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CPC custom plenums
Started by ISL33P vbmenu_register("postmenu_559702", true); · 22 June 2005 · 149 repliesPreserved from CalaisTurbo (partial recovery). Original authors and dates are shown; archived members are not current Holdcom accounts.
21-02-07, 14:09 GMT+10#142
Can't wait to get this plenum.
I'll post up pics once, i get it.
Thanks Ariel!
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21-02-07, 22:08 GMT+10#143
andy, it will be on its way ASAP
AKUZED - attached are some pics of yours which left today. Andy yours is the same but no 80mm tb.
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26-02-07, 21:41 GMT+10#146
Wouldn't have any pics to suit the R32 RB25DE head?
I'd assume an Rb20det suitable plenum would 'look' the same apart from the end of the runners being slightly larger for the rb25de head.
As you know ISL33P I'm all for the performance benifits of short runner plenums on the rb25/30's. I've seen it with my own eyes, they do wonders for the power curve. :)
I'm in the market for a plenum and you have been fiddling for a couple of years now sooo......
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26-02-07, 22:05 GMT+10#147
Hey Cubes, you are 100% right and its dyno proven for short runners do absolute wonders for torque curves.
Here is a couple of photos of rb25's i have done. They may look familar as this is the same plenum on Spoolup's car, which has been busy getting it sorted and updates in the rb30 r33 conversion thread on SAU.
I am just doing another two at the moment which will have the base angled similar to the rb30's to help with strength but more benficial is the flow increase...massive.
I am starting to get an idea of how they all work, but there is still a hole heap more to learn...hence the flow bench coming along nicley to help me out a whole heap more....hopefully progress will never end.
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02-03-07, 18:34 GMT+10#148
Thanks champ!
Received the plenum today!
Awesome piece of work. Feedback Sent!
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