Why would this result in a fuel pressure drop? The APS TT system utilises a 4 bar pressure referenced fuel reg, fuel pressure will always be 4 bar plus boost pressure

The cyl head has only 2 studs locations per exhaust port so with respect you are wrong.

The return oil will ALWAYS be higher than the oil pan level, this is one of the reasons why APS designed a high flow air cooled oil pan, to ensure a continuos safe and reliable oil supply

OK I understand and appreciate your point though I believe engine tuning without years of mapping experience is fraught with danger and most guys would struggle to develop a map yet alone a safe performance map without the aid of an expereienced engine tuner with a true load based dyno

Are you 100% sure about this and where did this information originate from? There are many who claim to utilise Genuine Garrett Ball Bearing Turbos though in many cases this does not prove to be correct

Thanks

Peter

 

Peter,

I don’t mean to argue with you on your TT kit, you definitely know it better than anyone on the forum.

However, I would like to point one thing out in your reply, and that is the cylinder heads do have 4 studs/bolts mounts per port, you can see this in a lot of pictures posted on the internet and also can see this on the GReddy install manual and also the “APS” installation manual on page 10 point 2 under Exhaust Manifold Mounting Studs – DIAGRAM – EMA/01 and I quote

“Install the short threaded end of the stud (Item 74) in the indicated (diagram EMA/01) hole in the LHS cylinder head. Check the correct fitment location by temporarily holding the LHS exhaust manifold in position. The stud (Item 74) should protrude through the extended mounting boss on the exhaust manifold, immediately ahead of the turbocharger mounting flange”

If the cylinder heads only have 6 mounting studs location on each cylinder head, why did APS installation manual mention that the installer should pay attention to the location of the mounting studs?!! Furthermore, please refer to the attached picture from the GReddy manual.

On the Ultimate Racing kit using a Garrett Ball Bearing turbo, I don’t think its necessary to question their integrity. We are all here to understand the 350z better and the products that are available in the market for the car.

Thank you,

Az

 

[QUOTE]Originally posted by aalzuhair
Peter,

I understand you're not intending to argue the point and neither am I, just wating to make sure that the facts are correct, that's all.

I believe that the exhaust manifold gaskets are made to suit both the left and right hand side cylinder heads, in other words Nissan produced one exhaust manifold gasket to suit both cyl heads, this is why the diagram shows 4 bolts per port when in actual fact only 2 studs/bolts are utilised pe port (6 bolts per exhaust manifold, does this make sense to you know? Seems to me that the greddy pictures/info is incorrect as you can't fasten the exhust manifold to the cyl head with 12 bolts.

The APS manual states to pay attention as there are 6 studs to tighten, a normal instruction to provide no matter how many studs there are to fasten. I can assure you that there are only 2 bolts per exhaust port (if you get a chance have a look at a cyl head for confirmation) and you're confused as you're looking at the exhaust manifold gasket which had been made to suit both cyl heads, hence the 4 bolt pattern

I'm not questioning any persons integrity (just attempting to clarify the facts posted previously) it's my belief that the UR product does not utilise GENUINE Garrett Dual Ball Bearing Turbos as STOCK equipment in their turbo system, if i'm incorrect I apologise in advance.

Thanks and I trust this clarifies the issue.

Peter

 

for crying out loud.

you can use 4 exhaust manifold studs per cylinder if you wish. From the factory only 2 per cylinder used, but there are in fact 4.

aalzuhair knows because he installed his turbo kit, Peter.

Did you ever install one of yours?



who cares, anyway?

 

but i think peter may have won the other one....

Unless that big "T" means garretT



ALSO... those do not look like Tial 38mm to me... so maybe the pictures are of their prototype and the retailed kit is a little different... cause if you look here

http://www.ultimate-racing.com/Produ...TurboKit.shtml

they do say garret GTs and tials.

It does seem weird to me tho because I thought all the garrett GT in that size range had an internal wastegate, but i could be way off on that I rarely bother with Garrett GT turbos... but if they were internal than whats the point in the twin external.

 

Yes Charles, those are not Tial 38mm, those are HKS 40mm standard external wastegate. As to the turbos I have promised Ultimate Racing that I will not comment on the turbos beyond what they have posted or have published on the Internet.

Thank you,

Az

 

I stand Corrected though only 2 studs per exhaust port are utilised on the Factory manifold and what's with the aggro attitude?

Thanks

Peter

 

phunk it's not about ''winning'' rather more about accurate product information for forum members.

You'd be very unhappy if you thought you were buying a product with GENUINE Garrett Dual Ball Bearing Turbos only to find out after the purchase that some other older technology turbo had been supplied in the turbo system (no disrepecct to the other turbo manufacturer intended).

A GENUINE GT series Garrett dual Ball Bearing turbo is a more advanced turbo design (far stronger and can cope with much higher boost levels with quicker spooling response) and the cost of the GT series turbo is much higher than a conventional sleeve bearing Garrett turbo.

If you're paying around 8k for a turbo system then you'd want to make sure you're getting what's being represented nothing more nothing less.

Thanks

Peter

 

I can vouch that they do use Garret GT's on all their kits. They also use the TiAL gates now as they are a bit less costly that HKS but perform every bit as good.

 

just thought it was a pointless debate, because either truth makes no difference of significance.


EDIT: Post deleted. Not worth the drama.


Thanks for clearing it up, Z1.

 

Well that's certainly not a Garrett dual ball bearing turbo in the pic that phunk posted, so unless they changed over recently to the Garrett GT series turbo your information would be incorrect.

How can you vouch/verify the fact that they are now using GT series Garrett dual ball bearing turbos?

Thanks

Peter

 

Well phunk actually the TRUTH does make a huge difference..............approx $2000 difference!

Surely consumers/forum members are entitled to know what they are getting for their money.

In this particular instance the DIFFERENCE is approximately $1000 per turbocharger, given that's there's two turbos in any twin turbo system I'd say that $2000 is a huge chunk of money!

I've seen people all over the planet claiming to utilise Garret dual ball bearing turbos (GT series turbos) and in many cases this proves to be incorrect, that's the only reason that I questioned this issue in the first place.

Clearly the picture posted is NOT a Garrett dual ball bearing turbocharger.

Thanks

Peter

 

If you follow the posts, you will see that when I said "either truth makes no difference of significance." was in reply to your "and what's with the aggro attitude?" which was in reply to my post about the exhaust manifold studs... in which I am sure you will agree does not approximate a value different of anywhere near $2000.

 

Because we are their largest dealer in the US...that's how I know The picture is the mock up of the kit they did on their own car over a year ago

 

Mnay thanks for clearing up the the issue, this all makes sense now

Peter

 

Closing thread...
Before it gets out of control