[DML] Re: Clarification: DeLorean Spark Advance
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[DML] Re: Clarification: DeLorean Spark Advance

I agree with David. I tried a distributor from a Volvo B27F and it was 
as Bill stated, two equal weights with springs on both. The result was 
more torque because of the slower mechanical advance. I didn't have to 
down shift as soon but the overall performance dropped. The original 
single spring configuration results in an engine that reves more 
freely. I'd like to know the difference in the advance scale of the 
B28E distributor which is the Euro spec one. I know Martin others have 
done performance upgrades in England using that distributor along with 
other Euro spec modifications.  

Bruce Benson 

The weights inside the distributer for the mechanical advance both
> work. You are correct that there is only 1 spring but it connects to
> the central shaft that the rotor is on. That one spring is all that 
> needed. You should see 20 degrees of mechanical advance if it is
> operating properly. The other 20 degrees is vacuum for a total 
> of 40 (if everything is working right of course!). BTW the weights 
> slightly different but the one spring works both of them. Adding
> another spring will only delay the full mechanical advance. Generally
> you want it all in as fast as the motor can take it for maximum
> performance.
> David Teitelbaum
> vin 10757

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