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If i do decide to upgrade the turbo it will be a GT35R .82 w/ported shroud like the 3076 i have now. Love the sound of it spooling :(

Also might see if i can get the collector cut off the manifold and have a split pulse one welded on.

It is a difficult choice, as the response VS power of the setup now is insane.

It may not be as simple as cutting off the collector and welding on a split pulse collector as the runners would need to grouped in such a way that each exhaust pulse fires into the correct side of the split pulse collector i.e. based on the firing order of the engine, each alternate exhaust pulse must fire into the opposite collector - otherwise high exhaust back pressure in the collector will be the result. Therefore, you would need to examine your firing order and exhaust manifold runner layout and firstly confirm this.

Edited by juggernaut1

if it's still the original stainless manifold it isn't going to be an easy job to get it split properly. Its one with around 80mm of steel sheet between the merged runners and the flange so probably more dollars in custom work than it's worth. You'd basically have to remake half the manifold.

Even with a 6 boost or etm you'd have to chop off the merge collector and redo a fair chunk of manifold to get a decent result.

Is that the one softy was telling me about?

How does it go up macpass?

id love to hear what you think as ive got the gt3566-82r here waiting for my supra

New workshop looks the goods!

Mate call up GCG and talk to them about a 66mm front fan :thumbsup:

thats the one, drove it for the first time today on 5 psi, went well. might wind some more boost in tomorrow.

i just put a gt37r on a supra, you know you want to. do it. :/;):P

How did it go? we have a built jobbie with gt40 on it, customer underestimated the setup and injectors ran out @ 425rwkw i reckon low 500's @ reasonable boost. I only ask as i have a 2.5l (from gizzmo elecronics) soarer here also with a gt40 and i reckon the 37 would have been better.

How did it go? we have a built jobbie with gt40 on it, customer underestimated the setup and injectors ran out @ 425rwkw i reckon low 500's @ reasonable boost. I only ask as i have a 2.5l (from gizzmo elecronics) soarer here also with a gt40 and i reckon the 37 would have been better.

Got a graph by any chance?

  • 2 months later...

Been a while so here is an update.

The GT3076 has been pulled off and will be replaced with a GT3582.

The new turbo has the new .70 surge slotted comp cover and .82 housing in single entry.

Had a nice oil catch/breather can custom made, with Speedflow fittings and braided lines snaking their way to new RB26 cam covers with Hi Octane Racing cam cover baffles, should keep the high RPM oil splashings at bay :)

The 26 covers were powder coated by "Craved" from CRAVED COATINGS, turned out very nice indeed!

Also have a Trust clear timing belt cover that will have to be "modified" so the VCT has room.

On our recent trip to Japan i picked up a Tomei Trax 2 way diff which ill be sending to Award Diff and Gearbox for them to work on.

Another tune is planned for the end of this month, should make around 420kw+ at the rears.

Gearing up for another big Powercruise in Feb. Cant wait to hand it to the big boys :)

That is excellent mate, feel free to share some photos when you can. I think I have to plan a Japan trip for some parts reconnaissance, so jealous after looking at those photos.

Good luck.

Post up pic's when you modify the cam gear cover :) I have RB26 covers on mine at the moment but left the RB25 cam gear cover on, it aint a perfect fit, but it aint that bad. Was thinking of getting a RB26 cam gear cover and modifying it.

You just going to cut the hole so the VCT sticks out a bit?

Edited by PM-R33
good sh1t Dave...wick her up mate. My car is coming back with me when i return at the end of the month...Powercruise is in Feb. eh?

Get in on it Paul. Nothing better than flying past blokes with engines sticking out of the bonnet.

Post up pic's when you modify the cam gear cover :) I have RB26 covers on mine at the moment but left the RB25 cam gear cover on, it aint a perfect fit, but it aint that bad. Was thinking of getting a RB26 cam gear cover and modifying it.

You just going to cut the hole so the VCT sticks out a bit?

Yeh have to get a small hole cut in the front of the cover, being clear plastic it shouldnt stand out hopefully.

yes and yes.

looks like you'll kill me on the straights though.

are there corners?...im out :)

might have to contact Peter at Fuel Control and get him to organise a 205ltr drum of CSR's finest to be delivered to us at the track.

Edited by DiRTgarage

Nathan/Dave, call me about supercruise :)

also Dave why the rb26 covers? Usually gtst owners just put the rear gtr badge on and leave it at that :) .....I'm expecting you to say something about oil control here

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