Triumph Sports Cars

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

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Maņana
Steve Wten
Toronto Canada
(18 posts)

Registered:
02/28/2015 01:35AM

Main British Car:
1978 Triumph Spitfire 1991 Miata 1.6

authors avatar
Re: Miata 1.6 into a 78 Spitfire
Posted by: Maņana
Date: June 06, 2018 01:33PM

Joe, this looks really cool.

Sorry to hear about the rust, but really like the way you're thinking with the suspension.

That's similar to my train of thought, and of course there have been many before us with the same starting point.

At first I thought that the plates you mount the diff to might not be enough, however, they're really not bearing any vehicle weight, just the diff, so should be good.

Wishbones look like good geometry, I'm thinking to somehow get the coilover mount inside the lower A-arm. I know lots of cars have them outside, but it's a goofy hang-up of mine.

Did you have to cut up the tub at all to fit in the second row of rear lateral framing?

Really nice to see this. (thumbs up emoticon!)


joebarry10
barry davis

(23 posts)

Registered:
01/16/2016 09:39AM

Main British Car:


Re: Miata 1.6 into a 78 Spitfire
Posted by: joebarry10
Date: June 06, 2018 02:49PM

Thanks Steve. Means a lot coming from you considering I have been studying your website and copying as best I could - your site made the transition to the 63 much easier - that's absolutely true. Yes, unfortunately it did require cutting into the cabin area but not as much as I first thought - but still hated doing it. Due to the placement of the springs, I had to cut just into the base of the rear deck by about an half inch. Springs could have probably fit on the inside of the lateral framework with professionally designed A arms. Honestly, I just went with what I thought I could do safely and with least cost.


Maņana
Steve Wten
Toronto Canada
(18 posts)

Registered:
02/28/2015 01:35AM

Main British Car:
1978 Triumph Spitfire 1991 Miata 1.6

authors avatar
Re: Miata 1.6 into a 78 Spitfire
Posted by: Maņana
Date: June 06, 2018 03:41PM

I figured you may have had to, but it definitely looks close.

I've been thinking about cutting a swath out of that area, specifically the vertical part and moving it forward; of course I think that that part contributes much to strength so hopefully I could recreate that strength further forward. That would reduce the area available behind the seat, but make more room for the suspension. Could even cut a bit more out front and then weld that in below the gas tank, or just fab something similar. Just thinking out loud.

But if you just cut a bit off the corners and managed to sneak that new frame assembly in, that is simpler and likely stronger than I could do.

Keep it up Joe, looking forward to whatever you're willing to share.


joebarry10
barry davis

(23 posts)

Registered:
01/16/2016 09:39AM

Main British Car:


Re: Miata 1.6 into a 78 Spitfire
Posted by: joebarry10
Date: March 15, 2019 06:01PM

Need some wiring help!! PLEASE!! Running, moving, stops @ but this wiring!! GEEZ!!! How can I identify which wires I can delete AND fan wiring. Trying to attach photos if I can get them smaller.


joebarry10
barry davis

(23 posts)

Registered:
01/16/2016 09:39AM

Main British Car:


Re: Miata 1.6 into a 78 Spitfire
Posted by: joebarry10
Date: March 15, 2019 06:13PM

64330103-FFF1-4AED-BFA6-15E2D46CE2A3.jpeg


joebarry10
barry davis

(23 posts)

Registered:
01/16/2016 09:39AM

Main British Car:


Re: Miata 1.6 into a 78 Spitfire
Posted by: joebarry10
Date: March 15, 2019 06:17PM

.F95122B8-A761-4BC3-A8A3-42B724CC1A1F.jpeg


joebarry10
barry davis

(23 posts)

Registered:
01/16/2016 09:39AM

Main British Car:


Re: Miata 1.6 into a 78 Spitfire
Posted by: joebarry10
Date: March 15, 2019 06:18PM

A6412DAA-F02A-4DA9-A420-78A5907D5C14.jpeg



joebarry10
barry davis

(23 posts)

Registered:
01/16/2016 09:39AM

Main British Car:


Re: Miata 1.6 into a 78 Spitfire
Posted by: joebarry10
Date: March 15, 2019 06:19PM

8C4F879B-85CB-4850-8641-387A86DD7160.jpeg


joebarry10
barry davis

(23 posts)

Registered:
01/16/2016 09:39AM

Main British Car:


Re: Miata 1.6 into a 78 Spitfire
Posted by: joebarry10
Date: March 15, 2019 06:24PM

14BCE47D-2FBB-4CCE-9165-6B15477D19DD.jpeg


Maņana
Steve Wten
Toronto Canada
(18 posts)

Registered:
02/28/2015 01:35AM

Main British Car:
1978 Triumph Spitfire 1991 Miata 1.6

authors avatar
Re: Miata 1.6 into a 78 Spitfire
Posted by: Maņana
Date: March 21, 2019 05:34PM

Hey Joe,

This is what I put together for mine...

Can be found here as well....
[stevew10.wixsite.com]
Schematic - Mark VII - R.jpg


mbyrne
Michael Byrne

(1 posts)

Registered:
03/26/2019 11:59AM

Main British Car:


Re: Miata 1.6 into a 78 Spitfire
Posted by: mbyrne
Date: March 28, 2019 10:18AM

Hey all. Does anyone know how to get in touch with Doug? I'm actually thinking about picking up the miata spitfire he built, and I wanted to speak to him about it and other pitfalls he happened to come across, and possibly purchase his notes and diagrams from him incase something went wrong, so I'd have a place to start. If anyone has his contact information, I'd greatly appreciate it. It seems like he hasn't been active here in a long time.

Thanks!


cablefixer2000
Marino Alonzo

(1 posts)

Registered:
11/11/2019 12:59AM

Main British Car:


Re: Miata 1.6 into a 78 Spitfire
Posted by: cablefixer2000
Date: November 11, 2019 01:08AM

Is there a full schematic of the 1.6 Miata wiring harness that is needed to install the a 93 Miata engine to a spit that any laymen can read and understand, PLS


Doogie
doug milligan

(2 posts)

Registered:
01/27/2020 06:41PM

Main British Car:


Re: Miata 1.6 into a 78 Spitfire
Posted by: Doogie
Date: March 19, 2020 12:25PM

i see my beast is up for sale again on NJ Craigslist. Funny to see it up for sale every so often. it seems to be a bit worse for wear then when i sold it.....This is Doug under a new login.


bsa_m21
Martin Rothman
Vancouver, Canada
(211 posts)

Registered:
01/06/2009 11:41AM

Main British Car:
1980 TR7V8 Rover 3.9L

authors avatar
Re: Miata 1.6 into a 78 Spitfire
Posted by: bsa_m21
Date: March 20, 2020 12:08PM

This one?
[newjersey.craigslist.org]

$4500 seems a good price.


Doogie
doug milligan

(2 posts)

Registered:
01/27/2020 06:41PM

Main British Car:


Re: Miata 1.6 into a 78 Spitfire
Posted by: Doogie
Date: March 25, 2020 01:30PM

i sold it several years ago for $3,000.....if they did what they said, particularly rebuilding the exhaust it might be a good deal. It could use a paint job at some point. glad to see it's still alive and kicking. That Miata engine and tranny in it really transformed the car. i hope all my wiring diagrams are still with it-or someone will be in for fun if something goes out!

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