Flywheel401’s Profile Photo


Mercersburg, Pennsylvania
United States

FordFanboi’s Profile Photo


Austin, Texas
United States


1971 AMC 401 AMX/Javelin

“The 401 Experience”

1966 Ford Mustang


Photo of: 1971 AMC 401  AMX/Javelin
Photo of: 1966 Ford Mustang

Head to Head


About “The 401 Experience”

Rare : Early 71 AMX 401 "Z" Code

Shares in a Racing Heritage. In 71' & 72'

The Trans Am /AMX's ,Won the Manufactures Cup &

Championship Title in SCCA Trans Am Road Racing .

71' Season - Won 7 out of the 9 Races . In 72' Season

finished 1st , 2nd and 3rd. in last race of season !

Some of the designers of the 71 AMX Roger Penske,

Mark Donohue , Chuck Mashigan, ,George Follmer

just to name a few. 71' is the Frist Year for the 401engine.

It is a split year for this model,

Only 745 - AMC - 71' - 401 AMX's were produced ,

unknown # of 4 spd made

unknown # of Early 71' 401's made

About “Coupevertible”

Custom Hardtop / Softtop Conversion
408ci Stroker, Megasquirt EFI w/Holley 900cfm Throttle Body Injection, Unisteer Power Rack & Pinion Steering, TCP tubular coil-over suspension, Richmond 5 Speed, Mark Williams 35 Spline Rearend

Originally a pale yellow 289ci automatic coupe.

I cut off the original hardtop and can either bolt it back on, install the custom vinyl top, or have her go topless.

VIDEO: Flyin over the camera
VIDEO: 3 shift burnout
VIDEO: Autocross racing


Specs for “The 401 Experience”

ENGINE : 401 - 0.030 over . Keith Black Custom Performance

Pistons w/ Thermal Conductive Ring, Chrome Moly Rings.

The 401 RODS, have been reconditioned Bushed for full floating

pins,with spiral locks. Mildon Bolts & Nuts installed.

The MAINS, have Mildon Studs & Nuts Installed

CRANKSHAFT: Has been Magged, Crossdrilled, Chamfered,

Nitrided & Polished. The assembly has been completely

Balanced Externally Front to Rear. The DECK has been O-

RINGED ( Stainless Steel). New Main,Rod, & Cam Bearings

installed. Hi-Perf. Camshaft 474 Lift - 288 Dur. New Guides,

Hi-Perf. Valve Job, Comp Cam Springs, 10 degree retainers &

locks. Intake is an AMC Elderbrok Torker II with a 4150 series

Holley.A Centerforce II Clutch assembly gets the Horses too

the factory 4.10's Assembled and installed 4/07 FRESH

Run's Like a Cat with it's Tail on FIRE !

Specs for “Coupevertible”

Dyno 06/2013: 425 RWHP / 408 RWTQ
1/4 mile 06/2005: 12.34 @ 116mph / 2.08 60' ( All weather radials )
Dry weight: 2900lbs


Factory Options for “The 401 Experience”

Ealy 401 AMX " Z " Code

" GO - PACKAGE " T - 10 P 4 Speed w/ Hurst Comp Plus

Shifter, Twin Grip Locking Differential w/ Factory 4.10's

Front & Rear Spoilers, Functional Cowl - Air Induction Hood

Handling Package- HD Springs & Shocks, Heavy Duty Cooling

System, Hood T - Stripe, 15"x7" Factory Slots Style Wheels

Air Conditioning, Power Steering ( Eaton Pump ), Power Disc

Brakes, Light Group, Tinted Windows, Rally - Pac Instruments

w/ 140 Speedometer , Leather Front Bucket Seats, Extended

Console w/ Armrest, HD Front Anti-Roll Bar.

Dealersip option : Trendsetter Sidewinder Exhaust

Factory Options for “Coupevertible”

Front disc brakes
289ci engine


Mods for “The 401 Experience”

Hooker Headers,

Traction Bars,

Paint :Custom Red & Copper

Mods for “Coupevertible”

General information:

Solar Yellow with Matte black LeMans stripes
Custom hardtop/softtop conversion
Scat 408w stroker ( 351 windsor block )
Holley COMMANDER 950 900cfm TBI ( 534-173 )
4 85pph Injectors - low impedance 1.4 ohms ( 522-43 )
MegaSquirt II ECU
Richmond 5 speed transmission
Mark Williams 35 spline spool and axles
Nodular 3rd member with 3.00:1 gears
Unisteer Power Rack & Pinion steering
TCP coilover front suspension

Interior Details:

Interior: Black upholstery / carpet
Gauges: Classic instruments Autocross instrument cluster
Gauges: Innovate XD16 Wideband o2
Roll Bar: Custom 6 point
Seat: Scat Classic 1500
Harness: 3 point conversion
Steering Wheel: Aftermarket

Exterior Details:

Exterior paint: Nissan Solar Yellow with gloss Black stripes
Fiberglass: Shelby racing apron, Shelby side scoops, Eleanor hood, Chin spoiler, 3.25" flared front fenders, 3.5" rear fender flares, Decklid with spoiler
Top: Custom vinyl softtop
Misc: Shelby style foglamp kit

Performance Details:

408ci Engine Details:
Cubic Inches: 408 (stroked 351W)
Compression: 10.7:1
Crankshaft: SCAT 9000 series
Bore: 4.030
Stroke: 4.00
Rods: SCAT Forged H Beam 6.2"
Pistons: Probe Forged 19.3cc dish
Timing Chain: Edelbrock Double Roller
Oil Pan: Milodon 8qt.
Crank Dampner: Summit SFI
Motor Mounts: Prothane urethane

Cylinder Head Details:
Brand & Model: Air Flow Research AFR205
Valves: 2.08 / 1.60
Port Work: CNC ported and polished
Components: Air Flow Research valvesprings
Rockers: Crane Gold 1.6 Roller 3/8 stud ( 974D ) Summit 1.72

Camshaft Details:
Brand & Model: Crower 15445
Duration adv int/exh (0.050 int/exh): 285/292 (254/260)
Gross lift int/exh: 0.642/0.578 (1.72/1.6 rockers)
Lobe Separation: 106
Cam advance/retard: Straight up
Lash: .022" intake and .024" exhaust
Lifters: Crower mechanical roller

Induction System Details:
Intake: Edelbrock Victor Jr 351W
Port Work: Matched
TBI: Holley 900cfm throttle body w/quad 85pph injectors
AFR: LC-1 Wideband O2 kit
Fuel Pump: NAPA inline
Air Filter: K&N 14x4

Exhaust System Details:
Hedders: Hedman Shorty 351W Swap
Pipe Diameter: 3"
X-Pipe: Pypes
Mufflers: Magnaflow
Tailpipes: Custom over axle with mufflers at rear bumper

Ignition Details:
Distributor: Mallory Unilite with HEI conversion cap
Ignition: Mallory HyFIRE IVc
Coil: MSD Blaster HVC-II
Wires: Ford Motorsport 9mm plug wires
Plugs: Autolite 3924 or NGK V Power Spark Plug (BKR7E-11)
ECU: MegaSquirt II v3.0

Cooling Details:
Radiator: AFCO Racing alum. 19x26x3
Fan: Perma-Cool 18" 2950cfm electric with thermal controller
Water Pump: Moroso aluminum high flow
Temp sender: GM 25036135

Drivetrain Details:
Transmission: Richmond aluminum 5 speed (RMG-7041710A)
Gear ratios: 3.28, 2.13, 1.57, 1.24, 1.00:1
Flywheel: 13lb Zoom Aluminum (60-3101) w/ARP bolts
Pressure plate: McLeod 800 series 11" diaphram style (360850)
Clutch Setup: McLeod Alum / bronze 11" (260571)
Driveshaft: Shortened with 1350 U joints
Axle housing: 1/2 Ton Truck, narrowed
Axle flanges: Large bearing early Ford 3.5"x2.375" 3.150 dia
Axles: Mark Williams 35 spline
Carrier: Nodular Ford 9"
Differential: Mark Williams full spool
Gear Set: Superior Gear 3.00:1
Clutch Linkage: McLeod hydraulic throwout bearing with Wilwood master cylinder
Shifter: Hurst Drag Racing H pattern with custom adjustable shift handle (Hurst VGate in storage)
Miscellaneous: Hurst Roll Control Linelock
Alternator: PowerMaster 100a internally regulated

Audio/Video Details:
- RIP -

Steering/Suspension Details:

Steering: Unisteer Power Rack & Pinion
Front UCA: TCP Mark II tubular
Front LCA: CPP Mini subframe w/tubular LCAs
Springs Front: 600 lb/in TCP Coil-over with 2" drop plate
Springs Rear: 5 leaf reverse eye
Control Arms: Grab-A-Track (upper relocated 1" lower)
Front Antisway: 1"
Rear Antisway: 3/4"
Front Shocks: VariShock single adjustable
Rear Shocks: KYB Gas-A-Just
Bushings: All polyurethane
Subframe Connectors: Competition Engineering
Traction Devices: Underride Traction bars (welded)

Wheel Details:

Brakes front: 11" 4 piston disc ( '67 calipers )
Brakes rear: SSBC 10.5" 1 piston disc ( SUM-BK1327-X )
Master Cyl: Manual dual bowl for 4 wheel disc setup
Prop valve: Wilwood
Wheels: American Racing Torque Thrust II 17x11 ( 5.25" BS )
Tires: Nitto 555 275x40x17 / 315x35x17
Slicks: Mickey Thompson 10x26 r15

Hydraboost power brakes
Painless wiring kit
Rear coilover conversion
Tremec TKO


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Points for The 401 Experience Total Votes Points for Coupevertible
49 23 66


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