this is a conformation that VDO 4000rpm programmable tach works on our IDI's
http://www.summitracing.com/search?SortBy=BestKeywordMatch&SortOrder=Ascending&keyword=VDO-333-363
VDO part number 333-363
3.375" diameter tach
wiring:
i used a stock tach pig tail from a spare harness.
brown and yellow wire on pin #8
green and yellow on pin #7
constant 12V pin #5
switched 12V to pin #4
ground to pin #3
select value set at 4-8C
pulse value set at 53.00
106 teeth per IP gear, which spins at 1/2 rotation of crank rotation.
this is how i get the 53 value
follow directions to select 4 stroke engine- 8 cylinders
maybe ill do a tech video later.
http://www.summitracing.com/search?SortBy=BestKeywordMatch&SortOrder=Ascending&keyword=VDO-333-363
VDO part number 333-363
3.375" diameter tach
wiring:
i used a stock tach pig tail from a spare harness.
brown and yellow wire on pin #8
green and yellow on pin #7
constant 12V pin #5
switched 12V to pin #4
ground to pin #3
select value set at 4-8C
pulse value set at 53.00
106 teeth per IP gear, which spins at 1/2 rotation of crank rotation.
this is how i get the 53 value
follow directions to select 4 stroke engine- 8 cylinders
maybe ill do a tech video later.
