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Re: turbo upgrade
[Re: Begbie]
#544889
19/02/2008 05:46
19/02/2008 05:46
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Akeme
Unregistered
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Akeme
Unregistered
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Im with suba on this, spending more money on a turbo thats going to be restricted by the engine internals and that would gain you only 15-20hp is not good £ per HP value. Handling and brakes are far higher up on my todo list, would much rather spend 2k on a big brake conversion than getting any more HP and anyway, if you wanna compete properly in 1/4 mile events, go get a scooby
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Re: turbo upgrade
[Re: ]
#544894
19/02/2008 05:57
19/02/2008 05:57
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h2ypr
Unregistered
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h2ypr
Unregistered
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Lol@akeme. Im buying handling mods aswell at the moment. Many irons in different fires Ross
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Re: turbo upgrade
[Re: ]
#545245
19/02/2008 20:59
19/02/2008 20:59
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the_mule
Unregistered
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the_mule
Unregistered
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Handling and brakes are far higher up on my todo list, would much rather spend 2k on a big brake conversion than getting any more HP and anyway, if you wanna compete properly in 1/4 mile events, go get a scooby and if you want to win go get a sky line/supra although whats that got to do with anything lol
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Re: turbo upgrade
[Re: ]
#545586
20/02/2008 05:49
20/02/2008 05:49
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suba
Unregistered
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suba
Unregistered
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Ross - the torque and bhp rating of the standard internals is a guide only, and with the variances between rolling roads taken into account you are never sure. Sure Flea and Doctorfrag have run over 350 bhp on the standard internals, but they both ran aquamist..... I know you want someone to say that your engine will be fine if you upgrade to a bigger turbo, but maybe it will - maybe it wont.
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Re: turbo upgrade
[Re: ]
#545590
20/02/2008 05:52
20/02/2008 05:52
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eldinho
Unregistered
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eldinho
Unregistered
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don't forget one of those cars is now having a rebuild due to the pistons not being up to it
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Re: turbo upgrade
[Re: ]
#545595
20/02/2008 05:55
20/02/2008 05:55
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h2ypr
Unregistered
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h2ypr
Unregistered
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Ross - the torque and bhp rating of the standard internals is a guide only, and with the variances between rolling roads taken into account you are never sure. Sure Flea and Doctorfrag have run over 350 bhp on the standard internals, but they both ran aquamist..... I know you want someone to say that your engine will be fine if you upgrade to a bigger turbo, but maybe it will - maybe it wont. Thanks Si. Its a gamble i know. I even called Barbz today and spoke to him. He's doing well and gives his regards to everyone. He basically said there is no way to tell aswell. He said that he's seen engines running 310lb/ft and run well for ages but there is others that have let go. Ross
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Re: turbo upgrade
[Re: ]
#545596
20/02/2008 05:56
20/02/2008 05:56
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h2ypr
Unregistered
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h2ypr
Unregistered
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don't forget one of those cars is now having a rebuild due to the pistons not being up to it Yeah that is in my mind aswell. Ross
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Re: turbo upgrade
[Re: ]
#545641
20/02/2008 13:59
20/02/2008 13:59
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ryangt
Unregistered
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ryangt
Unregistered
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go for it h2ypr it gives u a good resaon to do a rebuild when the engine blows .
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Re: turbo upgrade
[Re: ]
#545650
20/02/2008 14:20
20/02/2008 14:20
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eldinho
Unregistered
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eldinho
Unregistered
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but what if a rod goes and takes out more than just a rod? It will add quite a bit more to the already large bill!
what is your final target power figure? if you are going to go for a GT2871R then you will obviously push the car to around 400bhp! so then the standard internals almost certainly won't be up to it! so you might aswell get the internals done before the turbo change! It's not as if your car is a slouch in the meantime!
but if you are going for RS/RSR then maybe you might get away with it! like suba says, you might not!
trust me on this, it isn't nice for something to go and have a massive bill staring you in the face with no prior notice and also to have the car off the road for such a long time!
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Re: turbo upgrade
[Re: ]
#545652
20/02/2008 14:38
20/02/2008 14:38
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Squid
Unregistered
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Squid
Unregistered
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I totally agree with you Mark. My car was running around 350BHP and eventually one of the pistons fell apart. I remember talking to DoctorFrag after he sold his car and we were saying that my car was currently the most powerful car with sdtandard internals.... And sure enough soon after it let go! If you get a GT28RS, make sure you don't map it agressively, and I would not go for more than 300bhp. However, after my rebuild I should have a 450+bhp coupe
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Re: turbo upgrade
[Re: ]
#545967
20/02/2008 19:35
20/02/2008 19:35
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h2ypr
Unregistered
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h2ypr
Unregistered
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Thanks for the advice guys.
I think I'm just gonna save for forged and then change it all at the same time.
Ross
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Re: turbo upgrade
[Re: ]
#558549
08/03/2008 20:16
08/03/2008 20:16
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h2ypr
Unregistered
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h2ypr
Unregistered
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Question.
RSR inlet is 3"?
Now i have a TI SIP. Is this 3"? Presumably the gt28r is a smaller inlet. Did the TI SIP come with a reducer hose?
Ross
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Re: turbo upgrade
[Re: ]
#558687
09/03/2008 00:34
09/03/2008 00:34
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chr77176
Unregistered
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chr77176
Unregistered
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hello,
In France, lot20, regt20 and others french guys are running GT28 R or RS since 1 or 2 years with no problems... at 1,4 1,5 bar boost>>> (300 to 328 cvx on RR). (and permanent runs on Friday and saturday)
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Re: turbo upgrade
[Re: ]
#558690
09/03/2008 00:38
09/03/2008 00:38
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yellow_coop
Unregistered
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yellow_coop
Unregistered
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well an RSR is an R with an RS compressor wheel so why would the inlet be any different to that of an R?
*EDIT*
Weird i dont think mine had a 3" inlet...
Last edited by yellow_coop; 09/03/2008 19:43.
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Re: turbo upgrade
[Re: ]
#558952
09/03/2008 14:25
09/03/2008 14:25
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Kenno
Unregistered
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Kenno
Unregistered
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Yes. Now i have a TI SIP. Is this 3"? Shouldn't be. Sell it and get a non tapered SIP from ProAlloy
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Re: turbo upgrade
[Re: ]
#559063
09/03/2008 17:46
09/03/2008 17:46
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Joined: Dec 2005
Posts: 1,576 Glasgow,Near Florence..If only...
paul
My life on the forum
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My life on the forum
Joined: Dec 2005
Posts: 1,576
Glasgow,Near Florence..If only...
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I`ve got a rsr with a tapered TI sip,just get shot of the `humped hose` that fits the r and get a hose that goes from 2 1/2" (think thats the sip size) to 3 "..........I was unsure if thsi would cause a restriction,but when i asked Barbz,he told me this is what Marcus ran ,think he got about 380 bhp think I got mine from Rallye Design, just checked mine internal sizes 61mm to 79mm my advice for what it`s worth, go for forged internals,it will save you money in the long run,and means you can stop worrying about it going BANG (within reason)and concentrate on making it going faster
Last edited by paul; 09/03/2008 18:18. Reason: sizes
was Paul S,now just paul...Member since Oct 2000,Coupe may be FATALLY injured - :(oh no it's not
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