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AAM angled spacer or MD 5/16 spacer

Old Sep 13, 2006 | 01:40 PM
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Default AAM angled spacer or MD 5/16 spacer

Which one? Searched but didnt find much. Any input from people that have one or the other, or had both would be appreciated...Thanks!
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Old Sep 13, 2006 | 01:41 PM
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Check out the sticky thread of 100 common questions. Wired 24/7 addresses that mod.
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Old Sep 13, 2006 | 01:46 PM
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Of course you reviewed the Sport-Z Magazine Plenum vs Plenum Spacer Shoot-Out.
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Old Sep 13, 2006 | 02:12 PM
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I heard about that but cant find it...can someone just give me a plain answer...lol MD or AAM...which one gives me more hp
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Old Sep 13, 2006 | 02:15 PM
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https://my350z.com/forum/2003-2009-nissan-350z/197329-the-top-100-common-questions.html

Quote from Wired 24/7 top 100 Q's post #8:

Q: What is the difference between MREV, MREV+, MREV2? Which one do I need for my rev-up or 287hp motor?

These are all code words for lower plenums. If you have a rev-up motor (your redline from the factory is 7000RPM) then you have a unique lower plenum with shorter runners. If you have the 287hp motor (your redline from the factory is 6600rpm), your car is ALREADY EQUIPPED with the "MREV".

The rev-up motor is well known for having less midrange torque than the 287hp motor, while its overall horsepower rating is higher (300hp).

If you have a rev-up motor, you can choose to swap your lower plenum for either MREV, MREV+, or MREV2 (available from Motordyne engineering).

The MREV is equivalent to the factory lower plenum from the 287hp motor. Installing the MREV in a rev-up motor will increase torque through the midrange but lower peak horsepower.

For an additional fee, the MREV+ and MREV2 are available as well. The MREV+ has a bit of metal shaved off of the two runners at the front of the engine. This reduces restriction inside the plenum and is reported to give you a little bit better horsepower.

The MREV2 is similar to the MREV+, only it has lots of metal from the lower plenum grinded and shaved off. More of this metal grinded off yields less restriction (for a higher price) and more horsepower.

If you are a rev-up owner, you will most likely benefit the most from getting both a 5/16" spacer and the MREV2. If you are a 287hp owner, great gains have been shown from installing only the MREV2 with no spacer.

For more information, search through the Intake Exhaust forum and read several old threads on the subject matter.
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Old Sep 13, 2006 | 02:19 PM
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Motordyne.
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Old Sep 13, 2006 | 02:32 PM
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Figures a guy from NY would get to the point!! thanks NA350z...And some of these guys here waste more time looking it up and pasting this stuff about MREV2...than jsut telling me what they think. I didnt ask anything about the mrev2...but thanks everyone!
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Old Sep 13, 2006 | 03:55 PM
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they both work similarly well and produce nearly identical gains
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Old Sep 13, 2006 | 03:58 PM
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kinetix ssv
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Old Sep 13, 2006 | 04:04 PM
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not worth it on an NA car ^
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Old Sep 13, 2006 | 04:07 PM
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I thought on the non-revup engine, the 5/16 spacer and MREV2 make similar gains when used independently?

any comments.
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Old Sep 13, 2006 | 04:38 PM
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Nice post. Well, I was looking at getting both the MD 5/16" spancer & MREV2 for my 03 Z, but after reading this, looks like I'm only getting the MREV2 for my Z. Just one little question, what would happen if I put the MREV2 & 5/16" spacer on my 03 non-rev Z??? I don't think I read about that in the many posts that I read, I could be wrong, don't flame me.
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Old Sep 13, 2006 | 04:55 PM
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Originally Posted by johnnybravo77
Nice post. Well, I was looking at getting both the MD 5/16" spancer & MREV2 for my 03 Z, but after reading this, looks like I'm only getting the MREV2 for my Z. Just one little question, what would happen if I put the MREV2 & 5/16" spacer on my 03 non-rev Z??? I don't think I read about that in the many posts that I read, I could be wrong, don't flame me.
Dude you really need to search...this question has been answer hundreds of times
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Old Sep 13, 2006 | 04:55 PM
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^was wondering the same thing
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Old Sep 13, 2006 | 05:59 PM
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on 287hp you willl need to tune the car if you add a 5/16 spacer with the mrev2 but will that gain more power than just adding the mrev2?,
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Old Sep 13, 2006 | 06:07 PM
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the spacer, IMHO, is more beneficial than the lower collector (MREV). The spacer addresses a fundamental flaw in the stock plenum design. Yes gains can be had with both
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Old Sep 13, 2006 | 06:15 PM
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My bad icedout 589 & DevinB. But like I said, I looked, didn't find. If you would like to help, give me a link or tell me what to specifically search under. The are a lot of posts to try and sort through. ***az also asked the same question, so it looks like I'm not the only one with that question. Again, I'm not as seasoned as some of you are on this site. The more help I get, the less stupid questions I ask, the happier everyone is.
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Old Sep 13, 2006 | 06:24 PM
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Originally Posted by Z1 Performance
the spacer, IMHO, is more beneficial than the lower collector (MREV). The spacer addresses a fundamental flaw in the stock plenum design. Yes gains can be had with both
Thanks Z1 Performance for the input!
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Old Sep 14, 2006 | 12:48 AM
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I have AAM spacer and love it. you cant go wrong with AAM products.
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Old Sep 19, 2006 | 02:17 PM
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just ordered aam... i believe its just preference because many poeple have different set-ups.
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