Option — Shōwa Car Tuning & Buyers Guide (2000 Edition)

This JZA70 Supra has been extensively restyled: a Bugatti EB110-inspired grille in the bumper and pop-up headlamp units with four round lamps. It was built by B Mark Power, a Yokohama, Kanagawa shop whose main business is computer tuning. The engine-bay work shows they also have strong mechanical expertise. The 1JZ is often considered weak at high rpm, but with porting and fuel… [continues].

Along with porting the combustion chambers, high-lift cams suited to the T04R were installed. The result is a power unit that pulls cleanly to its 8,000-rpm rev limit. Boost begins to rise at 4,500 rpm and reaches full boost at 5,000 rpm. This highly responsive engine is competitive in both drag racing and top-speed runs. The 80-series Supra and GT-R are good choices too, but deliberately building an ultra-fast 70-series Supra is a stylish alternative!

A70 Supra

The four-lamp headlights that define this car are original parts. At present they are still a prototype, and it will take time before they become a product.

For power and sharp response…

An HKS T04R turbo is docked to the 1JZ… .

The red Sparco bucket seat (Pro 2000) and Safety 21 six-point roll cage stand out in the interior. Trust auxiliary gauges and a fire extinguisher show this is a serious build.

…that’s the way!

The engine is a ported 1JZ with HKS 264/272-degree cams and a T04R turbo. Boost is set to 1.5 bar.

BMARK PWR

Brembo brake kit visible behind the OZ wheels. Because this car is heavy, increasing brake capacity is an essential tuning step.

…it becomes…

B Mark Power JZA70 Turbo… [caption fragment].

sparco

BOUT WORIS

EXPLOSION

MIYAMOTO

brambo

ICORSESCENTER

Cooperation: B Mark Power (no storefront; accepts individual computer-tuning consultations), 03-5364-5630.

Option — Shōwa Car Tuning & Buyers Guide (2000 Edition)

About this issue

Page 142 — English draft translation