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Old 05-13-2011, 03:49 PM   #1
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Default I know its not ideal...

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1989 1600 Eunos Roadster. Bought it off a mate with a spare set of wheels for 750 with a full MOT, sold the wheels off the car for 280 = $760 car :-)

Has/had a full sports exhaust with tubular manifold and adjustable rate front shocks. Have fitted a set of Toyo T1Rs too it and the handling is incredible, done a couple of track sessions in it too, I seemed to be to the only idiot that turned up with a crosser helmet

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I went to the Nurburgring in March with a group of guys and one of them had at home a turbo charged 1600 Roadster/MX5/Eunos. Had been done the cheap/basic way with 1.8 injectors, FPR, retarded ignition timing etc. After looking in to both ways of going about turboing I decided that I would be happy with just another 30hp or so and that I'd give the cheaper way a go first, if it leaves me wanting more, then I'll go the full management possibly forged way in the future.

I've now bought and fitted a cast T3 flanged manifold, 1.8 injectors, fuel pressure regulator, a cheap no brand turbo which has turned out to be way way bigger than anticipated(!), but hopefully with it being a generic T3 manifold and 5 stud exhaust flange is swappable for a smaller T3 turbo if this one fails to make any useable boost/disintegrates. Home made a full exhaust system out of 2.5" Stainless and am currently waiting to pipe up my cheapy universal intercooler kit.

Heres some pics so far;

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Started it up with the old airflow meter and pipe work attatched, exhaust sounds good but is blowing from the V band a bit. I've welded a bracket on the downpipe so it's bolted to the bell housing meaning theres no weight hanging on the V band, it's been ground flat after welding so going to try readjusting it, if that doesn't sort it I may just weld it to the turbo

I'm half expecting to be laughed at by you guys, a turbo that size looks like it should be on a 1000hp Skyline or something! But it was only 100, if it doesn't work its not the end of the world and I can buy something more appropriate
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Old 05-13-2011, 04:19 PM   #2
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you could have purchased a true T3 sized turbo for the same price. and yes, it's large.


get the heater hose off your DP. and get the oil feed off the manifold.
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Old 05-13-2011, 04:30 PM   #3
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Quote:
Originally Posted by StuntmanAd View Post
I went to the Nurburgring in March with a group of sexy guys and one of them had at home a turbo charged 1600 Roadster/MX5/Eunos.


lol I like it! Good luck with everything.
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Old 05-14-2011, 01:54 PM   #4
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No man loving here

You reckon it'll make any useable boost on a standard 1600? The turbos figures are;

Compressor wheel, 50.5mm inducer, 76mm exducer, 55 trim, AR 0.5

Turbine wheel, 65.5mm inducer, 55.9mm exducer, 73 trim, AR 0.63


I've had a read up on the net and its not looking good, but I'm only after 9 or so psi so hopefully it can produce that before the rev limiter kicks in!
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Old 05-14-2011, 03:20 PM   #5
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I agree with Braineack on all parts
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Old 05-20-2011, 09:24 PM   #6
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Got it all up and running, havn't plumbed the intercooler in yet but have a few issues to get through first. The biggest being the turbo is passing a large amount of oil in to the compressor/inlet side. Its a chinese rip off so I knew I was taking a big risk but the thing hasn't even done 10 miles. Has an oil restrictor in place, doesn't appear to have too much shaft play but it is highly anti-social drivin it as is I'm going to pull the turbo apart and see if there is anything I can do. Anybody happen to know if a Garret T3 turbo rebuild kit is useable on a rip-off T3 style turbo?


Initial thoughts after a small amount of driving; Quicker, about 10mph so over a 1/4 mile (ish) distance running just 5psi, sounds awesome and smokes a lot :-D
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