MG Sports Cars

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

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glassman
Connal Berry
Dayton, Nevada
(2 posts)

Registered:
02/18/2009 08:09PM

Main British Car:
1970 MGB GT

Late Jag engine in BGT
Posted by: glassman
Date: December 03, 2009 10:01PM

Has anyone considered using a late model XK8 or XJ8 V8 in a BGT? Why or why not? They seem small but powerful and look like they would fit.Jaguar seems to be able to make them work well in their large cars.Is there an aftermarket for performance goodies?I'm still leaning toward the small block Ford, T-5, and Jag rearend.Thanks for any and all info and opinions.Connal.


mindseye
John Csuhany
Edmonton, Alberta, Canada
(76 posts)

Registered:
11/18/2009 11:40AM

Main British Car:
1980 MGB 1962 Buick 215 cu. in.

authors avatar
Re: Late Jag engine in BGT
Posted by: mindseye
Date: December 03, 2009 11:41PM

nevr heard of anyone using a jag....might be lots of mods...the fords are good but need mods to crossmember, mounts etc....the rovers pop right in like the one in my pics....easy to find...D&D fabricators actually sells complete turnkey rover V8,s for the mg


BlownMGB-V8
Jim Blackwood
9406 Gunpowder Rd., Florence, KY 41042
(6470 posts)

Registered:
10/23/2007 12:59PM

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

authors avatar
Re: Late Jag engine in BGT
Posted by: BlownMGB-V8
Date: December 04, 2009 09:03AM

Dan B wanted to look at it for his TR7 but since I'll be helping him with it I suggested he stick with the BOPR. Looks like a real good engine, other than the early nikasil cylinders and the cam chain stretch problems. Fairly serious electronics of course. The headers would be a good bit of work. But if you can pull all that off I think it'd make for an exceptional car.

Jim


427ZA
Ian Metcalf
Milton Keynes, UK
(36 posts)

Registered:
08/15/2009 12:57PM

Main British Car:
1955 MG Magnette 427ci Chevy

authors avatar
Re: Late Jag engine in BGT
Posted by: 427ZA
Date: December 06, 2009 02:36AM

I suspect it's the wiring side of things,as well as the massive costs involved, that puts people off of using more modern engines.

Once you've got around the mechanical issues with the installation you then have multiple ecu's to deal with for controlling the igniton (multi coil packs etc), the fuel injection system, the huge number of sensors needed to control it all and then it all has to be integrated into the B's systems. It will probably cost you more for the ecu's and the wiring than buying and fitting the engine.

This is a sad sign of the future of our hobby as modern donor vehicles become more and more complicated putting them technologically out of reach of us mere mortals.


BlownMGB-V8
Jim Blackwood
9406 Gunpowder Rd., Florence, KY 41042
(6470 posts)

Registered:
10/23/2007 12:59PM

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

authors avatar
Re: Late Jag engine in BGT
Posted by: BlownMGB-V8
Date: December 06, 2009 10:37AM

I'm guessing there's probably an all-in-one controller either available or in the works. Megasquirt very likely could do it. But in addition to the ign and efi there's vvt and vvl and some of these engines also have variable induction. Iirc the Jag V8 has the vvt and is switchable between two cam profiles for lift. That would mean one output for vvl and probably two for vvt (one for intake and one for exhaust). If one MS can't handle it you could daisy chain a second one to do the job.

Jim


Dan B
Dan Blackwood
South Charleston, WV
(1007 posts)

Registered:
11/06/2007 01:55PM

Main British Car:
1966 TR4A, 1980 TR7 Multiport EFI MegaSquirt on the TR4A. Lexus V8 pl

authors avatar
Re: Late Jag engine in BGT
Posted by: Dan B
Date: December 07, 2009 11:21AM

One other thing I discovered when looking at this engine. It is also used in the Lincoln LS, and you can get one of those a lot cheaper than a Jag engine, FWIW.


pcmenten
Paul Menten

(242 posts)

Registered:
10/08/2009 10:40AM

Main British Car:


Re: Late Jag engine in BGT
Posted by: pcmenten
Date: December 10, 2009 04:38PM

I was impressed with the output of these engines combined with the economy. Very refined engines. AFAIC, it would be on the short list if I had more to spend on the project.



Mr. T
Tony Andrews
Kent Island, Maryland
(153 posts)

Registered:
10/23/2007 03:59PM

Main British Car:
'75 mgb, '74 grille, morspeed bumpers Rover 3.9

authors avatar
Re: Late Jag engine in BGT
Posted by: Mr. T
Date: December 10, 2009 06:52PM

"This is a sad sign of the future of our hobby as modern donor vehicles become more and more complicated putting them technologically out of reach of us mere mortals." - like some of my favorites - Nissan 3.5 V6, VW W5 or 1.8t, and doesn't get any better (imho) than the BMW "M" 6.

John - I never get bored of seeing your posts; quite the opposite actually /


NAP73B
Norm Peacey
Woodlawn, Ontario, Canada (Near Ottawa)
(4 posts)

Registered:
06/01/2009 11:29AM

Main British Car:
1973 MGB Touring Camaro 3.1 V6

Re: Late Jag engine in BGT
Posted by: NAP73B
Date: January 07, 2010 07:42PM

Have not seen that, but I have a friend who has a TD with an early Jag 6. Looks like it belongs and I imagine it goes like stink.
He does not drive that way.
Norm P


MGBV8
Carl Floyd
Kingsport, TN
(4514 posts)

Registered:
10/23/2007 11:32PM

Main British Car:
1979 MGB Buick 215

authors avatar
Re: Late Jag engine in BGT
Posted by: MGBV8
Date: January 07, 2010 08:04PM

Got any pics?

I'm having a hard time imagining it looking like it belongs. Not a lot of room for a straight 6.


dwhatty
David Hawkins
Deer Isle, ME
(2 posts)

Registered:
04/17/2008 08:44AM

Main British Car:
'67/'72 Roadster Buick 215

Re: Late Jag engine in BGT
Posted by: dwhatty
Date: January 09, 2010 11:32AM

sprite6cyl.jpg


dwhatty
David Hawkins
Deer Isle, ME
(2 posts)

Registered:
04/17/2008 08:44AM

Main British Car:
'67/'72 Roadster Buick 215

Re: Late Jag engine in BGT
Posted by: dwhatty
Date: January 09, 2010 11:35AM

sprite6cyl3.jpg


tr6turbo
Dale Knapke
Sidney, Ohio
(169 posts)

Registered:
08/24/2008 09:44PM

Main British Car:
1972 Triumph TR6 Ford 2300, 4 Cyl Turbo

Re: Late Jag engine in BGT
Posted by: tr6turbo
Date: January 10, 2010 09:44AM

Does anyone know how much the early Jag 6 weighs compared to an AL buick V8. Seems to me that it is a lot.


MGBV8
Carl Floyd
Kingsport, TN
(4514 posts)

Registered:
10/23/2007 11:32PM

Main British Car:
1979 MGB Buick 215

authors avatar
Re: Late Jag engine in BGT
Posted by: MGBV8
Date: January 10, 2010 10:28AM

Cool pics. I just can't see that fitting in a T-Series.


Bill Young
Bill Young
Kansas City, MO
(1337 posts)

Registered:
10/23/2007 09:23AM

Main British Car:
'73 MG Midget V6 , '59 MGA I6 2.8 GM, 4.0 Jeep

authors avatar
Re: Late Jag engine in BGT
Posted by: Bill Young
Date: January 11, 2010 08:22AM

IIRC the early Jag inline 6 comes in at around 600+ pounds, a real hunk. If you notch the firewall there is really a lot of length in the T series hood, almost half of it covers the foot wells, so if the engine is narrow there's more room that it would seem and still have room for the driver's feet and controls. I'd love to see photos of that swap though.



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