TwinTurbo.NET: Nissan 300ZX forum - Very impressive times, it is fun isn't it....despite the
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Subject Very impressive times, it is fun isn't it....despite the
     
Posted by SirpriZ on August 24, 2005 at 8:49 PM
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In Reply To Aiding in my quest for 10s...... posted by BOOZTD 3 on August 23, 2005 at 09:41 PM
     
Message derisive comments from some of our more *track* minded members. You asked for some feedback, so I'll give you some: 1. I'm not familiar with your turbos, but you probably have some more power to be had out of them (safely). Find out where the turbos start pumping heat (that will be your safe HP limit boost wise). On the dyno, you will see very little HP increase as you turn up the boost, as you exceed the efficiency of the turbos (ie. If you turn the boost up from 23 to 24 and only see a few HP, you have hit the limit of their efficiency). Better yet, if you know someone that is technically familiar with the turbos, they may already know what the efficiency is. 2. Get your car aligned for a drag race set up. You will sacrifice some handling, but it can make a big difference at the strip, as you don't 'scrub" your tires down the track. You want to square them up, with minimal negative camber front and rear, and about a total of 1/4" of toe in the rear, about the same or less in the front. 3. Find your most efficient shift points. This can result in significant gains if you are shifting way too early or too late, based on the shaft torque of your set up in each gear. I believe that it is covered in the FAQ section. I also have a great article that explains how to figure them (your optimum shift points) out in each gear, using your dyno chart. If you want a copy, E-mail me your address and I'll send you one. 4. With high octane gas (the best fuel that I'm aware of for our cars is VP C-16, it's made for turbocharged cars with a motor octane rating of 117), you can run a shitload (that's tech talk for an abundance) of additional timing. More spark advance results in cooler exhaust temps. and reduces the chance of detonation because of high boost. However, it increases the detonation tendency due to the earlier firing of the spark, therefore you have to run the high octane fuel. Check it out on the dyno, a whole bunch of power is to be made as you advance the spark.....make sure you have ALOT of octane. Other than that you must be doing alot right based on your ETs, MPH, and 60' times. Continued success, Mark

     
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