Bill Jacobson's Supercharged, Fuel-Injected Buick 215cid MGB V8

Bill Jacobson's Supercharged, Fuel-Injected Buick 215cid MGB V8

(originally featured in British V8 Newsletter, Volume 2 Issue 2)

Owner: Bill Jacobson
BritishV8 UserID: MG four six eight
City: Burlington, Washington
Model: 1973 MGB
Engine: 1962 Buick 215
Conversion by: owner

Engine: 1962 Buick 215cid V8, bored 0.030" over. 10.25:1 static compression ratio. Fully balanced. One piece front and rear main seals. ARP connecting rod bolts. Melling high volume oil pump. (Enlarged oil passages in the engine block.) Isky camshaft (262 grind). Double roller timing chain. Ported Buick cylinder heads. Crane dual valve springs. Custom fabricated intake manifold. Eaton M90 supercharger from a 96 Buick 3800 V6. Custom blower drive system. Edelbrock/Weber fuel injectors. Ross fuel rail. GMC Astro fuel pump, shortened to fit inside MGB fuel tank. MegaSquirt III electronic fuel injection controller. JB Performance I/O expansion board. Ford (Motorcraft) EDIS-8 ignition coils. Taylor spark plug wires. Innovate Motorsports wide band oxygen sensor. Ford Taurus/Windstar V6 cam position sensor. Custom cam position sensor mount.
Cooling: Ron Davis aluminum radiator (20"H x 19"W x 3"T). 16" electric fan (2300cfm. Puller.)
Exhaust: RV8 stainless steel headers. 2" dual exhaust with crossover pipe. Glass pack mufflers. Resonator tips.
Transmission: Borg-Warner T5 five speed transmission from '92 Camaro. 0.73:1 overdrive. Lightened flywheel. 10.5 clutch. Stock MGB clutch master cylinder. Toyota Land Cruiser (11/16") bore slave cylinder. Shortened GM throwout fork.
Rear Axle: Chrysler 8.75" rear axle. Mopar Performance gear carrier. 3.23:1 ring and pinion. Limited slip differential. Moser axles, drilled to GM/MGC 5-lug bolt pattern.
Front Suspension: Fast Cars coilover front suspension.
Rear Suspension: adjustable tube shocks. Traction bars.
Wheels/Tires: genuine Minilite wheels (15x7). Yokahama S-drive tires ("W" speed rated).
Brakes: 1989 Toyota Camry (15/16") master cylinder. 1986 Isuzu Trooper reservoir. Wilwood residual pressure valves.
(front) Wilwood disc brakes.
(rear) Wilwood disc brakes.
Interior: VDO gauges. Southern Rods heater/defroster (Part# 842H, mounted under dashboard). Leather seats.
Comments: Bill updated his MGB in summer 2007 with a supercharger and fuel injection. Read the article and see more photos: here.

Engine Installation

EGT sensors on the headers facilitate fine tuning each cylinder individually.
Bill has upgraded to MegaSquirt III for sequential fuel injection and electronic ignition.
EGT sensors on the headers facilitate fine tuning each cylinder individually.

Handmade coolant header tank. Coolant fill and heater hoses to under-dash heater.
Handmade coolant header tank. Coolant fill and heater hoses to under-dash heater.

1986 Isuzu Trooper reservoir on a 1989 Toyota Camry (15/16 inch) master cylinder.
1986 Isuzu Trooper reservoir on a 1989 Toyota Camry (15/16") master cylinder.

Eaton M90 supercharger, off of a 96 Buick 3800 V6.
Eaton M90 supercharger, off of a 96 Buick 3800 V6.

Custom built intake manifold, made from T6061 aluminum flat stock.
Custom built intake manifold, made from T6061 aluminum flat stock.
Cowl induction, with air filter hidden inside the old Smiths heater.

Custom fuel injection system, using Edelbrock/Weber fuel injectors.
Custom fuel injection system, using Edelbrock/Weber fuel injectors.

JB Performance I/O (input/output) expansion board.
As a supplement to MegaSquirt, Bill has installed a JB Performance I/O (input/output) expansion board
to read the EGT sensors. It has a built in accelerometer, and connects to an external Vehicle Speed
Sensor. MS3 logs the data, which can be viewed and analyzed with engine sensor data via TunerStudio.

Before the supercharger project... Carter 400cfm carburetor on stock manifold.
Before the supercharger project... Carter 400cfm carburetor on stock manifold.


Front Suspension

Fast Cars front suspension.
Fast Cars front suspension.

Pontiac Fiero steering dampener.
Pontiac Fiero steering dampener.

Fabricated inboard mount for Fiero steering dampener.
Fabricated inboard mount for Fiero steering dampener.

Threaded outboard mount for steering dampener. Mount is secured in place with a set screw and Loctite.
Threaded outboard mount for steering dampener. Mount is secured in place with a set screw and Loctite.

Rear Suspension

Mopar 8.75 rear axle: complete assembly weighs five pounds less than stock MGB rearend!
Mopar 8.75" rear axle: complete assembly weighs five pounds less than stock MGB rearend!

Mopar Performance aluminum gear carrier, 3.23:1 ring and pinion, and limited slip differential.
Mopar Performance aluminum gear carrier, 3.23:1 ring and pinion, and limited slip differential.

Wilwood disc brakes, Moser Axles, 1 inch lowering blocks with poly bushings.
Wilwood disc brakes, Moser Axles, 1" lowering blocks with poly bushings.

Chassis reinforcements and traction rod attachment.
Chassis reinforcements and traction rod attachment.

Fuel Filler Hidden Behind Taillamp

Modified Chevy pickup truck fuel filler neck.
Modified Chevy pickup truck fuel filler neck.

Chevy fuel filler neck, installed.
Chevy fuel filler neck, installed.

LED panels with low amperage inline fuses.
LED panels with low amperage inline fuses.

Hidden fuel filler.
Hidden fuel filler.


Interior

Whiteface VDO gauges.
Whiteface VDO gauges. (A/F ratio and boost gauges have been added since this picture was taken.)

Exterior

MGB air dam
Bill made his air dam look like it was part of the body from the factory.

Bill Jacobson's Buick 215cid MGB V8     Datsun 510 Rear wheel flares MGB
Rear wheel flares from a Datsun 510.

Genuine Minilite wheels (15x7). Yokahama S-drive tires (W speed rated).
Genuine Minilite wheels (15x7). Yokahama S-drive tires ("W" speed rated).


British V8 Home:        Read the Magazine        Photo Gallery        Web Forum        Annual Meets        Contact Us        Site Map