ausmini :: View topic - MAD998 - supercharged Moke project

They're from a 660cc twin cam multivalve Subaru engine , they come out of one of the Kei (sp?) class cars in Japan , a Subaru Rex (not relation to a WRX "rex" ...) .

Is the blow off valve being used as a 'back fire release valve'?

As with the SC setup it won't vrrroooom pssst.

However, on 92's SC12 kit there is a spring loaded valve which releases the burnt fuel air mix out in the event of a back fire (which do occur, I know!)

It looks like a good setup though! Should be fun!

True, but after you take your foot off in a turbo car, the turbo, won't slow down imediately, it'll spin and boost for a bit longer. This fills up the plenum and becasue the engine can't take the air it slows down the turbine. So when you put for foot back down, eg. in a gearchange, there will be lag as the turbo needs to get spinning again.

On a supercharged car the charger will stop boosting the moment you take your foot off the accelerator.

My vote is for vrrooommm.....vrrooom, no psssst.

But i might be slightly wrong, or have the complete wrong idea, either way, feel free to correct me.

Author:	Moke'n'Andy [ Tue Oct 23, 2007 5:39 am ]
Post subject:	MAD998 - supercharged Moke project
Any followers of the Moke forum - please dont yawn, but hete is some info on my project to date: Some of my parts Aisin AMR 300 Super charger Metro turbo carby - I had it re kitted Turbo carb plenum. Blow off valve Blower Mounted Intercooler Mounted [url] Carb in place - I cad to cut in to the fire wall to get it in - bugger. I have had the set up running - no pipes connected. It screams. I run the beast up on a dyno before I started the fit up - a massive 30.2 HP - I will be interested to see what I get once connected up. I am NOT expecting a massive improvement - The motor is stock, with extractors and RC40 exhaust.[/url]

Author:	Blokeinamoke [ Tue Oct 23, 2007 7:19 am ]
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Thats going be a mightty powerful Barbeque but seriously - looks interesting - I look forward to hearing how the finished product goes.

Author:	Moke'n'Andy [ Tue Oct 23, 2007 7:30 am ]
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Your are a bad man bloke - the BBQ has a turbo on it already - be silly to blow it as well............??????

Author:	Blokeinamoke [ Tue Oct 23, 2007 7:42 am ]
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what is the blower from - its quite small

Author:	sports850 [ Tue Oct 23, 2007 8:05 am ]
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They're from a 660cc twin cam multivalve Subaru engine , they come out of one of the Kei (sp?) class cars in Japan , a Subaru Rex (not relation to a WRX "rex" ...) .

ausmini https://www.ausmini.com/forums/

MAD998 - supercharged Moke project https://www.ausmini.com/forums/viewtopic.php?f=2&t=37002	Page 1 of 2

Author:	PetenSoaf [ Tue Oct 23, 2007 9:18 am ]
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sports850 wrote: They're from a 660cc twin cam multivalve Subaru engine , they come out of one of the Kei (sp?) class cars in Japan , a Subaru Rex (not relation to a WRX "rex" ...) . Yep, also found on the (import) Subaru Vivio. Theres also a slightly (very slightly) bigger AMR500 available (from the Nissan March, I think). They (the AMR300) work quite well on 998's (I used to have one on my Moke before going to the Ben Aford/SC12 setup). Never did have mine dyno'd with the AMR300 but it gave a driving 'feel' roughly the same as a standard 1275 (that vague enough for ya? ) I used a tiny intercooler (stock Silvia one, I think) - with an intercooler as big as the one you have, it might be a bit laggy (big volume to fill). Still, for the dollars spent (much cheaper than SC12 setup), it's an excellent mod.

Author:	redrocketrider [ Tue Oct 23, 2007 4:20 pm ]
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hey man, how much did the set up cost u if u dont mind me asking? would it bolt on to my 998 leyland:-) heheh

Author:	Kennomini [ Wed Oct 24, 2007 7:13 pm ]
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That's looking good Andy, you've passed my level of compleation in the SC project. Bring it on a run some time and gis a good look PM sent

Author:	slinkey inc [ Thu Oct 25, 2007 4:57 pm ]
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Is the blow off valve being used as a 'back fire release valve'? As with the SC setup it won't vrrroooom pssst. However, on 92's SC12 kit there is a spring loaded valve which releases the burnt fuel air mix out in the event of a back fire (which do occur, I know!) It looks like a good setup though! Should be fun!

Author:	PetenSoaf [ Thu Oct 25, 2007 5:09 pm ]
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slinkey inc wrote: Is the blow off valve being used as a 'back fire release valve'? As with the SC setup it won't vrrroooom pssst. However, on 92's SC12 kit there is a spring loaded valve which releases the burnt fuel air mix out in the event of a back fire (which do occur, I know!) It looks like a good setup though! Should be fun! This is a blow though setup, remember. . . .it'll vroom-psst all you want

Author:	slinkey inc [ Thu Oct 25, 2007 5:43 pm ]
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True, but after you take your foot off in a turbo car, the turbo, won't slow down imediately, it'll spin and boost for a bit longer. This fills up the plenum and becasue the engine can't take the air it slows down the turbine. So when you put for foot back down, eg. in a gearchange, there will be lag as the turbo needs to get spinning again. On a supercharged car the charger will stop boosting the moment you take your foot off the accelerator. My vote is for vrrooommm.....vrrooom, no psssst. But i might be slightly wrong, or have the complete wrong idea, either way, feel free to correct me.

Author:	PetenSoaf [ Thu Oct 25, 2007 5:48 pm ]
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slinkey inc wrote: True, but after you take your foot off in a turbo car, the turbo, won't slow down imediately, it'll spin and boost for a bit longer. This fills up the plenum and becasue the engine can't take the air it slows down the turbine. So when you put for foot back down, eg. in a gearchange, there will be lag as the turbo needs to get spinning again. On a supercharged car the charger will stop boosting the moment you take your foot off the accelerator. My vote is for vrrooommm.....vrrooom, no psssst. But i might be slightly wrong, or have the complete wrong idea, either way, feel free to correct me. The supercharger is still turning when you change gears. . .so it's still producing boost. When the throttle is shut, the pressure is higher on the plenum side of the carb than on the engine side, so the BOV opens and. . .psst! I got a lot of odd looks due to the very japanese-sounding BOV noises coming from my Moke when it had a blow though supercharger install on it. . .

Author:	slinkey inc [ Thu Oct 25, 2007 6:35 pm ]
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Ah ok, fair enough.

Author:	Moke'n'Andy [ Thu Oct 25, 2007 6:44 pm ]
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Broom, Psst, Broom, Psst.

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