Originally Posted By: MCompact
Originally Posted By: bunnspecial
Originally Posted By: Silk
Triumph made their 6 by adding a couple of cylinders to a 4 cyl, and made a nice engine out of it
Then, a few years later-didn't Triumph design a V8 and cut it in half to make a 4 cylinder out of it?
That's at least how I've heard the engine in the TR-7 described.
Yes; it was developed from the V8 in the Stag.
Originally Posted By: Shannow
Originally Posted By: bunnspecial
Then, a few years later-didn't Triumph design a V8 and cut it in half to make a 4 cylinder out of it?
That's at least how I've heard the engine in the TR-7 described.
I think it's the other way around...they built the 4 (which became the saab engine as well), then joined two for the V-8.
The TR-8 used the Rover/Buick.
http://driving.ca/triumph/auto-news/entertainment/triumphs-v8-the-worst-engine-ever-made
Quote:
The SOHC V8 looks exotic with twin-carbs but hides a host of issues.
The styling was indeed spot-on and it featured a unique T-bar roof that allowed it to be driven with a cloth top, removable hard-top, or no top at all for open-air motoring. Triumph was aiming for mid-range GT cars like the Porsche 911, and to do so they needed more power than the traditional inline-four could provide.
Initially a 2.5-litre version of Triumph’s own inline-six was considered, but engineers believed it would not provide the power or refinement that GT buyers expected in the segment. There was also the discussion of whether the model should use the familiar Rover 3.5L V8. But in the end it was decided to use a Triumph-designed engine because engineers were already nearly done with a brand-new engine, and because they wanted to show the world what Triumph engineering could do. Unfortunately, they did.
Triumph’s solution was to twin their existing inline-four into a 2.5L V8. The I4 had actually been designed with this in mind and the reverse had been done before by Pontiac, turning half a V8 into a slant-four. Thus began an extremely lengthy (and costly) five-year development program between 1964 and 1969.