Perhaps the 1st JDM install of the MD 5/16 Iso Thermal spacer.

1/ The fit and finish of the MD parts are superb. Kudos to Tony !

2/ I had the same first initial impression .. butt felt some loss down low .. but seemed to kick in around 4500-5000 RPMs.

3/ I put on about 150 miles after the install - driving the expressways and mountain twisties. The engine felt smoother driving at high RPMs .. and I drove fast, high RPMs, a lot in 2nd and 3rd high RPM shifts on the twisties. Also, fast up-and-down on the expressways .. 60-130 mph.

4/ I might try to reset the ECU again later on and see what happens.

5/ The plenum is definetly cooler with a hand test. Weather over here yesterday and today .. around 40-50 degrees F -- so the coolant valve remained open.

Overall .. initial impression -- I like it.

 

wow, thats awesome, Tony's products are worldwide. Congrats man!
Thanks for the review of your install.

 

I can't wait to get my 5/16" spacer... delivery is supposed to be Thursday. I previously had a Kinetix V.4 plenum, so I'm anxious to see how the spacer compares to the full plenum, both in sound and performance.

 

I love to hear the review between the two also. Heard though a lot of people disappointed in the Kinetix though. What made you change to just the spacer?

 

I parted out my car about 10 months ago thinking that I was going to have to sell the Z to get a truck for work, but it ended up that the Z is fine. I loved the KV4 when I had it, so hopefully the space won't disappoint.

 

wow, kinda sucks you parted out the car to sell, then ended up keeping it anyway. Oh well, let us know what u think when it comes in!

 

I just installed the 5/16" Iso Thermal spacer this weekend and noticed the difference right after the install.

I don't know if it has anything to do with the other mods I have already done. (Injen CAI & Greddy Evo2 exhaust) All I know is that I feel gains all across the power band, and notice a deeper tone in the exhaust.

Extremely happy with product, the install was a breeze with the detailed instructions with pictures, and professionally individually packaged and labeled parts.

Thanks for a great product.

Here ia a pic and a link to a sound clip of exhaust:

http://videos.streetfire.net/Player....C-FBAB14120422

 

First congrats and knew you wouldn't be disappointed. I think this is one of those Best Bang for the Buck mods. Also as you can see from the pic a sleeper mod. You can't tell its there unless you are looking for it. Enjoy!!!

FYI: The vid isn't there.

 

I am sorry about the video...
Here is the correct link.

Thanks

http://videos.streetfire.net/Player....9-4C8866409499

 

I noticed an every so slight difference in low rpm throttle response just at initial tip-in. It's no real big deal to me though because the power is there and the reduced throttle response won't impact the car runs at deeper throttle applications. It really didn't surprise me though because the spacer increased the plenum volume therefore some of the low rpm air flow is gets slightly disrupted.

 

I just put my car on the dyno this past Saturday...

I pulled 250 RWHP... 238 lb/ft torque
Seeing how the car comes with about 227 RWHP and 228 lb/ft torque...

I am pretty satisfied with the upgrades and am going to be installing headers this weekend, and am in the market for the best high flow cats available...If anyone has any suggestions I would appreciate it.

High Flow cats? or Test Pipes?

Motordyne 5/16" spacer, Injen CAI, Greddy Evo2 exhaust...

 

What seems to be the most common advice given is if you are staying NA then go with high flow cats but if you go F/I then get the test pipes. Also if you are concerned about passing emissions then stick with the high flows. I am happy with my high flows and awaiting the arrival of the MREV kit.

 

geeze where do you guys go for soo many dynos?? arnt they expencive?
could bankrupt yourselves just on dyno runs hehe

BTW imk Soooooooo close to buying this mod.. heh

 

+1 for MD spacer (I have the 3/8" older version) -it works great, easy to install, and Tony at motordyne was super helpful in getting me the extra parts I needed (I bought the spacer off a G35 and needed the strut bar spacers)

 

mc350z ... I'll try and post some pics of my install and clearance this weekend. I would have done it sooner -- but have been really busy travelling coupled with some bad weather.

 

Well after some time driving with the spacer and new Kinetix cats, there is great mid-range and upper power band. By far, these are the best two power adders you can get for the money.

 

I will try to take a photo of the clearance this weekend, but there was little clearence when first placing the strut bar. After increasing the tension on the strut bar, the clearence increased.

One thing that I noticed is that thhe strut bar and the Injen CAI are rubbing the inside of the hood ever so slightly... just enough to scratch the paint a little.

Anyone else experiencing the same?

 

My clearence is about the same as yours, but I do not have any noises comming from the car. I had someone at the Dyno (I went to a Dyno day that costs $40 for 3 pulls), and someone else with the same exhaust (Greddy Evo2), but no spacer complained of a clanging from the exhaust hitting the cross member, but again, I don't have any noises.