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 Post subject: Norwegian G16B AMR500 project in samurai, questions
PostPosted: Mon Mar 14, 2016 6:54 am 
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Joined: Mon Mar 14, 2016 6:33 am
Posts: 2
Location: Norway
Hello all:)

found your site searching for some info on supercharging, and it seems like there are lots of knowledge between the users here:)

Me and a friend have a samurai which we have had for years as a low budget ofroader.. We have been down the route G13, G16A carb, and now a G16B injection engine.. So suddenly an AMR500 turned up at the garage..

We are now done plumbing the pressureside. and have had our initial startup, which didnt go too well as it killed the spark plugs... (colder plugs to be ordered)

my question is as follows:

Can we use the stock engine management with the low boost compressor (under 0.5 bar) as the boost is linear with the engines revs .
and how about injectors?, we are running a Bosch 044 fuelpump, no regulator yet,) so it gets all too much fuel.. anyone know how much pressure we needs to have?

Really hope someone can help a little here as we are pretty green in the forced inductionworld:)

Thank you

Sven Glosli


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 Post subject: Re: Norwegian G16B AMR500 project in samurai, questions
PostPosted: Tue Mar 15, 2016 10:59 pm 
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Joined: Mon Aug 25, 2003 12:00 am
Posts: 17515
Location: ACT
sven410 wrote:
Can we use the stock engine management with the low boost compressor (under 0.5 bar) as the boost is linear with the engines revs .
and how about injectors?, we are running a Bosch 044 fuelpump, no regulator yet,) so it gets all too much fuel.. anyone know how much pressure we needs to have?


Assuming you can get the fuel side set up then you should be able to use the standard ECU/ECM at 7PSI, but it depends on whether it uses a MAP or MAF sensor. Standard injectors should also work if you bump up the base pressure with a good quality aftermarket reg. Rule of thumb for a basic setup is to use a rising rate reg that increases fuel pressure equal to the amount of boost you are running. For example 40PSI at idle, rising to 47PSI at full boost.

Best advise is to install a wideband air/fuel sensor and gauge to make sure it doesn't run lean.

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 Post subject: Re: Norwegian G16B AMR500 project in samurai, questions
PostPosted: Wed Mar 16, 2016 6:10 am 
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Joined: Mon Mar 14, 2016 6:33 am
Posts: 2
Location: Norway
'Hi, and thank you for the answer:)

the injection we uses just uses an air flow sensor, I dont think it uses a Map sensor at all..

I guess the ignition manages this as the boost is linear to the engin revs?


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 Post subject: Re: Norwegian G16B AMR500 project in samurai, questions
PostPosted: Wed Mar 16, 2016 7:23 am 
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If the ECM/ECU uses a MAF sensor then it will not adjust ignition timing to compensate for boost pressure, which is why you need to put more fuel in to avoid detonation. You could install an interceptor /piggyback ECU (Greddy e-manage) to adjust the ignition.

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