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personally i think main difference between diesel and petrol turbos is that diesel produces more heat and more exhaust gas due to its very high compression. so it might b that 1litre daihatsu diesel turbo could b good for 1171 CC. not sure though.
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where is the vacuum line positioned on a carb? is it above the accelerator cable? to the opposite side of the cable or what? from what u have described i think its mechanical; one end of a thin rod is inserted to same part where the accelerator cable is and other end of rod in almost on the end of mouth of the carb. it it what u meant??
barpk

first off all i meant by saying keeping boost @ 10 PSI for a month , in other sense, meaning i know i wont b able to keep it @ 10 PSI i thought u would get my point!
barpk

my Datto is the last model with A12 engine (1980) i have replaced its full carb kit 3 times in past 10 years, and i never had to file its any carb part. i hope it doesnt blow under 10 PSI(its seals r made of cork sheet, r they ok for 10 PSI?). as i aint gonna go above this for a month atleast.
can i use ANY 2000-2500 diesel turbo for A12?, as their CC is more, shoudnt higher RPM compensate the compressor buildup or not? e.g diesel RPM is 5500, A12 is 6500 which means 19% RPM difference, but engine capacity is 80% - 100% more, doesnt that mean the turbo made for larger engine wont buildup any considerable PSI for A12??? or, as the diesel turbos spool up in lower RPM ranges due to its OEM requirment, the 6500 RPM should give it enough boost???
can this big turbo stall if i put it in A12??
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what r these vacuum secondries? how do i know if they r present or not, BTW my float is solid plastic. and my A12 is the latest modified A12 from japan.
phunkdoktaspok; u also wrote in reply to "turbo A 15 being built" that friend of yours fittedT3 turbos in A12! now these turbos r used in 2.3 Mustang and 3 litre nissans and many other above 2 litre engines! does that mean a larger diesel turbo will also work fine in my A12!!! clearify plz.....

what suggestion do u guys have of fabricating IC out of radiator?
barpk

daihatsu RPM limit is 5500, i dont know about the A12 limit? anyone.....
i know that BOV is seperate unit! i just wanted to know if it is in the cars bonnett or not? so does the W/G?
i want to run air through the water channels in the radiator, its not more restricted then intercooleri i suppose.
what about getting a Pajero diesel turbo? have any one of u know anything about it?
barpk

firstly thanks to danielblues, bent-axle-bob and other senior members for letting me in!
i am an owner of 1980 Datsun 120Y(square lights B310) it has A12 engine in it. i am going to install a turbo in it, most probably a Daihatsu 1000 cc diesel turbo unit. i need a lot of help from u guys. go_the_datto installed same unit in his A12 but 2 instead of one. now i have never actually seen it, but i know i can get it easily,
go_the_datto u should know answer to most of these questions
Firstly i want to know does it have wastegate(internal/external etc..) and blowoff valve or not.
And i dont want to box the whole carb, so how much PSI should b safe for carbs seals?
can i expect 50% gain in HP from this setup?
I dont have any intercooler for it. can i use any Aluminium water radiator instead of intercooler, is it better then nothing?
is Daihatsu turbo too small for A12 to work optimally? or 200CC difference is ignorable?

BTW i am from Pakistan, and hopefully the first guy here who is going to modify any Datto ever
so guys help me as i want to kick some Honda 1.5 litre butts
barpk