Forced Induction Custom FI Setup Questions

IHI RHB5 VF28, on b20b, in DA

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Old Dec 24, 2007 | 01:19 PM
  #31  
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Default Re: IHI RHB5 VF28, on b20b, in DA

Originally Posted by crxsir07
those are pretty impressive numbers, i'm weary of ebay turbos though as i am going to be driving the car alot and counting on it's reliability, i think i will sell the IHI setup but am more leaning toward a DSM 14B ,

also i found a pretty good deal on RC 310cc injectors would these be sufficient for a turbo setup like mine or should i go for the DSMs instead, they are cheaper...

i since have swapped ls cams in the b20 and ran a couple 15.2s which i think is pretty good in a heavy DA the cams picked the midrange up pretty good but any way, 14B, RC 310cc's?, and who wants a VF28? haha
Forgo the 14b. From owning both a DSM and a Wrx I can tell you the 14b isn't much bigger than the vf28 is. Also, I've done a 14b on an LS before, they definitely run out of steam quick. VF34's are a sexy piece, but expect to pay around $500-600 for one used. Better bang for the buck would be a big 16g if you want to go with the availability of DSM parts, and there's even a few companies that make b-series manifolds that mate to the 14b/16g foot print. The ultimate cheap 16g would be the newer Evo7/8 16g6 9.8cm^2, but the twin scroll foot print makes diy manifold making a pita. So, to recap...big 16g, or go with the standard t3 60 trim or t3/to4e size.
Old Dec 26, 2007 | 11:10 AM
  #32  
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Default Re: IHI RHB5 VF28, on b20b, in DA

thanks for the advice, there sure is alot of choices!
Old Dec 26, 2007 | 11:45 AM
  #33  
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Default Re: IHI RHB5 VF28, on b20b, in DA

all of the TD05h 16G's that I found on ebay are also around 500 dollars, and it looks like the cold side is clocked right back at the head, i'm sure it would clear with a custom flange that imeadiatly faces it away from the motor, and it looks like it also has an internal waste gate set at 10 lbs?, It's starting to look like a T3 is going to be the most affordable option, do used 16g's in good shape usaully cost that much?
Old Dec 26, 2007 | 11:47 AM
  #34  
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Default Re: IHI RHB5 VF28, on b20b, in DA

http://cgi.ebay.com/MITSUBISHI-EVO-I...sid=p1638.m118
Old Dec 26, 2007 | 11:52 AM
  #35  
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Default Re: IHI RHB5 VF28, on b20b, in DA

http://cgi.ebay.com/ebaymotors/2006-...spagenameZWDVW
Old Dec 26, 2007 | 08:37 PM
  #36  
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Default Re: IHI RHB5 VF28, on b20b, in DA

Ehh, those are both on the high side. If you can have someone make you a manifold that matches up to the Evo 8's 16g6 those can usually be had with the 9.8cm^2 hotsides for the under $250 mark. Evo guys doing build builds don't want them, and most other people don't want to have to bother with the funky twin-scroll flange. Either that or look for a decent t3...those should be quite a bit cheaper than the IHI's or brand new 16g's.
Old Dec 26, 2007 | 08:50 PM
  #37  
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Default Re: IHI RHB5 VF28, on b20b, in DA

That 16g you listed is ching chong ----. Notice how they covered up the info tag with the stores ID, and it doesn't say TD05H on the front. they're trying to pass it as the real deal.
Old Dec 27, 2007 | 01:55 AM
  #38  
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Default Re: IHI RHB5 VF28, on b20b, in DA

There's a reason Honda guys run Garrett T-series. They're cheap, have more than enough options, are cheap to rebuild, have a good resale value - and are easy to upgrade. 60trim T3 wheel too small for ya? You can upgrade for half the price of the turbo to a 60-1, etc.

IHI turbos suck, unless you enjoy a fast spool. Some of the subie turbos can pump out 300whp, but thats on a car with everything upgraded (jdm heads, etc) besides the turbo. For under $500 you can find a T3 60trim, or for a bit more, a 57trim t3/t04e.

http://www.rcautoworks.com/index.php...iewCat&catId=3
Old Dec 27, 2007 | 05:52 AM
  #39  
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Default Re: IHI RHB5 VF28, on b20b, in DA

If you need a good DSM 16g go hunt around the DSM forums. You can get one in the $200-$300 range and it's a great street turbo for a 4 banger. It wouldn't be my 1st choice, but in the $300 range it's a hard turbo to beat. Once you have a DSM flange on your car you can then upgrade to any of the bigger Mitsu turbos (TD06H 18G and 20G) or a DSM bolt-on Garrett like Precision. I've ran a 16g (MHI EVO3) up to 8k rpm on an 8:5:1 CR motor that was 2.0L and it pulled solid until redline at exactly 20psi. It's a noticeable difference over a 14b and is a bit bigger than say a .48/.42 T3 (45 trim). According to the maps it can muster a few lbs/min more than the Thunderbird .63/.60 as well.

Just make sure it's a genuine 16g. Pay close attention if it says EVO anywhere in the title because knock off EVO3 16G's are rampant and suck a dick. Like the previous guy said, it has to have "TD05H" stamped on the compressor housing or it's a knock-off. Also look at the actuator arm. If it's adjustable it's not a real MHI turbo. Just buy from good feedback people haha. I'd say a Mitsu or a Garrett T3 are you cheapest and easiest options. Even a 14b outflows a small T3 though (like the .48/.42), so if you're on a major budget it's not a bad choice at all. Good luck nga.
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