Triumph Sports Cars

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

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BlownMGB-V8
Jim Blackwood
9406 Gunpowder Rd., Florence, KY 41042
(5919 posts)

Registered:
10/23/2007 12:59PM

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

authors avatar
Crank trigger for TR4 I-4
Posted by: BlownMGB-V8
Date: June 03, 2016 03:17PM

Here are photos of a crank trigger setup for the stock TR4 engine:
IMG_0001.JPG
The finished assembly, complete and ready to install.

IMG_0005.JPG
The stock pulley half after welding on a slice of tubing to make the trigger wheel flange.

IMG_0004.JPG

This will go on Dan B's port injected engine, and will run an EDIS ignition in conjunction with his MS-II engine controller.

Jim


Dan B
Dan Blackwood
South Charleston, WV
(973 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: Crank trigger for TR4 I-4
Posted by: Dan B
Date: June 03, 2016 05:43PM

That is awesome!


DiDueColpi
Fred Key
West coast - Canada
(1259 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: Crank trigger for TR4 I-4
Posted by: DiDueColpi
Date: June 03, 2016 09:20PM

Every time that I think I've seen it all.........along comes Jim.
I think that's even an old song! "long lean lanky Jim" by the coasters?
Anyway nicely done once again Jim.

Live like you mean it.
Fred

Edit; actually it's Jones, but I think Jim fits better :-)



Edited 1 time(s). Last edit at 06/03/2016 09:23PM by DiDueColpi.


Dan B
Dan Blackwood
South Charleston, WV
(973 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: Crank trigger for TR4 I-4
Posted by: Dan B
Date: June 03, 2016 10:48PM

You don't mess around with Jim!


BlownMGB-V8
Jim Blackwood
9406 Gunpowder Rd., Florence, KY 41042
(5919 posts)

Registered:
10/23/2007 12:59PM

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

authors avatar
Re: Crank trigger for TR4 I-4
Posted by: BlownMGB-V8
Date: June 04, 2016 10:24AM

Not quite so lean these days...


tbo
Tim Body
St Thomas Ontario
(220 posts)

Registered:
01/27/2013 06:47PM

Main British Car:
1954 Triumph TR2 stock 2 litre

Re: Crank trigger for TR4 I-4
Posted by: tbo
Date: June 04, 2016 06:43PM

I hate to get to the party late but what do you use this for??


Dan B
Dan Blackwood
South Charleston, WV
(973 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: Crank trigger for TR4 I-4
Posted by: Dan B
Date: June 05, 2016 08:35PM

Tim, this is going to be installed on my TR4A, which has the stock engine but a multi-port electronic fuel injection setup controlled by Megasquirt. This was installed by Jim and me at his place a few years ago, and there is a thread on here somewhere that follows that process. Last year I went through about 3 stock coils which fried something in the Megaquirt and resulted in losing the main processor card. Given the success and reliability of the wasted spark setup, it just happened that we had most of the spare parts laying around that we need to upgrade the ignition, so Jim took my spare front pulley, timing cover and the pickup back to his shop after his last visit here, and above in this thread you see the result. Pretty cool, huh?



tbo
Tim Body
St Thomas Ontario
(220 posts)

Registered:
01/27/2013 06:47PM

Main British Car:
1954 Triumph TR2 stock 2 litre

Re: Crank trigger for TR4 I-4
Posted by: tbo
Date: June 05, 2016 10:17PM

Dan . I would say yes it is cool but first I will find the other thread and read up on it. I assume the trigger makes the Mega Squirt squirt ant the right time. Nice work Jim as usual.


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