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Intake spacer

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FMFGSX

15+ Year Contributor
96
0
Jan 20, 2006
2143, New Jersey
So I've been reading different things about the brands. Which one works the best? Hondata, Magnus, or the Outlaw Engineering Phenolic spacer kit?
 
Hondata? Im lost as to where Hondata products deal in a completely different application. Don't they just deal in electronics?
 
I wonder if those plastic spacers really are durable over a long time.

Everything that was getting really hot over time made of plastic broke into pieces:
the spark plug cable holders under the plastic cover, the black cable holder on the right and the plastic cover itself.

Anyone here who is using a spacer in a daily driver for years?
 
I run the Outlaw racing spacer. Its made of actual phenolic and is fairly thick. The Hondata
spacer is a toy in comparison and fairly thin thermoplastic, I never even attempted to install that one.
 
I run a phenolic spacer. Where you get it from probably doesn't matter as long as they're reputable and it's the exact one for your application. They're super durable as shown in this video...

YouTube - GrimmSpeed Phenolic Spacer Ethanol Fire Test

Plastics have always proven to crack when constantly fluctuated between hot and cold conditions, and a pressurized high performance engine like ours is definitely the last place i'd expect them to hold up.
 
I personally had a slowboy one and it was the great. My friend purchased the magnus one and it ended up cracking and leaking. So general consensus is he switched to a slowboy and he's been fine so far. They all make great products but it just come's down to what each specializes in.
 
According to SBR their spacer is a softer plastic, work a little better, and are $5 cheaper.
 
I run the Outlaw racing spacer. Its made of actual phenolic and is fairly thick. The Hondata
spacer is a toy in comparison and fairly thin thermoplastic, I never even attempted to install that one.

Do you have a link to that spacer? Just did a quick google, And didnt come up with anything.
 
Nice kit! its 40$ more then the POS Hondata spacer I have (what a waste of money!). Considering All of the other plastic or possibly phenolic gaskets. That is a hell of a deal.
 
You forgot that the Outlaw kit also includes an additional throttle body spacer, an IAC spacer and all necessary gaskets and bolts.
All plastic gaskets are too expensive in my opinion too, but show me a "performance" aftermarket part, that is really cheap...
They all want to make their money and must live somehow.
 
Ok, Saying it is a POS is merely a personal opinion, And not in anyway based on its performance data.
As its test results show, It Does decrease intake manifold temps and Does make power (Drag car).

After spending the cash on the Hondata spacer and finaly getting it in myhands. I wanted to slap myself! One for not researching it more and two not looking into a real phenolic spacer. So thats why I said what I did. My bad.

Now that being said. For a Daily driver its a complete Waste! as the plasitic material its made of does not have the thermal resistance needed to stop the constant heat transfer of a street driven car, A drag car Shure it probly excells (for the 9-14seconds its being used).
For a street car to see a Overall temp drop the spacer must be Phenolic material and not plastic. And especially not as thin as the hondata gasket is.

I personaly run a 3/4" Phenolic spacer under my TBI or Carb setup on my truck and can tell you this.

With my intake hot enough to burn flesh. My Carb is barely warm. Understand I swap Holley TBI and carb back and forth in this truck about as mutch as ppl change oil.
Useually after a drive from home to work my TBI is almost ICE cold! literaly has condensation on the outside! Due to fuel evaporation or atomization (whichever term you prefer) on the sides of the throttle bores. My TBI setup sits atop a Edelbrock Intake, with the phenolic spacer then a Aluminum adapter on top of that for the Tbi to bolt onto.

The plastic Spacer I used before it SUCKED! so bad I made my own Phenolic spacer here at work and have never looked back.

Now granted a DSM is a far cry from a 4.3 V6, But the thermal principles are the same. Plastic just does not compare to real phenolic materials.
 
I run a plastic heat barrier on my track car. I've had it on and off the car a couple of times and it still works fine. Hasn't melted yet even after 20+ minutes going full out at Watkins Glen.

Got if off ebay for $20 a few years ago.
 
I've used the hondata IM spacer and it worked wonderfully on my old ITR. It doesn't really "add" any power but the car feels better when ran hard for long periods of time, i.e. track days. If you're swapping intake manifolds, I would get one if for nothing more than they are basically infinitely reusable.
 
Hondate is nice I guess if you don't want to use an intake gasket along with it. The Outlaw phenolic "spacer" uses 2 paper gaskets, one on either side. These are known to fail when wet and simply crumble apart. I don't see them handling high boost for very long. I ripped them off and ran 2 stock OEM viton crush gaskets, 1 on either side. That setup will outlast the car.

Any phenolic spacer will heat soak eventually if it sits there idling long enough, these things can't defy the law of physics. Having said that it does work well based on the ever popular yet unreliable touch test. Though I also installed a ported 63mm throttlebody and ported EVO3 intake manifold at the same time.
 
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