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My first investigation of this project would be to get a starting point of the power level of a totally stock 1,3 engine that is in here : So as I have a Dynapack test unit ill just mount it up: Will show all changes in power level via this unit. It is a fantastic piece of...

Thanks for thanks and for looking :) Hope this project as well will inspire Micra owners to try out some things :)

@alexzaki Feel free to read as much as you please and if there is anything you want to ask about do that :)

@coz Next step in the project is actually exhaust manifold etc :)

Project : MAXI MICRA This project is going to be a little cars adventure from being a tiny little shy duckling to a roaring hawk that sheds fear amongst its prey. Ha Ha,,,,,doesn’t that sound weird ? The Micra`s has made me more and more interested in what we can do with them and how...

Thank You all for feedback , appreciate it :) The idea of this project is as one commented : to try , test and share for everyone to see. Hopefully also people can perform much of the same stuff that i have. No spaceage or hightech nonsens perculiarities just plain simple stuff to see for...

Here you can see what the result was after just putting onto the manifold the modified throttle body and spacer : (Our last measurement was :50.00 HP / 75.8 Nm ! ) NOW : 52.3 HP and 77,8 Nm That was a net gain of 2,3 Hp and 2 Nm A gain throughout the rpm register was noted and not...

frank : sorry if im not totally up in the tops with the language , but what is F/A ? i can say that the main reason for making this spacer is not " heat soak " issues :) Anyone else wanna go for a guess ? :)

Oki , this little “ thingy “ is going to be a spacer between the throttle body itself and the inlet manifold: The notch on one of the sides has this purpose : I use a gasket to mark the outlines of the underside of the ”thingy ” : Make some cutouts for bolts to go through ...

@6.5 x 55 i can answer you if you like ; Yes it is worthwhile. Either in closed or open loop but that is another story. As a pure bolt on a FPR as shown WILL give you benefits. There are also other reasons for putting it on and that i will show later in another project :). @pollyp well ...

these in the link are wery interesting. does anyone know of a picture of them on a K11 Micra ?

@lowrider You are absoluetly right about the shafts possibillity as a improvment to get more air into the engine. I have taken this even a bit further on one of my latest projects by making a “flat-slide “ thingy integrated in a OEM throttle body housing. But this will be showed in a later...

mckenziecz : Great little adventure for your Micra here , good stuff :) Could i ask if these arches that you have in the pictures are a good fit and specifically for the K11 Micras ? any pics of them installed on a micra available ? Keep up the project !

Edit ; thanks for the "thanks " guys :) Here is next step in the Micro Micras adventure : The throttle body itself is from Nissan a quite clever little thing. Nissan has integrated several details of engine “ management “ into it and will be able to , in a small modified edition ...

Like you project here Micra Tom :) Good reading and some stuff makes me curious : -The mentioned "splitter" from Laguna / Espace is that a bolt on thingy direct from that car or if not what mods are needed ? -"coloured hoses in engine bay " ,,,, is there a set one can buy for all of them...

Ed : I do belive that it is not up to you Ed to decide whats relevant or not ? As far as i can see this is the second time you commented any of my content in my threads and as usual the only thing you do is to critize in a negative manner,,again. After recieving so many positive comments...

Here are the 2 corresponding power graphs of the earlier posted AFR / fuel press , graphs : GREEN = HIGHER FUEL PRESSURE RED = LOWER FUEL PRESSURE Simply by increasing the fuel pressure = you will get nearer the AFR that the engine will produce more power from. Just bu using a...

pjg1979 Everybody learns either way. Keep an open mind. @lowrider You may have discovered that my question was quite simple : Which one of the 2 graphs gives the highest output ? "It's too close to call" ,,,you say ? 2 close at which point ? Wouldnt it be fair to say that in the...

@6,5 x 55 14,7 is nothing but a number and mostly not the number that brings out the power and , yes ( well observed ) the dip is quite signicicant and for a reason :) Good stuff mate , more opinions for the people here :)

Shaun : But you will be able to get more info in a bit :) Frank : Hmm , is that your final answer :) Lowrider; Absoluetly right , none of them are optimal at all , but which one gave the most power and were there any disadvantages with it and if in case where in the rpm range ? Come...