chain and distributor for wear. Sounds like none of 
these are problems though if the engine is performing well other than in a 
left turn.

Given that the problem only occurs when you turn I'd check the following 
things: Make sure the steering isn't binding or crimping any fuel or vacuum 
lines as well as any ignition wires. If the car has a neautral safety switch 
like my '65 the wire runs up right near the steering column in front of the 
firewall and could be worn through but only shorts on the column when you 
turn? (cutting the ignition briefly can cause a backfire)

If none of these turn up any problems, try running the car from a small gas 
can under the hood? Does this problem exist when the engine is both hot and 
cold? Hmmmmmmmmmmm.....I'll keep thinking on this one.

Good Luck. Ryan Hill





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