[DML] John's Spark Plugs
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[DML] John's Spark Plugs



Why did you expect to see carbon buildup on your spark plugs? A properly sized and jetted 2100 delivers extremely close, if not actual, stoich mixture.

How the idea ever originated that carburetors run inherently rich is a complete mystery to me. Every single car in the fuel efficient Japanese invasion of the late 70's and early 80's was carbureted, most famously the Honda Civic which was so efficient under carburetion that it didn't even need catalytic converters until 1984.

Remember: with your carb, *YOU* are in total control of fuel mixture, not an onboard computer. *YOU* decide how rich or lean you want the mixture to be. Once *YOU* pick the mixture, it isn't going to change unless you physically unscrew the jets and replace them with a different size (choke plate excepted of course). 

Remember also that the 2100, for all its simplicity, is a very efficient carburetor. Read up on it -- I think you'll like what you find. Probably the greatest compliment that can be paid to the 2100 is that Jeff Dickey, who *HATES* Ford, is still running his (it helps that Ford didn't design the 2100, Autolite did -- Ford gets credit for not screwing it up after buying the company).

Anyway, your 1.08" venturi and .048-.049" jets are an excellent combination for a low compression 2.85 liter PRV. That is what I supply with all my conversions.

Bill Robertson
#5939

--- In dmcnews@xxxxxxxxxxxxxxx, "Delorean3760" <Delorean3760@...> wrote:
>
...
> 6. Note**** Something I was very pleased with just changed my plugs for first time since Carb set up and suprisingly clean, I really expected to see some heavy black carbon build up but didnt. 
...
> John
> VIN 3760
> 




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