T04Z On Rb26

[cul8er]

Hi guys I'm currently trying to source parts to build my own Gtr I want around 400kw at the treads and I want max response what size rear housing would suit my needs if I get a t04z I already have a t4 twin scroll Greddy manifold?

[Mick_o]

Ditch the T04Z if you want max response then mate. Are you gunna be on Ethanol? If so consider something a bit smaller?

[Sinista32]

TO4Z is way back in the day. Gives you a rush later in the RPM band.

If I was spending money on a single in the 400kw range, with response in mind, I'd be putting it down on a PT6262

[tricstar]

I have a TO4Z on a 2.8L and I couldn't agree more with the comments above.

[r32-25t]

Yeah been in a Gtr with a t04z and I wasn't impressed by it at all, turbocharger technology has come so far in recent times that there are so many better options now

[cul8er]

Thanks guys I just don't want to spend an arm and leg on this build with brand new parts

I don't like the idea of the ceramic ball bearing set up in the precision turbos is there a equivalent to the 6262?

I will be starting with 98 pump fuel then maybe changing to e85 down the track

[Mick_o]

Can I ask what you don't like about the ceramic ball bearings mate?

Could always run a JB version of it?

If I was you go straight on the E85 will save you money in the long run paying for 2 tunes and the performance gains of ethanol are EVERYWHERE off and on boost! It will hose a dirty petrol setup from idle to redline

[Dale FZ1]

^^

[cul8er]

I've herd in some reviews the ceramic ball bearing pt breaks up under heavy loads and use? Not true?

[Piggaz]

Never heard of that. Not saying it ain't true, but those sorts of issues become pretty well known damn quickly. What's "heavy loads"?

[zebra]

I believe early ones had issues...but that was years ago

and found by one guy

[cul8er]

Never heard of that. Not saying it ain't true, but those sorts of issues become pretty well known damn quickly. What's "heavy loads"?

http://www.turbodirect.co.za/site/index.php?option=com_content&view=article&id=778:inside-a-precision-6262-turbocharger&catid=26:beware-before-you-buy&Itemid=21

Have a read guys might interest a few ppl just want to know if this really does happen?

[Mick_o]

Thats old news Chris

Noticed your in Sydney plenty of E85 around here do yourself a favour and get your car on it instead of tuning it on petrol

[cul8er]

Ok so I've been reading up how does a pt6264 running on e85 sound

[SiR_RB]

6262 .84 twin scroll will suit perfectly

Should make 400kw at around 20psi on e85 fairly easily

[cul8er]

What would be better 6262 or 6266 for response ?

[Mick_o]

6262

[cul8er]

6262

Thanks Mick_o what size rear housing would u recommend for max response ?

[Mick_o]

.84

[cul8er]

Full boost about 4000rpm ?