Triumph Sports Cars

engine swaps and other performance upgrades, plus "factory" V8s (Stag and TR8)

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restorem
Bob Knapik

(9 posts)

Registered:
09/23/2010 06:20PM

Main British Car:


Stag Engines
Posted by: restorem
Date: September 23, 2010 08:07PM

I am restoring a 73 Stag with no engine. Looking for direction for easiest conversion. Looking at Ford 302? See my intro in new members. Thanks.
_DSC0085.jpg


MGBV8
Carl Floyd
Kingsport, TN
(4511 posts)

Registered:
10/23/2007 11:32PM

Main British Car:
1979 MGB Buick 215

authors avatar
Re: Stag Engines
Posted by: MGBV8
Date: September 23, 2010 09:15PM

Stags usually get Rover transplants. Looks like there is plenty of room in there for a Ford 302 or even a Chevy LS engine, if not interested in the Rover 3.5/3.9/4.6 variants. Will it have a manual or automatic tranny?


alana
alan atkinson
10567
(232 posts)

Registered:
06/19/2008 08:06PM

Main British Car:
68 TR250 LS2

authors avatar
Re: Stag Engines
Posted by: alana
Date: September 23, 2010 09:17PM

Rover v8 is fairly common.
v6s too.


alana
alan atkinson
10567
(232 posts)

Registered:
06/19/2008 08:06PM

Main British Car:
68 TR250 LS2

authors avatar
Re: Stag Engines
Posted by: alana
Date: September 23, 2010 09:30PM

[losangeles.craigslist.org]

This might give you ideas.


MGBV8
Carl Floyd
Kingsport, TN
(4511 posts)

Registered:
10/23/2007 11:32PM

Main British Car:
1979 MGB Buick 215

authors avatar
Re: Stag Engines
Posted by: MGBV8
Date: September 23, 2010 09:36PM

More ideas:

[www.britishv8.org]


restorem
Bob Knapik

(9 posts)

Registered:
09/23/2010 06:20PM

Main British Car:


Re: Stag Engines
Posted by: restorem
Date: September 24, 2010 08:02PM

Thanks, Alan for the craigslist link. Anyone else drop a Chevy 350 in a Stag?


BlownMGB-V8
Jim Blackwood
9406 Gunpowder Rd., Florence, KY 41042
(6468 posts)

Registered:
10/23/2007 12:59PM

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

authors avatar
Re: Stag Engines
Posted by: BlownMGB-V8
Date: September 24, 2010 10:56PM

It's a pretty heavy engine. What is your budget? LS perhaps?

JB



restorem
Bob Knapik

(9 posts)

Registered:
09/23/2010 06:20PM

Main British Car:


Re: Stag Engines
Posted by: restorem
Date: September 25, 2010 02:12PM

Thanks, BlownMGB-V8
I am restoring this car for a family friend who is a collector. Budget is always a concideration but not an issue. We're mostly looking for easiest drop in and maintenance, this car may end up belonging to his son.
Thanks


alana
alan atkinson
10567
(232 posts)

Registered:
06/19/2008 08:06PM

Main British Car:
68 TR250 LS2

authors avatar
Re: Stag Engines
Posted by: alana
Date: September 25, 2010 04:43PM

LS is probably a better option.
It's lighter. It's the same size as a BOPR engine - which does fit - and parts are plentiful.


restorem
Bob Knapik

(9 posts)

Registered:
09/23/2010 06:20PM

Main British Car:


Re: Stag Engines
Posted by: restorem
Date: September 25, 2010 06:25PM

Alana, Thanks for the reply. I'm kinda new at this, what is LS or BOPR.
Thanks
Bbo


alana
alan atkinson
10567
(232 posts)

Registered:
06/19/2008 08:06PM

Main British Car:
68 TR250 LS2

authors avatar
Re: Stag Engines
Posted by: alana
Date: September 25, 2010 07:54PM

LSx are the LS series of engines. The first one (Hence LS-1) came in the C5 Vette and Camaro SS (plus some others).
BOPR is Buick/Oldsmobile/Pontiac/Rover. Its shorthand for all the iterations of the 215 engine that pretty much every British v8 that isn't the Stag has been made from.

[en.wikipedia.org]

[en.wikipedia.org]


BlownMGB-V8
Jim Blackwood
9406 Gunpowder Rd., Florence, KY 41042
(6468 posts)

Registered:
10/23/2007 12:59PM

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

authors avatar
Re: Stag Engines
Posted by: BlownMGB-V8
Date: September 26, 2010 10:18AM

I'd go with the Rover if you want to stay British, and use one of the newer fuel injected engines for driveability and such, or with the LS series for better power and economy and perhaps longevity. The Rover swap is likely to be the easiest just because that is the most common swap for the Stag so the parts should be available. The LS will have the most wow factor.

JB


restorem
Bob Knapik

(9 posts)

Registered:
09/23/2010 06:20PM

Main British Car:


Re: Stag Engines
Posted by: restorem
Date: September 26, 2010 05:39PM

Thanks, Blown MGB-V8 and Alana
Jim, when you mention the Rover Swap are you talking about the BOPR 215 engine? Which engine will offer the more space after installation LS or BOPR?
Thanks.


alana
alan atkinson
10567
(232 posts)

Registered:
06/19/2008 08:06PM

Main British Car:
68 TR250 LS2

authors avatar
Re: Stag Engines
Posted by: alana
Date: September 26, 2010 06:17PM

They are the same size to within 1/4 of an inch.


alana
alan atkinson
10567
(232 posts)

Registered:
06/19/2008 08:06PM

Main British Car:
68 TR250 LS2

authors avatar
Re: Stag Engines
Posted by: alana
Date: September 26, 2010 06:23PM

[paceperformance.com]
[www.v8register.net]

The second one is in mm - translates to roughly 30.5w 33.75l 28.25h

In other words they are very close...



BlownMGB-V8
Jim Blackwood
9406 Gunpowder Rd., Florence, KY 41042
(6468 posts)

Registered:
10/23/2007 12:59PM

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

authors avatar
Re: Stag Engines
Posted by: BlownMGB-V8
Date: September 27, 2010 09:22AM

Rover=BOPR.
In fitment the difference is that the parts are available for the BOPR. For the LS you have to make things like engine mounts and headers. Also pay attention to coolant lines, etc.

JB


restorem
Bob Knapik

(9 posts)

Registered:
09/23/2010 06:20PM

Main British Car:


Re: Stag Engines
Posted by: restorem
Date: September 27, 2010 11:22AM

Thanks, Jim and Alan

I am going to see the owner of this "light at the end of the tunnel" and discuss all of this with him.

How do you find the parts for putting a BPOE in a
stag?
Thanks


Sparrow010
Andrew Gaskin
New Zealand
(25 posts)

Registered:
06/06/2009 08:04PM

Main British Car:
1974 Triumph Stag Toyota 1 - UZ - FE Quad cam 4.0

authors avatar
Re: Stag Engines
Posted by: Sparrow010
Date: October 01, 2010 07:27AM

How bout a toyota 1-UZ FE ? It Does fit.
stag 1-uzfe_DSC_0894.jpg


Moderator
Curtis Jacobson
Portland Oregon
(4576 posts)

Registered:
10/12/2007 02:16AM

Main British Car:
71 MGBGT, Buick 215

authors avatar
Re: Stag Engines
Posted by: Moderator
Date: October 01, 2010 12:39PM

"How do you find the parts for putting a BPOR in a Stag?"

One good place to start is this message board's classified section. A number of Stag specific parts are listed and shown in this recent ad: [forum.britishv8.org] - check out those sexy Stag-specific stainless steel headers!

You can also post "wanted" ads in the classified section.


StagByTriumph
Glenn Merrell
Colorado
(37 posts)

Registered:
10/25/2007 12:11PM

Main British Car:
1973 Stag Rover SD1 3.5 w/ 3.9 EFI

authors avatar
Re: Stag Engines
Posted by: StagByTriumph
Date: October 09, 2010 07:48PM

Andy,
That conversion is absolutely gorgeous!

Now where did you get those camber adjustment brackets?

Glenn
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