Gary Stanfield's 1972 Triumph Stag / Rover 3.9L V8 Conversion

Gary Stanfield's 1972 Triumph Stag / Rover 3.9L V8 Conversion

as published in BritishV8 Magazine, Volume XIX Issue I, December 2011

Owner: Gary Stanfield
City: Staffordshire England
Model: 1972 Triumph Stag
Engine: Rover 3.9L (EFI)
Conversion performed by: owner

Features and Specifications

Engine: Rover 3.9L with 14CUX (1992 hot-wire type) electronic fuel injection. Viper Cyclone camshaft.
Cooling: Volvo 740 crossflow aluminum radiator. Saab 900 two-speed electric fan.
Exhaust: Phoenix tubular manifold. 2" custom dual exhaust.
Transmission: Rover LT77 5-speed. 9.5" clutch. BMW driveshaft.
Rear End: BMW 3.09:1 gears and open differential.
Front Suspension: lowered Triumph 2000 crossmember and steering rack. 1.5" lowered springs.
Rear Suspension: BMW 325i E30 transplant.
Brakes: (master) BMW E30 servo,
(front) Wilwood four-pot calipers and vented rotors,
(rear) BMW calipers and solid rotors.
Wheels/Tires: BMW Mini 17" aluminum wheels. 205/50/R17 (front) and 215/50/R17 (rear) tires.
Instruments: stock.
Interior: stock.
Body Mods: bumpers removed. Front and rear fenders (a.k.a. "wings") replaced. Chrome trim shaved. Body seams filled.
Electrical: stock, except 14CUX engine electrical controls.
Completed: March 2009. Driven 4500 miles so far, as of July 2011.

Rover 3.9L with 14CUX (1992 hot-wire type) electronic fuel injection.
Rover 3.9L with 14CUX (1992 hot-wire type) electronic fuel injection.

Volvo 740 crossflow aluminum radiator. Saab 900 two-speed electric fan.
Volvo 740 crossflow aluminum radiator. Saab 900 two-speed electric fan.

Phoenix tubular manifolds.
Phoenix tubular manifolds.



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Preliminary Bodywork

The before picture.
The before picture.

Installing new rear fenders on a Triumph Stag.
Installing new rear fenders on a Triumph Stag.

Triumph Stag rust repair.

After carefully smoothing the fenders, Gary left original chrome side trim off.
After carefully smoothing the fenders, Gary left original chrome side trim off.

Triumph Stag rear end

New front fenders on a Triumph Stag.
New front fenders on a Triumph Stag.


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Suspension and Brakes

Wilwood four-pot calipers and vented rotors.
Wilwood four-pot calipers and vented rotors.


Exterior

Lowered front springs plus modern wheels and tires give this Stag its aggressive stance.
Lowered front springs plus modern wheels and tires give this Stag its aggressive stance.

BMW Mini 17 inch aluminum wheels.
BMW Mini 17" aluminum wheels.

205/50/R17 (front) and 215/50/R17 (rear) tires.
205/50/R17 (front) and 215/50/R17 (rear) tires.

The photos shown here are were taken by Gary Stanfield for exclusive use by BritishV8 Magazine.
Copyright 2011. All rights reserved.


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