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explorev

Hello All

Thank you for letting me join. I am in the process of trying to get a 1985 F250 back on the road that has been siting for nearly 20 years. It originally had a 6.9 diesel with a 4 speed that were removed long ago. I have a 460 and a C6 to go in their place. Being a part of a forum like this could be useful as I go through this process. Thanks again for letting me join.

ArdWrknTrk

Re: Hello All

Administrator

Welcome!
Glad you've joined.

20 years is a long time.
Be on the look out for a new (automatic) steering column and instrument cluster with shift indicator.

Jim,
Lil'Red is a '87 F250 HD, 4.10's, 1356 4x4, Zf-5, 3G, PMGR, Saginaw PS, desmogged with a Holley 80508 and Performer intake.
Too much other stuff to mention.

Gary Lewis

Re: Hello All

Administrator

In reply to this post by explorev

Yes, welcome! Glad you joined.

I'm sure you know but you'll need the 460 perches to replace the ones for the IDI. And I don't think the IDI's crossmember is notched for the oil filter, so you'll need to add a remote oil filter.

Anyway, where's home? I ask because we have a map (Bullnose Forum/Member's Map in the menu) and can add you with a city/state or zip.

Gary, AKA "Gary fellow": Profile

Dad's: '81 F150 Ranger XLT 4x4: Down for restomod: Full-roller "stroked 351M" w/Trick Flow heads & intake, EEC-V SEFI/E4OD/3.50 gears w/Kevlar clutches
Blue: 2015 F150 Platinum 4x4 SuperCrew wearing Blue Jeans & sporting a 3.5L EB & Max Tow
Big Blue: 1985 F250HD 4x4: 460/ZF5/3.55's, D60 w/Ox locker & 10.25 Sterling/Trutrac, Blue Top & Borgeson, & EEC-V MAF/SEFI

ArdWrknTrk

Re: Hello All

Administrator

The IDI crossmember is dented to fit the 460 oil filter adapter.

The deepest issue is that the diesel has an entirely different wiring harness, with no provision for ignition.
This is one of those rare instances where I would advocate an HEI.

Jim,
Lil'Red is a '87 F250 HD, 4.10's, 1356 4x4, Zf-5, 3G, PMGR, Saginaw PS, desmogged with a Holley 80508 and Performer intake.
Too much other stuff to mention.

Gary Lewis

Re: Hello All

Administrator

Good! Glad to know the IDI's crossmember is dented. That makes it easier.

As for the wiring, the harness doesn't have the connectors for the DS-II module? If that's the case, and I can see that it would be as there are also other electrical differences like the glow plugs, then I'd agree on the HEI suggestion. Much easier than trying to graft in the Ford ignition.

Gary, AKA "Gary fellow": Profile

ArdWrknTrk

Re: Hello All

Administrator

This post was updated on .

Look in the EVTM.
Both 'charge & power distribution' and 'start & ignition/glow plugs' have entirely different chapters for gas or diesel....

Hopefully his 460 has a mechanical fuel pump.
Again, the diesel fuel delivery is completely different.

Edit in page links from the 1985 EVTM:

https://www.garysgaragemahal.com/charge--power-distribution-gas.html

https://www.garysgaragemahal.com/charge--power-distribution-diesel.html

https://www.garysgaragemahal.com/start--ignition-gasoline-engines.html

https://www.garysgaragemahal.com/start--glow-plug-controlrun-diesel.html

https://www.garysgaragemahal.com/fuel-tank-selector--gauges-gas.html

https://www.garysgaragemahal.com/electric-fuel-pump-control1.html

https://www.garysgaragemahal.com/fuel-tank-selector--gauges-diesel.html

Jim,
Lil'Red is a '87 F250 HD, 4.10's, 1356 4x4, Zf-5, 3G, PMGR, Saginaw PS, desmogged with a Holley 80508 and Performer intake.
Too much other stuff to mention.

grumpin

Re: Hello All

In reply to this post by explorev

Welcome!

Dane
1986 F250HD SC XLT Lariat 4x4 460 C6-Sold
1992 Bronco XLT 4x4 351W E4OD
1998 GMC Sierra SLE K1500 350 4L60E
Arizona

ArdWrknTrk

Re: Hello All

Administrator

This post was updated on .

Also, if there is any of the diesel harness left you should be using a PMGR starter on the 460 since the diesels are are already wired for one.

You will want to connect the NSS of the C6 into the starter trigger circuit. (manuals are jumpered under the dash)

I see it would be simple to repurpose the glow plug relay to power an HEI.

It's challenging for me to trace this all out on my phone, and a lot will depend on what's left of the diesel harnesses.

Jim,
Lil'Red is a '87 F250 HD, 4.10's, 1356 4x4, Zf-5, 3G, PMGR, Saginaw PS, desmogged with a Holley 80508 and Performer intake.
Too much other stuff to mention.