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Deryle Williams' 1968 Triumph GT6 with Ford GT40 Engine

Deryle Williams · 1968 Triumph GT6

Triumph GT6

britishv8.org

Read the full write-up at britishv8.org ↗

Photo: britishv8.org

A 1968 Triumph GT6 rebuilt with a Ford GT40 V8

This is a brief profile of Deryle Williams' 1968 Triumph GT6, fitted with a Ford GT40 V8 producing roughly 450 hp and paired to an automatic transmission. The write-up is a short specification listing rather than a build narrative, useful mainly as a snapshot of the finished car.

Specs

As the owner states it.

Owner
Deryle Williams
City
Fort Worth, TX
Model
1968 Triumph GT6
Engine
Ford GT40 V8 (approximately 450 hp, aluminum heads)
Transmission
TCI Street Fighter C4 automatic

Parts used

What the owner names in the write-up, grouped the way the Parts page groups them. Where one of the shops we index lists the same thing for this car, it is shown underneath with a link to the shop.

Engine 1

  • Ford GT40 V8 engineFord

    Aluminum heads, approximately 450 hp, installed in place of the GT6's stock engine

Gearbox & Drivetrain 1

Photos

All 8 pictures in the write-up, in the order they were posted, shown from britishv8.org. A picture opens larger here, with the way through to the page it is on.

1968 Triumph GT6 with Ford GT40 EnginePhoto: britishv8.org
Ford GT40 enginePhoto: britishv8.org
GT6 interiorPhoto: britishv8.org
GT6 side pipesPhoto: britishv8.org
GT6 hood scoopPhoto: britishv8.org
GT6 bonnetPhoto: britishv8.org
GT6 tailPhoto: britishv8.org
Donate Now!Photo: britishv8.org

How it was done

The car

Deryle Williams of Fort Worth, Texas owns this 1968 Triumph GT6, which has been converted to run a Ford V8 in place of its original six-cylinder engine. The page presents the car mainly through its listed specification and a small set of photographs, without a detailed account of the conversion process.

The engine

The car is powered by a Ford GT40 V8, described as producing approximately 450 horsepower and fitted with aluminum heads. This swap gives the small GT6 a substantially more powerful heart than its factory unit.

The transmission

Power is sent through a TCI Street Fighter C4 automatic transmission, paired to the GT40 V8 to handle the increased output in place of the original gearbox.

A summary in our own words. The full account, with all its detail, is the owner's: read it at britishv8.org ↗

britishv8.org

Read in full on 5 September 2026. The work, the words and the pictures are Deryle Williams’; this page is a catalogue of them in our own words, and a signpost.

Read the full write-up at britishv8.org ↗

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