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Would you guys be interested if I added these fields to your user profile? I'm looking at migrating our old garage system soon as well for those of you with multiple cars.

The write-up BRAAP did was pretty good and thorough, but it basically says what I wrote in post #14. It is stil worth reading, though.

If you want to read up on the stock EFI system. There is a guy Paul goes by the name Braap on hybridz did a great write up on it. http://forums.hybridz.org/topic/95316-braaps-l6-efi-induction-advice-and-tips/?hl=braap Enjoy. I did. Chas

Hello everyone. I make sacrificial anodes for a living. Anodes are used in a variety of applications. Much of the information shared in this thread is incorrect. However, as someone who has designed, installed, and understands anodes, as well as a fellow car enthusiast, I can tell you that you can't use anodes to protect your cars. Anodes rely on a consistent electrolyte to function correctly. The corrosive environment on a car doesn't offer that.

Yes the P90 has better quench and the runner design was improved over the N42. Does it make it worth all the extra work to use it on a street driven car? I would think only if the N42 is in worse shape than the P90. Changing to a P90 head because it breaths better and keeping the stock EFI is not going to give you any real noticable hp gain. You still have the intake, throttle body and AFM restricting everything. The Turbo intake, the P82 will flow a little better than the N/A intake, but you still have the stock ECU holding you back. If you change the EFI for carbs. A four barrel won't be all that much of an improvement. The L6 runs lean on cylinders 1 and 6 and rich on 3 and 4. The old SU's or tripples would be a better alternative. That would give you the freedom to modify the engine a lot more. To add to your reseach above. The 280ZX came with the N47 in the early days up to about mid 1980. Cheers Chas