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post #1 of (permalink) Old 12-14-2000, 12:35 PM
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TFI Coil Mount

I am in the process of installing a TFI upgrade the new coil has a large metal band around the out side with 4 holes in it i assume for mounting. I was going to fabricate a mount by welding four bolts to a steel plate and mounting the plate to the fire wall and sliding the coil over the bolts and securing with nuts.

What I need to Know is should the metal band around the coil be grounded or not?

thanks.

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post #2 of (permalink) Old 12-14-2000, 01:00 PM
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Re: TFI Coil Mount

Grounding is not necessary though it will help reduce radio noise.

'75 CJ5,258 w/Howell EFI,T18a,4.27's,33's,On-board air,Warn 8274
post #3 of (permalink) Old 12-14-2000, 03:57 PM
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Re: TFI Coil Mount

Sounds like a lot of work . . . I just went to a junk yard and found an old FORD F-150 with the I6 300 in it. Bought the coil mount out of it for $2. Maybe that would be simpler?
Happy Jeepin' with the TR upgrade - I sure like mine!

Jed Smith
'80 CJ7,258 w/ TR upgrade,1" shackles,
4" lift in the works
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post #4 of (permalink) Old 12-14-2000, 04:08 PM
 
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Re: TFI Coil Mount

I'm pretty fond of the junk yard myself!!
I don't get much time to get there anymore, but I sure enjoy the time I'm there...
We still have a couple of friendly 'U-Pull' yards around here, so I can waste hours poking around....

If you don't want to do the junk yard thing, just drill two holes to mount a 1"x 1" angle iron section about 4" long.
Two holes and self tapping sheet metal screws to mount the angle.
Two holes for the coil rack, then grind or hack saw out space for the coil it's self to clear, and use a couple of #12 bolts and nuts with lock washers.
If you want to get tricky, you can round the sharp edges, and paint it black. Don't forget the Ny-Lok self locking nuts instead of lock washers...

A little tin or aluminum shield over the coil will help keep the radio noise to a minimum also.
I cut a pop can down the side, and turn it wrong side out, (So the Budwiser doesn't show), and just wire tie it, or include it under the screws to hold it in place.

Don't over engineer things, it only adds weight and frustration.

Let us know how it turns out!

"I Have The Body Of A God... Buddha"
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post #5 of (permalink) Old 12-14-2000, 05:55 PM
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Re: TFI Coil Mount

This is a pretty simple way to mount it.

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post #6 of (permalink) Old 12-14-2000, 06:34 PM
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Re: TFI Coil Mount

>>>>>This is a pretty simple way to mount it.

***** That is how and where i have mine mounted

great minds think alike

)

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post #7 of (permalink) Old 12-15-2000, 11:43 AM
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Re: TFI Coil Mount

Yea. You can find a lot of different types of mounts for that coil at the junkyard. I got one, out of a Tempo I think, that bolted flat to the firewall. It's high and dry, away from heat and looks cool. That also lets you retain the old coil as a spare.
Larry

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post #8 of (permalink) Old 12-16-2000, 06:19 PM
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Re: TFI Coil Mount

The TFI works great! I mouted it to the fender using 3 inch bolts. I am going to college in Fairbank Alaska current temperature negateive 20 F. The TFI gave much more power when cold and faster stounger start up. Deffinatly worth the $110 in parts. thax for all the help.

bandhmo - ban dihydrogenmonoxide.

post #9 of (permalink) Old 12-17-2000, 01:07 AM
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Re: TFI Coil Mount

Guys the only problem I found it finding a coil to distributor wire long enough? Where can I find one? What did yall do?

<font color=blue> Muddynut</font color=blue>
<font color=red>[img]/wwwthreads_images/icons/cool.gif[/img]'78 CJ7 "Issues"-304-35s</font color=red>[img]/wwwthreads_images/icons/cool.gif[/img]
post #10 of (permalink) Old 12-17-2000, 06:28 AM
 
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Re: TFI Coil Mount

Here is a secret on that coil wire...
You can use a spark plug wire.
Yup. That's right.
The coil and the distributor cap both have spark plug terminals, so you can use a spark plug wire.

MSD sells a spark plug/ coil wire kit for about $12 that is the best thing I have ever seen.
Comes with about 3' of wire, and the ends. BIG NASTY ENDS!!
Personally, I'd spare no expense on the coil wire, it works every time the coil fires, while the spark plug wires only work 1 in 6 times or 1 in 8 times, or they are supposed to anyway....
MSD makes a GREAT little spark plug wire crimper, available from Summit for about $3.
Perfect wires every time.

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