MG Sports Cars

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

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Moderator
Curtis Jacobson
Portland Oregon
(4577 posts)

Registered:
10/12/2007 02:16AM

Main British Car:
71 MGBGT, Buick 215

authors avatar
New HIWD: James Spradlin's MGB w/ 3.4L SFI V6
Posted by: Moderator
Date: August 02, 2013 04:47PM

Here's an exciting one: James Spradlin's 1979 MGB with GM 3.4 SFI V6 - examined in 40 photos!

teaser:
http://www.britishv8.org/MG/JamesSpradlin/JamesSpradlin-BC.jpg


rficalora
Rob Ficalora
Willis, TX
(2764 posts)

Registered:
10/24/2007 02:46PM

Main British Car:
'76 MGB w/CB front, Sebring rear, early metal dash Ford 302

authors avatar
Re: New HIWD: James Spradlin's MGB w/ 3.4L SFI V6
Posted by: rficalora
Date: August 03, 2013 05:44PM

Looks like James did a great job & Curtis' write-up is great too!


DocsMG
James Spradlin

(40 posts)

Registered:
04/17/2014 01:34PM

Main British Car:
Re: New HIWD: James Spradlin's MGB w/ 3.4L SFI V6
Posted by: DocsMG
Date: April 17, 2014 01:38PM

Finally decided to register on this site. Getting up to speed on the Colorado Springs meet.

Curtis did an awesome job and he hid alot of 'blemmishes' on my car. lol

I hope I can add to the forum here and glean some info as well. If anyone has any questions about my car and how I did things I am always happy to answer them.

Cheers
James
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avguru
John Hilla

(3 posts)

Registered:
04/18/2014 07:43PM

Main British Car:
Re: New HIWD: James Spradlin's MGB w/ 3.4L SFI V6
Posted by: avguru
Date: April 18, 2014 07:48PM

I saw your conversion and looks good. Iam doing a 1967 sunbeam alpine with same engine and trans, I have few questions if you can help.

Thanks John


lawnvett
PJ Lenihan
Winston-Salem, NC
(477 posts)

Registered:
04/29/2009 11:37AM

Main British Car:
74 MGB-GT 3.4 V-6 crate, 5 spd

Re: New HIWD: James Spradlin's MGB w/ 3.4L SFI V6
Posted by: lawnvett
Date: April 19, 2014 08:55AM

Hope to see this car and have a chance to meet James in July ,


DocsMG
James Spradlin

(40 posts)

Registered:
04/17/2014 01:34PM

Main British Car:
Re: New HIWD: James Spradlin's MGB w/ 3.4L SFI V6
Posted by: DocsMG
Date: April 19, 2014 10:16AM

I'll be there in July. We just live up the road.

Here are some pics of how I modified the fuel tank. I used AN bulkhead fittings from Summit racing and an aftermarket fuel pump Wasbro 455 I think, but I later found a pump from a '89 S10 with 4.3L is cheapest and will work in the tight space. I am still working on a good sealer. RTV and other sealants just don't work, so I am going to try JB weld or an epoxy.
205306_553202314714364_1747877368_n.jpg
This is a late model tank. Careful where you cut due to the baffle.
296514_553202338047695_337788942_n.jpg
Location of bulkhead fittings.
269376_553202324714363_35348041_n.jpg
733914_553202358047693_2117323435_n.jpg
Baffle for the pump. Filter fits inside.


DocsMG
James Spradlin

(40 posts)

Registered:
04/17/2014 01:34PM

Main British Car:
Re: New HIWD: James Spradlin's MGB w/ 3.4L SFI V6
Posted by: DocsMG
Date: April 19, 2014 10:20AM

205409_553202378047691_36378652_n.jpg
Rod welded to baffle and to cover plate. Pump is attached to rod with hose clamp.
598675_553202401381022_417054254_n.jpg
Made an indent for wires to pass. Make sure it is deep enough not to pinch wires.
1486624_722294401138487_1802231020_n.jpg
Changes to coils, wires and air intake since article was written.



MGBV8
Carl Floyd
Kingsport, TN
(4512 posts)

Registered:
10/23/2007 11:32PM

Main British Car:
1979 MGB Buick 215

authors avatar
Re: New HIWD: James Spradlin's MGB w/ 3.4L SFI V6
Posted by: MGBV8
Date: April 19, 2014 10:46AM

Send those changes to Curtis.


DocsMG
James Spradlin

(40 posts)

Registered:
04/17/2014 01:34PM

Main British Car:
Re: New HIWD: James Spradlin's MGB w/ 3.4L SFI V6
Posted by: DocsMG
Date: April 19, 2014 11:09AM

Oh, I am sure there will be more changes to come. Once the paint work is done I will send finished pics to him. I'm nervous of that day tho. What would I do then?!?


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