Questions On Mods

ChrisWindisch · 12-23-2015, 04:30 PM

Hello, I am fairly new to this forum and owning a 370Z. I am currently running
- Motordyne ART Pipes
- AAM Midpipe/Shorties
- Stillen G3 Intakes

I am stuck on whether or not I should just get the car tuned as is...or upgrade to the Z1 or M370 manifold/Stillen Lightweight Pulley/Throttle Bodies and then tune.

Are these upgrades worth the $$$ when it comes to $/HP/TQ. Or should I just tune the car and leave those items alone?

dP3NGU1N · 12-23-2015, 04:44 PM

What would you consider worth the money? As with most questions of this type the answer is very relative based on what YOU want for your individual build. Are you looking for the most HP/$ gain? If that's the case I'd forgo NA bolt ons altogether and save up for a forced induction kit. Many people who go FI lament how much they spent on NA mods.

Is your car a daily driver? How much inconvenience are you willing to put up with? As with all bolt ons, the returns are diminishing. Just because each of these pieces individually advertise 10-15hp increase per part, as you get them in combination they start dropping to 5-10hp, then from 3-6hp, and so on.

Unless you're planning to eek every last bit of NA hp out of this engine, those items you've listed are more trouble than they're worth. Especially the pulley. If incorrectly installed, it could cause serious damage to your engine, depending on who you ask. Just do a search on that one, I don't know enough about it myself to truly comment.

Chuck33079 · 12-23-2015, 04:49 PM

Skip the pulley. The manifold may be a nice touch. The motordyne one loses a few hp at peak power and picks up a bunch of midrange where you actually spend most of your time.

Honestly, the best NA mod after basic bolt ons are gears.

ChrisWindisch · 12-23-2015, 04:50 PM

Basically, if I were to line up with another 370z with Full Exhaust/Intakes I want to have an advantage on them. But I don't want to pay 2000 to have a very very small advantage.

I do not believe I am going to go FI on this car..It is a daily and I have seen FI kits put people out of their cars for much too long haha. I know of the diminishing upgrades but I have done quite a bit of research on these items and I am still in the air with them. As you said that pulley is a eh eh mod.

Thanks for the quick input!

Rusty · 12-23-2015, 06:04 PM

Like it was said. Skip the pulley. Finish up your mods, then go for a tune. Tune last. Why tune it twice.

ChrisWindisch · 12-23-2015, 08:34 PM

Quote:

Originally Posted by Rusty

Like it was said. Skip the pulley. Finish up your mods, then go for a tune. Tune last. Why tune it twice.

It looks like you practically have a full build NA setup. Why did you not go for the manifold/TBs?

Rusty · 12-23-2015, 10:33 PM

Quote:

Originally Posted by ChrisWindisch

It looks like you practically have a full build NA setup. Why did you not go for the manifold/TBs?

The M manifold doesn't thrill me. Thinking about the Z1 set-up. Maybe spring. Waiting to see other options for the throttle bodies. I match ported my upper and lower manifolds myself. Just never did a write up on it.

ChrisWindisch · 12-23-2015, 11:38 PM

Do you see much of a difference with the upper/lower manifolds ported? I am also reading on a debate between 3.9 and 4.08 gears.

Going to have to upgrade the gears soon right

?

Elmo370z · 12-23-2015, 11:41 PM

Quote:

Originally Posted by Rusty

The M manifold doesn't thrill me. Thinking about the Z1 set-up. Maybe spring. Waiting to see other options for the throttle bodies. I match ported my upper and lower manifolds myself. Just never did a write up on it.

EPs tuning are coming out with 70mm TB's and rjm has an R35 manifold conversion but you have to get rid of the strut bar. Couple other companies are in the "process of making an billet piece. WIsh CJM would create an manifold similar to the badass DE manifold.

Rusty · 12-23-2015, 11:42 PM

I did all of my mods then dynoed. So everything was together. Couldn't tell if one mod did good or not. If you do gears. Get a good LSD.

ChrisWindisch · 12-24-2015, 01:26 AM

Quote:

Originally Posted by Rusty

I did all of my mods then dynoed. So everything was together. Couldn't tell if one mod did good or not. If you do gears. Get a good LSD.

Any recommendations on the LSD? ATM I am rocking a VLSD due to Sport model.

Rusty · 12-24-2015, 01:40 AM

Quote:

Originally Posted by ChrisWindisch

Any recommendations on the LSD? ATM I am rocking a VLSD due to Sport model.

Happy reading.

The Definitive Differential Thread

ChrisWindisch · 12-24-2015, 01:43 AM

Thanks for all the info bro! =)

Rusty · 12-24-2015, 02:22 AM

Quote:

Originally Posted by ChrisWindisch

Thanks for all the info bro! =)

mag_black · 12-24-2015, 11:48 AM

I would suggest, ART pipes, Stillen G3, FI cat back exhaust and Ecutek. I would probably skip the rest. See how the car is running then and make another decision if I want to stay NA.

12-23-2015, 04:30 PM	#1 (permalink)
ChrisWindisch Base Member Join Date: Sep 2015 Location: Florida Posts: 82 Drives: MB 11' 6MT Sport Z Rep Power: 10	Questions On Mods Hello, I am fairly new to this forum and owning a 370Z. I am currently running - Motordyne ART Pipes - AAM Midpipe/Shorties - Stillen G3 Intakes I am stuck on whether or not I should just get the car tuned as is...or upgrade to the Z1 or M370 manifold/Stillen Lightweight Pulley/Throttle Bodies and then tune. Are these upgrades worth the $$$ when it comes to $/HP/TQ. Or should I just tune the car and leave those items alone?

12-23-2015, 04:44 PM	#2 (permalink)
dP3NGU1N A True Z Fanatic Join Date: Feb 2011 Location: Irvine Posts: 1,682 Drives: 13 PW sport 6mt Rep Power: 19	What would you consider worth the money? As with most questions of this type the answer is very relative based on what YOU want for your individual build. Are you looking for the most HP/$ gain? If that's the case I'd forgo NA bolt ons altogether and save up for a forced induction kit. Many people who go FI lament how much they spent on NA mods. Is your car a daily driver? How much inconvenience are you willing to put up with? As with all bolt ons, the returns are diminishing. Just because each of these pieces individually advertise 10-15hp increase per part, as you get them in combination they start dropping to 5-10hp, then from 3-6hp, and so on. Unless you're planning to eek every last bit of NA hp out of this engine, those items you've listed are more trouble than they're worth. Especially the pulley. If incorrectly installed, it could cause serious damage to your engine, depending on who you ask. Just do a search on that one, I don't know enough about it myself to truly comment. __________________ 35% Hooper Optik \| Takeda Attack CAI \| F.I. HFC \| Hotchkis Sway Bar \| Stillen 24row \| OS Giken Super Lock LSD \| TK Shift Knob \| EVO-R Carbon Diffuser

12-23-2015, 04:49 PM	#3 (permalink)
Chuck33079 A True Z Fanatic Join Date: Nov 2011 Location: Houston Posts: 12,265 Drives: 2011 370ztt Rep Power: 29539	Skip the pulley. The manifold may be a nice touch. The motordyne one loses a few hp at peak power and picks up a bunch of midrange where you actually spend most of your time. Honestly, the best NA mod after basic bolt ons are gears. Felix 808 likes this. __________________ 2011 MB Touring-Sport-6sp-Nav/GTM TT/FI TT TDX/JTran/Kosmic/Eibach/Hotchkis/SPC/CSF/RPS/SoThatsWhereAllMyMoneyWent

12-23-2015, 06:04 PM	#5 (permalink)
Rusty Ronin Samurai - Assassin Join Date: Dec 2011 Location: Fayettenam,Pennsyltucky Age: 69 Posts: 35,490 Drives: 2011 Nismo GM 6M Rep Power: 2684438	Like it was said. Skip the pulley. Finish up your mods, then go for a tune. Tune last. Why tune it twice. Felix 808 likes this. __________________ 浪人 - 殺し屋 "The Difficult Anytime, The Impossible By Appointment Only" http://www.the370z.com/members-370z-...o-journal.html

12-23-2015, 11:42 PM	#10 (permalink)
Rusty Ronin Samurai - Assassin Join Date: Dec 2011 Location: Fayettenam,Pennsyltucky Age: 69 Posts: 35,490 Drives: 2011 Nismo GM 6M Rep Power: 2684438	I did all of my mods then dynoed. So everything was together. Couldn't tell if one mod did good or not. If you do gears. Get a good LSD. __________________ 浪人 - 殺し屋 "The Difficult Anytime, The Impossible By Appointment Only" http://www.the370z.com/members-370z-...o-journal.html

12-23-2015, 04:50 PM	#4 (permalink)
ChrisWindisch Base Member Join Date: Sep 2015 Location: Florida Posts: 82 Drives: MB 11' 6MT Sport Z Rep Power: 10	Basically, if I were to line up with another 370z with Full Exhaust/Intakes I want to have an advantage on them. But I don't want to pay 2000 to have a very very small advantage. I do not believe I am going to go FI on this car..It is a daily and I have seen FI kits put people out of their cars for much too long haha. I know of the diminishing upgrades but I have done quite a bit of research on these items and I am still in the air with them. As you said that pulley is a eh eh mod. Thanks for the quick input!

12-23-2015, 11:38 PM	#8 (permalink)
ChrisWindisch Base Member Join Date: Sep 2015 Location: Florida Posts: 82 Drives: MB 11' 6MT Sport Z Rep Power: 10	Do you see much of a difference with the upper/lower manifolds ported? I am also reading on a debate between 3.9 and 4.08 gears. Going to have to upgrade the gears soon right ?

12-24-2015, 01:43 AM	#13 (permalink)
ChrisWindisch Base Member Join Date: Sep 2015 Location: Florida Posts: 82 Drives: MB 11' 6MT Sport Z Rep Power: 10	Thanks for all the info bro! =) Rusty likes this.

12-24-2015, 11:48 AM	#15 (permalink)
mag_black A True Z Fanatic Join Date: Mar 2013 Location: Massachusetts Posts: 1,400 Drives: 09 370Z MT6 Rep Power: 667	I would suggest, ART pipes, Stillen G3, FI cat back exhaust and Ecutek. I would probably skip the rest. See how the car is running then and make another decision if I want to stay NA. __________________ fujimura ≠ abbeyRoadCompany ≠ fastIntentions ≠ motordyne ≠ avantGarde ≠ ecutek ≠ nismo ≠ stillen ≠ stoptech ≠ gtm ≠ spl ≠ carbonfiberelement ≠ stance™

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