1996 Ignition Control System in 1991 Bronco.
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Tuned
Joined: Jul 2004
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From: Delaware
1996 Ignition Control System in 1991 Bronco.
I found a 1996 f250 351W engine as a donor for my 1991 Bronco. My 1991 351W has the worst blow by and oil consumption of any engine I’ve ever seen and I’ve had many dozens of vehicles. My question is can I use the distributor and fender mounted ignition control module from the 96 in my 91 or should I just continue to use the ICM mounted distributor from my 91 on the new engine?
Last edited by gov2mod; May 6, 2026 at 10:48 PM.
Thread Starter
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Tuned
Joined: Jul 2004
Posts: 476
Likes: 5
From: Delaware
Have any of you actually converted your old style (like my 91 Bronco) wiring harness to use the newer style distributor and remote mounted ignition module? If so any tips, advice, or instructions? I know the 96 351W is designed as a roller lifter engine but until I get it out and possibly pull the intake manifold I won't know for sure if it is roller or flat tappets. If it is a roller I understand the distributor gear will be steel instead of cast, can I use the gear from the 96 distributor and install it on my old style 91 distributor? Also I thought this 1996 F250 5.8 (DOM 05/96) would have used a Mass air system but it is still a Speed Density system.
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