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Hello all,

I'm ordering parts for this upgrade for my '89 Bronco 5.8l/351w. I've read the highlights of this thread and used search.

So far, I've got;
Ford Wires
MSD 5505 Cap (due to above recommendation re: Brass)
Misc: Autolite 24's / Dilectric grease / wire dividers.

My question is regarding coil choice. Of the options on Summit these three seem best bang for buck or have been recommended here.
$47.89 - MSD-8227 - 44k V. / 100:1 turn ratio
$46.95 - ACCEL-140012 - 48k V. / 132:1 turn ratio
$29.97 - SUM-850507 - 48k V. / 134:1 turn ratio

Color aside, give the price / specs of the Summit coil, is there a reason it's not the recommendation here? As above, I searched the thread and can't see it mentioned. It seems the better choice?

Thanks,
Dave
 

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Hello all,

I'm ordering parts for this upgrade for my '89 Bronco 5.8l/351w. I've read the highlights of this thread and used search.

So far, I've got;
Ford Wires
MSD 5505 Cap (due to above recommendation re: Brass)
Misc: Autolite 24's / Dilectric grease / wire dividers.

My question is regarding coil choice. Of the options on Summit these three seem best bang for buck or have been recommended here.
$47.89 - MSD-8227 - 44k V. / 100:1 turn ratio
$46.95 - ACCEL-140012 - 48k V. / 132:1 turn ratio
$29.97 - SUM-850507 - 48k V. / 134:1 turn ratio

Color aside, give the price / specs of the Summit coil, is there a reason it's not the recommendation here? As above, I searched the thread and can't see it mentioned. It seems the better choice?

Thanks,
Dave
Here the reason why the 5.8 does not like the sixliter tune up (or a timing bump.) Some good reading here.

http://www.fullsizebronco.com/forum/blogs/seattle-fsb/625-5-8l-timing-bump-perspective.html

http://www.fullsizebronco.com/forum/blogs/seattle-fsb/626-spark-plug-gapping-perspective.html

Sorry, can't help with the different coil options.
 

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Here the reason why the 5.8 does not like the sixliter tune up (or a timing bump.) Some good reading here.

http://www.fullsizebronco.com/forum/blogs/seattle-fsb/625-5-8l-timing-bump-perspective.html

http://www.fullsizebronco.com/forum/blogs/seattle-fsb/626-spark-plug-gapping-perspective.html

Sorry, can't help with the different coil options.
Thank you! Great info and a good read - especially the knock sensor differences. Appreciate the heads up. I think I'll hold off on timing bump and gapping, and add the wires. I guess a new cap won't hurt either.

:duh
 

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I just did the ignition upgrade to my 1996 E150 5.8l minus the timing bump.

-Autolite 25 (.55 gap) spark plugs
-Ford Racing 9mm wires
-Reused the coil that looks stock
-installed cheap distributor cap and cleaned the rotor.

I have a MSD 8482 cap and rotor on it's way. I got it from Amazon. The description says that it has brass contacts. We will see.

I have driven the Van about 50 miles so far. It runs smoother than before but my old distributor was shot. Once I get the MSD cap and rotor, I am going to try bumping the timing to 12 degrees.

The wires are longer than the stocks which made it hard to use the original wire separators. I was able to follow the wiring pattern and left out two wire separators. The stocks wire seperators work but the wires fit tight. They have a bar that locks down over the wires that will keep them in place.

I would recommend a little dawn soap or silicone spray when working the wires into the stock separators

Also, the wire that goes to the coil doesn't have the locking clip (Coil side) but mine had a positive click when I popped it onto the coil. I don't think it will come off but if it were to, I could probably use a dryer duct zip tie to hold it on.

Wires:
https://www.amazon.com/gp/product/B000CNHS5K/ref=oh_aui_detailpage_o00_s00?ie=UTF8&psc=1

Cap/Rotor:
https://www.amazon.com/gp/product/B000COWA8E/ref=oh_aui_detailpage_o01_s00?ie=UTF8&psc=1

Spark Plugs:
https://shop.advanceautoparts.com/p/autolite-high-performance-racing-resistor-spark-plug-ar25/15650011-P?searchTerm=autolite+25

Thanks for everything!
 

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Read through about 60 pages, but if I’m keeping my 96 5.8 mostly stock, should I grab the Autolite 24’s or 25’s?
 

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351w Ignition Upgrade

Sorry All,

I know this thread has been beat to death but I want to very if what I remember from researching this last Thanks Giving season is correct. I want to upgrade my ignition coil and cap on my 1992 5.8L. Unfortunately I already have STANDARD MOTOR PRODUCTS 10083 Ceramic Spark Plug Boots; 8.5mm High Performance Wire, I do not recommend these to anyone with new motorcraft copper plugs. Which part numbers from Accell or MSD should I look for and what spark plug gap should I use. I think from the my research, a 5.8L should not be advanced from the stock 10 deg mark.
 

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Instead of reading through thousands of posts will this work on my 1990 302 SD motor?

Sent from my SM-G960U using Tapatalk
Or you could look under your hood and see if all of the same components and connectors exist on your model...

If the answer is yes.....
 
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