<VV> backfire on one side

[Jim Houston]

Are the plug wires in the correct order??  Sounds like you might have 
one swapped...  just a thought...

Jim Houston
Tampa, FL

Keith Hammett wrote:
> Hello to the Corvair gurus,
>
>  
>
> Last night I had some time to work on the rampside again.  First some
> info on what has been done.  A 110hp late model engine was selected, new
> bearings on clean crank, new rod bearings, cyld. Jugs cleaned/honed, new
> rings, and heads that po said were redone (looked like they were worked
> over so I used them).  Everything was within specs per the 65 shop
> manual.  Next was carbs, a set of late model carbs were selected and
> gone through with new parts being used on reassembly.  This was then
> mated to the 62 pg in the rampside.  Once in the rampy, I fired it up
> and had backfire through both the carbs and exhaust on both banks.
> Terry Kalp supplied a set of cut out valve covers for a hot adjustment
> procedure (thanks Terry!), this helped things greatly!
>
>  
>
> Now, what happened last night!  I still have a slight backfire on the
> left bank out the carb when the throttle is blipped.  I decided that I
> would switch the carbs and see what the result would be.  Well I still
> have the backfire on the left bank.  So at least I know that the carb is
> not the cause of the backfire.  Seems like the left bank runs ruff,
> maybe a miss fire on that side, should I short each plug to see if there
> is any result?  I know that each wire fires at least to the plug
> (checked with timing light).  Next up is to do a compression test.  Any
> other thoughts?  Vacuum leak?, where to look on one side?  Good News the
> right side runs good!
>
>  
>
> I do recall that it looked like the intakes had been welded up on the
> heads, don't remember now if it was both heads or not.  Possible vacuum
> leak?
>
>  
>
> Keith Hammett
>
> Willard, Mo.  
>
>  
>
>  _______________________________________________
> This message was sent by the VirtualVairs mailing list, all copyrights are the property
> of the writer, please attribute properly. For help, mailto:vv-help at corvair.org
> This list sponsored by the Corvair Society of America, http://www.corvair.org/
> Post messages to: VirtualVairs at corvair.org
> Change your options: http://www.vv.corvair.org/mailman/options/virtualvairs 
>  _______________________________________________
>
>