Which is the best fuel injector for the 300ZX?

Which is the best fuel injector for the 300ZX?

Nismo 740cc injectors are considered the “gold standard” for the 300ZX. They are the only direct-fit injector that is manufactured at 740cc, all others are redrilled at the time of this writing, which means the Nismo 740 is more reliable and consistent.

Is the 370cc fuel injector the same as the 555?

When brand new, the 370cc injector is a slightly lighter tint of purple, but they darken quite quickly after installing and, without seeing them side-by-side, are almost identical visually to 555s.

Why did I replace the fuel injectors on my ZS?

Now, it’s no secret for those familiar with ‘90s Zs that the fuel injectors are a common failure point. However, I replaced the fuel injectors during the original overhaul of the car. Surely one hadn’t failed in the 3,000 miles since then. Checking the injector’s resistance.

What kind of fuel injector does the Z32 use?

Fuel injectors vary widely by a car’s make and model. This article primarily concerns itself with those found, of course, in the Z32. The Z32 uses high-impedence, side-feed fuel injectors. New fuel injectors ohm test at approximately 11.4 ohms.

What kind of fuel injectors do Turbo Z31s have?

Turbo Z31’s come with 259cc/min fuel injectors (at 37psi working pressure) from the factory. There are two styles of fuel injectors to go along with the stock rails used on the VG30ET. The early engines (84-85T and 84-86NA) had top-feed fuel injectors, and the later engines (86-89T and 87-89NA) had dual/side feed style injectors.

How manyrwhp can you put in a injector?

You will need to shave the injector connectors down slightly to get the stock connectors to fit; be sure the connectors are held securely to the injector. These injectors will get you to well over 400rwhp before they are maxed out.

What are the part numbers for dual feed injectors?

The part numbers are 17521-V5220 for the left fuel rail and 17522-V5220 for the right fuel rail. This will convert your side/dual feed injector (2 hoses to each injector) system to accept the top feed injectors.

Can a side feed injector be converted to top feed?

This will convert your side/dual feed injector (2 hoses to each injector) system to accept the top feed injectors. The truth is you can find replacement side feed injectors that are larger, but you will spend a year looking for them and then probably have to buy them new for $90 each.