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introduced. I was in the market at that exact time and did a sh*tload of
research, but there is one thing that's different since then... people have
the Sport 700's now. When I was looking, I probably would've been one
of the first and there were no charts, timeslips, feedback of any kind. As
a result, I went the way of the GT2530. I've had mixed feelings with
them, but if you take the time to read this, I think it'll help your decision.I put the GT2530's on my car and first ran it on January 27th, 2004.
With the Specialty Z old style split flange downpipe, the turbos spool
incredibly well and make plenty of power. June of 2004 I had one crap
out on me. Sent it to HKS for inspection and it was determined that it
was their fault, so they repaired it and sent it back to me. After doing a
little research I came to the conclusion that there have been *some*
issues with these turbos in the past, but most problems were resolved
and it was rarely an issue anymore (honestly, I think my car used to eat
turbos on a yearly basis because it was hungry). I blew the engine
overboosting (melted a wastegate line, my fault entirely) and was forced
to rebuild... so I chose to do it with aftermarket internals. Wiseco
pistons .030 over and the thing was fast as hell. Just did a compression
test on that engine the other day (I hate this part) and it came back
100psi-150psi. Way lower than spec (NEVER use Midwest Machine for
any engine work), but the car was still fast with these turbos. I bought
myself a great condition TT yesterday, and the GT2530's are going in
this car as soon as I can get them out of my old car. On to other peoples achievements with these turbos. Based off
Z32Racing.com, the 2 fastest recorded and logged street 300ZX's in the
country are running GT2530's (Dean and Greg). Ash was able to pull
over 700rwhp out of a GT2530 car with the help of a little nitrous. Sport 700's = GT2530 with a .86 AR instead of the .64 that HKS uses, but
you can get the GT2530's with a .86 AR straight from HKS if you wanted.
They'll make more power, as a result (larger AR = more airflow), but
with the downside of a little more lag. For the price comparison, the Sport 700's are a little cheaper, but don't
let websites and vendors fool you. Haggle the GT2530's to $3,650.
They're still making a profit, there's a HUGE markup on these turbos
(keep in on the DL, LOL). Boost Solutions used to sell GT2530's at that
price, and I got mine from my vendor at that price, so if you go that
route, do your best to get that price. Beats the hell out of $4,200. There
is still a few hundred saved going with the Sport 700's though, so if
you're tight on cash and there's something else you want to do, I'm sure
you're not going to notice too much of a difference with Sport 700's. In the end, whatever decision you make is going to be the right one.
They're both incredible turbos, based on the same design, similar flow
rates, close in price, potential, and output, and both ball bearing. I hope
I didn't type my damn fingers off for this only to have you not read it,
but if you did, I hope it helped you make your decision. Good luck and
happy boosting.
==========Sig Begins Here========== my favorite reason for a post being deleted:
Private Message from the Admins or Moderators
The moderation staff has deleted your message uh oh... I'm gonna put my flame suit on posted on 09/19/2004 at 12:17 AM in the General forum for the following reason: be nice to the newbie
"That's what you get living in ghetto Oak Lawn. (n/m)" - ANDY J 02:35:30 11/13/03
"he has the green orb of immunity :( (n/m)" - Spee 18:52:43 11/16/03 "we're anal like that. =) (n/m)" - ZEngineer 12:47:56 02/10/04 
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