Piggaz

You want to run a 71 mm GTX front fan and have it squeezing out a 28 series peanut ass end with a small wheel? Keep adding compressor, it's the answer to everything! Whatever happened to air in AND out? Talk about a mismatch. Maybe just run GTX 2876's. Compressor map says yes, right?

Box mout gone payment pending.

That's a 40 mm. The Turbosmart 38 mm are 2 bolt flange.

There was a decent comparison between a 6266 and 8374 on a 3.4 L 2JZ. Compared both turbos on a Full Race manifold and a HKS manifold. Pete is looking at going at going from the 6266 to the 8374 on his 3.2/ V cam setup. The tuner involved after quite a lengthy discussionis confident that not only the 8374 would out preform the 6266 quite significantlywith low end grunt, but has made mention that a 9180 wouldn't give away anything to the 6266 low end but would give more top end. The aim is low end twist sub 5-6 K so it looks like the 8374 will get the nod. Work isn't done yet so don't have any logs.

Surge tank paid for.

The car in the above video went between your precious -5's to a 8374 on a 3.0. With logs off the Motec it was reaching target boost 5-700 RPM earlier (which is consistent with other people that have gone between them), fell back onto boost between gear changes in 1/3rd the time of the -5's and made more power everywhere. I suppose Matty is too busy winning tarmac rally events to worry about posting up logs online "proving" the setup to the internets.

It's all good to show logs to compare between different cars and engines but how do you account for the possibility of - Different capacity - Different fuel - Different gear ratio's/gearsets - Different compression ratio - Different tyre size - Different cam timing and on and on. Wouldn't it be better to compare between the two different setup's on the same engine, that way most if not all of those potential variables are eliminated? How can you draw a comparison between a 2.8/-5's and a 3.0/8374 for example? But a comparison on the same car that has gone -5's to the 8374 (which in this case are the two setups in question) is almost disregarded? Not everyone cruises around with a laptop in their car either.

Emtron KV8 (there is a 12 and 16) was like $3,200 GST inclusive. $880 for a patch look so you don't hack up your OEM loom. I would like to think not long but it also needs time for ECU install. That's tuner dependant. We all know how it is. Lol. 8 weeks perhaps? At a guess. https://emtronaustralia.com.au/shop/category/product/?catid=1&prodid=1 emtron link...

I like my passenger floor not to be filled up with "add on boxes". Lol. Emtron was developed by Scott at Insight. For what it can do it's very reasonably priced... And no need for extra boxes! The Blackbox wouldn't do a couple things that I wanted it to do. Great piece of gear though.

I didn't say anything. All you needed was a drive.

Don't you have -5's to sell... Or something?

I'm Toey as ever. Can only do what I can do mate :(.

4.0 inch

I said jokingly "is there anything else you'd like to measure." that was the answer. It's all got to do with measuring what the turbo is doing.

Time for an update. due to time constraints and the ever looming beer bottle, the car got taken to Grim Performance at Hornsby to get the exhaust done amongst a whole heap of other stuff. - Exhaust completed. - Individual EGT on manifold. - Post turbine EGT - Exhaust gas pressure sensor - Pressure and temp pre and post compressor. - Rear subframe has been out. All bushes have been replaced including diff bushes. - Nismo GT Pro diff has been turned down to soft. Cranky unit! - New steering race has gone in. Car slipped off a jack and busted a nob off. To be done. - Install and plumb fuel system with -10 Teflon braid lines. - ECU change. Blackbox is gone, Emtron KV8 going in. - Airbox. - Strain gauge for sequential. - Install V cam. - Tune. Ive had the Step 2 264 at 8.7 mm cam (WTF am I gonna do with a fairy penguin 8.7mm of lift) reground to something that's a bit more aggressive. Not sure of the exact grind yet but I will know soon enough. Something around 265-270 with 10.2-10.4 mm of lift. Dump pipe. Mid muffler section. Rear diff section. Gate merge. This photo looks funny. The merge looks very sharp but it isn't really. Must be the lighting.

Well no one can really answer that for a few reasons. - What is the deck height? - How thick is your head gasket? - Are your pistons valve relieved? - Have you decked the head? Seeing that they're only baby 8.7 mm of lift one would assume quite far. The baby v cam with 8.6 mm of lift swings a total of 30 degrees so 8.7 mm with + 6 should be fine.

CRD.

Good to see you got something back, Petey!

Surge tank gone payment pending.

The springs that are in the gates are 16 psi. Minimum boost is 19 or so. The Spring chart that Tial give seems a bit off.

Here is Nicks sheet. 8.9:1, RB 30, 8374 1.05, 260 poncams. Timing on the gears is +1 intake, 0 exhaust. Boost is 25 through the middle and purposely pulled back to 23 psi up top. It's also been held back a tad through the middle. There is definitely more left in this but a few kms needs to be put on it, see what Nick wants and a few touch ups/"customisation" made. EASILY on 500 RPM earlier on than -5's as a comparison. I won't repeat myself with how it drives, I'll sound like a broken record. the tuner tried advancing the intake cam to +6 degrees on the intake and all it did was come on SO early it introduced surge. It's not very often of the cam timing having to be relaxed because the turbo is on TOO early! He said this combo on the street would be VERY hard to find. It is the most responsive and torquey GTR he has ever tuned. Maybe he hasn't tuned a stroker/-5 combo ;). He also said if the owner wanted he would like to see a 9180 on it and advance the cam a bit and it wouldn't give away too much. The Dyno sheet doesn't give any real world indication of how well this thing drives! So more power down low, extra 40 up high, better transient, and smoother delivery with more left in it. Standard position low mount twins in the bin, EFR for the win!

Just a general observation over the years with people going down this path. The results with guys jamming these newer style compressors into the GTR bolt on housings never quite perform as well as the results with using the original Garrett GTX housings. Could be purely coincidence though.

Piping kit gone!

Roger that!