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I was speaking to AVO and they said they still sell plenty of their housings so someone must like them..

They are not ideal though and you dont really save alot of money doing it.. so i wouldnt recomend it..

A 400-450hp compressor is all I would throw at it.

I was speaking to AVO and they said they still sell plenty of their housings so someone must like them..

yeah my custom Rb25 highflow turbo, built by ATS Adelaide Turbo Services, utilises the AVO .73 rear housing matched to a stock V45 Nissan comp.housing (machined out) with gt3076iw ball bearing core. Rated to around 280rwkw at ~19psi, capable of 22-23psi, and made to look like the Stock Standard turbo.

The AVO exh.housing works well for the application it is intended for. 250-280kw range, auto or manual, bolt-on option.

I wonder wht the .73 housing flows less than the .63???:glare:

Anything that bolts up to the stock dump pipe is a compromise for the 60mm turbine. There has been disappointment from these housings in terms of their power they make at the top end. So while you feel like you are saving some money on the front end you may end up with an expensive lesson if the results aren't what you want.

The GTX3071 'on paper' will make similar power to the older 76mm GT compressor but history has shown that the AVO will probably max out before the compressor has done its best.

The ARR is just what it sounds like and area radius ratio so there is not much joy in comparing the 0.73 to a garrett 0.63 or 0.82 GT30 framed ARR. The 0.73 seems to flow less than the 0.63 (The Mafia has done more to max out a 0.63 than anyone if you search for it).

I think you will get better results if you suck it up and change dump pipes and use a native garrett housing.

Hypergear results recently are showing some really good results that are very similar on paper to HKS2835ProS, plus the Kando Dynamic turbos also are producing good numbers at great prices but also require a little bit of fiddling around, like a Garrett turbo, the first time you install one.

If you are committed already I would ask if you can change to the Garrett turbine housing instead.

I wonder wht the .73 housing flows less than the .63???:glare:

Already answered, the number is the area radius ratio. If the area and/or the radius is different then.....

You are not comparing two GT30 based turbine housings.

So I take it you are going with a non-garrett housing then?

yeah thats what i paid for mate so ill just bite the bullet and see how this setup goes :thumbsup:

Already answered, the number is the area radius ratio. If the area and/or the radius is different then.....

You are not comparing two GT30 based turbine housings.

So I take it you are going with a non-garrett housing then?

yeah mate im hoping you will be around to see what the end result is too :thumbsup:

this is my first RB and i havent driven a skyline with a bigger turbo before so i wont be able to make a comparison to anything else

im sure what ever the power figure ends up its gunna feel much more lively than the 203kw i have now!:nyaanyaa:

HOPEFULLY IM SATISFIED FOR A WHILE ANYWAYS! HAHA

For comparisons sake, here is a picture of my GTX3071R's 5 bolt rear:

see heres a pic of mine old tech 3076 comp with the modified .64 skyline rear..

i can smash the pedal in any gear at anytime and it goes hard

296019.jpg

compared to stock

6june017.jpg

you can almost see by the size of it its going to choke..It is still very quick on the street with full boost 19psi around 3500 and the small housing does give great response it drops to about 17psi by 6500rpm though, as do most IG and once you get in the upper rev range over say 5500rpm it just isn't as exciting as it should be.

Its making around 240kw @ 19psi which is alot of boost for not much result, but it is an old tech compressor. A new GTX one would make more but not much, 260 maybe, tangles makes 250kw ,if i played around with cams and gears etc it might make more, but I'm not going to bother as its easier to just swap it completely..

its still good fun and very driveable on the street with stock like response. The bit of extra lag it does have helps stop it form stepping out or losing traction to early, so its actually quite well balanced in an unbalanced kind of way :wacko:

I was speaking to AVO and they said they still sell plenty of their housings so someone must like them..

They are not ideal though and you dont really save alot of money doing it.. so i wouldnt recomend it..

post-31977-0-12241900-1314451941_thumb.jpg

The housing is much bigger I do prefer the look of the wastegate being separate on the garrett housing too but oh well its a done deal now so see how it goes when she is bolted in an all tuned up with with my hks cam gears and timing belt

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