Intake manifold gasket/ spacer

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Mazdaspeed Protege 03
How come nobody has this mod? From what I hear It does a lot reducing intake charge temps and adding power at the same time. Also a lot of Honda owners especially Rsx owners do this mod as it is relatively cheap and adds power. Any thoughts.
 
Who said anything about an exhaust gasket spacer?

An intake manifold spacer will add a couple of HP (maybe 2-4)
 
No exhaust gasket spacer, but a a intake manifold spacer. Rsx owners buy this from hondata and claim 3.5 hp. For our car I saw a link and it said around 3 hp too.
 
seems like a good mod. I think one of the kits comes with intake manifold, tb, and coolant bypass kit. Prop be one of my first mods if I ever get around to it. Good way to get to know your engine bay if your not the type to dig like me
 
doesn't seen like it would do much for our cars since we have a duel runner setup.because in genaral the longer the runner is the more towards topend your power will be.
I think porting would net better gains then this.
 
oh haha im an idiot i read the damn thing like ten times and somehow kept seeing exhaust instead of intake....yea that mod does add power but like wicked said we have dual runnes so I'm not sure we'd see the gains like other cars would...
 
wicked said:
doesn't seen like it would do much for our cars since we have a duel runner setup.because in genaral the longer the runner is the more towards topend your power will be.
I think porting would net better gains then this.
It's not for the length of runner. It's a phenolic spacer used to insulate against conductive heat transfer. An attempt to keep a bit more heat away from the intake air. I have Outlaw's kit, but haven't installed it yet. Hondas with FI use these things a lot, with decent results.

BTW - longer runner = low end power. Short runners are for higher RPM power.

Thinking about porting as well, Brian is getting good results with it.
 
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Glowmunkey said:
It's not for the length of runner. It's a phenolic spacer used to insulate against conductive heat transfer. An attempt to keep a bit more heat away from the intake air. I have Outlaw's kit, but haven't installed it yet. Hondas with FI use these things a lot, with decent results.

BTW - longer runner = low end power. Short runners are for higher RPM power.

Thinking about porting as well, Brian is getting good results with it.
Coo man, keep us updated as I am very interested in this type of mods b/c ive done the regular things that most people do on this board concerning increasing the efficiency of the turbo excluding the last stage of upgrading and this would be a good direction for others to follow if good gains are made.
 
Yeah I thought some of those gaskets were hard plastic..and they really are not spacers they are replacements, right..?
 
Ahh, mainly a better material that does'nt promote the transfer of heat from the head to the intake manifold.

Streakin I have seen articles before for hondas promoting plastic outlined with o-rings a while back claming to drop intake temps...
 
there are plastic, metal and phenolic type but the first two were mainly used with domestic engines and carbs. the spacing and the design pattern of the spacer could alter and/or net power gains on those type of motors.

the spacer in focus though for our cars is just to target and promote cooler temps. seems like a logical modfication but never tried it myself.
 
Try doing what I have done to the intake manifold while you have it off. Oh do this if you only use your vehicle for off road use.
 
BlkZoomZoom said:
Try doing what I have done to the intake manifold while you have it off. Oh do this if you only use your vehicle for off road use.
What did you do?
 
BlkZoomZoom said:
Try doing what I have done to the intake manifold while you have it off. Oh do this if you only use your vehicle for off road use.
I was planning on it, I just need to get a hold of another manifold. I'm new to porting, so I want to do this on an extra. What ones can I use? MP3, P5, or any of the normal Protege manifolds?
 
Any 2.0l. intake manifold. The Mp3 did not have the shutter valves (thats the only diff. I know of).

Heres a couple of pics. of what I have done....
 

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