260DET

Some useful info there Chickenman, will look for alternative valve covers for the LS3 but exactly why should you always run a PCV valve on a competition engine? For one the air/fuel ratio is crucial, introducing pollutants to the mixture is crazy, it can only reduce performance or lead to engine damage with no advantage. The whole idea is to allow the engine to breathe and so relieve internal pressure, that pressure will always take the path of least resistance which should be to vent it into a remote can, by the time it gets there it's cooled down and the suspended 'oil' will precipicate (sp?) out and accumulate in the can. Last time mine was drained there was no oil as such, there was mixture of water and what looked to be a light weight fluid derived from petroleum, stuff that you would not want in your engine believe me. My engine runs as clean as, no doubt the Accusump set to open at 45 PSI has helped keep it in good nick, may this situation continue.

Yes, not the ultimate historic race Z but sure to bring more than I'd care to pay, high pose value in the pits though.

My LS3 has three vent hoses from the factory outlets into a large well vented catch can, no PCV valve. I'm certain enough to believe that these engines accumulate oil in the heads, higher volume oil pumps only make this worse. Seeing that I don't have any problems this aspect has not been a priority but with the RB engines a oil scavenge pump under the valve cover and switched by the ECU worked well and made a significant difference to oil pressure data readings.

NVH is Noise Vibration Harshness. It's all relative though, depends if we are talking race car or street car.

Link don't work for me but Newman raced several Z cars.

Hard use in hot weather or racing, should not need one otherwise.

No idea but sounds like something interesting is coming up.

Not a phone video, I am disappoint.

The race rules for my Z require a barrier between the cell and the driver, which does not have to be an enclosure if the cell is under the floor. My cell is foam filled to retard any fire or explosion and the tank is liable to shear away if it got a really big hit. Other than safety the big thing to me is the influence of fuel weight on the C of G, I'm anal about mounting components as low as possible, circuit car of course.

The few examples I have seen pics of made me wonder how well those tubular fronts are attached to the original body to avoid a flex point. At least some of the attachment points should run well back into the body eg through or under the rocker panels.

Putting fuel cells into the rear cargo area is fairly common but i think is a terrible idea from several aspects. My fuel cell is slung under the floor supported by two home made straps, the only problem with that idea is it interferes with any future diffuser. Because race car.

Nissan was the featured make, first time for a Japanese brand which is pretty cool. A bloke from our club went to the US for this and competed in a (borrowed?) Datsun sports. Unfortunately they would not accept my V8 Z entry ☹️☺️

Yeh I'd try higher temp rating pads and remove the backing plates first.

Yep, you'll have to make a decision ☺️

4L80E behind your LS. Two things to look out for, the first one concerns the transmission mount, mine was done using a stock type mount which involved cutting into the semi circular body reinforcement which I was not happy about. A suitable custom mount would avoid this but involve some work, worth it in my opinion. The second thing concerns the oil cooler fitting out of the trans, it was left to rub against the tunnel, a very slight bit of relieving will fix that. Mine is a right hand driver if that makes a difference.

Can't see the point in a dual exhaust unless it delivers more power which seems questionable, my LS3 engined circuit race Z31 will roll with a 3" single, less weight and complication.

Like the vents, just happen to have the same pair on my Z31 racer project car.

Yes, update required. Now!!!!

Around here it seems like every second race car has RPF1's, they are one of the lightest wheels around for any money.

The latest version of Susprog caters for the Holden (G8) front suspension? Looks like it.

If I was thinking this there would be two viable options. One, transplant a suitable suspension from another car or, two, get a suspension program that allows you to explore in a practical way what does what. Unless it can be done geometrically on paper a good program is the only real option for this DIY stuff. When designing the trailing arm lateral links rear suspension for my Z31 project a double wishbone (think about it) program was used, no way would any alternative method be considered.

That blue Z treatment looks great, the important thing is that the wide wheels appear to be an integral part of the design, on the other hand the extra wide flare versions look like someone has decided on wide wheels and then later tacked something on to cover them.

Hard to go past the original race cars, particularly the rear quarter. Some of the detail is not that great but the over all shape, mmmmmm.

LOL Love it.

Nice work, opening up those vents helps cooling considerably. With mine a angled flap was placed in front and the rest left open, cooling problem gone.