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 tweety
Wolfsburg Wizard
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| posted on August 31st, 2012 at 09:15 PM |
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So following this testing today I've found that Snow industries (maker of my 220psi pump) has a 60ml/min nozzle, half the flow of the Spraying
Systems Company nozzle tested today. Furthermore you can screw it into your pre sC intake manifold.
Available from Rocket Industries NSW. A solonoid also available for when your nozzle is mounted at vacuum location to stop sucking water.
Baccara P/l have pressure switches. have emailed them for info.
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tweety
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| posted on September 4th, 2012 at 10:33 PM |
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Water injection.
It isnt easy finding a simple boost switch unless you want one to come on at 5 or 10 psi. I wanted one to come on at 0.5 psi.
Baccara sold me a pressure switch sales@baccara.com.au for $43 plus postage. This switch is made by a
Chinese firm called LEFOO. Item number LF42. Not much info on the web except that its used for remote operation etc.
Hooked it up to a test light and blew into it to find it only came on every second time I blew into it??? So pulled it apart.
This is the switch
Note the two white items on the right.
When I pulled the switch off the diaphram housing it exposed these peices. One is a small rachet shaped like a hole saw and the other shaped like a
space station lol. Anyway they were replaced with a small length of tube. reassembly and it works just as I wanted each time I blew into it.
With the tube in place
The discarded internals.
This will be hooked up to the earth lead of the water injection pump and it will be mounted on the manifold with an extension piece. Rated at 80C
temp. dont know the temp a manifold will get up to likely more than 80C but play it safe using a 180mm extension hose I suppose.????
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tweety
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| posted on September 7th, 2012 at 10:06 PM |
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Some progress after two days working on this trike.
I've taken some advice to make certain there is no impeding of the airflow into the carbie. Used the base of the previous smaller airbox and
installed a larger outer case.
But this time air wont just enter from the front but enter at all sides.
This will prevent the foam trumpet filters from getting wet.
Intalled most of the water injection system except the injector and pressure switch.
injector line was purchased from a hose retailer. got the 600psi stuff instead of 250psi.
So now I have to take off the inlet manifold to install the single injector, get an adapter for the pressure switch to be mounted on the ea81
manifold, fit a relay to the pump and wire up the pressure switch, eventually fir a low water warning light, also a no flow light and get that last
dyno tune.
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vlad01
Compulsive Aussie Vee Dubber
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| posted on September 11th, 2012 at 12:23 PM |
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| Quote: | Originally
posted by pete wood
interesting gemini, is that a buick V6 hiding under there?
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Yup, I recon it is.
71 notchback,
Past owner of, 70 NB, 73 SB and 72 FB TLE |
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tweety
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| posted on November 24th, 2012 at 10:16 PM |
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Ok, a lot has happened since my last post.
All airleaks were eliminated with new home cut nitrile gasket rubber from Clark rubber. 3mm thick it is the way to go with superchargers etc and can
take heat well.
The final dyno didnt produce any more power. idle jets were way too large though. 52's in the dellorto went down to 40's but bogged down on take
off so 45's did the trick. This made the engine a little more economical.
I had an issue with blow by. With a subie engine ea81 anyway the air should circulate dizzy side suck in air alt side valve cover exit air to pcv.
oil would exit both mini air filters on each side. so I fitted a one way valve on the dizzy side so it can only suck air in and a catch can from
Autobarn $90 on the other valve cover exit...then into the pcv. this will also drastically lower oil going back through the engine via the
supercharger.
Water injection seems to be working well.
Future plans are going to be minimal now. Time for riding Tweety and not greasing up. But a 103mm ribbed pully to replace the 120mm one on the SC
will raise boost to about 10psi. I've got the water injection so why not? Ive recalibrated the dizzy etc so it should be reliable. Recently I
installed baffles in the 4 exhaust pipes to lower drine at cruise.
That's the end of this thread. hope you all enjoyed it as much as I did. Thankyou to Joel for our many PM'sfor advice.
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Joel
Scirocco Rare
Now containing 100% E-Wang
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| posted on November 25th, 2012 at 11:21 AM |
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Now get out there and enjoy it, don't get bored like me and swap it for soemthing different.
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tweety
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| posted on December 1st, 2012 at 08:05 AM |
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yes I will enjoy it as soon as I replace both rear axles and hubs with new ones. one hub stripped recently. 45 year old they were.
The only thing I've done since last post was place a catch can on it. on the dizzy side of the engine on the valve cover I put a one way valve on
the breather and a mini air filter so it can only suck air. the other side went to the catch can then to the pcv.
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tweety
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| posted on May 26th, 2013 at 09:14 AM |
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The draw through Sc12 set up on Tweety has been running almost fault free. I did start to get some blowby so fitted a catch can tank, with a hose
from the oil filler pipe that fixed that. But for some time I've been disappointed with the economy of the SC draw through system. Furthermore I'm
57 and the ea81 I have in tweety is leaking oil and consuming it a little too. I desire a new engine rebuilt with new oversize pistons/new valve
guides etc. I want the next engine to see me out!
I was tempted to go EJ20. But i've spent a fair bit on this drivetrain. The exhaust alone $1700. So retaining the ea81 will be reasonable in cost
and the original reason for going ea81 was simplicity (no timing belts, easy tappet adjust etc). Most importantly the Panther trikes dont have engine
moutns and are monocogue chassis- there is no place for mounts to be - mounted! So I want to stick with the ea81.
So I picked up a spare ea81 engine that will be totally rebuilt, painted etc. I also bought a Subaru ea81 SPFI system complete from a guy that
imported it and ;lost interest.
The plan is to take off the SC12 and install the SPFI and get it running well. Then swap engines when the recoed one comes back. Later on down the
track the SC12 will be installed in a blow through set up with pully on/off clutch. So the long term benefit will be- off boost the economy and
efficiency of EFI on a new engine. On boost for uphills and towing. I'll run the same 5psi I have now- adequate boost without the reliability
issues.
I have a mate that will help me with the SPFI install. the loom looks a nightmare in the box!!
 '
by the way....I did for a time have water injection. This was for me a waste of time. Firstly at 5psi and a recalibrated dizzy the engine didnt ping
at all, if it did the WI would have helped in that regard. I installed it to help with the economy but it didnt at all. Its just another add on that
complicates things IMO.
will keep you all posted.
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Doug Sweetman
Veteran Volks Folk
Nil Bastardo Carborundum
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| posted on May 26th, 2013 at 06:15 PM |
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Nice then you will have best of both worlds. I have a soft spot for the
EA81's they are such a compact motor...
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tweety
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| posted on July 11th, 2013 at 09:35 PM |
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Thanks Doug.
Update. Next month I am to instal the SPFI to my EA81. I've familiarised myself with the loom and been reading up on the SPFI conversion by Snowman
on the net. Pretty comprehensive write up there.
For those unfamiliar with the EA82 SPFI that we didnt get in Oz, the eA81 will accept the system. The main issues of work to do include- fitting an
O2 Sensor to your exhaust, Fitting the high pressure electric fuel pump, fitting a return fuel line to the tank, different coolant outlet on the
engine required different top hose, fitting the loom in situ, mounting the ECU under the dash or in Tweety's case in a cool place under the body.
With a kit (that is hard to get from the USA) you might be lucky and get the dizzy with it already modified on the bottom gear to fit the ea81 and a
few other things to make it easy fitting. Like I said it isnt installed yet and hope to report when its running.
My current EA81 is stock so has probably 8.7:1 compression whereas the EA82 SPFI engine had 9.5:1. My next fully recoed engine will have the 9.5:1
and matched cam. So I dont expect full power output like the original eA82 SPFI engine which was 90hp. Maybe 85 or so figner crossed and bloody good
fuel economy.
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