N/A build

Elmo370z · 12-27-2014, 10:27 PM

Quote:

Originally Posted by bullitt5897

I have had long long long conversations with 1slow370... That dude knows his sh1t! I have also seen his car dyno'd and ridden in it.

Let me dispel one thing... Do not raise your compression! It will net you very LITTLE power and only hamper your ability to find gas outside of pumping your own barrel of 100+ octane.

Things you should do for an easy 450+ whp:
4.2l or 4.3l stroker with
Stock compression Pistons
Forged rods
Dry sump oiling system or a semi dry system if you want A/C
Built heads with JUN 282 cams
Replace the intake manifold (upper and lower) with one like 1slow370gygh
Run 3" throttle bodies from an 09+ maxima (talk to 1slow370) and a 3" cold intake
Run headers
3" exhaust or Tomei

Tune by Jon @ Z1

Bam 450+whp

This is the route I would go and may end up going with my new Nismo...

Jun cams are scary. Is the install that labor intensive

bullitt5897 · 12-27-2014, 11:16 PM

It's not that scary if you have a competent shop. That has been the number one issue with this mod. Most that are installing the cams are not installing them properly and are not following the service manual instructions... 1slow370z installed his himself...

Elmo370z · 12-28-2014, 12:33 AM

My main question with these cams, will they be ok with the stock manifold.

SlowZ · 12-28-2014, 01:16 AM

Quote:

Originally Posted by bullitt5897

I have had long long long conversations with 1slow370... That dude knows his sh1t! I have also seen his car dyno'd and ridden in it.

Let me dispel one thing... Do not raise your compression! It will net you very LITTLE power and only hamper your ability to find gas outside of pumping your own barrel of 100+ octane.

Things you should do for an easy 450+ whp:
4.2l or 4.3l stroker with
Stock compression Pistons
Forged rods
Dry sump oiling system or a semi dry system if you want A/C
Built heads with JUN 282 cams
Replace the intake manifold (upper and lower) with one like 1slow370
Run 3" throttle bodies from an 09+ maxima (talk to 1slow370) and a 3" cold intake
Run headers

3" exhaust or Tomei

Tune by Jon @ Z1

Bam 450+whp

This is the route I would go and may end up going with my new Nismo...

Are the maxima TB really 3 inch? Are they a direct bolt on for the 370z?

Megan370z · 12-28-2014, 08:13 AM

Quote:

Originally Posted by SlowZ

Are the maxima TB really 3 inch? Are they a direct bolt on for the 370z?

Maxima 09+ TBs are 75mm.

not direct fit on the 370z, you need either an adaptor or a whole new intake manifold.
couple years ago I did that adaptor and you can see how much bigger the maxima 09 TB is.

the oem intake manifold inlet are about 63-64mm and could be bored a bit bigger but there isnt much meat around and its in plastic.

You will be require re-pin the driver plug for the TB.

SlowZ · 12-28-2014, 11:49 AM

Quote:

Originally Posted by Megan370z

Maxima 09+ TBs are 75mm.

not direct fit on the 370z, you need either an adaptor or a whole new intake manifold.
couple years ago I did that adaptor and you can see how much bigger the maxima 09 TB is.

the oem intake manifold inlet are about 63-64mm and could be bored a bit bigger but there isnt much meat around and its in plastic.

You will be require re-pin the driver plug for the TB.

I wanted to bore out the stock ones but I think I read somewhere that most go is like 68mm but I could be wrong. But for the money someone could get two maxima TB. I already have the upper plenum ported. How much did you spend on the adaptors? And what do you mean by a re-pin? Thanks for the pictures and info

Megan370z · 12-28-2014, 05:43 PM

Quote:

Originally Posted by SlowZ

I wanted to bore out the stock ones but I think I read somewhere that most go is like 68mm but I could be wrong. But for the money someone could get two maxima TB. I already have the upper plenum ported. How much did you spend on the adaptors? And what do you mean by a re-pin? Thanks for the pictures and info

that 68mm is the outside mesurement pretty much on the intake manifold inlet.
I wouldnt go more than 65mm....
keep it mind, its plastic.

I spend 10$ on the 2 adapter that I machined at work and a couple hours.

The 370z as you know has 2 TB and they arent interchangeable.
the plug arent pinned the same from both side.

Like I said if I remember correctly its the driver side that need to be re-pinned like the passenger side.

that was my secret mod at the time just before I blew the VVEL and then well it was put on hold. Never tried the setup.

Elmo370z · 12-28-2014, 06:20 PM

Quote:

Originally Posted by Megan370z

that 68mm is the outside mesurement pretty much on the intake manifold inlet.
I wouldnt go more than 65mm....
keep it mind, its plastic.

I spend 10$ on the 2 adapter that I machined at work and a couple hours.

The 370z as you know has 2 TB and they arent interchangeable.
the plug arent pinned the same from both side.

Like I said if I remember correctly its the driver side that need to be re-pinned like the passenger side.

that was my secret mod at the time just before I blew the VVEL and then well it was put on hold. Never tried the setup.

How did you blow the VVEL?

Zoren 370 · 12-28-2014, 06:29 PM

Elmo have you checked the Z1Daytona TB? Been waiting for someone to make a review about it. Asked Z1 and the only answer was its top secret with an Lol at the end.

Elmo370z · 12-28-2014, 06:58 PM

Yes, its 62mm right? I want someone to make a intake manifold

Zoren 370 · 12-28-2014, 07:22 PM

Synolimit does boring and polishing of intake manifold.

Not really sure of the size of the Z1 TB but it looks like they just made the butterfly bigger.

bullitt5897 · 12-28-2014, 07:48 PM

The maxima throttle bodies will only be beneficial on a custom intake like the GTM built one for 1slow370.

SlowZ · 12-28-2014, 07:53 PM

Quote:

Originally Posted by Megan370z

that 68mm is the outside mesurement pretty much on the intake manifold inlet.
I wouldnt go more than 65mm....
keep it mind, its plastic.

I spend 10$ on the 2 adapter that I machined at work and a couple hours.

The 370z as you know has 2 TB and they arent interchangeable.
the plug arent pinned the same from both side.

Like I said if I remember correctly its the driver side that need to be re-pinned like the passenger side.

that was my secret mod at the time just before I blew the VVEL and then well it was put on hold. Never tried the setup.

I think you mis read what I wrote. I wanted to bore out the stock throttle bodies. z1 ported my upper plenum. Sending out the stock throttle bodies to get ported costs just as much as just buying 2 stock maxima TB which are already a bigger diameter than the potentially ported 370s. I wanted to do porting of the TB or a bigger one if possible before I put on 3 inch charge pipes

SlowZ · 12-28-2014, 07:53 PM

Quote:

Originally Posted by bullitt5897

The maxima throttle bodies will only be beneficial on a custom intake like the GTM built one for 1slow370.

Didn't see this posted. Pretty much answered what I needed to know. Thanks

Megan370z · 12-28-2014, 10:09 PM

Quote:

Originally Posted by SlowZ

I think you mis read what I wrote. I wanted to bore out the stock throttle bodies. z1 ported my upper plenum. Sending out the stock throttle bodies to get ported costs just as much as just buying 2 stock maxima TB which are already a bigger diameter than the potentially ported 370s. I wanted to do porting of the TB or a bigger one if possible before I put on 3 inch charge pipes

sorry... if I went to much in details as to help you in case you would somehow decide to go with the maxima09 + TBs...

12-27-2014, 11:16 PM	#32 (permalink)
bullitt5897 Premium Member Join Date: Jan 2009 Location: North GA Posts: 6,831 Drives: Twin Turbo Z34 Rep Power: 3682	It's not that scary if you have a competent shop. That has been the number one issue with this mod. Most that are installing the cams are not installing them properly and are not following the service manual instructions... 1slow370z installed his himself... __________________ *Shop Cars: 2013 318whp Nismo VspecII 370z SOLD, 2009 1000hp+ 93oct 4.0L TT 370z Fast Intentions STAGE 4 #054*

12-28-2014, 07:48 PM	#42 (permalink)
bullitt5897 Premium Member Join Date: Jan 2009 Location: North GA Posts: 6,831 Drives: Twin Turbo Z34 Rep Power: 3682	The maxima throttle bodies will only be beneficial on a custom intake like the GTM built one for 1slow370. __________________ *Shop Cars: 2013 318whp Nismo VspecII 370z SOLD, 2009 1000hp+ 93oct 4.0L TT 370z Fast Intentions STAGE 4 #054*

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12-28-2014, 12:33 AM	#33 (permalink)
Elmo370z A True Z Fanatic Join Date: Apr 2013 Location: st. petersburg Posts: 5,707 Drives: 09 nissan 370z Sp M6 Rep Power: 295378	My main question with these cams, will they be ok with the stock manifold.

12-28-2014, 06:29 PM	#39 (permalink)
Zoren 370 A True Z Fanatic Join Date: Mar 2012 Location: FL Posts: 11,018 Drives: 11 Nissan 370 M6 Rep Power: 1913653	Elmo have you checked the Z1Daytona TB? Been waiting for someone to make a review about it. Asked Z1 and the only answer was its top secret with an Lol at the end.

12-28-2014, 06:58 PM	#40 (permalink)
Elmo370z A True Z Fanatic Join Date: Apr 2013 Location: st. petersburg Posts: 5,707 Drives: 09 nissan 370z Sp M6 Rep Power: 295378	Yes, its 62mm right? I want someone to make a intake manifold

12-28-2014, 07:22 PM	#41 (permalink)
Zoren 370 A True Z Fanatic Join Date: Mar 2012 Location: FL Posts: 11,018 Drives: 11 Nissan 370 M6 Rep Power: 1913653	Synolimit does boring and polishing of intake manifold. Not really sure of the size of the Z1 TB but it looks like they just made the butterfly bigger.