Fred's 1998 C34 Nissan Stagea 25X Four Wagon
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Author:  Fred [ Mon Jan 22, 2018 12:23 pm ]
Post subject:  Re: Fred's 1998 C34 Nissan Stagea 25X Four Wagon

Took it for a WOF today and it failed on a few things, and got warned on a few more:

1) left tie rod play
2) front pads all but gone


3) mufflers dodgy/leaking
4) tyres have camber wear
5) exhaust mount broken - trip to pickapart sometime soon

Things I noticed:

1) Rust in bonnet and a few other places appearing
2) ATF leaking underneath, not sure where from, but this is ending up on the exhaust, hence smoke on a few driveway climbs - maybe out breather under heavy load from expansion?

So aside from the immediate ones, I'll need to architect and build an exhaust, or part thereof, to fit this car. Therefore 3" is going in, hopefully fairly quietly. Got 6 months to sort the minor stuff out, including that.

Author:  Fred [ Sat Feb 10, 2018 4:31 am ]
Post subject:  Re: Fred's 1998 C34 Nissan Stagea 25X Four Wagon

Got it a WOF some days ago, and have begun planning the new 3" turbo-ready exhaust that needs to be completed inside the next 5 months or so.

First up, my OnePlus 3T with cover is 153mm long and 77mm wide. Why? Read on.

Rear muffler available space measured by super accurate cell phone dimension fractions:

1 length + ~3cm depth/height at rear = ~183mm
3 lengths long = ~459mm
2 lengths + 0.5 widths wide = 306 + 38.5 = ~344.5mm

Under subframe clearance measured the same way:

1 width + ~1cm = ~87mm, only need 76mm so this is ample without affecting clearance or risking heat damage.

No measurements on the middle muffler or catalytic converter area for another muffler and a resonator/coby, respectively, yet.

Plan is to do minimal joins/welds and start the 3" part as rearward as possible. The muffler WOF man complained about is the middle one, though, so it's going to get most of an exhaust.

I'll probably just put a 3" size flange onto the stock exhaust up in front of the middle muffler and post catalytic converter and have it step up there or something like that.

Goal is as quiet as possible for the space available with no restriction for later RB30DET use.

Author:  Fred [ Tue Feb 13, 2018 12:14 pm ]
Post subject:  Re: Fred's 1998 C34 Nissan Stagea 25X Four Wagon

Middle muffler, which actually failed measures:

length x width x height
350 x 250 x 100 offset/centre config (centre at rear, offset at front)

But the car could accommodate:

400 x 350 x 125 max same config

There's a stainless steel glass packed perforated in that config in this size:

330mm X 230mm X 100mm which is smaller than stock.

But I'd prefer to go up in size, or stay the same, not go down.

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