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11-12-2012, 03:52 PM | #51 |
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Yup. Figure between 20-30% drivetrain loss. You also have to consider that a dyno never reads quite the same run to run.
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Last edited by tommyson01; 11-12-2012 at 04:14 PM. |
11-12-2012, 04:01 PM | #52 | |
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11-14-2012, 02:16 AM | #53 |
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^if i can get 40whp more from a marginally bigger tmic, sign me up for a marginally bigger tmic!
oh yeah, you cannot get 40whp more from a marginally bigger tmic. |
11-14-2012, 09:48 AM | #54 | |
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It doesn't mention what gas is used, but the WRX dyno took place in August and the STi was in December so it certainly wasn't a humidity issue. |
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11-14-2012, 02:16 PM | #55 | |||
Ethon
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The real advantages in the STI are all non engine related, DCCD, Brembos, 6mt, 114mm wheel bearings, stiffer suspension, the 2009-2010 make the same power with the same mods though, about 300 at the crank just like the STI and from there it is essentially the same engine. From 2011 on they seemed to have dialed out the stock tune to give the STI more of an advantage, but that is just tune. Check out the COBB Dyno Database, it is quite informative. |
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11-14-2012, 03:12 PM | #56 |
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i see alot of downsides to the 09.. anyone having issues with their 2010 wrx hatch?? i'm new to the subi world and can always use some facts and opinions
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11-14-2012, 03:34 PM | #57 |
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Essentially the same thing, if I remember correctly, the early 09 cars had weaker pistons, I assume that's what you're talking about? I've got a 2010 WRX hatch as well. My motor is out right now, likely busted ringlands. That's the main problem with any turbo Subaru, especially when you start pushing the power like I am.
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11-14-2012, 04:24 PM | #58 |
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11-14-2012, 04:34 PM | #59 | |
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11-15-2012, 01:11 AM | #60 | |
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woah, woah, woah. who/what/where/why/when on this one? don't think it's the case. some of the early buld dates (aug, sept '08) had spun rod bearings due to more environmentally friendly silver bearings, but that was quickly resolved. don't know if that's what you're talking about |
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11-15-2012, 01:56 AM | #61 | |
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11-15-2012, 02:11 AM | #62 |
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I was at 350whp and 350wtq. I should be good up to 450-500whp when done.
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11-15-2012, 02:31 AM | #63 |
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Keep the stock turbo, get a GOOD tune that's not pushing the limits, and stay on top of your service. Buying things like exhaust and intake are not going to hurt reliability if their tuned for and maintained correctly. When you go to adding a larger turbo, that to me is when a lot more stress is added due to the (usually) large jump in power
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11-15-2012, 12:23 PM | #64 | |
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11-15-2012, 12:58 PM | #65 |
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Yeah it makes good power. Anything bigger is taking everything else beyond what it was designed for though. Max out the 52 and you will be happy with it
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11-15-2012, 01:06 PM | #66 |
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11-15-2012, 03:51 PM | #67 |
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I agree. Like I have said in my post stage 2 FAQ, I wouldn't recommend going much above 300whp on a stock block.
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11-15-2012, 05:25 PM | #68 |
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I'm making 360 whp on my vf52 09 wrx. I have E85 and basic bolt ons. As far as reliability I haven't had any problems, knock on wood, but every car is different. There is no telling when a certain amount of power is too much for something to handle.
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11-15-2012, 05:34 PM | #69 |
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11-15-2012, 06:04 PM | #70 |
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11-15-2012, 10:56 PM | #71 | |
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11-15-2012, 11:07 PM | #72 |
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what do rod bearings have to do with pistons?
he said weak pistons (which i haven't heard anything about), not weak rod bearings (which i've heard plenty about). |
11-15-2012, 11:29 PM | #73 | |
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11-16-2012, 02:53 AM | #74 |
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11-16-2012, 02:24 PM | #75 |
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[quote="sc00by4life"]
sti pistons aren't forged.[/QUOTE. So what are the internal motor differences? Or is it all suspesion tranny brakes bigger intercooler etc. |
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