Run the timing control with the system. I ran my traditional ignition setup with my FiTech up until last year for simplicity sake. The difference is night and day.
Yes the initial setup is a little bit more complex, but once the setup is complete the tunability in the system grows… a lot!
For me, throttle response increased further, fuel mileage increased, engine runs cooler and I gained a full 1.5” of vacuum.
I don’t run a massive cam at a 232/238 112 but the timing control really tamed the combination compared to the HEI. So much so that I’m really after a much more aggressive cam at this point.
Good for thought.
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-Jason
1969 Pontiac Firebird
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