TWS Motors (Formerly The Wedge Shop)
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 Clint Cooper's 1977 Triumph TR7 Coupe (Turbo Rover V8)
12.5 @118mph 1/4 mile (time slip) - old motor 14psi  | 394WHP 399WTQ @ 13 psi | Weight 2370 lbs (scale pic) | 132mph roll race 1/3 mile Racemotive Event

YouTube Video Playlist
Engine - 394whp 399wtq (Dyno Sheet) @ 13psi 
3.5 lt Rover V8 (3.9 late model block w/ custom 3.5 liners, 3.5 crank)
Forged JE 8.5:1 pistons
Stock 3.5 Rods
TWS CNC Ultra Heads 14 bolt
TWS Head studs
ARP Rod bolts
ARP Main bolts
TWS Performance Cam Kit (solid flat tappet B-2314 .15 edm hole)
Cometic Head Gaskets - .050 thickness
160* Thermostat
TWS Alternator Bracket w/ GM Alternator
TWS Alt adjustable turnbuckle
Meziere Electric water pump
TWS heavy duty motor mounts

Crank driven timing cover w/ remote oil filter housing

Turbo (13 psi low setting / 18 psi high setting)
Turbonetics Garret to4e 60 trim .58 A/R O trim T4 w/ 3 in Vband 
1 PTE 46mm external wastegate (12 psi spring)
1 Tial 50mm BOV (12 psi spring + 2 shims)
Eaton N75 Boost Controller
Intercooler core size 18"x12"x3" | Overall 25"x12"x3" 2.5" Inlet & Outlet | 3" Core
PTP T4/T3 Turbo Blanket and PTP Lava Exhaust  Wrap

ECU & Ignition
Canems standalone ECU tuned by TWS
36-1 Trigger wheel pickup
Ford Gen 1 Coil Packs w/ HT leads (Part # 6823318)
​NGK BPR8ES gapped to 24
​AEM UEGO Failsafe AFR/Boost Gauge
3 Bar Map Sensor - GM Part # 12223861

Exhaust
Custom headers (Range Rover Stock 4.6 headers, flipped L&R)
Custom 3" mandrel bent exhaust & downpipe
Vibrant 3" muffler

Fuel & Intake
Fully ported 3.9 Intake plenum (shaved ½ in) w/ 45mm trumpets
Bosch 430cc injectors (0280155968​)
Bosch 044 Pump w/ dual inline 100 micron filters in custom surge tank
Aeromotive Adj Fuel Pressure Regulator (set 43.5psi @ idle)
Custom Sending unit
-6AN Fuel feed and return lines

Front Suspension
Anti dive spacers
1” sway bar
TWS coilovers w/ Eibach springs (10"Lx2.5"Dx250LB)
Full polyurethane bushing set
GAZ adjustable strut inserts (softest setting)
TWS Wilwood Big Brake Kit - Cross Drilled
SSBC Inline Proportioning valve w/ gauge
TWS Strut Brace
Alloy hubs (4x95.25)


Rear Suspension
TWS adjustable tubular links
Full polyurethane bushing set
Eibach Springs 10"Lx2.5'Dx300LB 
QA-1 TS601 Shocks (3 setting)
TWS Lower Control Arm Braces

Drivetrain
TWS Spec Late Model LT77 Suffix G Trans w/ metal pump gears
Aluminum Lightened flywheel (16lbs)
Centerforce pressure plate & clutch disc (10.5 inch)
TWS Short Shifter
TWS narrowed Ford 8.8” 3.27 gears w/ Disc Brakes
Trickflow Axle Girdle
Poly Shift Bushings

Exterior
Jongbloed Racing Series 214 3 piece Wheels (Group 44 Wheels)
15x7 Front and 15x8 Rear (4mm spacers all around)
Front 205/50/15 Azenis rt660
Rear 245/40/15 Azenis rt660​
Euro Spec fiberglass bumpers front and rear
Fiberglass Hood
Fiberglass Trunk
Hella H4 Conversion Headlight kit w/ LED Bulbs
​LED Rear Tail Light Kit
Picture
Picture
TWS Motors LLC - Fast.British.Reliable. - Est. 1990
144 W Britannia st, Building 25, Taunton, MA 02780  [email protected]  tel 508-880-5448
TWS Motors LLC Copyright 2025
  • Catalog
  • About Us
  • Technical
    • Forum
    • TR8
    • TR7
    • Land Rover
    • Rover V8
    • Technical "How To"
    • Random
  • Services
    • Services
    • Cars for Sale
    • Engine Build Quotes
    • Used Parts Request
    • Core Motor Quote
  • Gallery
    • Car Photo Gallery >
      • Customers Gallery
      • Customer Builds >
        • Chris Duerden
        • Commonwealth Classic
        • TWS Stage 3 TR8
        • Kevin Turner
        • Zack Torman
        • Troy O'Doherty
      • TR7/8 >
        • TR8 Coupes
        • TR8 Convertibles
        • TR7 Coupes
        • TR7 Convertibles
        • TR8 Interior Patterns
      • Group 44 Race Cars
      • Works Rally Cars
      • Rally Cars
      • Janspeed TR7V8 Turbo
      • Buffum Rally Cars
      • Ian Wilson Rally Car
    • Car Shows >
      • Open House 2024
      • Racemotive 2024
      • TWS Gathering Shows >
        • TWS Gathering 23
        • TWS Gathering 22
        • TWS Gathering 21
        • TWS Gathering 19
      • TRF Summer Party Shows >
        • Roadster Factory 16
        • Roadster Factory 12
        • Roadster Factory 10
        • Roadster Factory 09
        • Roadster Factory 06
      • Stowe British Invasion >
        • British Invasion 24
        • British Invasion 23
        • British Invasion 22
        • British Invasion 21
        • British Invasion 19
        • British Invasion 18
        • British Invasion 16
        • British Invasion 15
        • British Invasion 14
        • British Invasion 13
        • British Invasion 12
        • British Invasion 11
        • British Invasion 10
        • British Invasion 09
        • British Invasion 08
        • British Invasion 07
      • Carlisle >
        • Carlisle 25
        • Carlisle 10
        • Carlisle 09
        • Carlisle 08
        • Carlisle 07
      • NEC 2014
      • Dobson 2014
      • Dobson 2010
      • British by the Sea 14
      • British by the Sea 13
      • British by the Sea 08
      • Berkshire Motorcar Festival 12
      • Tanglewood Motorcar Festival 11
      • Maryland British Car Day 11
      • Day of Triumph 07
      • Day of Triumph 06
      • Mitty 2009
      • Watkins Glen 08
      • Sandwich, MA 07
      • Lime Rock Vintage 07
      • Lime Rock 06
    • Videos >
      • TR7/8
      • BAD 8
      • YouTube Page
    • History/Articles >
      • Magazines
      • Brochures
      • Advertisements
      • Triumph History >
        • Company History
        • Triumph TR7
        • Triumph TR8
        • Rover V8
    • Wedge Wallpaper
  • Contact Us