Kinetix V+ vs. Motordyne 5/16" vs. Motordyne 1/2"
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Between Kinetix V+, Motordyne 5/16", and Motordyne 1/2"; which one is known as the best improvement?
I searched and found out having both Kinetix V+ and any kind of plenum spacer is stupid. So I guess the outcome is simular between them? (Simular inside air volume, power increase, sounds, etc)
I also found out that 1/2" does not clear the stock strut bar. Can it clear my JIC Magic CF Strut Bar? Or do I need a strut bar spacer? Where do I get one? And does Kinetix V+ clear the stock strut bar?
Thanks and sorry for mass questions. I just added everything I couldn't find from searches in one post.
I searched and found out having both Kinetix V+ and any kind of plenum spacer is stupid. So I guess the outcome is simular between them? (Simular inside air volume, power increase, sounds, etc)
I also found out that 1/2" does not clear the stock strut bar. Can it clear my JIC Magic CF Strut Bar? Or do I need a strut bar spacer? Where do I get one? And does Kinetix V+ clear the stock strut bar?
Thanks and sorry for mass questions. I just added everything I couldn't find from searches in one post.
Originally Posted by XenoJC
I searched and found out having both Kinetix V+ and any kind of plenum spacer is stupid.
Upper plenum vs spacer? Check the dyno charts at motordyne.com.
Replace the OEM strut brace with one that fits in front of the plenum not over the top.
Depends on your car , is it a rev up or not . If its a non revup car you want a Kinetic or angled spacer . If its a revup , the 5/16 or 1/2 inch one will be fine. My stock strut bar clears the Kinetic on my car.
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Originally Posted by terrasmak
Depends on your car , is it a rev up or not . If its a non revup car you want a Kinetic or angled spacer . If its a revup , the 5/16 or 1/2 inch one will be fine. My stock strut bar clears the Kinetic on my car.
i have a 04(.5) Roadster...so non-revup
Last edited by XenoJC; Oct 11, 2007 at 11:52 PM.
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Originally Posted by davidv
Its not stupid, it simple may not be beneficial.
Upper plenum vs spacer? Check the dyno charts at motordyne.com.
Replace the OEM strut brace with one that fits in front of the plenum not over the top.
Upper plenum vs spacer? Check the dyno charts at motordyne.com.
Replace the OEM strut brace with one that fits in front of the plenum not over the top.
But I thought both Kinetix V+ and spacer increases the upper plenum air volume, did I get that wrong too?
It does increase the volume, but by too much. There is a fine line between just right and too much. If you want the aftermarket show look, then get the V+. If you want the best HP gains get the 1/2" I'm not sure if your aftermarket strut bar will work, but any washer can be used as a spacer to clear another cm or two. Personally, i would get the 5/16 ISO kit and call it a day. HP difference is minimal and probably not noticeable. Its has proven gains time and time again, and also complies with OEM parts. Good luck with your decision.
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Originally Posted by ssnake86
Ive never seen dyno charts of the Kentix plenium, it wasnt included in that plenium shoot out. Its gives comparable gains to the 5/16 and 1/2 spacers, even though its costs a lot more?
Originally Posted by davidv
Not true. The Kinetix plenum is the “K” plenum.
der, Im retarded. Dont know why I didnt see the K. I'm suprised it performs so much worse compared to the spacers. This is the same plenium that looks all crazy with like 4 pipes going down on the right side? My buddy almost got that plenium and was telling it adds like 30-40 hp...
Originally Posted by ssnake86
This is the same plenium that looks all crazy with like 4 pipes going down on the right side? My buddy almost got that plenium and was telling it adds like 30-40 hp...
Your buddy is referring to the "SSV". Tell him he shouldnt believe everything he reads in magazine ads.
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Originally Posted by HondaKiller
It does increase the volume, but by too much. There is a fine line between just right and too much. If you want the aftermarket show look, then get the V+. If you want the best HP gains get the 1/2" I'm not sure if your aftermarket strut bar will work, but any washer can be used as a spacer to clear another cm or two. Personally, i would get the 5/16 ISO kit and call it a day. HP difference is minimal and probably not noticeable. Its has proven gains time and time again, and also complies with OEM parts. Good luck with your decision.
I like the look of V+ but popular dyno charts shows that 5/16" gives better performance.
Originally Posted by XenoJC
How high would it be, if I get both V+ and 5/16"? It won't clear the strut bar nor engine cover, will it?
I like the look of V+ but popular dyno charts shows that 5/16" gives better performance.
I like the look of V+ but popular dyno charts shows that 5/16" gives better performance.

Just do what has been proven to be effective and get a spacer or go with a REAL plenum like APS or Crawford.
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Originally Posted by pony_killer
save your money and just get the Motordyne 5/16 spacer and MREV 2...guaranteed that their both the best bang for your buck mods.
So originally, I was going to get the MREV2 and V+; if the gains of V+ and MD 5/16" were about the same.
Some told me they are about the same, and some gave me these dyno charts, http://www.motordyneengineering.com/...tAnalysis2.gif, http://www.motordyneengineering.com/...tAnalysis6.gif, and told me to go with the MD.
However, suppose on these dyno charts, Plenum(K) represents the Kinetix; Is this the older V4 or the newest V+?
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Originally Posted by XenoJC
Right! I'm just 'ricey' and I liked the aftermarket look of V+
So originally, I was going to get the MREV2 and V+; if the gains of V+ and MD 5/16" were about the same.
Some told me they are about the same, and some gave me these dyno charts, http://www.motordyneengineering.com/...tAnalysis2.gif, http://www.motordyneengineering.com/...tAnalysis6.gif, and told me to go with the MD.
However, suppose on these dyno charts, Plenum(K) represents the Kinetix; Is this the older V4 or the newest V+?
So originally, I was going to get the MREV2 and V+; if the gains of V+ and MD 5/16" were about the same.
Some told me they are about the same, and some gave me these dyno charts, http://www.motordyneengineering.com/...tAnalysis2.gif, http://www.motordyneengineering.com/...tAnalysis6.gif, and told me to go with the MD.
However, suppose on these dyno charts, Plenum(K) represents the Kinetix; Is this the older V4 or the newest V+?
I wrote a direct email to Kinetix and this was the reply I got back.
Originally Posted by Kinetix
I have not been on the forums for a long while. Those dyno graphs appear to
show v4 plenum. The new v+ plenum has about 10% more volume, which gives a
bit of an increase over older version.
What you wont see in a dyno test is heat soak on the engine, which our
plenum fights off quite well. After about 1 hour of use, our plenum will be
about 50 degrees cooler! than an aluminum option. This wont show up on a
dyno.
show v4 plenum. The new v+ plenum has about 10% more volume, which gives a
bit of an increase over older version.
What you wont see in a dyno test is heat soak on the engine, which our
plenum fights off quite well. After about 1 hour of use, our plenum will be
about 50 degrees cooler! than an aluminum option. This wont show up on a
dyno.
Originally Posted by XenoJC
i'm answering my own questions in case some of you are interested also...
I wrote a direct email to Kinetix and this was the reply I got back.
I think I'm going with the the Kinetix V+ Plenum and Motordyne MREV 2!!
I wrote a direct email to Kinetix and this was the reply I got back.
I think I'm going with the the Kinetix V+ Plenum and Motordyne MREV 2!!
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Originally Posted by HondaKiller
i hope your buying an engine management system to go along with that MREV2. Since your non rev up like myself, you will require a tune after installing both. If you dont, your car probably wont run right, and wont produce half the hp/tq it should. just my .02
i'm putting on the v+ for now and then mrev2 during the time of greddy tt installation. e-manage should do the trick, am i wrong?thanks again for the all the words.







