Howell TBI vs. Crane HI-6 CDI Fixed! - Off-Road Forums & Discussion Groups
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post #1 of (permalink) Old 05-29-2007, 12:24 PM Thread Starter
Journeyman
 
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Talking Howell TBI vs. Crane HI-6 CDI Fixed!

Finally, I got the Crane HI-6 Tack signal to work with the Howell TBI Computer! It was very simple but nobody really knew the answer, so I thought let the world know.

It was the Howell ‘tach filter’. Originally, by my mistake, I ordered the Howell TBI for a stock ignition and not for a Capacitive Discharge Ignition, like an MSD unit. I should have ordered one, like it says in their manual, for a CDI unit.

Well, I remove the original tack filter in the Howell wiring harness and replaced it with their $50.00 MSD tach filter and eureka, it runs!

And wow, what a difference from the stock ford dura-spark system. You can really feel and hear the new spark in that CDI unit!

What thorough me off was that the Howell techs could on tell me this originally because they had no experience with the Crane CDI. All they said was it should work with the MSD unit. Seems like the tack signals for CDI’s are similar.
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post #2 of (permalink) Old 05-29-2007, 04:33 PM
I Might Just Know What I'm Talking About
 
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Thanks for the update.....this is the kind of stuff we needs guys to post about....so often someone figures out something but does not share the info...

Once again...thanks.

AKA DDawg16
84 CJ7, SOA, 5.7LTBI, 4L60E, 35"x12.5, 4.10 gears, F/Det, R/ARB, Full Roll Cage,
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