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Feed Back Needed.

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By Ad's,
in Engines & Forced Induction

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Ad's Mentor

Ad's

Posted
Posted

Ok i know i might get flamed for this but i have had a look around and i can't really find much and answers im looking for.

Long story short i bought this turbo off a mate that converted it from bolting onto a SR by putting a OP6 rear housing on it, whilst doing that he rebuilt it and got it highflowed by Adelaide turbo services.

Turbo is no blown and in my possession and im at the point where im going to get it rebuilt bigger or to similar specs soon, only problem is im not too sure if i should go bigger as im chasing midrange and more responce.

The engine is a rb25 so i know what you are thinking "why more responce" i shift around the 4-6000 rpm and ill be using the car for hill climbs and motokahanas once shes all back together. The turbo was on his rb25 and he said it would spool up really quick witch is what i am after.

The turbo from what i can tell is a 2860rs with a .63 rear housing. Doing some searching this turbo will choke on a rb25 up top end but im not chasing top end power.

What type of power should i expect from this turbo if i rebuild it to it's current specs?

What do people recommend if i decide to go bigger? Something around the 3071r 3076 etc?

Anyone got dyno print outs or have fitted one of these to their car?

I have attached some pics below:

12032012394.jpg

12032012395.jpg

12032012397.jpg

I tryed looking around before posting as i hate reading noob threads :domokun: .

Thanks

Adam

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R31Nismoid Grand Master

R31Nismoid

Posted
Posted

His post was not pointless...

What he is saying is that the rear housing and wheel has a ... LOT... of room.

This means it could potentially be quite laggy, and for such a small compressor - its sorta the worst of both worlds.

You'd be better off with a 3071, or going smaller to say a HKS2530 size turbo if you really want response (220rwkw).

GTScotT Grand Master

GTScotT

Posted
Posted

Being highflowed in the past means it is no longer a GT2860RS.... it just has the RS front cover, who knows whats inside.

It does look poorly sized at the moment. If it is blown I recommend you send it to Hypergear and have him fit one of his CHRA into your housings. Should cost less than a full turbo.

If it is not blown I recommend you work out what spec it is then sell it used. Put that money towards a hypergear SS1PU.

GL

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