dumped_ej1

alright im going to try to pick up a greddy kit for my d16z6. my motor will be pretty much stock besides injectors/fuel pump/ and tuned on uberdata. but ive heard from a couple friends that the 15g isnt that great of a turbo, after i get the turbo kit installed im planning on building the head and getting a crower stage 2 cam. so my question is will i fine with the 15g or what is a good replacement? im more interested in pretty fast spooling and having some nice top end(i hear the 15g has NO top end?) I drive mostly on the highway/freeway so i need the top end so i was just wondering what turbo i should replace the 15g with?

Hybrid96EK

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by dumped_ej1 &raquo;</TD></TR><TR><TD CLASS="quote">alright im going to try to pick up a greddy kit for my d16z6. my motor will be pretty much stock besides injectors/fuel pump/ and tuned on uberdata. but ive heard from a couple friends that the 15g isnt that great of a turbo, after i get the turbo kit installed im planning on building the head and getting a crower stage 2 cam. so my question is will i fine with the 15g or what is a good replacement? im more interested in pretty fast spooling and having some nice top end(i hear the 15g has NO top end?) I drive mostly on the highway/freeway so i need the top end so i was just wondering what turbo i should replace the 15g with?</TD></TR></TABLE>

Its a fine turbo, and it does have top end. Put it on, get the cam, run around 8-10psi and you should be more then happy.

97spooncivic

its a fun turbo, i just put in on my motor. but you should be boosting in 5th gear on the freeway anyway

Hybrid96EK

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by 97spooncivic &raquo;</TD></TR><TR><TD CLASS="quote">its a fun turbo, i just put in on my motor. but you should be boosting in 5th gear on the freeway anyway</TD></TR></TABLE>

Says who? Find a new tuner if this is a concern for you.

97spooncivic

it puts alot of stress on the motor. and what does somebody need to be going 140+ on the freeway for. save it for the track before you hurt yourself and/or someone else


o, just realized i forgot an 'nt' on my previous statement, i hope you got that

dumped_ej1

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by 97spooncivic &raquo;</TD></TR><TR><TD CLASS="quote">it puts alot of stress on the motor. and what does somebody need to be going 140+ on the freeway for. save it for the track before you hurt yourself and/or someone else


o, just realized i forgot an 'nt' on my previous statement, i hope you got that</TD></TR></TABLE> yea i got what you said, but dont worry i wouldnt do 140 anyways. im not even going to be on a freeway rarely so it dont matter, i mostly meant highway runs.

but back on topic, so you guys say that the 15g isnt too small of a turbo? im planning on running like 12(maybe 15)psi daily driven. i want a trubo thats powerful but doesnt take too long to spool.

and a greddy kit on a stock z6 with a uberdata tune shoudl have me around 180-190 WHP im guessing?

00bluslut

Hard to belive but a freind of mine put down 237 WHP with a 18G on his y8 and it was only at 7psi He beat my S2000 from a roll. I would say 18g is the way to go for Internal WG

. L 3 3 7 H X R

<FONT COLOR="red">[<u>COULD</u> you possibly please give us all a break and cut your friends a little slack here? I am getting sick and tired of explaining to people that, no, I cannot kill you just because you are impolite. -GK]</FONT>

dumped_ej1

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by 00bluslut &raquo;</TD></TR><TR><TD CLASS="quote">Hard to belive but a freind of mine put down 237 WHP with a 18G on his y8 and it was only at 7psi He beat my S2000 from a roll. I would say 18g is the way to go for Internal WG </TD></TR></TABLE> so will the 18g fit on the greddy manifold? im sure i wont have the greddy mani. for long but i mean are the flanges on the 15g and 18g the same?

well actually let me ask what are some good cheap turbos that would fit this manifold? i dont know really anything about turbo sorry guys but thanks in advance for all the help

97spooncivic

if your running 12-15 psi daily, i would suggest to get a bigger turbo

Hybrid96EK

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by 97spooncivic &raquo;</TD></TR><TR><TD CLASS="quote">if your running 12-15 psi daily, i would suggest to get a bigger turbo</TD></TR></TABLE>

For what reason? The 15g will be more then capable of 12-15psi daily.

97spooncivic

becuase if your donig 15 daily, what are you going to turn it up to at the track? 15 or more is inefficient for a 15g

Hybrid96EK

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by 97spooncivic &raquo;</TD></TR><TR><TD CLASS="quote">becuase if your donig 15 daily, what are you going to turn it up to at the track? 15 or more is inefficient for a 15g</TD></TR></TABLE>

Here is an idea...how about you also run 15 at the track? Think 15psi is pointless on a 15g? Keep reading and attempting to learn.

97spooncivic

no need to get emotional. it just seems illogical to run the same psi you would on the track as you would daily driving. maybe im wrong, i dont know.

its just that i herd 15 psi the 15g becomes inefficient
https://honda-tech.com/zerothread?id=644455
https://honda-tech.com/zerothread?id=336598




Modified by 97spooncivic at 7:28 PM 4/3/2006

Hybrid96EK

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by 97spooncivic &raquo;</TD></TR><TR><TD CLASS="quote">no need to get emotional. it just seems illogical to run the same psi you would on the track as you would daily driving. maybe im wrong, i dont know.

its just that i herd 15 psi the 15g becomes inefficient
https://honda-tech.com/zerothread?id=644455
https://honda-tech.com/zerothread?id=336598


Modified by 97spooncivic at 7:28 PM 4/3/2006</TD></TR></TABLE>

I'm not "emotional".. I'm getting somewhat aggravated by your random statements that make no sense. Is there some kind of written rule that says

"Thou shalt run less boost on the "Street" and more boost on the "Track" in order to be deemed as 'cool'"?

Edit: Did you bother to even read your own links? Lets see:

"Very untrue information.

The highest dyno numbers for the Greddy 15G is 260whp at 14 psi by yellowturbo on this board, and the highest boost dynoed was 16 psi by maddog20, who made 256whp. "

and in the first link, its someone who "thinks" the turbo dies off at 15psi. Joy. Speculation.. Because so many people actually KNOW what they are talking about around here, right?

dumped_ej1

well judging by the informaton in the last couple replies im thinking the 15g will do me good untill i get ready to build my block and start pushin 20+ psi? and yes since the closest track to me is like 2 hours away i WILL be running 12-15 in streert and track trims. although i may boost it up a bit for the track who knows.

00bluslut

15G
18G
Internal waste gate at 15+psi

dumped_ej1

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by 00bluslut &raquo;</TD></TR><TR><TD CLASS="quote">15G
18G
Internal waste gate at 15+psi </TD></TR></TABLE>

care to explain more?

oscarmayer

http://www.clanxvi.com/oscarma...p.jpg

9.5 lbs of boost on a hondata 3B with 270cc RC injectors @75% duty cycle and 50psi of fuel.

this was several years ago and was a daily driven car for 1.5 years before goign to 440 injectors and 14lbs of bosot making 248 wheel power.

greddy turbos are good turbos. they work well witht he D motor. the newer turbos are slightly bigger and do offer a slightly better top end advantage, but again this is a street car on a stock motor, reving "too much" more than stock redline is kinda pointless as it only ensures the motor will wear faster and maybe break sooner.

my new setup is much different and can go to 11k if I wanted it too. that's a fully build D motor and a different story.

00bluslut

Well with my 18G boost spiked and droped to often and boost levels never were consistant I loved the turbo, but the boost spikes were the reson I had to rebuild my motor.... But this was like 5 years ago in 2000-2001 maybe changes have been made since then...

dumped_ej1

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by 00bluslut &raquo;</TD></TR><TR><TD CLASS="quote">Well with my 18G boost spiked and droped to often and boost levels never were consistant I loved the turbo, but the boost spikes were the reson I had to rebuild my motor.... But this was like 5 years ago in 2000-2001 maybe changes have been made since then... </TD></TR></TABLE> oh, well in that case is there anyone running a newer 18g that can relate or contradict this? it seem slike it would be an awesome turbo if it werent for the IWG?

JDMTRSPORTS

Hey your Local bro im installing my 15g later this week ur more than welcome to come and roll by when we do it (Subtitle,TunedDC5)

Hybrid96EK

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by 00bluslut &raquo;</TD></TR><TR><TD CLASS="quote">Well with my 18G boost spiked and droped to often and boost levels never were consistant I loved the turbo, but the boost spikes were the reson I had to rebuild my motor.... But this was like 5 years ago in 2000-2001 maybe changes have been made since then... </TD></TR></TABLE>

No, poor tuning is the reason you had to rebuild your motor.. Its no fault of the wastegate. Either you didn't have the car tuned correctly, had the boost controller setup wrong, or another issue. I NEVER had those problems with my 18g kit when I had my 99 Si.

oscarmayer

^^ yup! i agree with that (unless you had a crappo deltagate or some other pos then you desirved what you got for being cheap )

dumped_ej1

k i got another question now, what do you think is better, using the greddy blue box or getting a street tune on uberdata?