Kingsley Dunstan's Chevy LS1 5.7L V8 powered 1977 Triumph Stag
as published in BritishV8 Magazine, Volume XX Issue 1, July 2012Owner: Kingsley Dunstan
City: Perth, Western Australia
Model: 1977 Triumph Stag
Engine: Chevrolet LS1 5.7L (EFI)
Conversion performed by: owner, Ray Ferrari, & Bruce Pollock
Features and Specifications
| Engine: | Chevrolet LS1 5.7L with electronic fuel injection.
Stock intake manifold, plenum, and throttle body.
Reprogrammed PCM, which accomodates "MAFless tuning".
(The LS1's mass airflow sensor has been removed and airflow is instead estimated
based on manifold absolute pressure, engine speed, and throttle position.)
K&N oiled gauze air filter.
Aeromotive adjustable fuel pressure regulator.
Moroso reverse-pickup fabricated aluminum oil sump.
Remote mounted oil filter (Baldwin Filters B1405). |
| Cooling: | custom PWR aluminum radiator.
16" Zirgo fan, thermostatically controlled. |
| Exhaust: | custom four-into-one headers.
Dual MagnaFlow dual-outlet stainless steel mufflers.
Four rear outlet 2.5" exhaust system. |
| Transmission: | upgraded Turbo 700 (TH700R4) 4-speed automatic.
B&M deep sump.
2800rpm stall convertor.
B&M Mega Shifter. |
| Rear End: | BMW 8 bolt with limited slip differential.
3.7:1 ring and pinion.
Datsun drive shafts. |
| Front Suspension: | stock except for KONI shock absorbers. |
| Rear Suspension: | stock except for KONI shock absorbers, up-rated springs, and polyurethane bushings. |
| Brakes: | (master) Nissan Skyline 15/16"-bore. Modified rear brake bias valve. (front) Nissan Skyline R32 4-pot aluminum calipers. 280mm rotors. (rear) Nissan S14 Silvia calipers with modified handbrake actuators. |
| Wheels/Tires: | modified hubs. TIG 17x7 aluminum wheels. Maxxis MA-V1 P205/45R17 tires. |
| Instruments: | Speedhut "Legacy" white dial voltsmeter, coolant temperature, oil pressure, fuel level, GPS speedometer, and tachometer gauges. Shift light. |
| Interior: | mostly stock.
Alpine stereo system. |
| Completed: | March 2010, but still not yet finished! |
| Comments: | as with any conversion, many parts have been custom-made including electrical, cooling, and exhaust systems,
engine and transmission mountings, gear shifter location, driveshaft, etc. |
Chevrolet LS1 5.7L with electronic fuel injection. Stock intake manifold, plenum, and throttle body.
Moroso reverse-pickup fabricated aluminum oil sump.
The LS1's mass airflow sensor has been removed and airflow is instead estimated based
on manifold absolute pressure, engine speed, and throttle position.
Aeromotive adjustable fuel pressure regulator.
Upgraded Turbo 700 (TH700R4) 4-speed automatic, with B&M deep sump.
BMW 8 bolt with limited slip differential and 3.7:1 ring and pinion. New Datsun drive shafts and KONI shocks
were added after this photo was taken. Foreground: dual MagnaFlow dual-outlet stainless steel mufflers.
Interior
B&M Mega Shifter.
Speedhut "Legacy" white dial instruments.
Mostly stock interior, but with Alpine stereo system.
Triumph Stag's came with a distinctive T-bar rollover structure.
Exterior
Venom8
Kingsley Dunstan's Triumph Stag is only slightly lowered from stock.
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TIG 17x7 aluminum wheels.
Maxxis MA-V1 P205/45R17 tires.
Four rear outlet 2.5" exhaust system.
The photos shown here are were taken by Kingsley Dunstan for exclusive use by BritishV8 Magazine.
Copyright 2012. All rights reserved.
