how much rwhp with this s5 TII setup?
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light mods or new turbo?
im debating whether or not to get an aftermarket turbo. my origional plan is just to go with a apexi intake and a complete apexi n1 exhaust (all the way from dp to catback) on a s5 TII. how much hp do you think my car will get with everything stock except the 2 things mentioned above? if i get a decent gain im probably going to forget the new turbo because i want to run pretty close to stock and not have to deal with the problems.
Last edited by jay3; 08-03-06 at 12:19 AM.
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Originally Posted by jay3
...explain...?
depending on engine and boost, you will probably get 240-260 rwhp.
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Originally Posted by Eternal_Gamer
no fuel mods and your engine is gonna blow quick. Try getting a Walbro Fuel Pump and some sort of Fuel Controller and maybe 720cc to be safe.
depending on engine and boost, you will probably get 240-260 rwhp.
depending on engine and boost, you will probably get 240-260 rwhp.
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Originally Posted by jay3
what about with a power fc, walbro, and injectors?
Walbro is a must ( or any fuel pump upgrade ) if you're planning on raising radically your hp numbers
I went with 1600CC secondaries. Since you're going standalone anyway, it's gonna be no problem to control them properly
But youre looking for BIG money here
more or less 1200$
l-p
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Originally Posted by Bunchies
im guessing that porting the stock wastegate would be a good idea as well.
Originally Posted by jay3
it is an s5. so power FC, injectors, and walbro and im good to go with the dp, exhaust and intake?
#10
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Originally Posted by Eternal_Gamer
yep. make sure u do some good tuning for the added boost. standalone isnt really needed for mildly modified engines, thats how i see it.
Originally Posted by Eternal_Gamer
I don't know why other people get 15-18psi.
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plug the turbo wastegate or get a good boost controller and run the stock turbo as hard as you can untill it blows. Why not have fun with the stock parts? with a good tune you can make 250 rwhp on a stock s5 block.
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you'll have to port your waste gate. I had an intake + 3" exhaust and was running 17 psi
and I would probably recomend against the power FC, you'll have to import a japanesse one, and there isn't much support for then for the 2nd gen. I would probably go with a haltech or microtech, or just a fuel controller like an safc, or an rtek.
and I would probably recomend against the power FC, you'll have to import a japanesse one, and there isn't much support for then for the 2nd gen. I would probably go with a haltech or microtech, or just a fuel controller like an safc, or an rtek.
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Originally Posted by classicauto
Technically speaking, stand-alone is needed on STOCK cars. The 20 year old technology running you engine from the factory, although yes it works, is still very stumbly and coarse. No where near the resolution of a modern EMS like a Haltech. A properly tuned EMS will run a stock car better than the factory ECU. Aside from emissions of course.
You can really only get a spike of boost that high. The stock turbo jut doesn't have the breath to run that much pressure. Plus even that 18psi spike is boiling hot, useless air anyways.
_________________________
The only way to tell what parts you will or will not need is by answering:
How much power do I want?
How much can I afford to spend?
What will I use the car for afterwards?
You can really only get a spike of boost that high. The stock turbo jut doesn't have the breath to run that much pressure. Plus even that 18psi spike is boiling hot, useless air anyways.
_________________________
The only way to tell what parts you will or will not need is by answering:
How much power do I want?
How much can I afford to spend?
What will I use the car for afterwards?
Microtech would make it run better, yes, but its not really necessary to get a good tune off of a mildly modified engine using something like HKS Fcon with HKS GCC or SAFC.
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Originally Posted by Eternal_Gamer
Microtech would make it run better, yes, but its not really necessary to get a good tune off of a mildly modified engine using something like HKS Fcon with HKS GCC or SAFC.
But have you ever seen wideband readings from car with intake/exhaust 10psi and a "tuned" s-afc? Its all over the board.....lean spots during the secondary transition, then big rich spots when they come online....its "OK" it'll run and it won't blow to bits, but it can run sooooo much better, not to mention probably find more power, with a proper EMS.
And never........never........think its "not necessary" to get a good tune. Especially on a mildly modded engine good tuning will help immensely. I can tell from your comment that you've never had a really bad *** clean tune on your setup, becuase you can tell the difference, its night and day. And if you had one, you would know better
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Originally Posted by classicauto
No its not necessary.....
But have you ever seen wideband readings from car with intake/exhaust 10psi and a "tuned" s-afc? Its all over the board.....lean spots during the secondary transition, then big rich spots when they come online....its "OK" it'll run and it won't blow to bits, but it can run sooooo much better, not to mention probably find more power, with a proper EMS.
And never........never........think its "not necessary" to get a good tune. Especially on a mildly modded engine good tuning will help immensely. I can tell from your comment that you've never had a really bad *** clean tune on your setup, becuase you can tell the difference, its night and day. And if you had one, you would know better
But have you ever seen wideband readings from car with intake/exhaust 10psi and a "tuned" s-afc? Its all over the board.....lean spots during the secondary transition, then big rich spots when they come online....its "OK" it'll run and it won't blow to bits, but it can run sooooo much better, not to mention probably find more power, with a proper EMS.
And never........never........think its "not necessary" to get a good tune. Especially on a mildly modded engine good tuning will help immensely. I can tell from your comment that you've never had a really bad *** clean tune on your setup, becuase you can tell the difference, its night and day. And if you had one, you would know better
Last edited by Eternal_Gamer; 08-03-06 at 03:43 PM.
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Originally Posted by classicauto
Where did I say that?..................
Just for the record
Just for the record
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so in short, safc is good, but haltech or pfc is even better. i guess im going to go with the standalone, but now i gotta make the decision between pfc and haltech. any suggestions?
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Originally Posted by jay3
so in short, safc is good, but haltech or pfc is even better. i guess im going to go with the standalone, but now i gotta make the decision between pfc and haltech. any suggestions?
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AGGH! EDIT! I just realized, dude, ^^^^^, this is an S5!! RTek doesn't work on S5's, goddamnit!
About the RTek comments...
If you have any plans of ever upgrading from the stock turbo, don't waste your money on an RTek.
I have a 2.0....but, I would never trust it to run my car on any turbo bigger than stock. If I had it to do over again (and I hadn't sold my T2), I would definitely have gone Microtech or Haltech (depending on what Steve Kan likes to tune more )
If you can afford it, absolutely go standalone. The stock ECU is soooo butchered up, with such crappy maps from the factory. A standalone with a proper tune will net insane gains on any setup, with full potential to increase power if the time comes for a bigger turbo.
Don't waste your time on an SAFC or GCC, either go standalone or go home :X
About the RTek comments...
If you have any plans of ever upgrading from the stock turbo, don't waste your money on an RTek.
I have a 2.0....but, I would never trust it to run my car on any turbo bigger than stock. If I had it to do over again (and I hadn't sold my T2), I would definitely have gone Microtech or Haltech (depending on what Steve Kan likes to tune more )
If you can afford it, absolutely go standalone. The stock ECU is soooo butchered up, with such crappy maps from the factory. A standalone with a proper tune will net insane gains on any setup, with full potential to increase power if the time comes for a bigger turbo.
Don't waste your time on an SAFC or GCC, either go standalone or go home :X
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Originally Posted by adrock3217
AGGH! EDIT! I just realized, dude, ^^^^^, this is an S5!! RTek doesn't work on S5's, goddamnit!
About the RTek comments...
If you have any plans of ever upgrading from the stock turbo, don't waste your money on an RTek.
I have a 2.0....but, I would never trust it to run my car on any turbo bigger than stock. If I had it to do over again (and I hadn't sold my T2), I would definitely have gone Microtech or Haltech (depending on what Steve Kan likes to tune more )
If you can afford it, absolutely go standalone. The stock ECU is soooo butchered up, with such crappy maps from the factory. A standalone with a proper tune will net insane gains on any setup, with full potential to increase power if the time comes for a bigger turbo.
Don't waste your time on an SAFC or GCC, either go standalone or go home :X
About the RTek comments...
If you have any plans of ever upgrading from the stock turbo, don't waste your money on an RTek.
I have a 2.0....but, I would never trust it to run my car on any turbo bigger than stock. If I had it to do over again (and I hadn't sold my T2), I would definitely have gone Microtech or Haltech (depending on what Steve Kan likes to tune more )
If you can afford it, absolutely go standalone. The stock ECU is soooo butchered up, with such crappy maps from the factory. A standalone with a proper tune will net insane gains on any setup, with full potential to increase power if the time comes for a bigger turbo.
Don't waste your time on an SAFC or GCC, either go standalone or go home :X
Why not go SAFC or GCC? Just dont buy it new. They are cheap used. Got my HKS PFC F-con in mint condition for $100 shipped and HKS GCC Brand new for $48 shipped (Gotta love Ebay). with this i can run mildy modified at least and be pretty quick compared to stock. The amount I spent on all of my mods are about the same price as a standalone ecu. If I bought a standalone with the money i spent on the other mods, I would still be stock. so my setup is good enough to keep me a little satisfied until i have enough $$$ to go bigger.
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Originally Posted by Eternal_Gamer
Why not go SAFC or GCC?
Originally Posted by Eternal_Gamer
They are cheap used. Got my HKS PFC F-con in mint condition for $100 shipped and HKS GCC Brand new for $48 shipped (Gotta love Ebay).
The ONLY "piggy back" I have used is E-manage and its only because I can control timing with it. Which was entirely necessary on the larger turbo. Face it, even though S-afc is cheap, it will wear out other more expensive componentes faster than a proper (or closer to proper) setup would and in the end is more expensive.
But there's obviously no detturring you from this, your frame of mind is stuck so I won't waste my breathe any more.