Turbo Upgrade

405

Asked by Apr 09, 2009 at 01:26 PM about the 1991 Nissan 300ZX

Question type: Car Customization

i have a 91 300zx twin turbo. the induction system and engine are mostly stock with the exception of upgraded boost hoses. i want to upgrade my turbos. how far can i go before i start getting into trouble.

2 Answers

10

my best advise for you... exhaust, intake, upgrade sidemounts or front mount, and jwt chip. need to do the support mods before going for the turbo's. I had a 90 TT with those mods and believe me the car was insane... it's all about the tuning and using what you have.

1 out of 1 people think this is helpful.
75

As the other poster wrote, you do need to do some supporting mods before upgrading the turbos. How much/many depends on how big the new turbos will be. Since you're having to ask this question, do not go with a front mount IC. Our engines are created so that they run almost as two separate 1.5 liter engines; therefore two sidemounts work best. You also then don't need to worry about cooling issues and how to run piping. Get a POP charger. That's pretty much everyone's first mod, and not too expensive. Get an underdrive pulley, and a HI water pump pulley is a nice addition to that to make sure you don't run too hot then (you can get that from "Bernie (NoVA)" - contact into at the bottom of this page: http://www.yugobernie.com/inventory.html). Then get a nice exhaust. You'll have to upgrade to larger injectors and upgrade your chip - I recommend JWT. Replacing the turbos requires pulling the engine, so you might want to think about other stuff you'd like to address while it's out. Good luck.

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