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Took the seats out of the 350Z today, and moved the car into her (my mother) backyard, out of the way for her winter driveway access Have to cut a section of the harness for each seat tomorrow Power, heater & SRS broke the pass seat switch, bent the bracket - seat was behind the car & I backed into it Thankfully, I didn't damage the seat itself Cut off the rail standoffs 2 rivets & 2 spot welds for each leg Assuming these elements are for crash protection - I may want to add them back Put some paint on the ground-down areas, to protect it for now

I haven't tested any of the manifolds, but I'll go out on a limb and say that you will not notice any difference at all. And if there is some minuscule difference, you would only be able to pick it up on a well tuned dyno with multiple runs. That said, I've heard the same thing about the N36 manifolds. And if I've heard it and you've heard it, then probably lots of other people have heard it too. The point of that is... If you switch to the N36's, you would be able to say things like: "Lots of people say the N36's flow the best of all the intake manifolds, right? That's why I put them on my car." So, I'm clearly not providing any technical expertise on flow characteristics, but I CAN tell you that you would use the same thick phenolic spacers you are currently running with your E36 intakes. I can also warn you about one potential pitfall... If you are running coolant through your E36's now, you will have a problem with the N36's because they have a hole on the face where the carbs mount that will leak of you run round tops there. I suspect you are not running any coolant through your intakes currently, but thought I would bring it up just in case.

Swapped out the ProTunerZ rail today. Old one in foreground Easy swap out. Injectors stay put. 2 -6 AN fittings and the 2 hold downs on the intake. Countersunk the first one (hand cut, no chatter or burrs) ProTunerZ didn't want it back. Oring seats properly now (in the old one)

Supposedly, the N36 intake has up to 10% more air flow than the E46 intake (can measure the opening to the carbs and see the difference). Like CO says, not sure how much upside there is to using them, but I have read the same positive take on using them. I have the N36 on my Z.

Actually thinking about it a little more, I think you could put your round tops on the N36 without a coolant leak. There were coolant holes in the previous intake manifolds for the 3-screw round tops in 72, but they gave up on that idea and ran coolant direct into the carbs starting in 73. I don't think there are holes in the carb mounting face of the N36 manifolds. There are "teats on a boar" holes in the back side of the carbs, but no matching holes on the manifold side. So you're back to being able to say that you have the best flowing intake manifolds installed. If I had the manifolds off for some other reason, I'd put the N36's on just because. Not sure if I'd go through the trouble just to switch, but if you had it apart for other work as well.

thank captain, I do run the coolant and never thought about the leak from the n36. may just leave well enough alone than!

I was just properly defining the words. You can't have a good debate if people use the wrong words.