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90 CRX hf
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Discussion Starter #1 (Edited)
Hey guys, some of you may know me from Crx.honda-perf.org, I posted this question on there but thought this site may be more appropriate, so here goes. I have an 88 hf with a D15b2 (DX) engine in it, mated to an SI tranny, running on the HF mpfi system. I was wondering if anyone has run a turbo from a volvo on their D-series. I have a couple of old turbo volvos sitting around, and was looking under the hood of one today and noticed the turbo system looks surprisingly similar to those commonly seen on hondas. I was thinking I could use my HF exhaust mani, and make an adapter plate to fit the turbo, then weld up a down pipe to fit my exhaust. How well would a D15b2 handle boost? I'm lookin to make my rex out run my stock 91 LS teggie, I'll be happy with that... Does anyone have any experience with this setup, or any advice for me? maybe some recommended reading on how to tune with a turbo and avoid killing your engine? I understand the basics of how turbos work, and know most of the associated terminology. Its more the tuning I don't really know much about... like do I advance my timing, or run an fpr, or bigger injectors? etc. Anything you can tell me would be much appreciated, in the mean time I'll get to reading around here, see what I can dig up. Thanks in advance, Shadow.
 

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check out Homemadeturbo.com that is the ticket......
 

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90 CRX hf
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Discussion Starter #4
ok well what should I use to tune it? I assume you mean ECU tune. I'm still running on my HF ECU, which ECU/tuning solution is most cost effective?

Also, I have a Y8 head hanging around, should I put that on? or would that be alot harder to boost with?

Are there any cars I could find in a junkyard that I could pull some better injectors off of? I think I've heard of a DSM? whats that stand for?

Thank you very much for your replies :grouphug:
 

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ej2
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first and sencond gen. eagle talon or mishibushi eclipse, I mean a HF manifold (exhaust) and as far as tuning assuming your obd0 then you could pick up a chipped pr4 or pm6 ecu and use turboedit or switch to obd1 which seems to have alot better tuning programs.
 

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i would not run boost on that enigne simply becuase the rods are weak with a capital W. but it can be done this is what you will need to research
hf mani w/adapter
dsm 450cc injectors blue or black
custom down pipe
pm6 with chip and a basemap
and all the stuff you need to hook up the intercooler and oillines
pretty much just look around and do research and you will be fine but dont expect much more than 150hp before that thing goes kaboom
 

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hahahah you said capital W....
they are thin...but im pretty sure if you tune it right and dont run 999psi youll be ok...
which turbo are you looking at?
 

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90 CRX hf
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Discussion Starter #8 (Edited)
I have a Volvo 740 wagon with turbo, intercooler. So whatever that has on it, lol.

I was also pondering the idea of gettin a junkyard a6 block, puttin vitaras and rods in it, and then puttin my Y8 head on it... but my budjet is pretty damn slim, so I'm tryin to work with what I have as much as I can.

I was thinkin 130-140 hp would be good, at least until I get a better bottom end goin on that wont explode on me.

Still deciding between obd-0 or 1, the only thing I don't like about obd-0 is the damn 1 wire 02 sensor... I'd much rather have something I could stick a wideband on down the line.

I'm pretty good with fabrication, as is my dad, so I'm not at all worried about the exhaust piping, I have a welder and a oxy/acetylene torch so I think I can manage as far as that goes. My main concern is just keeping the engine from exploding.

Oh, and how do you remove injectors? just unplug and yank from IM and fuel rail or what? never played with them.

You guys rock by the way, thanks.
 

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Discussion Starter #10 (Edited)
Well for starters anyway, I'm sure eventually I'll get bored with it. Does the A6 have stronger rods than the D15B2 or somethin? Why the A6 over the D15?

Also, according to the sticky about junkyard turbos, the volvo turbo is made for a 2.3L engine... that may pose problems... anyone know how to adjust it?

Although, I suppose my car wouldnt be putting out as much exhaust as a 2.3L volvo engine, so it also wouldnt cause the turbo to spool up as much, creating less pressure... so maybe it wouldnt be so bad... Any input on that theory?
 

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Discussion Starter #12
Well in that case I might have to go hit up the junkyard and see about gettin one, now you've got me thinkin. =)

200 hp would be some serious fun, although, I'd probably start breakin other stuff... Like my tranny or axels...

Whats a reasonable price to pay for a good running a6?
 

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$400 tops and thats on a high note. when i lived in florida they were a dime a dozen so 100 dollars could get you a good a6....also as long as you dont be stupid trannies and axles will be fine. people run these d-series hard all the time. like tronsteezz said check out homemadeturbo.com its filled with all the info you are looking for
 

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Discussion Starter #14
Ok, thanks, I just wanted to be sure, the local junkyard here sells things pretty overpriced I think, So I didnt want them tryin to charge me somethin rediculous. Before I knew what things were worth, I let them charge me 350 for an SI tranny. =(
 

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The volvo turbo will be fine in your engine. Swap in an A6 cam while you're at it. You will be able to pull out more than 130 whp in my opinion. I'd say somewhere between 160-180whp depending.
 

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:uh: guys, youre confusing him


that Volvo turbo is a t3 .42/.48 and is perfect for a d15b2.
it should spool very fast.
stock bottom end should be just fine for that turbo. dont go with a dsm turbo, that turbo is much better and easier to work with. going with a dsm would almost be downsizing.
if you have an hf manifold you can bolt that turbo right up to it with an adapter pate from bmc.
http://bmcrace.com/
look into some dsm injectors, maybe some 450s which are fairly common and cheap.
heres an hf adapter with an adapter plate from a member on here

t3 turbo identification



read the engine management forum faq, thats very important.
 

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ej2
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wow I pushed my d15 to 12 psi daily, Not recommened but hey I got a little boost itch, anyway, the d15 is fine, dont listen to people who doubt it, they obviously dont know what there talking about, look up my thread about me turbo'ing my d15. the only reason I blew it cause my boost controller let that bad boy spike to 15 psi
 
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