1990 MX5 1.8 6-speed conversion. NO RUST! For Sale
1990 Eunos Roadster
Originally built in 1990 and imported to the UK in 1997, this early Eunos Roadster boasts an incredibly solid, rot-free bodyshell, along with a very desirable and carefully executed conversion to the later Mk2 1.8 engine, six-speed gearbox, 3.63 ratio Limited Slip Differential and larger 1.8 brakes with braided HEL lines throughout.
History: Uniquely for most imports, this early Eunos Roadster (MX5) has an extensive history file going back to when first imported in 1997. This includes old MOTs, service history and garage invoices going back over a period of nearly 20 years.
MX5s are notorious for suffering from rust and corrosion, but judging from the car’s history folder, MOT history and general condition, this appears to be an unusually solid car.
I bought the car in 2017 from my girlfriend, a time-served engineer, who had run the car as a daily driver. Whilst the car was extremely solid, it had previously been resprayed poorly, in the wrong colour white.
I then spent nearly £2000 having the car resprayed professionally in the original factory shade of Crystal White. At around the same time the original 1.6 engine developed a rod knock, and the gearbox became noisy. Hence we saw the opportunity to make this into a very special car.
The car sports a 1.8 BP4W engine which was removed from a 10th Anniversary Mk2 MX5 with documented service history. This engine produces in standard form 140BHP and coupled to the Jackson Racing sports exhaust and stainless decat pipe really scoots this little car down the road.
A compression check shows that the engine returns: 170, 165, 165, 170 Psi across cylinders 1 to 4. The engine has just been serviced with a new timing belt, water pump, spark plugs and oil and filter change, ensuring it’s ready to go for the new buyer.
We coupled this engine to a Mk2 six-speed transmission and 3.63 ratio limited slip differential. This absolutely transforms the car, and makes it accelerate faster than the old 1.6 as well as cruising at motorway speeds much easier.
Unlike many 1.8 conversions (which use a hacked about 1.6 engine management), a complete 1.8 engine management system from a Mk1 1.8 MX5 was utilised. This means no chopped and spliced looms, no adaptors and an engine map which works perfectly with the engine.
Under the bonnet, all wiring and brake-lines have been discreetly “tucked” to clean up the engine bay. A set of stoney racing silicon hoses and an alloy radiator ensures the car stays cool and reliable. An OEM Mazda strut brace is fitted to sharpen up the front end feel
A rare, red dashboard, door cards, and carpet set from an R-Limited MX5 were sourced and installed along with a red leather gear gaiter and red door tops. It’s a striking combination which always receives compliments.
A Sony Bluetooth head unit is fitted along with upgraded door speakers and a Mk2 windbreak with integrated speakers.
OEM switchgear provides control of the electric door mirrors and the fog lighting.
Gleaming and glossy, the crystal white paint contrasts nicely with the refurbished gold Mazdaspeed MS-01R alloy wheels which wear brand new Uniroyal Rainsport tyres. Gold Eunos side-stripes add a tasteful flair to the side of the car.
The car sits slightly lower than standard thanks to TEIN lowering springs which were fitted new in 2018. Coupled to standard dampers it’s a pleasant combination which doesn’t crash and bang like a lot of aftermarket setups.
At the front, the original badge has been deleted and the bumper smoothed to allow a fully legal, reflective stick-on number plate. OEM optional Mazda fog lights sit on the grill opening which are correctly wired via the factory fog lighting loom.
The vinyl roof is in excellent condition with a clear rear window. There are no holes, no leaks and the rear window unzips as it should. When the top is down an exceedingly rare red tonneau cover continues the theme of the R-Limited interior
A Zoom racing alloy fuel filler cap adds a touch of cafe racer style, whilst at the back, the necessary fog lighting has been incorporated into a modified tail cluster
I have a degree of flexibility regarding the price, although please no silly offers! I would also consider a trade/swap for an MGB of similar quality.
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