Specification and history of Wendy's Top Fuel Harley Davidson
This bike is a brutal beast , and in basic concept, fairly simple: A massive engine, to which huge quantities of lethal nitromethane fuel are pumped. Huge power and torque is transferred to the super sticky slick by a slider clutch - no gearbox! No clutch lever on the bars, the levers are for front and rear brakes.
Of course the details are far from simple, and our long experience of tuning and repairing Harley Davidsons has come to the fore in selecting the best components from around the World, to be combined with parts engineered here in Bristol.
Riding a bike like this is not for the faint hearted: Nitromethane pushes an engine to the limits and beyond, sometimes resulting in spectacular explosions. No wonder then that Wendy wears a bomb proof vest over her leathers!
Bought and rebuilt in 2007 by Wendy Clutterbuck. Prospectively running into the 7's on a diet of 95- 98% Nitromethane.
Crankcases: Delkron CNC machined.
The Harley Davidson 'Big Twin' Top Fuel drag bike nearing completion outside the Tim Blakemore Racing shop in Bristol.
Crankshaft: S&S with McClure rods
Pistons: Hawaya Racing Inc with 'Total Seal' rings.
Camshaft: Andrews with Rivera pushrods operating Black Diamond valves.
Fuel System: Kinsler mechanical injection.
Fuel: Nitro methane, over 1 gallon per 1/4 mile run.
Ignition: Dyna Super Pro 4000HD.
Onboard data acquisition: Racepak V300SD.
Transmission: High gear, slider clutch/jackshaft.
Chassis: Full chromo constructed by Zannetec Motorsports.
Brakes: Alien Wavy Race disc (available from us).
Rear Wheel: Ex Brain Johnson Kosman.
Rear Tyre: 11" Goodyear Eagle® Dragway slick.
Paintwork: TJC Design
The Tim Blakemore Racing TF Harley is sponsored by Rock Oil, Rock Oil products available from stock in Bristol.
Wendy's Story:
I have been around the sport of Drag Racing since the 70's! At the time we lived in Canada where my Dad, Steve ' Bear' Clutterbuck, raced at the local Drag strip in Edmonton Alberta. We always went along to watch and help out, although I'm not sure how much help I actually was at 5 years old!
Wendy launches the Tim Blakemore Racing/Rock Oil sponsored 'Big Twin' based bike at Shakespeare County Raceway.
We moved on to build the next bike using a 114ci Harley Evo 'Big Twin' with an 11" slick, which I eventually had a go on at Santa Pod Raceway in 2005.
Wendy gets some heat into the rear slick on the old Sportster based Top Fuel bike.
I decided after a decade of crewing I wanted to race and bought our old Sportster back at the end of the 2005 season. I spent all winter getting it ready for the track, completely rebuilding the engine and bringing the whole bike up to date.
I went on to win two consecutive Top Fuel Championships in 2006 and 2007, & runner up in 2008, making me the first female in History to ever win a Nitro title on a motorcycle.
I decided to move up another gear and bought and rebuilt the 114ci Evo. I haven't had much track time with this machine as of yet, and after a few teething problems with the fuel system caused a serious lean out, torching both sets of cylinder heads!
Originally built by Steve 'Bear' Clutterbuck in 1993. Bought and rebuilt in 2005 by Wendy Clutterbuck. Running consistent 8.70-8.90 @ 150mph on a diet of between 94 - 98% Nitromethane.
Originally built by Steve 'Bear' Clutterbuck in 1993
Engine: 1979 XL Sportster
Crankcases: Standard Sportster
Crank: S&S with S&S 'Supreme' con rods
Pistons: J.E. with 'Total Seal' rings
Camshaft: Leineweber L7 operating chromo pushrods and Kibblewhite valves
Fuel System: Hawaya S&S Super B Nitro carburettor.
Ignition: Dyna Super Pro 4000HD.
Transmission: High gear, slider clutch.
This is what it is all about, another souvenir for the Blakemore Racing Trophy cabinet.
Chassis: Al Smith chromo
Rear tyre: 9" Goodyear Eagle® Dragway slick.
Paintwork: TJC Design
All parts used in these bikes are available at our shop in Bristol or by mail order, call Tim or Wendy too discuss your Harley Davidson tuning requirements.
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