287hp lower plenum on rev up
06-10-2006, 06:51 PM
#1
287hp lower plenum on rev up
If I was to do a swap from my rev up lower plenum to a 287hp plenum, what would happen? Has anyone tried this? I know MD has the Mrev+/Mrev2 (machined lower plenum) but what if it wasn't machined? Would there be any gains/loss?
06-10-2006, 10:38 PM
#3
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yes...
it gains all the low end torque that the "MREV" modification adds... But, if you just do the lower plenum, then you loose some in the top end...
thats where the spacers / upper plenums come in... they bring back some of the top end loss...
it gains all the low end torque that the "MREV" modification adds... But, if you just do the lower plenum, then you loose some in the top end...
thats where the spacers / upper plenums come in... they bring back some of the top end loss...
06-11-2006, 06:11 AM
#5
Hi Guys,
There are actually many dyno plots of the 287 collector with a 5/16" spacer. This is what the original MREV was. A couple dyno plots of them are still posted on the MD website.
MREV then evolved to MREV+ and then some time later to MREV2.
There are actually many dyno plots of the 287 collector with a 5/16" spacer. This is what the original MREV was. A couple dyno plots of them are still posted on the MD website.
MREV then evolved to MREV+ and then some time later to MREV2.
06-12-2006, 07:47 AM
#7
Definitly more top end.
In fact, the loss of top end was the motive in looking for ways to get a little more top end juice out of the lower collector.
It led to the MREV+. The changes made to the lower colletor were later expanded upon even further to create the MREV2.
Tony
In fact, the loss of top end was the motive in looking for ways to get a little more top end juice out of the lower collector.
It led to the MREV+. The changes made to the lower colletor were later expanded upon even further to create the MREV2.
Tony
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06-15-2006, 03:36 PM
#8
Originally Posted by Hydrazine
Definitly more top end.
In fact, the loss of top end was the motive in looking for ways to get a little more top end juice out of the lower collector.
It led to the MREV+. The changes made to the lower colletor were later expanded upon even further to create the MREV2.
Tony
In fact, the loss of top end was the motive in looking for ways to get a little more top end juice out of the lower collector.
It led to the MREV+. The changes made to the lower colletor were later expanded upon even further to create the MREV2.
Tony
Have you tried the Mrev2 + 5/16 spacer on your rev up yet?
06-15-2006, 11:02 PM
#9
Originally Posted by bugsbbunny
Hey Tony,
Have you tried the Mrev2 + 5/16 spacer on your rev up yet?
Have you tried the Mrev2 + 5/16 spacer on your rev up yet?
I've been very busy working on several other new types of mods. I'll put the spacer in for the next track event though.
Making and testing new mods sure is a lot of slow and time consumig fun!
06-19-2006, 11:12 PM
#10
Originally Posted by Hydrazine
No, not yet.
I've been very busy working on several other new types of mods. I'll put the spacer in for the next track event though.
Making and testing new mods sure is a lot of slow and time consumig fun!
I've been very busy working on several other new types of mods. I'll put the spacer in for the next track event though.
Making and testing new mods sure is a lot of slow and time consumig fun!
05-26-2007, 11:56 AM
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Originally Posted by Hydrazine
Hi Guys,
There are actually many dyno plots of the 287 collector with a 5/16" spacer. This is what the original MREV was. A couple dyno plots of them are still posted on the MD website.
MREV then evolved to MREV+ and then some time later to MREV2.
There are actually many dyno plots of the 287 collector with a 5/16" spacer. This is what the original MREV was. A couple dyno plots of them are still posted on the MD website.
MREV then evolved to MREV+ and then some time later to MREV2.
if anyne is still reading this could you link me to these dyno plots w/ 287 collector + 5/16" spacer?
also a comparison one with 287 collectors vs. MREV+ is the key one I'm in search of (on revup motor of course w/ use of a 5/16" spacer is good too)
Last edited by civic4982; 05-26-2007 at 03:28 PM.
05-26-2007, 01:15 PM
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Originally Posted by mw9
which would you go with, I have an 03 touring. I already have the 5/16 spacer
1 mrev2
2 mrev2 + spacer
3 mrev2 + spacer + upper plenum
1 mrev2
2 mrev2 + spacer
3 mrev2 + spacer + upper plenum
I have both the MREV2 (iso-thermal) and the 5/16 spacer for my '03, and I'm wondering if I should just install one or the other until I had the exhaust finished and was ready for a tune, or if it was fine to go with both for now and tune in about 3 months.
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