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New 500hp+ stock location rcm turbo?!

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Old 08 September 2016, 11:10 AM
  #61  
bustaMOVEs
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Never seen a precision make 500 on just pump fuel
Old 11 September 2016, 09:21 PM
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WR1 WOZA
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what precision turbo model etc would you recomend for a 2.1 stroker kit on a wr1 want about 450- 460 !! cheers ?
Old 11 September 2016, 10:02 PM
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There's only 1 Subaru specific fitment and that should be easily achievable
Old 11 September 2016, 10:06 PM
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whats the model no ! how much would it be and is it available in uk or do u have to import it please ?
Old 11 September 2016, 10:35 PM
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Not sure on model number but only 1 stock location Subaru fitment.
Approx £1500 delivered I belive from likes of sumo power, think AS performance, Allan Jeffrey and AET supply them too, not sure on price though.
But I was quoted £1500 delivered to my door from sumo a while back.
Old 11 September 2016, 10:36 PM
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It's the 525 rated turbo but that must mean on meth lol as never seen it make that on pump fuel.
Old 11 September 2016, 11:06 PM
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Originally Posted by bustaMOVEs
It's the 525 rated turbo but that must mean on meth lol as never seen it make that on pump fuel.

Cool thanks !!
Old 12 September 2016, 07:29 AM
  #68  
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Personally I wouldn't get too hung up on figures, most people on here do! It's a capeable turbo that will do pretty much what you want it to do. I'm pretty sure I'm the only person who has used one on both a 2.5 and 2.1 and it works on both, but differently obviously.
Speak to Alyn at AS performance for one
Old 12 September 2016, 06:32 PM
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The precision is capable of over 500 on vpower with supporting mods. In fact RCMs own demonstrator is over 500
Old 12 September 2016, 06:57 PM
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Originally Posted by Mad Hammer
The precision is capable of over 500 on vpower with supporting mods. In fact RCMs own demonstrator is over 500
Is it? Never seen a graph of one doing 500+ on vpower, always just under. Good to know they 'can' do it.
Old 12 September 2016, 07:09 PM
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Originally Posted by bustaMOVEs
Is it? Never seen a graph of one doing 500+ on vpower, always just under. Good to know they 'can' do it.
http://rogerclarkmotorsport.co.uk/st...n-billet-turbo

http://rogerclarkmotorsport.co.uk/up...3034d4c7c7.pdf

^^^ Have no idea if there's a splash of meth involved though.


But bottom line: yes the turbo itself is capable of it (in terms of its maximum CFM flow rate).

Last edited by joz8968; 12 September 2016 at 07:27 PM.
Old 12 September 2016, 07:13 PM
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There you go. Great little turbo, if my stock position GT30 didn't do well over 500 on my sprint car then I would go the precision route.
Old 12 September 2016, 07:36 PM
  #73  
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Not arguing here but, I've never seen anyone's else do 500 on pump fuel, yes rcm have a graph of it and I am assuming it's pump fuel and no meth or tricks to dyno etc (you won't sell a product if you can't prove it) from a business selling the product then......all I'm saying it would be a better confirmation by a member or user actually making that power without meth.
Not doubting rcm mind, I've spoke to them in past and ime very sketchy in their response, they know how to answer.

Tbh I was going to get one, but thought it was a bit too big for my needs at the time, may still get one as they prove to be great units.

Last edited by bustaMOVEs; 12 September 2016 at 07:37 PM.
Old 12 September 2016, 08:50 PM
  #74  
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I can assure you their graph is fact and on Vpower. They have stopped selling the old range of gt30s to be replaced by this unit.

I know of one more over 500 but I'm not posting someone's else's graph.

I know my tubbys and like I say I would use one on my application if my current turbo died.
Old 12 September 2016, 09:15 PM
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Originally Posted by Mad Hammer
I can assure you their graph is fact and on Vpower. They have stopped selling the old range of gt30s to be replaced by this unit.

I know of one more over 500 but I'm not posting someone's else's graph.

I know my tubbys and like I say I would use one on my application if my current turbo died.
Ah ok, well that's good enough then it is possible with 'right' mods.
You dont know what boost it was running to get the that figure by any chance?
Old 12 September 2016, 09:28 PM
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1.8 bar iirc
Old 13 September 2016, 07:20 AM
  #77  
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Id listen to what Clive is saying, he is certainly in the know regarding what/who's turbos are make what power. I can only speak from my own experiences.
Regarding RCM's car after seeing it in action, I can testify that car is doing big power on one of these turbos.

Busta are you considering one of thes on your newage 2.0? I cannot imagine it would fair that well or even lady that long on a stock block? I could be wrong....
Didn't bens let go?
Old 13 September 2016, 07:20 AM
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Id listen to what Clive is saying, he is certainly in the know regarding what/who's turbos are make what power. I can only speak from my own experiences.
Regarding RCM's car after seeing it in action, I can testify that car is doing big power on one of these turbos.

Busta are you considering one of thes on your newage 2.0? I cannot imagine it would fair that well or even lady that long on a stock block? I could be wrong....
Didn't bens let go?
Old 13 September 2016, 07:57 AM
  #79  
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Originally Posted by joe v3sti
Id listen to what Clive is saying, he is certainly in the know regarding what/who's turbos are make what power. I can only speak from my own experiences.
Regarding RCM's car after seeing it in action, I can testify that car is doing big power on one of these turbos.

Busta are you considering one of thes on your newage 2.0? I cannot imagine it would fair that well or even lady that long on a stock block? I could be wrong....
Didn't bens let go?
I know who clive is and I acknowledge whats said.

I nearly bought one but instead bought the SC.
not because of turbo, he was only running 490, and he was testing flat foot shifting and it broke lol.

He broke a box (5sp) and recently has a oil leak so when fitting another engine.
Ben brakes everything he touches lol
Old 13 September 2016, 09:03 AM
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Originally Posted by bustaMOVEs
I know who clive is and I acknowledge whats said.

I nearly bought one but instead bought the SC.
not because of turbo, he was only running 490, and he was testing flat foot shifting and it broke lol.

He broke a box (5sp) and recently has a oil leak so when fitting another engine.
Ben brakes everything he touches lol
Pointless using a 5speed with that as it isn't going to last 2mins, just look at Tims before 6speed.
Old 13 September 2016, 09:20 AM
  #81  
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Dont tell me, im aware of that.
Old 13 September 2016, 11:53 AM
  #82  
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Originally Posted by MrBlobby
What ecu was this on?

Anyone else got graphs/specs to add to the thread? Have to admit I'm leaning towards one of these having previously wanted to either go 321t or sc46
Alcatek of course, it's the one we choose on 9 out of 10 applications.
Old 13 September 2016, 11:57 AM
  #83  
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Originally Posted by bustaMOVEs
Not arguing here but, I've never seen anyone's else do 500 on pump fuel, yes rcm have a graph of it and I am assuming it's pump fuel and no meth or tricks to dyno etc (you won't sell a product if you can't prove it) from a business selling the product then......all I'm saying it would be a better confirmation by a member or user actually making that power without meth.
Not doubting rcm mind, I've spoke to them in past and ime very sketchy in their response, they know how to answer.

Tbh I was going to get one, but thought it was a bit too big for my needs at the time, may still get one as they prove to be great units.

The advantage the RCM car has is a well built and well specced motor from the ground up. The cars we have tuned which were fitted with Precision turbos all used stock valve train and there's certainly power to be gained from a set of well specced heads. The perfect example of this for me was a Type 25 we fitted with a 450bhp rated turbo which made 485bhp effortlessly due to it's Cosworth big valve heads and cams.

The Precision is a 525bhp rated turbo, but of course all your ducks need to be in a row if you're going to get there on pump fuel alone
Old 09 October 2016, 08:10 PM
  #84  
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Well I'm busy getting the last of my parts fitted for mapping on Thursday with Bob Rawle - I'll update after the first visit to shell haha👍
Old 20 October 2016, 05:36 PM
  #85  
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How are you liking it Aaron?
Old 20 October 2016, 05:40 PM
  #86  
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Didn't happen, fella.
I'd been sent the wrong diff by Pole Position and couldn't map on the day... cars sat in the garage awaiting next mapping day now. I'm gutted
Originally Posted by joe v3sti
How are you liking it Aaron?
Old 20 October 2016, 06:36 PM
  #87  
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What diff do you need
Old 20 October 2016, 06:38 PM
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I've received a replacement from them, but lost my spot due to it being sent to me 2 days later than quoted so have to wait to see if its the correct one
Originally Posted by joe v3sti
What diff do you need
Old 20 October 2016, 06:56 PM
  #89  
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That's a shame. Make sure to let us know how you get on. There doesn't seem to be many results out there for these yet. Saying that numbers and graphs are a bit hit and miss
Shame as they are a good unit
Old 09 December 2016, 07:37 PM
  #90  
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EVENTUALLY - I'M BACK WITH MY FEEDBACK!

If you're looking for 500 on 'pump fuel' don't look at this.

I'll give my engine spec at the bottom of this post and the most Bob Rawle could get was 472/415 and charge temps were loooooowwwwww!

on a 2.5 you could potentially squeeze it out, but you'd be maxxing it out (i say)... im running 1.9Bar dropping to 1.85... which is nice! torque is solid and level...again which is nice - im waiting for my graph off Bob to upload for you's to make what you's will of it.
Am i disheartened? a little... RCM said I WOULD get 500 with my setup. am I gutted? **** no - 472 in a Classic Type R, after mapping I showed a 997 911 Turbo off, and still wasnt sure of the powerband or gearing after 6 speed conversion, had a play with a 15' GTR today on the A1... pulled away nicely but this is only due to weight as they're pumping out 540bhp standard now!!! :-O

I want to slate the turbo, but I can't I do like it how it delivers....and holds.

conclusion... meth is needed for their quoted figures.

2.1 CDB
14mm Headstuds
RCM Fuel Pump
RCM Headers
RCM/Precision Turbo (525 rated!)
Harvey Trick Up-Pipe
850cc Injectors
Alcatek/Bob Rawle Maps
3" Japspeed Exhaust
CDF Lightweight Pullies
HUGE K&N Filter good for over 600bhp (RU1875)
FMIC


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