1980 Triumph TR7 DHC GM 2.8 V6 MPFI


Solid simplicity that puts a smile on your face


Everything, and yet nothing.

I bought the car as a semi-rolling restoration.

It's in its second winter of resto work. The back end was done last winter, and the front end's getting done this winter, together with a new drivetrain.

General Comments:

Great. I love my TR7 drophead.

Solid, basic design. Everything's "right there". Easy to fix and generally very forgiving to work on. It's possible to get any component, although to be honest there's not much that can go wrong with them, and if you know what you're doing they can be very rewarding to own.

I've had lots of sports cars. Midgets, TR7s, MX5s, MR2...

The MX5s were a lot of fun and I had my eye out for another one. However this TR7 came up and I figured for the same money (5000 CAD) I could have a decent MX5 or a TR7 and 3000$ to spend fixing it up.

The MX5 would have been the right decision for a daily driver. But the TR7 was the right decision for a summer time blast, and there's nothing else like it for exclusivity. When you're in an MX5 you're just another guy. When you're in a tastefully modified TR7, everyone wants to know what it is and the story behind it.

Would you buy another car from this manufacturer? Don't Know

Review Date: 4th February, 2016

7th Feb 2016, 04:07

Tell us more about the 60-Degree Chevy V-6 part of the story (Great idea, BTW).

31st Jul 2017, 17:40

For the poster who asked:

"Tell us more about the 60-Degree Chevy V-6 part of the story (Great idea, BTW)"

Previous owner had a Buick 3.8 and an auto box which wasn't to my liking so I sourced the engine and gearbox from a 1989 Camaro 2.8 V6 MPFI with WCT5 gearbox.

I rebuilt the engine and gearbox and adapted the drive shaft. I needed to fabricate A frames on the TR7 subframe and a gearbox mounts. I deleted the smog, O2, power steering, brake servo, EGR, MAF, IAC and so on.

I bought, built, installed and tuned a Megasquirt1 EFI module which drives the engine via MAP and throttle sensor. The V6 is a tall but short engine that fits (just) behind the steering rack and under the stock double-bulge TR7 hood. I had to move the hood latch and use the Camaro fan. The T5 gearstick pops up in the stock TR7 location. I also run the throttle body inverted and without the water heater.

Otherwise the engine fits well and the car has lots of get up and go. I've found the GM V6 to be easy to work on and fairly bulletproof. The 3.1 and 3.4 V6s should also work as it's more or less the same engine.

I also added Mini Cooper vented/slotted/drilled 11in discs, MGF alloys and V6 Accord calipers as well as uprated front springs so it will stop as well ;)

The car is currently working well albeit with a couple of interesting idiosyncrasies. These will be ironed out in due course. A more complete guide to the work can be found on Triumph Experience under userid carltr7.

1980 Triumph TR7 DHC 2.0L


Best car ever for a warm sunny day


Original engine had in-warranty head gasket trouble. Put in new short block at 100,000 miles. Fine since.

AC compressor (York) seems to have shorter life than expected. But easy to replace.

General Comments:

1980 30th Anniversary Edition bought new in 1982 from leftover stock at a Jag dealer. Just celebrated its own 30th year with new paint and collector plates.

Would you buy another car from this manufacturer? Yes

Review Date: 14th April, 2010

1980 Triumph TR7 DHC 2.0L 4 cylinder stock


Just plain fun!


The problems from the stock TR-7 were minor, actually, I was glad that the small stuff went instead of the big things.

I expected to change a few bulbs and screws here and there, but the most surprising thing was that the car was holding together very well.

I replaced the bad seals and headlights, but that's all really. I did run into brake lock up because the calipers froze due to rust. It was my bad though.

General Comments:

NOTICE: This car I have had for most of the time was my own conversion to a Wankel Rotary twin turbo engine. I did own the original car for about 10,000 miles though.

This TR7 originally came with the 2.0 DHC 4 cylinder engine mounted on a 5 speed transmission. It was a drop top, which I later customized to a targa top.

The best part about this car, is that you are not worried about dinging it here or there, because it's already old. You drive it how it's supposed to be driven, you jump in and have fun. This car is a great daily commuting car as well because of the gas mileage. I drive slow in the city so maybe the numbers are off compared to others.

If anyone is looking for cheap, sharp, fun little project, the TR-7 is right for you.

With the stock engine I was quite impressed at the quickness and the sound, with a custom exhaust and ports it sounded great.

I also got around town with it @ an average of 34 MPG High 41 Low 21. After I converted the car to the Rotary engine I dropped to about 24.

Total amount of money spent, $3,800 on paint, engine and transmission ($2,500) and other minor parts to make it great.

This is the most fun car I have owned ever! Even without the rotary engine I recommend to anyone who wants to have a thrill car.

Stats: With the RX7 twin turbo unit, I ran 0-60 in 4.9 sec vs. 9, 284 hp vs. 107, and 161 mph vs. 126 mph. (Location where tested is undisclosed)

Would you buy another car from this manufacturer? Yes

Review Date: 27th May, 2003

5th Aug 2004, 12:58

Sorry to say, but I left the TR7 for something a little more practical now that work commuting is taking over my life. I don't have any pictures either. There is a website that could probably help you with a customization of a Targa TR7 www.triumphtr7.com. They have everything regarding the TR7. Sorry again.

1980 Triumph TR7 2.0


Since I bought the car I have only had to replace some rubber and suspension parts that the previous owner had neglected to do. Does leak a drop or two of oil on my garage floor, but I aim to try and correct that with some new gaskets.

General Comments:

Car starts every time, performs very well for a 2.0L four, sounds great with the muffler/rear resonator setup, still turns heads for a 20 year old convertible. Fun to drive, and handles great.

Would you buy another car from this manufacturer? Yes

Review Date: 27th August, 1999

12th Oct 2002, 05:46

Shawn, Regarding your clutch on your tr7,the problem is that is has stuck on! to free off, remove the rear wheels, (after 1st supporting the car!!),put the car in gear,3rd or 4th, start it up, push on the gas, with the clutch down, and stamp on the brake!!!. (you might need a hand to keep the gas pedal down!,this should then free off the clutch.

P.s I know it works, as I just did it to mine!!

1980 Triumph TR7 DHC Convertible 2.0 Liter


Nothing really, I'm about the 4th owner, and I haven't been all that sure about the maintenance before me. But, the car has been rather reliable; the only bits I have had to pay attention to are the normal consumables one would expect in a nearly 20 year old car....

General Comments:

A great looking, fun car. The TR8 has some more horsepower and is faster in the top end, but the TR7 is reasonably quick and very nimble around the twisties. Classic roadster with a modern edge. Just too little too late to save Triumph, or we could be getting new ones even today....

Would you buy another car from this manufacturer? Yes

Review Date: 24th January, 1999

1st Jun 2008, 00:51

In 1999 a person could afford to run a TR7...

$1.35/Liter... the next time someone comments that will sound cheap XD.

14th Feb 2011, 17:48

I Got a Triumph TR7 1980 with 30,000 km on it, how much would this be worth?