Triumph Sports Cars

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

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Moderator
Curtis Jacobson
Portland Oregon
(4483 posts)

Registered:
10/12/2007 02:16AM

Main British Car:
71 MGBGT, Buick 215

authors avatar
New to the gallery: Jon Cook's LS1 powered GT6!
Posted by: Moderator
Date: January 08, 2014 01:55AM

It's spectacular!

Get the details here: Jon Cook's 1969 Triumph GT6+ with Pontiac LS1 5.7L V8

http://www.britishv8.org/Triumph/JonCook/JonCook-AA.jpg

http://www.britishv8.org/Triumph/JonCook/JonCook-BB.jpg


74ls1tr6
Calvin Grannis
Elk Grove,CA
(1151 posts)

Registered:
11/10/2007 10:05AM

Main British Car:
74 TR6 / 71 MGB GT TR6/Ls1 71 MGB GT/Ls1

authors avatar
Re: New to the gallery: Jon Cook's LS1 powered GT6!
Posted by: 74ls1tr6
Date: January 08, 2014 07:21AM

I have been waiting to see this build in the gallery. Nice looking GT6 and well done Jon. It must be a blast to drive.Jon was the only one that figured out how to deal with the Reverse Lock out with the T56 trans. The lock out will still function, but resulting in removing that huge solenoid that would stick out. I was able to do the mod to my T56 and it works great. It keeps your trans tunnel small in that area without the solinoid sticking out right where your knee would be.



Edited 1 time(s). Last edit at 01/08/2014 07:30AM by 74ls1tr6.


dwtr6v8
Don Watson
West Virginia
(297 posts)

Registered:
12/07/2007 07:45AM

Main British Car:
1974 TR6 Ford 5.0 HO

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Re: New to the gallery: Jon Cook's LS1 powered GT6!
Posted by: dwtr6v8
Date: January 08, 2014 07:44AM

Congrats! Love the stance, you have some skills Jon and good taste in color.


TR6-6SPD
Ken Hiebert
Toronto Ontario
(249 posts)

Registered:
04/23/2008 11:43AM

Main British Car:
1972 TR6 1994 5.7 L GM LT1

authors avatar
Re: New to the gallery: Jon Cook's LS1 powered GT6!
Posted by: TR6-6SPD
Date: January 08, 2014 09:05AM

Well done Jon. Good to see your car on the road.
Here's a link to Jon's web page that I've been following since 2008:
[www.ls1gt6.com]


mgbreis
Ryan Reis
Beatrice, NE
(203 posts)

Registered:
07/16/2008 11:07AM

Main British Car:


Re: New to the gallery: Jon Cook's LS1 powered GT6!
Posted by: mgbreis
Date: January 08, 2014 03:08PM

Well. That's awesome.

Seriously, the cars I see being built just keep getting better all the time. That car is so clean and simple looking, I've never been a big fan of the Spitfire/GT6, but this car is amazing.



Edited 1 time(s). Last edit at 01/10/2014 10:26AM by mgbreis.


cooks 7
Jon Cook
St. Louis, Mo
(28 posts)

Registered:
03/03/2008 02:05PM

Main British Car:
1969 Triumph Gt6 GM Ls1

Re: New to the gallery: Jon Cook's LS1 powered GT6!
Posted by: cooks 7
Date: January 09, 2014 04:32PM

Thanks everybody for the kind words. It's been a long and interesting build.
It's been fun though and talked with some nice people along the way, several have posted above already :)
If anybody has any questions about the car let me know, I can't wait till spring to get the car out more and have some fun.


DiDueColpi
Fred Key
West coast - Canada
(1267 posts)

Registered:
05/14/2010 03:06AM

Main British Car:
What if the Hokey Pokey really is what it's all about?

authors avatar
Re: New to the gallery: Jon Cook's LS1 powered GT6!
Posted by: DiDueColpi
Date: January 10, 2014 01:09AM

Damn! Another car to add to the bucket list.
Sweet looking ride Jon.
Must go like the clappers!!
I like it a lot.
Any shots of the hood? Mods to clear the engine.
Cheers
Fred



KBStag
keith bohanan

(13 posts)

Registered:
08/31/2011 10:10AM

Main British Car:


Re: New to the gallery: Jon Cook's LS1 powered GT6!
Posted by: KBStag
Date: January 10, 2014 09:25AM

Sweet.
Well done.


cooks 7
Jon Cook
St. Louis, Mo
(28 posts)

Registered:
03/03/2008 02:05PM

Main British Car:
1969 Triumph Gt6 GM Ls1

Re: New to the gallery: Jon Cook's LS1 powered GT6!
Posted by: cooks 7
Date: January 13, 2014 10:18AM

the hood is all stock, the goal of the project was to get the engine in under the bonnet without bonnet mods, had to modify the cross member, frame, steering, etc to get the engine to sit low enough. I have two tiny points of contact with my fuel rails and bonnet under hard acceleration, but there's not much I can do about that at this point.


Jim Stabe
Jim Stabe
San Diego, Ca
(787 posts)

Registered:
02/28/2009 10:01AM

Main British Car:
1966 MGB Roadster 350 LT1 Chevy

authors avatar
Re: New to the gallery: Jon Cook's LS1 powered GT6!
Posted by: Jim Stabe
Date: January 13, 2014 05:02PM

Glad you got it all under the hood - always worth the extra effort. Do you have more pictures somewhere showing more details of the build?


Med72
Art Medrano
Austin, Tx
(50 posts)

Registered:
01/31/2012 09:25PM

Main British Car:
1972 Triumph TR6 GM 350

Re: New to the gallery: Jon Cook's LS1 powered GT6!
Posted by: Med72
Date: January 14, 2014 03:40PM

Jon:

Nice job...... It looks awesome


BWA


(332 posts)

Registered:
04/13/2010 08:13PM

Main British Car:


Re: New to the gallery: Jon Cook's LS1 powered GT6!
Posted by: BWA
Date: January 14, 2014 07:37PM

Jon your car is a fine piece of work!!
I have one question concerning the reinforcement of the frame. Are you finding that the roll cage provides enough rigidity to the GT6 frame to handle all the torque that the engine puts out?

Cheers
Byron


TR6-6SPD
Ken Hiebert
Toronto Ontario
(249 posts)

Registered:
04/23/2008 11:43AM

Main British Car:
1972 TR6 1994 5.7 L GM LT1

authors avatar
Re: New to the gallery: Jon Cook's LS1 powered GT6!
Posted by: TR6-6SPD
Date: January 15, 2014 10:26AM

Jim,
Lots of detail on Jon's website here:
[www.ls1gt6.com]


Jim Stabe
Jim Stabe
San Diego, Ca
(787 posts)

Registered:
02/28/2009 10:01AM

Main British Car:
1966 MGB Roadster 350 LT1 Chevy

authors avatar
Re: New to the gallery: Jon Cook's LS1 powered GT6!
Posted by: Jim Stabe
Date: January 15, 2014 11:00AM

Thanks Ken, that's a really nice car.


Scott68B
Scott Costanzo
Columbus, Ohio
(550 posts)

Registered:
10/25/2007 11:30AM

Main British Car:
1968 MGB GM 5.3 LS4 V8

authors avatar
Re: New to the gallery: Jon Cook's LS1 powered GT6!
Posted by: Scott68B
Date: January 15, 2014 12:36PM

Excellent work Jon!

I really like what you did with the coils on the valve covers. How did you accomplish this?

Regards

Scott



cooks 7
Jon Cook
St. Louis, Mo
(28 posts)

Registered:
03/03/2008 02:05PM

Main British Car:
1969 Triumph Gt6 GM Ls1

Re: New to the gallery: Jon Cook's LS1 powered GT6!
Posted by: cooks 7
Date: January 23, 2014 03:54PM

The valve covers are as cast Holley covers, I had to upgrade to Ls2 style coils to get the spacing right, but the newer style coils are supposed to be better and more reliable than the stock Ls1 style. New coil harnesses to plug the new coils and ARP bolts ($$) to complete the conversion.


toyzforme
Keith Coyle

(13 posts)

Registered:
06/10/2013 02:54PM

Main British Car:


Re: New to the gallery: Jon Cook's LS1 powered GT6!
Posted by: toyzforme
Date: February 15, 2014 09:03PM

WOW Jon that is one awesome looking GT6. My spitfire only had the GT6 suspension parts under it. I would love to find a GT6 body and bolt it onto my frame and do a race car with it. This way I would have a roof and windshield when I race. I don't have that now and when it rains I hate being on the track with it. Keep up the good work


cooks 7
Jon Cook
St. Louis, Mo
(28 posts)

Registered:
03/03/2008 02:05PM

Main British Car:
1969 Triumph Gt6 GM Ls1

Re: New to the gallery: Jon Cook's LS1 powered GT6!
Posted by: cooks 7
Date: May 06, 2014 02:46PM

performance update!
got the car tuned, found out I was running on 5 out of 8 cylinders due to spark plug wires arcing through two sets of boots to my headers, the car is totally different now!
went to the drag strip over the weekend, couldn't get traction in 1st gear and had troubles in 2nd as well, but laid down a couple 12.5 sec passes at 117. I think a set of drag radials would get me close to 11s
had a great time, everyone seems to love the car
track.jpg


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