Erik’s Time-Warp Datsun 240Z

Posted by - April 17, 2013 - 2
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If I have a blind spot in my appreciation for JDM culture, it’s cars from the 1970’s. Show me something from 80’s and 90’s and my brain will instantly fill with useless facts and figures, along with a plethora of mental images of modified examples of the car in question. But show me a 1973 Datsun 240Z and nothing happens. That was until I was introduced to Erik Jonasson’s car, which not only redefined what I expect from these earlier JDM performance cars, but also ignited a passion for the era when Japan was still looking to Europe and the US for automotive inspiration, rather than leading the way.

The original 240Z went into production in 1969, and combined elements of Jaguar E-Type and Chevrolet Corvette styling to produce a quick, attractive and affordable coupe that undercut and outperformed rival car of the period. The original car, whilst undeniably sporty in appearance, suffered from the classic 70’s combo of narrow body and tiny wheels, at least by today’s standards.

Driving to shoot for Farmofminds from Club JDM on Vimeo.

To get around this, Erik has both flared the arches, and fitted over fenders, adding a massive 13cm to the overall width of the car. To tackle the wheels, a set of old-school SSR Star Formulas were shipped off to a specialist wheel shop to be suitably enlarged to match the wider stance. Despite only being 14” diameter rims, they are 8” wide at the front and 10” at the rear, both with huge offsets to give the car a really deep dish look.

The chrome trim was another popular 70’s feature that quickly came up for deletion too. The rear bumper was removed in its entirety and has resulted in a much cleaner and cohesive back end, especially with the addition of the IMSA style ducktail spoiler. The chrome front bumper, window frames, wing mirrors and door handles have all been stripped and painted in black, which has allowed Erik to keep the original features whilst making the car look an awful lot meaner.

The car is currently running a donor engine from the later 280Z, which despite comparable power outputs in stock trim, allowed the retro-fitting of various 240Z engine parts to create a higher compression ratio and therefore more power. No area has been left untouched in the upgrade, which included balanced conrods from a 240Z, a ported and polished head for better flow, stiffer valve springs, 274-degree Schneider cams, Weber carbs and uprated intake/exhaust manifolds. Keeping all this cool is a 3 row Griffin aluminium radiator and a DSG oil cooler mounted on the front bumper to continue the retro JDM look.

All this extra power (and sound – just listen to the glorious, gargling engine in the video) necessitated a lot of body strengthening to avoid the chassis flexing unnecessarily under load. To achieve this, Erik welded the entire body and fitted a reinforced floor, along with a set of front and rear strut braces to keep flex between the suspension mounting points to a minimum. Mated to a set of custom coilovers and full polyurethane bushings all round, Erik has ensured the 240Z can perform as well as it looks.

Most JDM classics on the scene these days run many modern parts, and a lot of the better known 240Z’s out there are little more than a bodyshell with S14 running gear and 1JZ or RB25 engines. Erik has gone down a different route and worked primarily with period parts to create a really tough looking Z that stands out just as much now as it would have back in the 1970’s.

1973 Datsun HLS30 240z

Engine Mods:

-balanced engine (Inine 6: from the 280Z L6 P54)
-L24 conrods
-flathead pistons
-planed and polished, ported N42 head
-stiffer valve springs
-3 x Weber DCOE 45 with steel braided fuel hose
-WALBRO fuel pump
-MSD 6Al-2 Digital + MSD coil Blaster SS
-Mangoletsi intake
-Sneider stage second 274-degree camshaft
-5-speed gearbox
-ACT Clutch 6p and pressure plate Roadracing kit
-Fidanza aluminum flywheel – 4,8kg
-R200 solid mounted differential
-6-1 Header + stainless exhaust system with a full-flow dampers
-2×2″ tailpipes
-Griffin 3row alu radiator 12″ with Mishimoto fan
-front mounted oil cooler with steel braided hoses

Chassis Mods:

-fully welded body
-reinforced floor
-Info Design aluminum control arms
-alu steering rod
-custom coilovers welded in
-control arms front / rear
-promoted shock absorber towers, adjustable camber
-polyurethane bushings
-TME strut brace front, custom rear
-SSR wheels (Speed Star Racing) Star Formula, custom
-front 14×8 +15 Toyo 185-60-14″
-rear 14×10 -47 Toyo 195-55-14″

Interior Mods:

-sport seats
-Takata 4-point racing harness
-Momo Mocca steering wheel
-Momo pedals
-Nismo shift knob
-Nardi shift and brake boots
-electric windows
-Z-Logo cloth mats
-Pioneer USB MP3 CD
-Denon amp under the passenger seat with 20cm computer fan, Jbl front system

Exterior Mods:

-broader 13cm rear + flares
-widened fiberglass front fenders
-black fiberglass front bumper
-removed rear bumper
-deleted side indicators
-JDM fender mirrors
-clear glass headlights
-EUR / JDM taillights
-CM carbon lip with stainless steel rods
-mesh grill
-painted window frames and handles in black
-IMSA wing – riveted
-home forged tow hooks front and rear
-280Z 77-78 air intake in the hood

1 Comment

  • Cade February 9, 2015 - 6:43 am Reply

    Biggest influence for me right here.

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