370z GTM Stage 2 twin turbo Stock block

LafitteZ

I was kidding with him

LafitteZ

People on here only want to look right and make the otehr person look like an idiot. He couldve easily said no thats not right then explained it not ask stupid *** questions and say anyone who thinks that way is stupid. Once he explained I understood what he was saying and he is right. Its how people go about saying it on here.

Nixlimited

Since I assume you are talking about me, I would like to see you quote any "stupid *** question" I asked, or quote anywhere that I called anyone stupid.

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Car Sold! Pleasure being a part of the Z community.
New ride: 2015 GT-R - 647 WHP / 641 WTQ (e85) & 543 WHP / 519 WTQ (91)

roplusbee

I think most of understood what you meant as opposed to the actual words typed. It's all good, especially siince you came back and cleared it up! That way the N008-ism is reduced for the ones that don't actually understand they way mods affect their car's performance and simply lurk so that they can have something to talk about at the meets..............at least now they will be able to regurgitate what you said "intelligently"!

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2007 350Z NISMO #0618: Zerolift | UPREV | F.I. | Greddy | Competition Clutch | Injector Dynamics | Aeromotive | Pioneer | JL

LafitteZ

Yep ^

esfourteen

underdrive pulleys on the TT Z32's were proven to add somewhere around 20whp and typically less than half of that on NA, I'd willing to bet we'd see an increase over the NA numbers as well.

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Build Thread | GTM TT Install Thread | Engine Build Thread

LafitteZ

It's gotta do something considering I'm making 15 to 20 WHP then most others who don't have it

LafitteZ

It's over bro just leave it alone. You were correct I was kidding.

LafitteZ

All you 7at guys if y'all had a choice would y'all buy the auto again? I'm thinking about buying a g37 for the ol lady and I'll prolly boost it off the lot.

Reality

This shouldn't even be a question.. If you are intending on boosting it, why on earth would you get a slushbox?
6mt... without question..

oh and +1 for NixLimited.. pulleys will not net gains.. It will only "free-up" rotational mass.
-This comes from personal experience.

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//2005 35th SB #81 [tyra] SOLD
//2006 GT PPW SOLD

roplusbee

Not form experience, but I would think an SC setup would be decent with a 7AT. I am curious about the pulleys now. I like the idea of reducing rotational mass. The purpose of underdriving the accessories it keep them from overloading? Never had a pulley before..................don't slam me, please!

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2007 350Z NISMO #0618: Zerolift | UPREV | F.I. | Greddy | Competition Clutch | Injector Dynamics | Aeromotive | Pioneer | JL

esfourteen

reducing rotational mass in the drivetrain frees up power, your engine doesn't make more power but the end result is more power is transferred to the wheels.

The major issue with the pulleys is that they are aluminum and our crank is steel, they are basically welding themselves together via galvanic corrosion over time.

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Build Thread | GTM TT Install Thread | Engine Build Thread

Speedy

Well, looks like the autos are faster than the 6MTs. Top three 1/4 mile cars stock are autos.

It's the same with the Challenger. I have a 6MT in my Challenger with a blower and my buddy has the same in his auto. His auto is almost exactly .5 seconds faster than me in the 1/4 with mine having 2 more MPH. I run 11.50s at 125 and he runs 11.10s at 124. It's the same kind of thing across our forum. And yes, I can shift.

Newer autos are just much better than "back in the day". Now, the strength is an issue when going FI.

Reality

I would say that it results in the power getting to the ground "easier". I did not make any legitimate power.
I did 3 back-to-back baselines, Installed Pulleys and Made 3 more runs... No real life gains.
Same dyno, same day (within a few hours).

I totally agree with the crank pulleys fusing.. I know of this happening to 2 local z owners who were both boosted.

A note for FI z owners, would be to read up on harmonic dampeners when considering crank pulley replacement...
-Or engine go boom!

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//2005 35th SB #81 [tyra] SOLD
//2006 GT PPW SOLD

Mike@GTM

That's what we've been saying as well. We even have a video of us removing a fused crank pulley in our Stage 2 Supercharger Press Release thread and have touched on the issues that have resulted from harmonics. We've seen the catastrophic results of running an aftermarket lightweight pulley.

Also, while reduction in rotational inertia does help improve engine response, there are other factors to consider as well...like how long you want your engine to last.