| for Volvo 240, 245, 340, 360, 740, 760, 940, 960 & Volvo Penta|  | the 123-B21-B23-R-V is designed for the Volvo B17, B19, B21, B23 and B230 engines, not only for classic cars like the Volvo 242, 244, 245 etc but also for the trucks and boats ( Volvo Penta ) . 
 the 123 offers advance-curves for B17 - B25 Volvo & Volvo Penta engines including turbo engines. This is the result of thorough research in the original Volvo-workshopmanuals.( even a couple of optimised LPG / Ethanol-curves are available )
 
 The 123-B21-B23-R-V also offers :
 
 - vacuum-advance
 - automatic dwell
 - spark balancing
 - automatic power cut after 1 second
 - gearshift retard
 - etc.etc.
 
 
 
 Price 4 670,00 SEK excl VAT, 5 837,50 SEK incl 25%  swedish VAT
 
 The latest version of the 123-tune software for windows is 2.3.1, download now (6 Mb windows installer)
 
 
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|  installation manual     
 
 
 
 SPECIFICATIONS
 
 direct.	: CW (topview)
 voltage	: 4,0-15,0 Volts
 range	: 500 - 7000 rpm
 temperature	: -30 to 85 Celsius
 coil	: stock or High Energy coil
 primary coil NOT below 1,0 ohm
 dwell	: constant current, fully autom.
 time-out	: after 1 second current is switched off
 spark-bal.	: better than 0,5 degr. crankshaft
 vacuum	: advance starts at 5 inchHg
 stops at 10 degr. @ 10 inchHg
 gearshift retard > 17 inchHg
 max.advance	: 45 degr. crankshaft
 wiring	: red = +6V or +12V, black = '-' coil
 
 
 
 
 
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