[DeTomaso] Lean condition and O2 sensors(was fuel pump)

[GW]

This is a handheld unit I use:

http://www.jegs.com/webapp/wcs/stores/servlet/product_10001_10002_317630_-1

I have used it on several cars and even the tractor. Easy to use. The 
biggest thing it does is when you see an engine go lean or fat you see 
it and go "Oh, that's what it's doing". Awesome tool. It comes with a 
couple bungs which are not hard to weld in. You are looking at optimum 
performance at 12.5:1 and optimum cruise at 14.7:1. This is not exact 
for all engines but close. If your cruising down the road, you target 
about 14.7:1. If your under heavy power it should be 12.5: or richer. 
Perhaps even slightly richer for full power as you do not want a lean 
condition at all under full power. 11.1:1 is too rich and will fowl 
plugs among other things.

One of the best uses is adjusting the bleeds and feeds for transitioning 
and acceleration.

Once you used it you won't give it up!

Gary








Charles Engles wrote:
> Dear Uncle Jack,
>
>
>               You wrote:
>
>
>            "  Best/simplest/cheapest way is to have someone weld in a 
> threaded receiver in your two
>               exhaust collectors and add two wide-band O2 sensors & a gauge 
> with a selector.
>              The hookup can be temporary or permanent. This will give a 
> real-time reading
>               of rich/lean on both banks of the V-8, well before any loss of 
> metal occurs. "
>
>
>               Since my current engine rebuild is taking a bit longer than 
> planned and the headers are off of the engine and car and your 
> "best/simplest/cheapest way" outlined above is attractive and interesting, 
> then.......
>
>                What would be the budget to obtain and install the above 
> system?   Sources and vendors?
>
>
>                                        Curious,  Chuck Engles
>
>
>
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