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| | | 84 ford econoline straight 6 to 351 swap,anyone done this here? ?? | Joined: Oct 2011 Posts: 15 stranger | OP stranger Joined: Oct 2011 Posts: 15 | was wondering if anyone here has made the above said swap,i'm not a ford guy by any means but i have a 351 out of a 79 e250 van(have absolutely everything right down to the wiring harness).i know this will all bolt in just fine but i'm wondering bout the wiring...are both harnesses identical?will i have to swap out the whole harness or can i just splice the underhood harness to the 84 harness?just feelin this out at this point so any input would be appreciated.thanx fellow vanners! | | | Re: 84 ford econoline straight 6 to 351 swap,anyone done this here? ?? | Joined: May 2007 Posts: 9,854 Likes: 8 Festerus Vannimus | Festerus Vannimus Joined: May 2007 Posts: 9,854 Likes: 8 | 84, that is carbed, right? I think the harnesses would be close if not the same, maybe lengthen or shorten a wire here or there to reach, other than that, same same. . . . .hope someone who knows better than me chimes in.
My van : 1989 Ford E-150 Econoline, currently named “WOLF-DEN IIâ€
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| | | Re: 84 ford econoline straight 6 to 351 swap,anyone done this here? ?? | Joined: Aug 2001 Posts: 12,107 Likes: 37 Maniac | Maniac Joined: Aug 2001 Posts: 12,107 Likes: 37 | I would first try and keep the 84 wiring harness. Like Fester, I think much will be the same.
However, I would strongly recommend you keep the 300. 351s are VERY thirsty, and a 300 can give fine performance in a daily driver van AND good fuel economy. I say sell the 351 and put the money and effort into freshening up the 300 and upgrading it a bit.
Windows- they're what make a van worth owning! | | | Re: 84 ford econoline straight 6 to 351 swap,anyone done this here? ?? | Joined: Apr 2012 Posts: 753 old hand | old hand Joined: Apr 2012 Posts: 753 | I agree. Keep the 300. Clifford intake, carb, and header will wake the engine up and make you forget all about that V8. If you really want to have some fun, hang a turbocharger off that inline and go V8 hunting.
When Chris Farley talked about living in a van down by the river, did anybody else think that wasn't such a bad idea?
| | | Re: 84 ford econoline straight 6 to 351 swap,anyone done this here? ?? | Joined: Aug 2001 Posts: 12,107 Likes: 37 Maniac | Maniac Joined: Aug 2001 Posts: 12,107 Likes: 37 | Grab a set of the factory dual exhaust manifolds off of a late 80s/early 90s fuel injected motor. In fact, a great upgrade would be to convert your 300 to fuel injection. It can be done with factory bolt on parts and give great increases in performance and economy.
Windows- they're what make a van worth owning! | | | Re: 84 ford econoline straight 6 to 351 swap,anyone done this here? ?? | Joined: Jun 2003 Posts: 12,898 Vanner | Vanner Joined: Jun 2003 Posts: 12,898 | Its pretty well a straight swap, if you kept all the mounts... I dropped a 351 Cleveland in my 66, and had to do a little bit of imaginative metal work to the engine box and seats..
Hope you kept the front coils, as the 351 had a bit of a weight game over the six...heavier shocks as well, and a three core rad with flex fan to handle the extra heat
I don't need to be honoured by Vanning, I am honoured to be Vanning ! Supporting Vanning, by going Vanning In A Van ! I hate it, when real life interferes with Vanning ! Van Clan Plus One, Vanning since 1977 ! Ontario Federation Of Truckers (Vanner's) Ottawa Valley Vans I.B.O.B. Founder,Mixed Bag Truckers | | | Re: 84 ford econoline straight 6 to 351 swap,anyone done this here? ?? | Joined: Aug 2001 Posts: 12,107 Likes: 37 Maniac | Maniac Joined: Aug 2001 Posts: 12,107 Likes: 37 | All good points Doc. Swapping an 8 in place of a six requires more than just a motor. But don't use a flex fan. Get a correct factory clutch fan that won't explode at high RPM.
Windows- they're what make a van worth owning! | | | Re: 84 ford econoline straight 6 to 351 swap,anyone done this here? ?? | Joined: Aug 2008 Posts: 18,213 Likes: 2 Supreme Master | Supreme Master Joined: Aug 2008 Posts: 18,213 Likes: 2 |
Everyday above ground is a Good Day!!! Never Stop Vannin'
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Owner & Creator of Wizard's Van-In Videos Member of Riding High Truckers from 1982 to 1996 2nd Member of The Toopa Sinner Tribe Member of Free Bird Vanners 1996 to Present Member of Cape Atlantic Truckers South Jersey Host Club of Freeze Out Certified Nats Judge Member of Shenandoah Valley Vans | | | Re: 84 ford econoline straight 6 to 351 swap,anyone done this here? ?? | Joined: Apr 2012 Posts: 753 old hand | old hand Joined: Apr 2012 Posts: 753 | Just remember spark plugs are no fun to get to on a 351 in a van. Even the 302's aren't a lot of fun, trust me.
When Chris Farley talked about living in a van down by the river, did anybody else think that wasn't such a bad idea?
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