Silvia Club of NSW
https://forum.silviansw.com/

Turbo suggestions
https://forum.silviansw.com/viewtopic.php?f=1&t=25730
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Author:  Nebuchernezzer [ Fri Jul 13, 2007 3:38 am ]
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Plain bearing T28 will break 200rwkw with cams, doesn't need rediculous boost to do it either.
It sounds like your tuner has a dyno that 'reads low' or that your tuner isn't worth his salt.
Step 1 cams will likely increase your power everywhere, SR stock cams are mild things.
You pretty much can't waste your money with cams on an SR, either you'll get them and not a turbo and love it. Or you'll get them and they'll complement a larger turbo very well.
Either way WELL worth it from all accounts.

Author:  too_much_boost [ Fri Jul 13, 2007 5:39 pm ]
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Tiop wrote:
well had a chat to bloke who tunes my car he seems to think the car will lose low end with the cams, he advised me to just go bigger turbo.


Does you tuner think you won't lose low end by putting a bigger turbo on it?
You WILL lose some bottom end (ie below 2000rpm) if you install cams, but it will certainly be worth it due to the massive mid and top end increases cams give you

Tiop wrote:
he seems to think the disco & gt2530 rated at 320hp wont do 200rwkw ? t28 is rated 280 currently doing 170wrkw @16psi (conservative dont think he wants to push it to much blow up mates car you know)

He obviously has no real experience with modifying SR20DET's. There are so many of these engines making a reliable 200rwkw with these turbos it isn't funny. Its almost a case of if you don't get an easy 200rwkw, you have problems somewhere. My gt2530 made over 200rwkw at about 11psi!


Tiop wrote:
he wants me to get a 400+hp turbo.


Don't

Tiop wrote:
the disco and gt2530 see fullboost at 3200ish on stockish sr20 with good response ? can anyone comment with experience ?

I get 18psi around that mark. If you are running less boost it will hit full boost earlier. I find mine make too much power too early at wakefield. It makes the thing a real handful coming out of corners.

Tiop wrote:
Id like to go the gt2530 maybe the disco but to much conflicting ideas.


Just ignore any ideas that conflict with mine and you will be fine

Tiop wrote:
the cams are fairly cheap $500ish but he seem to think iam wasting money and wont get what i want from them, garretts gt2530 is $1200 but i think that is smaller, what i understand is disco almost the same as hks 2530


The only place you would be wasting money is getting your car tuned by this guy. Cams are awesome bang for buck modification. If you can afford both them and a disco, you will end up with a big smile on your face for a long time

Author:  mokompri [ Fri Jul 13, 2007 5:44 pm ]
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too_much_boost wrote:
Just ignore any ideas that conflict with mine and you will be fine


:lol:

TMB is spot on though, cams + 2530/disco is a great combo

Author:  Tiop [ Fri Jul 13, 2007 7:59 pm ]
Post subject: 

well it is settled, ill go with the cams and turbo suggestions.

I cant bad mouth the bloke doing my car, as the tuning is free, install was free and the sm4 was almost cost price.

The bloke tunning my car has only done 1 sr20det before. hes done a heaps of wrx (few with 300rwkw), rb powered cars, and v8's.

Thanks guys for all the help.

Author:  splashman [ Fri Jul 13, 2007 8:31 pm ]
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Its seems in this case you're definately paying for what you get :roll:

Author:  182Go [ Sat Jul 14, 2007 8:22 pm ]
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splashman wrote:
Its seems in this case you're definately paying for what you get :roll:


:lol: good call

cams first and a bit more boost, if that doesnt do it, then add the turbo. 200 is very doable with that turbo especially with cams.

Author:  BHAPPY [ Sat Jul 21, 2007 1:45 am ]
Post subject: 

182Go wrote:
splashman wrote:
Its seems in this case you're definately paying for what you get :roll:


:lol: good call

cams first and a bit more boost, if that doesnt do it, then add the turbo. 200 is very doable with that turbo especially with cams.


Hey paul, do you pay for your pfc tuning?

Author:  182Go [ Sat Jul 21, 2007 9:56 pm ]
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I don't have a PFC I have a Haltech, no I do all my own tuning (so far)

Author:  dougsta [ Tue May 12, 2009 10:15 pm ]
Post subject:  Re: Turbo suggestions

Black Panther wrote:
I have done some reading on certain turbos and want peoples opinion i have been looking at HKS and these 25-30, 2535, 28-35. I am after something different i don't want the over rated GTRS looking at 400hp turbos that respond well and comes on early ( under 4000rpm) any stats are more than welcome and personal experience, and your thoughts on HKS vs Garrett. This is for a s15 that will be a street track project thingy


GT2871R...these punch on the same level as a GTRS pretty much

Author:  ZEi250t [ Tue May 12, 2009 10:54 pm ]
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dude dont be bumping old threads....................

Author:  Black Panther [ Thu May 14, 2009 2:56 pm ]
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hahahaa wow jus read over this thread and damn its old my car has come a long way from those days and didnt even choose a turbo suggested in the thread

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