I know they work well in the older Chevys that have the first gen HEI. But I think the stock toyota ignition is hard to improve on! I have the Jacobs it's a total wast of money!!

Be Wild,
RAZZ


87 4Runner 22R-TE
4 Pro Comp IFS
63 Chevy springs
5.71 gears
Detroit in rear, Lockright in front
35 MT/R
Rancho 9000
Jacobs ProStreet ign module and Ultra coil
1992 3VZ-E swapped in