Vortech G35: NICOclub Project G35 gets boost!

[AZhitman]

Here's a complete review and installation guide for the Vortech supercharger kit for NICO's Project G35 Coupe.

Special thanks to:

Frank at Vortech SuperchargersTony at UMS TuningJason at DesertFuel.org / Rotorimp FabricationKevin Mech (kmech here on NICO)

SuperCharger Installation

[Jacko3]

Azhitman:

Excellent post! The beginning of your write up---first few paragraphs, about your G-35 finally vindicates a lot of the things I have said here on this forum over the past few months about the G-35's reliability, handling, and so. Many had disagreed with me and I thought i was just being a little over exuberant about the car (of course i am, sometimes). Now, I feel really good about all the stuff I have said.

Most of all, the advice you provided in the install will be a valuable resource for me when I get ready to install my vortech. Thanks for the write - up.

[Kenrik]

Only 220 WHP stock??

is it an Auto?

[audtatious]

No, it's a 6MT. 220whp is close to a 20% driveline loss.

[Kenrik]

But the 2003 - 6mt Coupe is 280 hp not 260.. The sedan was 260..

??

[rn79870]

280 x .8 = 224. That's in the range.

BTW, Greg, that was anexcellent write up. Very good job.

[Sentientbydesign]

280 x .8 = 224. That's in the range.

BTW, Greg, that was anexcellent write up. Very good job.

20% loss on a 6mt is still seems kind of high. Most of the dyno slips on dragtimes.com for stock rev ups are in the mid 240s. There is only an 18 hp difference between them and the 1st gens. It would seek that 10-15 HP gets lost in translation.

[audtatious]

Looking at the dirty engine I would take a stab that the car probably needed some tuning after 60k miles

Bad Greggie

[Beancooker]

Awesome write up Greg. I'll bet she's a lot more fun now.

[Kenrik]

I have done some research and found that stock G35s pull from 225 - 250 whp on the Dyno..

With Gregs mods it should have pulled much higher then what he got...

It must be those heavy *** 20" wheels... I remember a thread saying it project G35 was only getting 14.5 in the 1/4th?

[audtatious]

Something like that.

As I've said before, some mods simply do not add hp like they claim. Dyno numbers can be manipulated and it's hard to really determine if something really adds 5-15hp or not between dyno runs.

[RED_DET]

This was well over-due. Good Job!

[audtatious]

It's your turn next

[joe603]

Greg, very cool. This is my next mod...I just need the fundage. If you guys are looking for another test mule...maybe for the REVUP engine, look no further

[audtatious]

If you guys are looking for another test mule...maybe for the REVUP engine, look no further

Look no further than my G37?

[joe603]

No way you'd get "authorized" for FI on a brand new car!!!

[AZhitman]

I have done some research and found that stock G35s pull from 225 - 250 whp on the Dyno..

With Gregs mods it should have pulled much higher then what he got...

It must be those heavy *** 20" wheels... I remember a thread saying it project G35 was only getting 14.5 in the 1/4th?

Magazine tuning is a far cry from real world numbers. Stock 03 G35's won''t see that kind of numbers (unless they're "corrected" figures).

First off, my 20's weigh the same as my OEM 18's. They're forged.

Second, if you'd read, you'd see that wheels have no effect on a chassis dyno as they're 6 feet away from the car during testing.

The Kinetix plenum may partly be the culprit, as well as the OEM clutch with 67K miles, or the fact that I'm only seeing 7psi, rather than the 8-8.5 I should be getting. Possibly belt slippage, or again, fubar clutch.

[Andy_V35Sky_350GT]

Yup, all dyno's I have seen (and I have seen a few) show that 03-04 Skylines typically rate around 210 HP at the wheels. I got 225HP at the RW with a Nismo exhaust (no dyno before).

Excellent right up, I know this has probably been asked a dozen times but how much does the Vortech typically cost? The stock ECU had no issues with the extra power?

[Kenrik]

I

Yup, all dyno's I have seen (and I have seen a few) show that 03-04 Skylines typically rate around 210 HP at the wheels. I got 225HP at the RW with a Nismo exhaust (no dyno before).

Excellent right up, I know this has probably been asked a dozen times but how much does the Vortech typically cost? The stock ECU had no issues with the extra power?

I have seen the kit for around $4300..

You're looking at 5K with a Utec & injectors.

[Andy_V35Sky_350GT]

Is it the V1 or V2?

They only seem to have V2 on their site for around $6k and boasts alot more gain then what PG got, so I'm assuming its a different kit?

[G_whizz]

You lucky SOB!!

Really good and thorough write up too Gregger..

Look forward to hearing about her next few track days

[aukword1]

congratz man ....

[AZhitman]

Is it the V1 or V2?

They only seem to have V2 on their site for around $6k and boasts alot more gain then what PG got, so I'm assuming its a different kit?

I got the V2, and it can be had for less than $6K. Check with Frank for exact pricing...

[jspec603]

Nice write-up Greg. I think you will find you can get much more out of you VQ once you ditch the FMU and Split Second box. We've done about a dozen or so Vortech installs on G's and Z's at our shop here in NH. Some of our customers have stayed with the Vortech fuel solution, others have opted to upgrade. We've had alot of good luck running the Greddy EU or AEM F/IC along with injectors and a 255 pump. We've seen some pretty high gains, and boy is that a fun car with a bit more power! We also use a Dynapack to tune with, it's a great piece of machinery. Here's a plot from one of the G's we've done. It's running the Greddy EU, injectors and a Walboro 255. He also has the 2.87 pulley and cams. This may not be the best example because this is a fully built motor. On stock internals we don't push the cars quite as far. This is a daily driven car, and is tuned for 93 octane.

[AZhitman]

Thanks Tom -

Yeah, I'll go the Walbro and injectors down the line, seems like less potential "weak links".

We only have 91 octane here, and they add 10% ethanol as well, so I'll still have to stick with a conservative tune.

I'm pretty happy with the results thus far... I'm sure it'd be a hell of a lot more fun if tyhe ambient air temp at intercooler level wasn't 130 degrees!

Also, going to have to do some creative ducting or replace the front bumper, since most of the IC is blocked by the stock bumper design.

[quadcammer]

nice.

gotta love a good centrifugal blower with a high revving engine.

[kmech_7]

hey greg, the write-up looks good. you covered all the issues we talked about.....even my walbro and 440cc tidbit...lol. im telling you though you will see a huge jump in power given to the car when you replace that stock transmission and TC. i know i did!! thanx for including me in you vortech build. im glad to see another Vortech boosted G!!

kev

[jspec603]

Hey Greg,

Why not go with the Turbonetics fix for the G bumper? They use 2 smaller elec fans mounted right to the IC. On the few G's we've done with those kits, the fix seems to be working just fine. These are on daily driven 400ish rwhp cars. Granted we don't get to quite the temp as you all do in AZ, but it still gets warm for some of these guys in Boston traffic! lol Here's a pic of that kit for reference.



Oh and btw, us vert guys are missin the good word of the Hitman in the vert forum!

Good luck with the G!

-Tom

[AZhitman]

hey greg, the write-up looks good. you covered all the issues we talked about.....even my walbro and 440cc tidbit...lol. im telling you though you will see a huge jump in power given to the car when you replace that stock transmission and TC. i know i did!! thanx for including me in you vortech build. im glad to see another Vortech boosted G!!

kev

For all those reading this article and thread, I owe Kevin Mech a HUGE THANKS for all his help - Kevin and I discussed the install before, during, and after, and many of the helpful hints were provided by him. So, THANKS to Kevin!!!

p.s. No TC on my car, brotha! 6MT FTW!!!

[AZhitman]

Hey Greg,

Why not go with the Turbonetics fix for the G bumper? They use 2 smaller elec fans mounted right to the IC. On the few G's we've done with those kits, the fix seems to be working just fine. These are on daily driven 400ish rwhp cars. Granted we don't get to quite the temp as you all do in AZ, but it still gets warm for some of these guys in Boston traffic!

Hey Tom!

Not a bad idea - I hadn't even paid attention to that option... Maybe I'll do some deflectors AND a pair of fans.