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Old 02-21-2009, 09:49 AM   #1
Gigabelova
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Default PE1820 owners: what are your whp/wtq?

Hi, I haven't seen many PE1820 and PE1820F owners with proven power here. I'd like to know from those of you who had run it and those who still do, what are your gains(from the stock TD04-13L or stock STi VF)? What do you wish could be changed or what is good? I'm only looking for real life experience here. Not theories.
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Old 02-21-2009, 09:56 AM   #2
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This was on my 2.5 hybrid with stock wrx heads and cams and a Hyperflow TMIC

93 + Meth


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Old 02-21-2009, 11:19 AM   #3
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1820 was one of 6 turbos i used on my 2.0. It really didnt impress me with spool or power. I felt like the FP18G was a better unit.
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Old 02-21-2009, 02:29 PM   #4
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Cool still

still running a 1820 on a 2.0 at 312 hp for years now
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Old 02-21-2009, 02:32 PM   #5
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the 1820 is kinda of a step up from a 20g right? Whats the difference between a 1820 and 1820F?
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Old 02-21-2009, 03:36 PM   #6
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Search for me in this forum. I went 12.555 at 112 on my 1820.

Ive put down anywhere from 309whp to 360whp on my 1820 depending on what type of dyno it was on.

Quote:
Originally Posted by stevesparts View Post
still running a 1820 on a 2.0 at 312 hp for years now
I still love mine and its been about 3 years.

Quote:
Originally Posted by cellgeek101 View Post
the 1820 is kinda of a step up from a 20g right? Whats the difference between a 1820 and 1820F?
1820 is considered to be the '19g' of turbos. Little bigger than an 18g smaller than a 20. The old 1820s were better suited for higher boost while the new ones, 1820F, are much more pump friendly.

Full spool at ~3900 aint bad.

Last edited by PolarisSnT; 02-21-2009 at 07:12 PM.
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Old 02-21-2009, 03:54 PM   #7
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3700 on a 2.0? Just guessing based on your profile. That means that it may be fully spooled by 33-3400 on a 2.5.
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Old 02-21-2009, 07:12 PM   #8
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Im sorry, 3900 is more like it. Typo on my end.

3rd gear, 2.0L. 20psi by 3700rpm



Now for the 2.5L, I so not know. This turbo was designed to work with the 2.0l, not the 2.5. Will it work, yes, but it wont be optimal.
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Old 02-22-2009, 01:11 AM   #9
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I make 350whp/340wtq with 21.5 psi by 3700 on my Blouch 18g'd 2.0 wrx on E-85. Im sure this turbos spool would be a little later than mine, and depends what kinda fuel you use. It is more common for e-85 cars to spool sooner
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Old 02-22-2009, 03:06 AM   #10
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Hmm looks like there are mixed reactions. I personally think of it as a 19G. The thing here is dual ball bearing. I believe the 18/20G units are journal bearing turbos. Would this have any impact on spool? It seems to me 18Gs spool a little faster. What are 18G typical power ranges? Some people here make good power on the PE1820.
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Old 02-22-2009, 01:22 PM   #11
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I think the biggest problem with the pe1820 is that you could buy 2 18g's for the price of an 1820. Look into the ARMS turbo from tomei, it's *similar* to a td05-20g. People are getting some good results from it. It'll probably out power and out spool the 1820, but yeah, it'll still cost quite a bit.
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Old 02-22-2009, 09:08 PM   #12
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Quote:
Originally Posted by Gigabelova View Post
Hmm looks like there are mixed reactions. I personally think of it as a 19G. The thing here is dual ball bearing. I believe the 18/20G units are journal bearing turbos. Would this have any impact on spool? It seems to me 18Gs spool a little faster. What are 18G typical power ranges? Some people here make good power on the PE1820.
18g's see 285-370whp depending on fuel, dyno and supporting mods.
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Old 02-22-2009, 10:50 PM   #13
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370whp not happening wit an 18g
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Old 02-23-2009, 02:41 AM   #14
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Quote:
Originally Posted by wrxhard View Post
I think the biggest problem with the pe1820 is that you could buy 2 18g's for the price of an 1820. Look into the ARMS turbo from tomei, it's *similar* to a td05-20g. People are getting some good results from it. It'll probably out power and out spool the 1820, but yeah, it'll still cost quite a bit.
Mine's currently hitting 22 PSI at around 3075 RPM. Tomei turbo, that is. Just sayin'.
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Old 02-23-2009, 03:14 AM   #15
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Quote:
Originally Posted by zer0psi View Post
Mine's currently hitting 22 PSI at around 3075 RPM. Tomei turbo, that is. Just sayin'.
My tomei is doing 22.5 lbs from ~4000 to 8250 on a 2.0 liter.

win.
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Old 02-23-2009, 03:15 AM   #16
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Originally Posted by j255c View Post
370whp not happening wit an 18g
wrong - it's actually pretty easy.

2.5 liter + meth
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Old 02-23-2009, 03:39 AM   #17
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SO the verdict on a PE1820 is go with a Tomei ARMS instead? Isn't the Tomei a journal bearing turbo? How does it spool sooner yet make more power than the PE1820F?
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Old 02-23-2009, 08:21 AM   #18
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Quote:
Originally Posted by Gigabelova View Post
SO the verdict on a PE1820 is go with a Tomei ARMS instead? Isn't the Tomei a journal bearing turbo? How does it spool sooner yet make more power than the PE1820F?
Magic.

Don't look a gift horse in the mouth - just buy the turbo that makes power
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Old 02-23-2009, 08:54 AM   #19
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Quote:
Originally Posted by zer0psi View Post
Mine's currently hitting 22 PSI at around 3075 RPM. Tomei turbo, that is. Just sayin'.
You were the first person i thought of when i thought of the ARMS! Glad you chimed in!

Quote:
Originally Posted by Gigabelova View Post
SO the verdict on a PE1820 is go with a Tomei ARMS instead? Isn't the Tomei a journal bearing turbo? How does it spool sooner yet make more power than the PE1820F?
Better machining tollerances, better wheel matching, higher quality housings, alot of little things to make up a big difference. Ball bearing designs don't affect boost threshold or spool per say as much as they help transient response and boost recovery
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Old 02-23-2009, 09:58 AM   #20
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Quote:
Originally Posted by Lexington View Post
My tomei is doing 22.5 lbs from ~4000 to 8250 on a 2.0 liter.

win.
I'll have to check my logs. I know peak boost is 22.5, somewhere around 3000, and it was holding 20.5 through 7200, but since then I've added TGV deletes, spacers, a different inlet and maxed out my MAF.

Once I get my new intake on, we'll log it again.

Quote:
Originally Posted by Gigabelova View Post
SO the verdict on a PE1820 is go with a Tomei ARMS instead? Isn't the Tomei a journal bearing turbo? How does it spool sooner yet make more power than the PE1820F?
It is journal bearing...which I was skeptical about at first, but am now more than convinced. There are a lot of little things that work towards the Tomei turbo's advantage. The housing is Tomei proprietary, the wheels, although similar in size to 20G wheels, are a bit different, upgraded wastegate actuator, and the turbo is pretty much ported and polished from the factory. I wish I had better pics of mine pre install.

Quote:
Originally Posted by wrxhard View Post
You were the first person i thought of when i thought of the ARMS! Glad you chimed in!



Better machining tollerances, better wheel matching, higher quality housings, alot of little things to make up a big difference. Ball bearing designs don't affect boost threshold or spool per say as much as they help transient response and boost recovery
I guess my ears were ringing.

Exactly....though i can say transient response and boost recovery don't leave much to be desired.
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Old 02-23-2009, 12:20 PM   #21
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Quote:
Originally Posted by Lexington View Post
My tomei is doing 22.5 lbs from ~4000 to 8250 on a 2.0 liter.

win.
What intercooler setup are you running?

Quote:
Originally Posted by Gigabelova View Post
SO the verdict on a PE1820 is go with a Tomei ARMS instead? Isn't the Tomei a journal bearing turbo? How does it spool sooner yet make more power than the PE1820F?
Quote:
Originally Posted by Lexington View Post
Magic.

Don't look a gift horse in the mouth - just buy the turbo that makes power
Looks like it makes more power but does not out spool the 1820. Looks like the Tomei will hit full spool about 200 RPMs later.
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Old 02-23-2009, 01:30 PM   #22
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Quote:
Originally Posted by PolarisSnT View Post
Now for the 2.5L, I so not know. This turbo was designed to work with the 2.0l, not the 2.5. Will it work, yes, but it wont be optimal.
"optimal" is a pretty broad term for everyone. Everyone has a different idea of an "optimal" powerband.

All it will do on the 2.5L is shift the whole powerband 300-500rpm to the left.....some people may find that "optimal".

So if the 1820 is a "19g" and it wont be optimal, you're basically saying anything below a 20g isnt optimal on the 2.5L. While i personally agree, lots of others still run 18g's or less on the 2.5L.

Quote:
Originally Posted by j255c View Post
370whp not happening wit an 18g
There was a 400whp 18g posted in PPB not too long ago. it was on c16 on a dynojet.

18g = 40 lb/min = 400 crank hp = 400 dynojet whp

Quote:
Originally Posted by zer0psi View Post
I'll have to check my logs. I know peak boost is 22.5, somewhere around 3000,
what gear? 4th or 5th?

if you wanna compare it to an STI you need to log it in 3rd......cause i dont think that a 20g can hit 22psi at 3000rpm in 3rd.

Last edited by Phatron; 02-23-2009 at 01:36 PM.
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Old 02-23-2009, 02:20 PM   #23
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Quote:
Originally Posted by Lexington View Post
wrong - it's actually pretty easy.

2.5 liter + meth
k on a dj w/ huge correction factor and maybe race gas as phatron said
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Old 02-23-2009, 03:47 PM   #24
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Quote:
Originally Posted by PolarisSnT View Post
What intercooler setup are you running?

Looks like it makes more power but does not out spool the 1820. Looks like the Tomei will hit full spool about 200 RPMs later.
We're both running Spearcos.

What is that spool assumption based on? Never had a PE1820 in my car, but I doubt it'd spool more quickly.

Quote:
Originally Posted by Phatron View Post
"optimal" is a pretty broad term for everyone. Everyone has a different idea of an "optimal" powerband.

All it will do on the 2.5L is shift the whole powerband 300-500rpm to the left.....some people may find that "optimal".

So if the 1820 is a "19g" and it wont be optimal, you're basically saying anything below a 20g isnt optimal on the 2.5L. While i personally agree, lots of others still run 18g's or less on the 2.5L.

There was a 400whp 18g posted in PPB not too long ago. it was on c16 on a dynojet.

18g = 40 lb/min = 400 crank hp = 400 dynojet whp

what gear? 4th or 5th?

if you wanna compare it to an STI you need to log it in 3rd......cause i dont think that a 20g can hit 22psi at 3000rpm in 3rd.
STi 6-speed. That particular run was in 4th. I believe 3rd is the same. I can assure you that if it's not right at 3000rpm, it's not far behind. With less mods/tuning, I was consistently hitting 22.5 in 3rd around 3250, and it's spooling a bit better now. I also have a lot of supporting mods though, and a TMIC.
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Old 02-23-2009, 04:41 PM   #25
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Quote:
Originally Posted by zer0psi View Post
What is that spool assumption based on? Never had a PE1820 in my car, but I doubt it'd spool more quickly.
the spool assumption is probably purely based on the turbo flow rate. turbos with higher xx lb/min usually spool slower than a turbo with a lower flow rating....and the 20g flows more than the 1820 so its perfectly reasonable to assume the 1820 would spool a tad quicker.

However, the mitsu turbos are weird because of all the different configurations you can have. 7cm vs 8cm, td05 vs td06.....

IE a td05 7cm will probably spool pretty close to an 1820, where as a td06 8cm will spool noticeably slower. Especially if you were comparing a TMIC tdo5 7cm to a FMIC td06 8cm.....

Quote:
Originally Posted by zer0psi View Post
STi 6-speed. That particular run was in 4th. I believe 3rd is the same. I can assure you that if it's not right at 3000rpm, it's not far behind. With less mods/tuning, I was consistently hitting 22.5 in 3rd around 3250, and it's spooling a bit better now. I also have a lot of supporting mods though, and a TMIC.
i always forget that i run higher peak boost thats why yours always sounds so crazy. i dont hit 22psi too much later than that.
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