hondaguy72

Instant spool is what I'm looking for.

I'm going for cheap and low boost, so 6psi non-intercooled for the moment, probably just using a "tuned" fmu, probably 6:1 and I'm already running an integra ecu and injectors, so the current tune is pretty rich as is. These cars are mechanical advance distributors, so no timing control for the moment other than backing off the timing 4 degrees or so.

Stock motors only have 8.5 to 1 compression and are tuned to run on regular 87 octane, so I'll be sure to use premium 91 octane as well. A cheap wideband is in the plans for sure as I'm not fond of changing headgaskets.
I'll probably spring for a obd1 conversion and go with Chrome down the line, but I'm looking to get it on the road this summer.

Cyote

sounds sweet lol my motor mount just brock and smashed in my can/cam gear ... so im swapping in a d16z6 now then turbocharging that but i might do 2 9b's... not sure

hondaguy72

Update. 9b flange came and ITS NOT THE RIGHT PART. I'm almost at a total loss. Anyone know a fool proof way of identifying these mitsubishi turbos? It's only slightly smaller than the 14b on the hotside. The 9b flange is way too small, although the ports seem to line up, just not the mounting points. Here are some pictures.

Both flanges


14b on turbo

poor port alignment and bolts don't line up

9b on turbo

port alignment works, bolt spacing does not.

Any help out there?

Cold side casting numbers indicate the turbo is a 3000gt vr4 but the hot side is obviously not a 9b if the flange is correct. cold side number is 49177-01

Cyote

damn that sucks..... if i were u i just snag up some o2 pipes from a vr4 a stock set and not none of that ebay crap if you need some im pretty sure i can give you a email of someone who be willing to sell you some... or just hit up 3sx.org but take some pics of the turbo itself im not sure of any exhaust hosing that mount to a stock 9b.....

Clean

How far off are the ports? It's hard to tell in the pic.

Can you grind the turbo to match or grind out the flange. When you weld the tube in, fill the gap in the flange with weld. It doesn't look like it will be a very big gap.

hondaguy72

I'll probably end up using the larger flange as I can modify it to fit. I was just trying to get the right flange for this thing. Never thought it would be this difficult.

The wastegate port is only off a bit, but it will make fabbing a downpipe that much more interesting. Time to get grinding and welding.

Cyote

o yeah thats not a 9b exhaust housing..... off a vr4 anyways because this is a 9b off a vr4.... (not the shiny one thats a 16g its the rusty used one)

hondaguy72

I believe I have finally figured out what the hell this turbo is. It appears to be an 11b. More info to come as I get it. It will probably be impossible to find a manufactured flange that would be a direct fit, but who knows.

found a bit more info. Turbo is from 1988 mitsubishi colt turbo. Should be an excellent match for a low boost street turbo for the EW motor.

busa4

http://www.roadraceengineering.com/p...bineoutlet.JPG

hondaguy72

I wish that would work. I've already got a similar flange to that, but it's too big. I've resigned my self to fabricating one. A little more work, but then it will really be a HMT!