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More individual tests and a couple professional tests will and would be good, as it broadens the range of tests done i say, but will clearly watch this page closely

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maybe they should like alot BIN Numbers to them like penfolds red wines :D how many bins it took to get the perfect one. But aggreed, its trial and error to which batch you get/got

maybe they should like alot BIN Numbers to them like penfolds red wines :laugh: how many bins it took to get the perfect one. But aggreed, its trial and error to which batch you get/got

Yep we can compare it exactly to wine :)

  • 2 weeks later...

ok as you know i recived my plenum a while ago got around to doin some work to it i have pics of before and after i will post up soon

well the casting was pretty average on the inlet ports they were a fair bit smaller in some cases which i can live with cause i had all intesion of match porting it anyways

i die grinded eveything came up a treat also clease up the water holes

i also cleaned up the inlet the inside was all pretty good wat you would expect form any plenum pretty much the same as my standard one

i then preped the top half of the plenum and grinded away the part where the greddy is normaly stamped

i then have sprayed it with this spray on bog stuff which give it a nice smooth fininsh only problem was i only done the top half not the bottom so that started to flake off cause of the crap dodgy silver paint that its painted in so im suggesting that you should get it diped n cleaned before any painting is done

i dont see how it will brake as it is structual solid no weakness

i can see improvment in air flow by a big diffrence but tune will only tell

all this was done in the matter of say 12 hrs (and i dont work fast lol)

pics will be up as soon as i can get them up

Thanks from the update, keep us posted :)

Just a suggestion.

I would not use any bog type spray on the plenum, as the aluminium expands and contracts as it heats and cools, which may result in cracks appearing in the bog, or the bog flaking off.

My mate had his genuine GReddy plenum powder coated, b4 install, and within a month crack were seen. The powder coater i/we use does awesome work and no cracks/faults on any other engine parts. My standard plenum is also p/c'ed and cracks can also be seen.

  • 2 weeks later...

yer have progressed alot in fact is it finished but my camera died i have painted it gloss black to keep it well sort of stelth iov moved away from the polished look ill try n get pics up asap

i will put up my dyno result as soon as i can to might get it flow tested will its off

i spose you can i dont know much about the 32's im guessing the ports would be smaller but being a stock standard car i would not bother my standard manifold supported up to 280rwkw try and find one already done for a rb20

HAHA i hope these are the ones hydro'ing engines as the water port was taped into the intake runner..... if nto all good, i prefer the finish of the genuine ones but hey who am i to judge if it works. :P

Edited by URAS

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