Page 1 of 1

RBC inlet manifold

Posted: Mon Feb 15, 2016 8:57 am
by mezmo
Been looking at tegiwas website at the RBC manifolds.

One is mentioned to be 70mm whereas the other isn't.

From those who know, is there much of a gain over standard with the 70mm version?

Cheers guys

Re: RBC inlet manifold

Posted: Mon Feb 15, 2016 9:31 am
by wHAmEz
I might be wrong but the 70mm along with a 70mm throttle body would give you around 5-7bhp gain over the other. Again I could be wrong but that's my understanding. Would benefit from cams better.

Re: RBC inlet manifold

Posted: Mon Feb 15, 2016 11:57 am
by mezmo
That's quite a difference for a few extra mm.

Re: RBC inlet manifold

Posted: Mon Feb 15, 2016 12:39 pm
by Lewisgame
A lot depends on the other mods. With your usual bolt ons, 70mm throttle body and inlet will give minimal gains. You'll benefit from it more if you was to be running cams.

Re: RBC inlet manifold

Posted: Mon Feb 15, 2016 12:51 pm
by mezmo
Thanks guys. So unless I'm going down the cams route, there's no point in going for a 70mm RBC as it will offer no more gain a than the standard one?

Re: RBC inlet manifold

Posted: Mon Feb 15, 2016 1:00 pm
by *nub*
It will. But a few bhp only. And if your got a max figure in mind then any other restriction in your system may negate the gains you'd have got over a regular TB and RRC if you know what I mean ?

Re: RBC inlet manifold

Posted: Mon Feb 15, 2016 6:59 pm
by mezmo
Ah right. So it's all well and good having a 70mm RBC and throttle body etc, but any gains would potentially be lost if you were using a restrictive cat back for example?

Re: RBC inlet manifold

Posted: Mon Feb 15, 2016 7:23 pm
by wHAmEz
Yeah that's right [THUMBS UP SIGN]