Inside JUN Auto Japan

Processing that evolves camshaft

December 28th, 2011 by kei

We arrange many kinds of cam profile data to grind the stock cams to high cams not only for japanses car but for import cars like Porsche Alfa Romeo Ferrari BMW Runo R Lancia etc.

We can change charactelistic of engine by minimum modification to use accumulation of many cam profile data in stock.

If you want your engine more power by regrinding the original camshafts please dont hesitate to contact to us.

The new camshafts will be born by regrinding the stock cam in various engine from single cylinder engine to V 12 cylinder deasel engine.

Z33 3.8L 4WD

November 26th, 2011 by kei

This engine is one of impressive engines which we have ever made so far.

This VQ35DE engine is converted to 3.8L by JUN custom kit. Futher the car has TD05SH-18G x 2units for time attack. Also it has 2 units of throttles considering the specification of high response.

Of course the car is converted to 4WD. You know its very precious. The car will be maintained from now.

Tokyo Auto Salon 2012

November 14th, 2011 by kei

JUN place our booth in Tokyo Auto Salon in January 13-15 2012.

We exhibit R35 GTR turbine kit. Also performance engine components for old
sport car,

We meet with you about manufacturing of new parts and old engine parts.
We expect you to drop in our booth.

VR38DETT Engine block

October 25th, 2011 by kei

All of VR38DETT engine which used mid liner kit has blown.

We are researching the cause of this problem.

About JUN dry liner kit many engines have moved without any problem in the big power.

We are sure they are no probelm.

Futher more same spec of engine has been moved in our demo car with more than 850whp.
We are doubt there are big problem in the strength of the stock cylinder block.
But not decision yet.

We are trying to find out the cause of blow with our best.

R35GT-R GT3076Rx2 Turbine kit

October 22nd, 2011 by kei

R35GT-R GT3076Rx2 Turbine kit

It completed it.

JUN R35GT-R demonstration car

October 21st, 2011 by kei

JUN R35GT-R demonstration car

It is a test of a new turbine kit.
It is 870ps now.
It is JUN4.0L short block, JUN short head, JUN serge tank, and GT3076Rx2.
The injector is 100% in the first setting already.

The rate and the injector, etc. at the waist gate will be changed in the future, and, in addition, power is shown.

The photograph is R ‘s meeting of the Fuji speedway.

A new turbine kit was paid to attention.


Engine kit (4.0L) of JUN exceeded 1000hp

July 14th, 2011 by kei

It taught from the customer in Britain.

Europes 1st 1000bhp R35 GTR and most powerfull on JUN 4.0 Stroker and greddy turbo kit

1011.4 BHP

The machine setting is a bang-up job.


Turbine kit of R35GT-R

June 27th, 2011 by kei

A large turbine kit is developed.


Hereafter, the exhaust manifold will be produced.

It is strongest GT-R to aim.

Tested car Z34

March 28th, 2011 by kei

It is Z34 of JUN.

It will develop in the future.
The camshaft is put on the market first.

There is no damage.

March 12th, 2011 by kei

Thank you for worrying.

There is not damage even in processed goods, parts, and machine tools kept from the customer either.