Motoristo
Motoristo
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RX7 Build
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Latest news & features
The latest motoring news and features from around the web.
13 of the cheapest new cars on sale in the UK, and what we think of them
18th September 2025, 7:52am
The New Mitsubishi Eclipse Cross Tries to Hide Its Renault Roots
18th September 2025, 7:00am
Modern MotoGP is broken: here are five foolproof, brilliant ways to fix it
18th September 2025, 4:00am
Boeing Escapes With $3.1 Million Fine After 737 Max Door Plug Blowout
18th September 2025, 3:25am
The History Behind The Audi Logo's Four Rings
17th September 2025, 11:25pm
Tools
Corner weight calculator
Calculate your car's corner weights and cross weights using our easy-to-use calculator.
Drivetrain horsepower loss guestimator
Estimate your drivetrain loss and calculate your engine's wheel horsepower using our simple calculator.
Dyno correction calculator
Correct your engine's power output for different atmospheric conditions using our easy-to-use calculator.
Engine displacement calculator
Quickly calculate your engine’s displacement using bore size, stroke length, and cylinder count. Get instant and accurate results with our easy-to-use tool.
KW to HP calculator
Convert kilowatts (kW) to horsepower (HP) and HP to kW with our easy-to-use power calculator.
Power-to-weight calculator
Power vs. weight matters! Use our calculator to compare data and see which one delivers the best performance.
Supercharger pulley ratio and boost calculator
Optimize your supercharger setup with our pulley ratio calculator - instantly estimate boost levels, RPM limits, and performance gains for your build!
Torque to horsepower calculator
Use our torque to horsepower calculator to find your engine’s power output. Just enter torque (lb-ft) and RPM for instant results.
Turbo boost pressure calculator
Calculate the required turbo boost pressure for your engine by providing the engine's naturally aspirated power and your target horse power.
Vehicle speed calculator
Calculate your vehicle’s top speed in each gear by entering the gear ratio, engine RPM, and tire size.
Wheel & tyre fitment calculator
Visualise different wheel and tyre options by comparing the tyre size, wheel width and wheel offset.
Motoring features
Behind the barriers: 11 fascinating Nürburgring facts
6th January 2025, 9:26am
The world’s best driving roads
20th December 2024, 7:38pm
The Lister Storm: The Madcap Supercar of Dreams
18th December 2024, 10:07am
5 Reasons why we love the Mazda RX7
4th November 2022, 10:28am
The most iconic movie and TV cars of all time
4th February 2022, 10:54am
Our favourite retro supercars from the 90s
4th January 2022, 5:02pm
More features
More news from around the web
Riding In A Towed RV Or Camper Is Illegal In These US States
17th September 2025, 9:25pm
California Is No Longer the Most Expensive State for Gas
17th September 2025, 8:38pm
Damn, You Don't Even Get Truly Directional Wheels On A $500k Rolls-Royce These Days
17th September 2025, 7:25pm
Soviet Russia Produced An Off-Road Sedan Way Before AMC Or Subaru
17th September 2025, 7:25pm
'Get Off The iPad': Spirit Airlines Flight Comes Way Too Close To Air Force One
17th September 2025, 6:51pm
Porsche Is Still Committed To An EV Boxster And Cayman, Says It's Going To Be 'Really, Really Brilliant'
17th September 2025, 6:46pm
The Mazda RX7 FD Build Diary
Getting her on the road, or not
23rd June 2023
Replacing and upgrading the braking system
4th May 2023
Wheel stud troubles
3rd April 2023
Stripping out the Bose sound system
17th March 2023
Fitting a fog light with a reversing camera bonus
20th January 2023
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