Yeah but, the more air it flows the richer the carb gets. It's all relative to air flow. the turbo cant pump air into the motor wiyhout it passing through the carb first-pulling in the required amont of fuel.
I would think that the needle would need a wee bit of modifiying to make it run a bit richer, but tit wouldnt need much Beacause the air fuel ratio of the carburator should be about right.

re: those carb calcs.

one would be fine for an NA engine, but for forced induction you'll want something off an engine around double the size - hence why the 32/36s or a 2in SU works so well.

Yeah, when I first saw a picture of one of these , I was insantly convinced that I had to build one too.
The easyest carb choice in my opinion would be one of the carbs off a 2500 triumph.
Half of 2500 is 1250, nearly perfect for a 1200. Plus a mate of mines dad has wrecked literally hundreads of them, so I can get a good working carb for $30NZD.
Im waiting to find a turbo with some life left in it for the right price(Im much too tight to splash out for a flash one.

Hey A14 force, the setup u described is so simple, i love it and will do exactly that! with standard low compression of around 8.5:1 i reckon that would be fine for up to 1 bar yeah, and water injection, why not.
btw im currently having a turbo install done on a mitsi magna 3.0, but thats costin much bigger $, kind of a cruiser-sleeper project while datsun is my weekend toy. and i now know i can also do my datsun so cheaply, esp as there would be so many old wrx turbos around, as many get upgraded.
cheers.

has anyone bolted a IDF onto their datos?

i heard bout the A14 rods from Reg Cook and if anybody knows Reg would know

I thought the a14 and a15 uesd the same rod but had a different crown height on the piston.

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that's really interesting, i've also heard this but i took no notice of it. it certainly doesn't seem to apply in practise though - i still reckon a turbo A12 is a rockin' little engine.

anyone out there running a turbo A14 had any 'rod failures?

hey guys, just thought id say, another good way to drop compressions is to do as im doing and have the tops milled down slightly, jeff taylor reckons its the best way for forced induction so im having it done to my s/c a15 should have it back this weekend or next ill be sure to take heaps of pics of my newly acquired aseries goodies.