Re: Vacume Advance Opperation

[James <james.carpenter@ukaea.org.uk>]

Trouble with my car is I don't know if it's suposed to have the tap at
that place.  The carbs althogh they are the right type, are not the
specfifc number. 

Vacume advance data though...

RKC0638      Non US Modles          
Inches Hg    Deg Crank Advance      Crank RPM           Crank Advance
2.0          None what so ever      600                 None what so
ever
3.0          0-1                    1100                2-6            
6.5          1-6                    1400                6-10
8.5          5-9                    2000                8-12
11.0         9-13                   3200                12-16
18.0         10-14


TKC1224      US Modles  1975 
Inches Hg    Deg Crank Retard       Crank RPM           Crank Advance
1.0          None what so ever      850                 None what so
ever
15.0         10-14                  1200                0-7            
20           10-14                  1600                8-12
                                    2600                11-15
                                    3200                12-16
                                    5000                12-16

TKC2755      US Modles  1976         
Inches Hg    Deg Crank Retard       Crank RPM           Crank Advance
3.0          None what so ever      850                 None what so
ever
5.0          3.0                    1500                5-8.6            
7            6.0                    1700                6-10
11           12.0                   3000                10.4-14
15           12.0                   3500                12-16
                                   
TKC3289      Non US Modles     1977/1979    * This Is NOT a Retard
system    
Inches Hg    Deg Crank Advance      Crank RPM           Crank Advance
3.5          None what so ever      800                 None what so
ever
5.0          0-5                    1200                0-10            
7.0          5-13                   1500                6-14
9.0          14-20                  2200                12-16
10.0         16-24                  3500                16-20
The other thing of note, when your tuning your carburetters with an
exhaust gas analyser you should remove the air pump line after the
diverter. 
      CO%  Tolerance %
75/76 1.5%  0.5% to 1.5%
1977  3.0%  0.5% to 6.0%
78/89 5%    3.0% to 7.0%

-- 
James Carpenter
Yellow '79 spit wired by a trained marmot