Distributor Advance
Posted: Sun Feb 22, 2004 8:49 pm
I have checked the +2 workshop manual (page 14)and compared the data for the 41189A distributor with the data for the same in the Miles Wilkins Lotus Twin Cam book (page 168 -169). The advance figures are the same but for different RPM.
Crank RPM / <span style='color:green'>ADVANCE (+2 manual</span>) / ADVANCE (Wilkins book)
1000 / <span style='color:green'>Static (10</span>) / Static
1250 / <span style='color:green'>12.5</span>/ Static
1500 / <span style='color:green'>14.5</span> / Static
1750 / <span style='color:green'>17</span> / Static
2000 / <span style='color:green'>19.3</span> / Static
2250 / <span style='color:green'>21.5</span> /
2500 / <span style='color:green'>24 max adv </span>/ 12.5
3000 / <span style='color:green'>24 max adv </span>/ 14.5
3500 / <span style='color:green'>24 max adv </span>/ 17
4000 / <span style='color:green'>24 max adv </span>/ 19.3
4500 / <span style='color:green'>24 max adv </span>/ 21.5
5000 - 6500 / <span style='color:green'>24 max adv </span>/ 24 max adv
Any idea which is correct ?
I have a 43D4 fitted which is meant to replace the 41189A and it gives a curve like the +2 manual. I have twin 40 dcoe and c type cam
Crank RPM / <span style='color:green'>ADVANCE (+2 manual</span>) / ADVANCE (Wilkins book)
1000 / <span style='color:green'>Static (10</span>) / Static
1250 / <span style='color:green'>12.5</span>/ Static
1500 / <span style='color:green'>14.5</span> / Static
1750 / <span style='color:green'>17</span> / Static
2000 / <span style='color:green'>19.3</span> / Static
2250 / <span style='color:green'>21.5</span> /
2500 / <span style='color:green'>24 max adv </span>/ 12.5
3000 / <span style='color:green'>24 max adv </span>/ 14.5
3500 / <span style='color:green'>24 max adv </span>/ 17
4000 / <span style='color:green'>24 max adv </span>/ 19.3
4500 / <span style='color:green'>24 max adv </span>/ 21.5
5000 - 6500 / <span style='color:green'>24 max adv </span>/ 24 max adv
Any idea which is correct ?
I have a 43D4 fitted which is meant to replace the 41189A and it gives a curve like the +2 manual. I have twin 40 dcoe and c type cam