MG Sports Cars

engine swaps and other performance upgrades, plus "factory" and Costello V8s

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nobogez07
Doug Brown
Webster, South Dakota
(58 posts)

Registered:
12/11/2012 05:38PM

Main British Car:
1971 Mk II MGB coupe 1992 302 Ford H.O. EFI

Direct Fire Ignition & the Ford 5.0 L
Posted by: nobogez07
Date: February 28, 2013 03:16PM

Though I've viewed DFI in a number of other 5.0L swaps I haven't seen one yet on a B swap.

Two primary reasons for entertaining this approach. 1. I don't have to deal with a dizzy the really is in the wrong place. 2. it makes hood clearance less an issue due to routing of the intake.

Has anyone seen any other performance type gains from there use?


classic conversions
bill guzman

(294 posts)

Registered:
01/09/2008 01:58AM

Main British Car:
Re: Direct Fire Ignition & the Ford 5.0 L
Posted by: classic conversions
Date: February 28, 2013 10:15PM

Accurate timing is essential and it does improve performance. I have been toying with the idea of selling the plug with a drive for the oil pump for the Ford 302.


nobogez07
Doug Brown
Webster, South Dakota
(58 posts)

Registered:
12/11/2012 05:38PM

Main British Car:
1971 Mk II MGB coupe 1992 302 Ford H.O. EFI

Re: Direct Fire Ignition & the Ford 5.0 L
Posted by: nobogez07
Date: March 01, 2013 08:08AM

Bill
You are very correct in that there needs to be a distributor driver to operate the oil pump. I have the Electomotive DFI system and would be happy to work with you on it. I had planned to cut a stock Ford distributor (with a steel gear) and locate it in such a way that it would drive the oil pump shaft.

I'm sure exactly if that would work but that was the direction I was going to pursue. PM me to discuss.
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BlownMGB-V8
Jim Blackwood
9406 Gunpowder Rd., Florence, KY 41042
(6469 posts)

Registered:
10/23/2007 12:59PM

Main British Car:
1971 MGB Blown,Injected,Intercooled Buick 340/AA80E/JagIRS

authors avatar
Re: Direct Fire Ignition & the Ford 5.0 L
Posted by: BlownMGB-V8
Date: March 01, 2013 09:20AM

You mean something like this?

MVC-185F.JPG

Jim


nobogez07
Doug Brown
Webster, South Dakota
(58 posts)

Registered:
12/11/2012 05:38PM

Main British Car:
1971 Mk II MGB coupe 1992 302 Ford H.O. EFI

Re: Direct Fire Ignition & the Ford 5.0 L
Posted by: nobogez07
Date: March 01, 2013 10:03AM

Very similar!! that's the part of DFI I wish there were a better answer for!

The long and the short of it is pretty much what you've displayed! I'd be happy to do some testing if you're interested in marketing the idea/


BlownMGB-V8
Jim Blackwood
9406 Gunpowder Rd., Florence, KY 41042
(6469 posts)

Registered:
10/23/2007 12:59PM

Main British Car:
1971 MGB Blown,Injected,Intercooled Buick 340/AA80E/JagIRS

authors avatar
Re: Direct Fire Ignition & the Ford 5.0 L
Posted by: BlownMGB-V8
Date: March 01, 2013 10:17AM

Not really Doug, that is just the drive for my 340. Too many other things on my plate. Feel free to use it. The sensor is a late Ford part.

Jim


nobogez07
Doug Brown
Webster, South Dakota
(58 posts)

Registered:
12/11/2012 05:38PM

Main British Car:
1971 Mk II MGB coupe 1992 302 Ford H.O. EFI

Re: Direct Fire Ignition & the Ford 5.0 L
Posted by: nobogez07
Date: March 02, 2013 09:32AM

Hey Jim

That's a great offer and I'd like to take you up on that but I'd like to offer something to you for your efforts!

If you need some pieces powdercoated any time in the future, let me know and I'll get them done no cost to you!

Thanks again for the offer!!! That really does save me a lot of testing work!

Doug



MGB-FV8
Jacques Mathieu
Alexandria, VA
(299 posts)

Registered:
09/11/2009 08:55PM

Main British Car:
1977 MGB Small Block Ford, 331 Stroker

Re: Direct Fire Ignition & the Ford 5.0 L
Posted by: MGB-FV8
Date: March 02, 2013 09:42PM

Doug, just go to a salvage yard and get the plug you need from a late model (1996-2001) Ford Explorer 5.0 Liter (302). The Explorer improved to the DIS system starting in 1996 and the distributor was replaced with a camshaft sensor via a modified distributor base; it's very short. Just what you need.
[static.summitracing.com]


WernerVC
Werner Van Clapdurp
Lynchburg, Va
(108 posts)

Registered:
09/06/2009 12:56PM

Main British Car:
MGB 1977 Rover 3.5

Re: Direct Fire Ignition & the Ford 5.0 L
Posted by: WernerVC
Date: March 02, 2013 11:12PM

I am working on something similar for my Rover V8 engine. It uses the EDIS ignition system from Ford and a crankshaft toothed wheel with sensor. The dizzy is replaced with a cut off dizzy and an aluminum plug on the top.
Parts are available in the UK.


BlownMGB-V8
Jim Blackwood
9406 Gunpowder Rd., Florence, KY 41042
(6469 posts)

Registered:
10/23/2007 12:59PM

Main British Car:
1971 MGB Blown,Injected,Intercooled Buick 340/AA80E/JagIRS

authors avatar
Re: Direct Fire Ignition & the Ford 5.0 L
Posted by: BlownMGB-V8
Date: March 03, 2013 12:23AM

Yeah, that's what mine is and I found the Ford Cam sensor/cap to top it off. The upgrade to MS-III will require the cam sensor.

Jim

MVC-184F.JPG


MGB-FV8
Jacques Mathieu
Alexandria, VA
(299 posts)

Registered:
09/11/2009 08:55PM

Main British Car:
1977 MGB Small Block Ford, 331 Stroker

Re: Direct Fire Ignition & the Ford 5.0 L
Posted by: MGB-FV8
Date: March 03, 2013 12:39AM

Jim, what application is yours? It looks like a GM fit as it doesn't have the extension for the oil pump drive shaft a Ford requires like in the photo I've posted a link on.[static.summitracing.com]
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BlownMGB-V8
Jim Blackwood
9406 Gunpowder Rd., Florence, KY 41042
(6469 posts)

Registered:
10/23/2007 12:59PM

Main British Car:
1971 MGB Blown,Injected,Intercooled Buick 340/AA80E/JagIRS

authors avatar
Re: Direct Fire Ignition & the Ford 5.0 L
Posted by: BlownMGB-V8
Date: March 03, 2013 12:53AM

BOPR/SBB
(340 actually, could be BBB with a different gear.)
If you notice, it has two blades, one steel and one brass for balanced loading on the thrust washer below and balanced weight.

Jim


MGB-FV8
Jacques Mathieu
Alexandria, VA
(299 posts)

Registered:
09/11/2009 08:55PM

Main British Car:
1977 MGB Small Block Ford, 331 Stroker

Re: Direct Fire Ignition & the Ford 5.0 L
Posted by: MGB-FV8
Date: March 03, 2013 01:00AM

I can't help but ask; did you machine this? That looks like a fine engineered piece.....


BlownMGB-V8
Jim Blackwood
9406 Gunpowder Rd., Florence, KY 41042
(6469 posts)

Registered:
10/23/2007 12:59PM

Main British Car:
1971 MGB Blown,Injected,Intercooled Buick 340/AA80E/JagIRS

authors avatar
Re: Direct Fire Ignition & the Ford 5.0 L
Posted by: BlownMGB-V8
Date: March 03, 2013 01:10AM

Thank You Jacques, and of course you are correct. I doubt anyone sells these.

Jim


mgbreis
Ryan Reis
Beatrice, NE
(203 posts)

Registered:
07/16/2008 11:07AM

Main British Car:
Re: Direct Fire Ignition & the Ford 5.0 L
Posted by: mgbreis
Date: March 04, 2013 09:30AM

Doug, I'm curious what intake you're planning on using?



burner1
Gary W

(212 posts)

Registered:
09/24/2011 09:59AM

Main British Car:
Re: Direct Fire Ignition & the Ford 5.0 L
Posted by: burner1
Date: March 04, 2013 11:05AM

I use the XDI on my 400. I cut down a distributor and made a cap to drive the oil pump. My brother uses them on his GMC V12's and other engines including a Continental 1790ci tnk engine. We just laser cut a toothed wheel for the front. Easyt o set up.


[www.electromotive-inc.com]


http://www.rc-tech.net/cars2/panttransam/cc.jpg


nobogez07
Doug Brown
Webster, South Dakota
(58 posts)

Registered:
12/11/2012 05:38PM

Main British Car:
1971 Mk II MGB coupe 1992 302 Ford H.O. EFI

Re: Direct Fire Ignition & the Ford 5.0 L
Posted by: nobogez07
Date: March 09, 2013 10:17AM

Ryan

I'm using the Edelbrock Performer in conjunction with Edelbrock's Pro Flo 2 injection system.


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