G37 Sedan

ZSpeed or TBW Aluminum under tray on your sedan?

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Old 06-09-2018, 11:30 AM
  #31  
guy from norcal
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Originally Posted by Rochester
I've a few hundred dollars as PayPal credit, and last night I was *this* close to ordering a new TBW under-tray, when something else came up and laid claim to that money.

So close, LOL

The wife got to it first?
Old 06-09-2018, 11:51 AM
  #32  
Rochester
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Originally Posted by guy from norcal
The wife got to it first?
Something like that.

With the kid going to college this year, I volunteered a complete hold on car mod expenses. But then I sold my front CO's a few weeks ago, and had this PayPal credit I was going to dip into.

So now I'm thinking Xmas present. "Here, go buy this aluminum panel that I don't need and will almost never see."
Old 06-09-2018, 12:11 PM
  #33  
guy from norcal
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I totally agree on the never see it. I think i would see it every 3-4 months while changing the oil. But it is a piece of mind knowing you have this shield protecting your oil filter ETC when our car is that low to the ground.



I don't agree on the car mod hold. But i don't have kids either so
Old 04-12-2020, 09:53 AM
  #34  
Dubs409
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Aero

Originally Posted by slartibartfast
While the vents are nice, the undertray is supposed to be an aero device. Those vents reduce downforce.
I question, after insalling the z1 undertray, if the OEM plastic is more aerodynamic.
Old 04-12-2020, 01:57 PM
  #35  
4DRZ
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Originally Posted by Dubs409
I question, after insalling the z1 undertray, if the OEM plastic is more aerodynamic.
I don't think so, but more importantly it does not have cooling vents for the engine or provide nearly the same protection.
Old 04-14-2020, 10:15 PM
  #36  
mummy2
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Since heat rises is it really important to have the tray provide extra cooling?
Old 04-15-2020, 07:06 AM
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The Pope
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Yes, Heat Rises, but as you're driving, an Under Tray will help to remove the hot air from the engine bay. Think of the Under Tray as more of an Aerodynamic Device. It is intended (OEM & Aftermarket) to control how the air flows Under the car. There is a Vacuum that is generated on the small openings that are in the Under Tray while you're driving, which pull the air out of the engine bay. So, in other words, it's better to Have an Under Tray that Not.
Old 04-18-2020, 09:06 AM
  #38  
SupraOfDoom
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I haven't changed my oil since installing my Zspeed one but the fitment was great even with my sway bars.
Old 04-18-2020, 08:08 PM
  #39  
4DRZ
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Originally Posted by SupraOfDoom
I haven't changed my oil since installing my Zspeed one but the fitment was great even with my sway bars.
Funny you mention sway bars. I have Hotchkis sway bars which have zerk fittings, but with the ZSpeed under tray they are pretty tough to get at with a grease gun and almost impossible to tighten down the connection. So if anyone needs this I just ordered one of these which should ease access to the zerk fittings on that pesky front sway bar: ($12.99 on Amazon)

Old 04-19-2020, 08:33 AM
  #40  
SupraOfDoom
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I'd probably just take it off when greasing. It's a short install.
Old 04-19-2020, 11:21 AM
  #41  
4DRZ
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Originally Posted by SupraOfDoom
I'd probably just take it off when greasing. It's a short install.
Wait until you do it 25 times. It gets to be a real pain.
Old 04-20-2020, 06:13 AM
  #42  
The Pope
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Originally Posted by 4DRZ
Funny you mention sway bars. I have Hotchkis sway bars which have zerk fittings, but with the ZSpeed under tray they are pretty tough to get at with a grease gun and almost impossible to tighten down the connection. So if anyone needs this I just ordered one of these which should ease access to the zerk fittings on that pesky front sway bar: ($12.99 on Amazon)

Why do people post these "Hey, look what I just bought online...." and don't provide a link..... smh

Link for this item:
https://www.amazon.com/One-Sight-Locking-Coupler-Fittings/dp/B07ZF9SYBP/ref=sr_1_9?dchild=1&keywords=grease+gun+clamp+tip&qid=1587377339&sr=8-9 https://www.amazon.com/One-Sight-Locking-Coupler-Fittings/dp/B07ZF9SYBP/ref=sr_1_9?dchild=1&keywords=grease+gun+clamp+tip&qid=1587377339&sr=8-9
Old 04-20-2020, 12:17 PM
  #43  
4DRZ
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Originally Posted by The Pope
Why do people post these "Hey, look what I just bought online...." and don't provide a link..... smh

Link for this item: https://www.amazon.com/One-Sight-Loc...7377339&sr=8-9
Sorry I made a mistake... smh
Old 04-20-2020, 12:23 PM
  #44  
Rochester
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Originally Posted by The Pope
Why do people post these "Hey, look what I just bought online...." and don't provide a link..... smh
Come on, man... You're falling into the old man stereotype and making all the other 56 year olds feel conspicuous.
Old 04-20-2020, 02:21 PM
  #45  
iCrap
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That would be nice to have, too bay my Zerk fittings have rusted themselves shut


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