Cars We Sold

1963 Ginetta G4 Spyder Serial Number G4-171


Lead photograph of 1963 Ginetta G4 Spyder Serial Number G4-171


Make   Ginetta Model   G4 Spyder
Year   1963 Serial #   G4-171
Engine #    VIN   
Engine Type   Ford 116E Chassis Type   Tube
Build Sequence #    Number Built   
Body Type   Spyder Body Builder   
First Owner    Current Owner   Current Owner
Build Sheet   No Current Location   USA


Current engine: Newly rebuilt 2003 711M tall block, 1690 cc all steel Cosworth steel billet crank, Farandon steel rods J.E forged pistons, Kent/Cosworth A–8+ Etc. give 142.5 HP/130 lbs. (Ivey dyno) Pre X flow head.

Current transmission: Newly rebuilt 2002, close ratio, straight cut gears with steel synchros.

Current rear end: Rebuilt reinforced housing, winner’s circle double bearing hubs, hardened R–42 axles. 2 LSDs 4.2 and 3.9.

Partial spare list: Complete engine – 116E block, 1550 cc with 109 head 13.5–1 compression dyno’ed at 48 HP/130 lbs (Not running). 8 wheels, 4 panasports 13″x6″ with Hoosier 205/60 – 13s, 4. Shelby Europas 13″x6″ with 5.00x 13 Goodyear Bluestreaks. Small 2 Wheel open trailer.

Typical times are +/- 1:56 at Infineon; +/- 1:46 at Laguna Seca and +/- 2:10 at Thunderhill.


S/n G4-171. Ginetta. 1963.

1960s, early, with Andy Suttclife, England.

1960s, later owned by Steve Wyatt, England. Raced by Steve Wyatt.

1971, June, Steve Wyatt sold the car to Alan Minshaw, the owner of Demon–Tweaks.

Alan Minshaw put in a 1 liter motor and won the one liter GT championship 2 years running.

Ginetta G4 was then sold to someone who did not race it.

Then sold to Mike Rigby of Vancouver, B.C., Canada.

Raced at Westwood raceway.

1987, Mike Rigby sold the car to Rob Forbes of Redwood City, California. Rob Forbes replaced the 1 liter motor with a 1.5 liter Ford 116 E engine.

1987–1998, Rob Forbes raced the car.

1998, sold to John Shirley, a San Francisco based lawyer.

2000, new fire system, spax shocks, and rear springs.

2001, new radiator.

2002, rebuilt close ratio, straight–cut gears with steel synchros; front suspension redone; rack and pinion redone; Tilton starter and clutch.

2003, new oil cooler, Bean oil pump, Koni front adjustable shocks, body repainted in 1985 Audi Toronado Red.

2004, new dry sump tank, front clip repainted.

Some of the most recent race results (this Ginetta has raced over 66 times on the west coast since 1987) are as follows:

2001, first in class at Monterey Historics.

2003, Monterey Historics, 1st in class and 2nd O.A. also Rolex award best presentation and performance.

2004, 1st under 2 liter 2004 Coronado Speed Festival ahead of Tom Claridge’s G–4R (works car of Chris Meeks) and Don Burrows G–4R. 4th O.A.

2004, 1st under 2 Liter 2004 Wine Country Classic (Infinion Raceway) 2nd O.A.

2005, June, offered for sale by Michael Sheehan’s

Note: The above vehicle information is complete and accurate to the best of our knowledge at the time it is posted to this website. Corrections or additional information is always appreciated.