Re: [Amc-list] TBI fuel injection tuning.detonation

[Joe Fulton <piper_pa20@xxxxxxxxxxx>]

--- On Thu, 11/20/08, Tom Jennings <tomj@xxxxxxx> wrote:

> From: Tom Jennings <tomj@xxxxxxx>
> Subject: Re: [Amc-list] TBI fuel injection tuning...
> To: "AMC/Rambler owners, drivers and fans." <amc-list@xxxxxxxxxxxx>
> Date: Thursday, November 20, 2008, 3:07 PM
> Sandwich Maker wrote:
> 
> > BTW, this motor WILL NOT ping. It detonates, for sure, but
> it does not 
> make that pinging noise. I heard that only once in the year
> (is it two?) 
> I've driven it, and I'm really pushing spark.
> Compression is 7.8:1. With 
> too much advance it bucks, clearly between there and
> "correct" is some 
> detonation, but how to detect it!?
> 
What about a knock sensor?  I'm not familiar with the technology used, but you could mount one in an appropriate port on the engine and just connect it to a light on the dash.  Perhaps just JB Weld a knock sensor bung to the block somewhere.

I'm planning to play with the timing on my 196 too and to use the wide band oxygen sensor to tune the carb.  And now that I think about it, it would have been a good idea to smooth the rough spots on the pistons before I assembled my 196.  I'll try to remember to do that if I ever have to open it back up.  

Joe Fulton

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