Triumph Sports Cars

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

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TR4AIRS
Kristof Van Pachterbeke
Belgium
(45 posts)

Registered:
12/27/2010 05:58AM

Main British Car:
1966 Triumph TR4A IRS Honda S2000 F20C

authors avatar
Re: VTEC powered Triumph TR4A IRS
Posted by: TR4AIRS
Date: May 28, 2012 02:28PM

Rear brakes: Racetorations competion brake shoes and lightweight alloy drums.

Despite the horsepower, I have decided not to fit rear disc brakes. I believe that, when kept in good working order, drum brakes in the rear are more than adequate considering that they only provide a small part of the total braking power.

http://img18.imageshack.us/img18/3163/img9051tk.jpg
http://img515.imageshack.us/img515/5995/img9052t.jpg
http://img24.imageshack.us/img24/3529/img9053tq.jpg


TR4AIRS
Kristof Van Pachterbeke
Belgium
(45 posts)

Registered:
12/27/2010 05:58AM

Main British Car:
1966 Triumph TR4A IRS Honda S2000 F20C

authors avatar
Re: VTEC powered Triumph TR4A IRS
Posted by: TR4AIRS
Date: May 28, 2012 02:36PM

Rolling chassis...

The front is resting on wooden blocks instead of the springs. This is the ride height that I am aiming for.

http://img600.imageshack.us/img600/7571/img9054s.jpg
http://img189.imageshack.us/img189/4417/img9055l.jpg
http://img20.imageshack.us/img20/9687/img9056n.jpg
http://img24.imageshack.us/img24/1816/img9057o.jpg
http://img6.imageshack.us/img6/170/img9058g.jpg
http://img535.imageshack.us/img535/4926/img9059v.jpg


motek
George Smathers
Spokane, WA
(118 posts)

Registered:
09/12/2009 02:45PM

Main British Car:
1967 Morris Minor (48 hp @ crank!), 1971 TR6 302

Re: VTEC powered Triumph TR4A IRS
Posted by: motek
Date: May 31, 2012 07:11PM

Thanks for showing how to do the inserts.

George



Edited 1 time(s). Last edit at 05/31/2012 07:13PM by motek.


TR4AIRS
Kristof Van Pachterbeke
Belgium
(45 posts)

Registered:
12/27/2010 05:58AM

Main British Car:
1966 Triumph TR4A IRS Honda S2000 F20C

authors avatar
Re: VTEC powered Triumph TR4A IRS
Posted by: TR4AIRS
Date: June 01, 2012 02:03PM

No problem. I followed the how-to on this website. It is more elaborate than mine.

[tr6.danielsonfamily.org]

The kit comes from this website.

www.pattonmachine.com

Regards,
Kristof.


richiea
Richie A
Canada
(4 posts)

Registered:
05/28/2012 09:25AM

Main British Car:
65 TR4A

Re: VTEC powered Triumph TR4A IRS
Posted by: richiea
Date: June 05, 2012 06:47AM

I'm curious what the plan is for the dash/gauges?


TR4AIRS
Kristof Van Pachterbeke
Belgium
(45 posts)

Registered:
12/27/2010 05:58AM

Main British Car:
1966 Triumph TR4A IRS Honda S2000 F20C

authors avatar
Re: VTEC powered Triumph TR4A IRS
Posted by: TR4AIRS
Date: June 05, 2012 04:48PM

@ Richie A: The dashboard is not a project for the very near future, but I do have a few parts in mind already. My personal preference goes to Stack gauges, tachometer and speedometer. I still haven't decided upon the style of the interior/dashboard: race car or daily driver.

Next is the engine install, brake lines and differential overhaul.

Regards,
Kristof.


richiea
Richie A
Canada
(4 posts)

Registered:
05/28/2012 09:25AM

Main British Car:
65 TR4A

Re: VTEC powered Triumph TR4A IRS
Posted by: richiea
Date: June 06, 2012 09:47PM

Sorry to monopolize on this thread but I am looking forward to seeing how the shifter lines up with the stock interior. As you had already fitted the drivetrain in the chassis do you know how well it fits vs stock?



TR4AIRS
Kristof Van Pachterbeke
Belgium
(45 posts)

Registered:
12/27/2010 05:58AM

Main British Car:
1966 Triumph TR4A IRS Honda S2000 F20C

authors avatar
Re: VTEC powered Triumph TR4A IRS
Posted by: TR4AIRS
Date: June 07, 2012 02:00AM

The shifter will be located a few incher further back than the original one, but since the interior won't be original either, I will correct this partially with the location of the seats, steering and pedals. The shifter itself will also be modified to locate the gear knob more forward. I have few worries about this problem.

Regards,
Kristof.


richiea
Richie A
Canada
(4 posts)

Registered:
05/28/2012 09:25AM

Main British Car:
65 TR4A

Re: VTEC powered Triumph TR4A IRS
Posted by: richiea
Date: August 05, 2012 01:04PM

Any updates? Very anxious to see the progress :)

Also I'm curious what made you decide on 15x7 vs 15x6? Most race cars I've found online are all running 15x6's with 205/60's. Tire selection is very poor for 205/60's however the 7" rim seem to usually get the vote that they will cause rubbing issues along with sticking out quite a bit. Were you going to be flaring your fenders?

Cheers,

Richie


speed6
Chad Jester

(7 posts)

Registered:
09/22/2010 06:41PM

Main British Car:


Re: VTEC powered Triumph TR4A IRS
Posted by: speed6
Date: August 14, 2012 11:52PM

Hi-

What rear axle hubs did you use? They don't look like stock Triumph parts.

Thanks,

Chad


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: VTEC powered Triumph TR4A IRS
Posted by: Dan B
Date: August 23, 2012 01:55PM

Kristof,

A question has come up about the front suspension wishbones. The lower mounts to the frame appear to be stock TR4A. Triumph upgraded on the TR6 to a two bolt bracket instead of one. Is there a reason you didn't do that upgrade. Thanks,

Dan B


TR4AIRS
Kristof Van Pachterbeke
Belgium
(45 posts)

Registered:
12/27/2010 05:58AM

Main British Car:
1966 Triumph TR4A IRS Honda S2000 F20C

authors avatar
Re: VTEC powered Triumph TR4A IRS
Posted by: TR4AIRS
Date: August 23, 2012 03:28PM

Hello,

I haven't been here for a while nor near the car for that matter. 2 months ago I started another project that will keep me busy until it will turn 18 years old -best case scenario ;-) - and we are also looking for a new house. I can't give you any updates for now, but I will answer your questions.

The lower whishbone bracket are the later ones with the double stud (as in the TR5-6). A few years back the orginal bracket broke and let's just say I didn't want something like that to happen again.

The hubs are the included in the Goodparts CV axle kit and are beautifully machined parts.

You can see the reason for the 7" - 0 offset wheels on the previous page. I really like the stance of the yellow car built by Racetorations.

Questions are still more than welcome, but unfortunately updates will not be for the next few months.

Kind regards,
Kristof.


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: VTEC powered Triumph TR4A IRS
Posted by: Dan B
Date: August 23, 2012 04:02PM

Congratulations on your new "project!"


TR4AIRS
Kristof Van Pachterbeke
Belgium
(45 posts)

Registered:
12/27/2010 05:58AM

Main British Car:
1966 Triumph TR4A IRS Honda S2000 F20C

authors avatar
Re: VTEC powered Triumph TR4A IRS
Posted by: TR4AIRS
Date: October 14, 2012 02:41AM

It was apparently more difficult to decide what I wanted to do with the engine exactly than I first thought.

Here are the plans...

Since many F20C engines suffer engine damage as a result of a broken valve, the head will be rebuilt with aftermarket components. Camshafst will be left alone, since very few manufacturers can prove horsepower gains with theirs.

On the induction side -and this I am very excited about- two double Weber DCOE carburetors will do the work. I came in touch with a man who is a real Weber wizard and who also happens to rebuild/tune F20C engines. When I asked about the Vtec, he assured me that the Vtec and the Webers could work perfectly together. I believe the sound, performance and the look will be second to none.

For the ignition we will take a KMS ignition only module. This will also send the Vtec signal.

By the end of the year I should have the entire engine back.


TR4AIRS
Kristof Van Pachterbeke
Belgium
(45 posts)

Registered:
12/27/2010 05:58AM

Main British Car:
1966 Triumph TR4A IRS Honda S2000 F20C

authors avatar
Re: VTEC powered Triumph TR4A IRS
Posted by: TR4AIRS
Date: October 27, 2012 03:08PM

Another small update.

Today I picked up a brand new clutch kit from Helix Autosport. Parts are superb quality! I wonder what it will feel like on the road.

I also ordered a custom made fuel tank from Andy Wiltshire in the UK. The tanks that he builds, have received many great reviews by his customers. I specified a 56 liter (extra large size) tank with JIC fittings for fuel feed and return and a VDO dip tube style fuel level sensor. Let's hope this will work together nicely with my Stack fuel level gauge.

I am looking for a alumium radiator with a large puller fan, but still haven't found a rad that ticks all my boxes. Anyone with a suggestion? (preferably in the UK)

I'll post pictures when the fuel tank is here.

Regards.



BlownMGB-V8
Jim Blackwood
9406 Gunpowder Rd., Florence, KY 41042
(5965 posts)

Registered:
10/23/2007 12:59PM

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

authors avatar
Re: VTEC powered Triumph TR4A IRS
Posted by: BlownMGB-V8
Date: October 27, 2012 06:27PM

What is this dip tube you refer to?

Jim


TR4AIRS
Kristof Van Pachterbeke
Belgium
(45 posts)

Registered:
12/27/2010 05:58AM

Main British Car:
1966 Triumph TR4A IRS Honda S2000 F20C

authors avatar
Re: VTEC powered Triumph TR4A IRS
Posted by: TR4AIRS
Date: October 28, 2012 08:16AM

[www.proalloy.co.uk]

Appears to be the best in the business. The Stack fuel level gauge can be configured accordingly.

Kristof.


BlownMGB-V8
Jim Blackwood
9406 Gunpowder Rd., Florence, KY 41042
(5965 posts)

Registered:
10/23/2007 12:59PM

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

authors avatar
Re: VTEC powered Triumph TR4A IRS
Posted by: BlownMGB-V8
Date: October 28, 2012 11:45AM

So still a resistor wire and contact system the same as with a pivot float. Disappointing. You would think modern technology could produce something better.

Jim


Frizzle Fry
Mike Dempsey
Oregon
(28 posts)

Registered:
11/19/2008 11:05AM

Main British Car:
1966 Sunbeam Minx Honda S2000 F20C

authors avatar
Re: VTEC powered Triumph TR4A IRS
Posted by: Frizzle Fry
Date: October 28, 2012 11:20PM

Modern Technology Here -> [www.gillsensors.co.uk]

Actually they've been used in jets for over 50 years...


TR4AIRS
Kristof Van Pachterbeke
Belgium
(45 posts)

Registered:
12/27/2010 05:58AM

Main British Car:
1966 Triumph TR4A IRS Honda S2000 F20C

authors avatar
Re: VTEC powered Triumph TR4A IRS
Posted by: TR4AIRS
Date: October 29, 2012 07:12AM

@ Frizzle Fry

I had been looking at those, but I am not looking for 1% accuracy in the fuel level gauge:-)

The signal output is also not compatible with my Stack fuel gauge.

Beautiful product though!
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