GSR fab. plenum
Made this for a 2.1L with GSR head. Doing some testing but a gain of 20whp was seen went from 205whp to 225whp. Not the best looking intake but needed something quick.


yo you got to blend all those welds on the inside , it looks like you welded them through the inside and out side. or it had a supper penetration, im a welder at orlando metal fabrication here in orlando and did many plenums and manifolds in puerto rico and i know what a blended inside weld could do in terms of flow and power.sow try to blend it flush on the inside and youll see better results.... good luck.
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"Dude.. I seen your MR2 at CSCS at cayuga a month or so back.. You broke an axle first pass..
Sick car !"
Now I am making a hub for it.

Modified by monster007 at 3:02 PM 7/14/2006
Sick car !"
Now I am making a hub for it.

Modified by monster007 at 3:02 PM 7/14/2006
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Posts: 4,712
Likes: 1
From: gravity rides everything...everything will fall, se GA/ne FL
did you do anything special to the middle plate and/or runner inlets? good job on the power production.
Who is Mr Robot?
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From: ATL - Where the Pimps and Players dwell
my guess would be an ultra-fine 3m scotch brite pad and some wd40.
randy needs to make me one as well
monster, if i supplied material and a cad drawing think you could make some hubs for me? i work at a machine shop but we're too slammed to do my work
randy needs to make me one as well

monster, if i supplied material and a cad drawing think you could make some hubs for me? i work at a machine shop but we're too slammed to do my work
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by RMF »</TD></TR><TR><TD CLASS="quote">I made one kinda like that too about a year ago for a allmotor guy and it does work good.


</TD></TR></TABLE>
VERY NICE RANDY!



</TD></TR></TABLE>VERY NICE RANDY!
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by hootiehoo »</TD></TR><TR><TD CLASS="quote">whoa man!
did you like raid a scrap bin?</TD></TR></TABLE>
LOL I was thinking the same thing
did you like raid a scrap bin?</TD></TR></TABLE>
LOL I was thinking the same thing
Monster's design appears to be more well thought... The wide radius entry point where the TB sits would allow much better air distributution than the traditional entry style (cyl #4 gets a wider angle path) -- Similar to the few of the Wilson's intake manifold. The tapered plenum for the 1st cylinder runner is also a good design on Monster's intake, where as RMF's is only a regular capped off end of a pipe
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<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Tony the Tiger »</TD></TR><TR><TD CLASS="quote">Monster's design appears to be more well thought... The wide radius entry point where the TB sits would allow much better air distributution than the traditional entry style (cyl #4 gets a wider angle path) -- Similar to the few of the Wilson's intake manifold. The tapered plenum for the 1st cylinder runner is also a good design on Monster's intake, where as RMF's is only a regular capped off end of a pipe
</TD></TR></TABLE>
Dude ,Do you know anything about intake manifolds?And do you see the taper on mine?I'm not saying anything about who's is better.I am just saying that i made one too and that YES they do work.I also made a bigger one that made more HP but lost alot of TQ.
Also whats good about this style is that you can stack the spacer plates untill you get the correct volume
</TD></TR></TABLE>Dude ,Do you know anything about intake manifolds?And do you see the taper on mine?I'm not saying anything about who's is better.I am just saying that i made one too and that YES they do work.I also made a bigger one that made more HP but lost alot of TQ.
Also whats good about this style is that you can stack the spacer plates untill you get the correct volume
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by RMF »</TD></TR><TR><TD CLASS="quote"> Dude ,Do you know anything about intake manifolds?And do you see the taper on mine?I'm not saying anything about who's is better.I am just saying that i made one too and that YES they do work.I also made a bigger one that made more HP but lost alot of TQ.
Also whats good about this style is that you can stack the spacer plates untill you get the correct volume</TD></TR></TABLE>
How can you make hp but lose torque? The only possible way to do that is increase rpm, but then you are talking about super ghey peak numbers. Its just physically impossible to make more HP at lets say 6000rpm, without increasing torque output.
Also whats good about this style is that you can stack the spacer plates untill you get the correct volume</TD></TR></TABLE>
How can you make hp but lose torque? The only possible way to do that is increase rpm, but then you are talking about super ghey peak numbers. Its just physically impossible to make more HP at lets say 6000rpm, without increasing torque output.



