Motordyne Spacer - Feedback

ronsno

Member
I've gone through most of the threads linked to the Motordyne Spacer, but I haven't really seen much on the results. What are users experiencing? Was it worth it? Any long-term feedback, good or bad?:wub:
 
I have an 1/2" spacer in mine.
I think its the best mod to do on our cars.
You feel the difference right away.
On mine you feel it pull a lot harder than stock around the 4k RPM range.
Best bang for the buck mod in my opinion.
 
I've gone through most of the threads linked to the Motordyne Spacer, but I haven't really seen much on the results. What are users experiencing? Was it worth it? Any long-term feedback, good or bad?:wub:

I have a 5/16 spacer and ISO thermal spacer. I felt a very noticeable difference after installing it. I think it was well worth the money. I know there are different brands out there, but you get a superior product with Motordyne (great customer service ! friendly too)
This can be a DIY ( I installed this kit myself, including the ISO thermal spacer) and it took a few hours only because I wanted to paint the upper plenum.

As Psiclne said, one of the best mods for the $. I can't say the best mod yet because I am planning on installing a UR underdrive pulley. I'll see how that goes.
 
I've gone through most of the threads linked to the Motordyne Spacer, but I haven't really seen much on the results. What are users experiencing? Was it worth it? Any long-term feedback, good or bad?:wub:

My experience was the same. Around 4-4.5k RPM, you can really feel it kick in. This would be the best bang for your buck, if you already have the Intake. Next Mod, Release back end pressure. (exhaust)

FYI, I think I had posted this in another thread. I've got a barely used 1/2" Motordyne Spacer for sale. Look in Classifieds.
 
Copper ISO Therm Motordyne Spacer

Thanks for the feedback. I think I will go with the 5/16" vs the half inch because of compatibility. I live in the Northwest. From Motordyne's website, it looks like the copper ISO thermo (on sale $274) might be the way to go for me. They state it's a plug and play version. I wouldn't have to mess with a setting. Here in the NW, the temperatures fluctuate rapidly. What do you think? By the way, after this mod, I will get the catback exhuast.
 
I have powerlab 3/8 spacer and I've been happy with it ever since I installed. It makes the car noticeably louder at higher rpm
 
Thanks for the feedback. I think I will go with the 5/16" vs the half inch because of compatibility. I live in the Northwest. From Motordyne's website, it looks like the copper ISO thermo (on sale $274) might be the way to go for me. They state it's a plug and play version. I wouldn't have to mess with a setting. Here in the NW, the temperatures fluctuate rapidly. What do you think? By the way, after this mod, I will get the catback exhuast.

Plug and Play as you call it is an understatement. You still have to get it installed. Also, im most cases, you have to reset the ECU.
 
Also, im most cases, you have to reset the ECU.


You DONT have to reset the ECU. It will eventually learn. Its just makes the ECU learn the changes quicker. But its not a requirement. I have never reset my ECU after any mods. I just let it learn on its on. I didnt want to deal with resetting the radio presets and seat memory etc etc.... pain in the butt.
 
What I ment by plug and play was after it was installed. From the website it appears that on the others you have to adjust it for the conditions. I read from other threads, you can disconnect the negative side of the battery for a few hours to reset the ECU. Any feedback?
 
As Psiclne said, one of the best mods for the $. I can't say the best mod yet because I am planning on installing a UR underdrive pulley. I'll see how that goes.[/quote]

What the heck is the underdrive pulley mod?
 
I will do the Motordyne first. Any experience with the Copper Iso Therm version out there?

Let me know what you decide. I can buy you the Copper upgrade and sell you my 1/2" Iso Thermal with the Copper Upgrade for $275 plus shipping.:wink:
 
From Motordynes website, they say the 5/16" requires no modifications of the car, whereas, the 1/2" does. I don't want to do any cutting or outward modifications. So thanks for the offer, but I'll probably go with the 5/16". Also, I think I read the 5/16 is better for low end, correct me if I'm mis-informed.
 
Ronsno: the 1/2" doesnt require any mods to the car...those mods are only needed for the 350z and possibly the G35 but we have TONES of space under the hood, like 3 inches or so maybe more. you will be fine with any spacer you get. Currently i have a 3/4" spacer and theres a bunch more room:biggrin:
 
for the spacers do u guys retighten the spacers every 5-6 months?


I would say this would be a good idea after the first week, due to heat expansion and contraction of the metals parts. Usually they will remain "tight" especially the loctite bolts:top:
 
recheck torque specs with a torque wrench but do not tighten unless needed, these bolts break easily. If you do not have a leak or vacuum problems you probably are fine.
 
recheck torque specs with a torque wrench but do not tighten unless needed, these bolts break easily. If you do not have a leak or vacuum problems you probably are fine.

+1 forgot to mention that ... some members have over torque the bolts and broke them during install.:eek:
 
From Motordynes website, they say the 5/16" requires no modifications of the car, whereas, the 1/2" does. I don't want to do any cutting or outward modifications. So thanks for the offer, but I'll probably go with the 5/16". Also, I think I read the 5/16 is better for low end, correct me if I'm mis-informed.

The installation of the 5/16 is exactly the same as 1/2". There is only one modification you need to do and that's to cut the coolant pipe that goes to the Plenum and install a valve. If you live in an area that most of the time is less than 65F, you don't need to install the Valve. The Valve cuts the coolant flow to the plenum so it does not warm up unnecessarily. You will need it to keep it from freezing. I'm prety sure that here are a few modifications for the use of the copper piece sine it has coolant going though it.
 
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