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Greddy Intake Plenum (manifold)

subie

By subie,
in Engines & Forced Induction

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STATUS Grand Master

STATUS

Posted
Posted
Hi peeps,

Does anyone know where can I get this type of Manifold ? (to suit RB20)

manifold-1.jpg

Cheers

Ford

thats a greddy flop to suit RB25, i hope they have fixed the coolant passage water injection from those copies now :D i have seen at least 5 hydro'd engines from them now.

but seriously hypertune and so forth do fabricated plenums for rb20 from memory.

STATUS Grand Master

STATUS

Posted
Posted
Ebay Link 1 is what I have on the way. Best design I have found thus far. Uras, didnt Trust make an RB20 one yeons ago???

nah cause twentys are gay :D

haha kidding. is yours making noise yet? when we going for a test drive.

Wheezy Mentor

Wheezy

Posted
Posted
nah cause twentys are gay :laugh:

haha kidding. is yours making noise yet? when we going for a test drive.

HRMMM strange, I vaguely remember seeing a picture of one on the R31 House site a while back (translation wasnt too good, but ah well)

Mine goes broom broom just after easter (I HOPE), Ill have to give u a ride, personally Im scared :rant:

teazn_r33 Mentor

teazn_r33

Posted
Posted
thats a greddy flop to suit RB25, i hope they have fixed the coolant passage water injection from those copies now :laugh: i have seen at least 5 hydro'd engines from them now.

but seriously hypertune and so forth do fabricated plenums for rb20 from memory.

i have one of these wat you mean buy that wanna make sure before i put it on

STATUS Grand Master

STATUS

Posted
Posted (edited)
i have one of these wat you mean buy that wanna make sure before i put it on

im based in melbourne and got called out to a workshop (remain unamed) to investigate genuine greddy plenums (turned out to be copies) hydraulic locking engines...... it turned out that a whole batch of these copies landed in melbourne and the manufacturer had tapped thru the water passage into the intake runner.... nice work. just pressure test the water passge if your worried.

Edited by URAS
Halo a Community Regular

Halo a

Posted
Posted
Unless its a pretty wild RB20 then dont bother. The std plenum seems to work really well for the sort of power you are going to get out of a 2L 6 cylinder. Spend all you rmoney on good quality bits, mainly turbo and a good tuner and you will get good results

+1

  • 2 weeks later...
Wheezy Mentor

Wheezy

Posted
Posted (edited)

plenum.jpg

Got this today....Its a KU Engineering one....Friggin top notch welding and design....Im stoaked...Should go nicley.

EDIT: Its really shiny too just my camera sucks the fat wang! (not that shine does anything for its performance) Also its fairly thick - the chamber, not just my old fella :happy: so it shant have problems leaning out a rear cylinder. But time will tell..

Edited by Wheezy
AD4M Proficient

AD4M

Posted
Posted
Unless its a pretty wild RB20 then dont bother. The std plenum seems to work really well for the sort of power you are going to get out of a 2L 6 cylinder. Spend all you rmoney on good quality bits, mainly turbo and a good tuner and you will get good results

couldnt agree more with Roy, i make 366.3hp (on two diferent dynos one in shootout mode) and still have more room to play, only real benifit you'll get is shorter pipe work.. spend the money elsewhere

Wheezy Mentor

Wheezy

Posted
Posted (edited)

HEHE Luckliy the figures that I'm chasing are higher. I totally agree that on pretty much any RB20 its not necessary, but it does get rid of alotta pipes and hoo ha when you wanna get to something on the engine :happy:

OH, and if youve spent the money everywhere else and am stubborn like me and wanna stay RB20 then go for eeeeeettttt

Edited by Wheezy
Roy Grand Master

Roy

Posted
Posted

What power are you chasing from the RB20? It will be interesting to see what power it makes with the plenum. Be great if someone could do a before and after with the plenum...i would except i just experimented with my engine at some expense only to put it back to the way it was so im shy about trialling anything for the time being

legend01 Experienced

legend01

Posted
Posted

I'll want to do the b4 and after thing with my rb20 after its all run in and going properly with the plazma man plenum just to see if there are any gains,but thats a while off just yet

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