Question about 1988 Nissan 300ZX

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Performance Hello i have a 300zx turbo and she runs great,but i want to start to re-dew parts of the engine for more power and performance,ware should i start first? Shaun from cleveland ohio

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  • GOD SPEED Oct 31, 2008

    Thanks a bunch your awsome man.GOD SPEED

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A new car? I"M KIDDING!!! Haha! I'm sorry... I am a certified Nissan Scope Technician with over 10 years in a Nissan dealership.

These cars were kinda built "doggy" due to emissions regulations out at the time and it's a heavy car for what it is...

The first thing I would do is put a bigger turbo with a front mount intercooler and larger fuel injectors on this vehicle for more performance. The block is pretty much bullet proof to upwards of 350 horses...

I've built one of these cars that runs 10.50's in the quarter mile at 120+/- MPH...

Posted on Oct 29, 2008

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Posted on Jan 02, 2017

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My saab 95 1.9 tid revs fine in neutral when put in drive and pull of there's no power won't go above 3000 ram any ideas


HI Derek.

There are a few possibilities that come to mind.
3K RPM is generally about the break-even point for when Turbo boost would kick in. There is a dump valve on the turbo system that opens up and vents the extra turbo pressure under high-rpm situations where the boost isn't needed - say high but steady speed on a freeway. If the dump valve system is malfunctioning, then that anticipated turbo run-up in power won't happen.

Revving fine when in neutral may not tell you much, other than that the engine can rev. The gating system will (or should) run differently under load - whether climbing a hill or accelerating, this is where you want the turbo boost to give you the extra power. THat's where the exhaust gate should stay shut, or mostly shut, to allow the turbo to force more air into the pistons.

You might want to check whether the APC (Automatic Performance Control) for the turbo has a separate fuse. (The name might be different on your model, I'm remembering from my 80s/90s era Saabs). If the fuse is blown, that could also lead to lame performance, especially as I'd imagine that the system would be built to fail or go to full open if the APC fails or loses power - that'd keep people from having run-away power that they can't manage.

Hoping this helps

D

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Replace fuel pump om 1990 nissa 300zx


Sort of.
There should be a relay that provides power to the pump when you first turn the key on.
Then once the engine starts power is provided by way of the oil pressure switch. That way the pump won't run in an accident.
The oil pressure switch grounds the fuel pump relay on some models.

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Cheapest ways to increase horsepowers on my 1993 Nissan 300zx Non Turbo besides replacing old air filter. Will remapping my ecu do the job or not much?


The cheapest way to get some increased horsepower out of your vehicle is the change the plug and wires to an upgraded aftermarket, also change the cap and rotor is your vehicle has on again after market performance. Those are the cheapest way, remapping the ECU could cause you issues with other parts in your vehicle.

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Is the turbocharger expensive to replace? Can the car run if the turbo is not working?


Yes, replacement can be pricey. The engine is de tuned to allow for the pressure of the turbo, so without one you will not have much performance.

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Saab 95 2002 3.0l v6 turbo. when warm, starts to


Have you had your mass air meter checked or replaced? This is the unit attached to the air intake hose behind your air filter. It senses the air temperature, speed, density, etc... and adjusts the fuel/air ratio to keep the vehicle running at "peak" performance. Also, check your TPS (throttle positioning sensor) it can also cause the problem you speak of. The TPS adjusts your engine speed/idle etc. and also compensates for hot/cold changes etc. This is roughly a $35.00 part and in most cases usually an easy fix.

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Have a 1984 300zx, non-turbo two seater. 124K


its running very RICH !!!! TOO MUCH GAS!
check the air fuel mix & the air filter!
it needs a good tune up!
& get the injectors either cleaned or replaced
the fuel injectors from the factory are renound for leaking & setting fire to this model!
you can buy aftermrket injectors that eliminate the this

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1 Answer

Message ' Reduced engine performance'


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I might have a solution. I have the same problem. I just got an 09 accent and I think it is going to be a great project car to performance up but have problems finding parts because it is so new. I found a company that can help us with our problem. They are called KFX Performance, it is a specialty company for Korean aftermarket car parts. The only problem the representative told me, which you can get his info. on the website, is that they are having trouble bringing out the parts because I believe he said of either patent or demand problems. He did state that soon they are going to put the parts on sale. When I talked to him on the phone I stated that they would have plenty of people buying their parts because of the growing accent community, So do me a favor and help me spread the word so we can get some good parts going for this car, I am with you on the performance thing. The representative stated that in the future they are going to bring out the headers and possible turbo kit, I know nice. They offer headers now for a 1.6L engine but it is for the 06 Kia Rio. He told me to go to a Kia dealer and find out if the 06 Rio and the 09 accent share the same engine set up, if they do then I can be gold for a custom header job or I can just wait until they come out for the accent. He did state that just with their headers that they offer now you can get 9hp and if you get a high flow cat you can get another 9hp as well, very nice and with a AEM short ram intake that is a great start. Let me know what you think.

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1 Answer

2006 VW NB convertible 5 sp manual oil requirements


What engine do you have? If you have the 1.8 turbo engine, you absolutely need to run synthetic - the 1.8T engine is known for oil sludge issues, and running synthetic will stem that a bit. You'll still have sludge issues, but they can be held at bay. Use synthetic oil only, and do a treatment with SeaFoam (available at parts stores) every third oil change, and you should be fine.

Now, just because you need synthetic oil, does not mean you need to pay $13/qt for it from a dealer. Mobil1 synthetic is excellent oil (I used it for years in my 500+hp twin turbo 300ZX), and it's on the official Audi list of approved oils (Audi and VW are part of the same conglomerate). It runs less than $5/qt. Get Mobil1, and your oil filter, at the parts store, and change your oil at home - it'll take you 20 minutes or so and save you a bundle.

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