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Topgear
Stock A12 Turbo, 70kw-96kw atw
#1
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Re-dynoed this Turbo setup today. It made 69-70kw atw the first time which I was quite happy with considering it was a std 1200 motor with a gasket kit and a set of rings.

It runs a suck through CD Stromberg, very basic and simple. It had a std air filter with a sharp edge at the entry, which I didnt think would make that much difference on a turbo setup...???

I made a little half/donut-ram tube for the air filter, retuned the mixtures (had the carbie apart) and ended with 80kws, pretty happy with that!! I put a couple more degrees of timing in and it lost huge HP, 58kw

I went back to where I was, then took a little more out, BINGO 84kws!!

Took a little more out, BANG 90kws!!

Took a little more out, BANG 96kws!!

I didnt want to take any more out, just incase it went better, as strange as it may sound. I had in the back of my mind that motors usually go there best before they go bang!! Plus it still has 30year old std pistons in it!?!?

It wasnt pinging before, but obviously wasnt fully happy with where it was. Its seems very happy now

Posted on: 2006/8/29 13:45
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Topgear
Re: Stock A12 Turbo, 70kw-96kw atw
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This is the gearbox and H145 LSD I am running. So far so good

Posted on: 2006/8/29 13:59
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WhiteSedan
Re: Stock A12 Turbo, 70kw-96kw atw
#3
No life (a.k.a. DattoMaster)
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Good results, interesting what a stocker a-series can do, nice work on the manifolds there!

Posted on: 2006/8/29 14:07
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cheap + fast = disaster
fast + reliable = expensive
cheap + reliable = stock

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rev210
Re: Stock A12 Turbo, 70kw-96kw atw
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how much timing did you end up going with under boost against how much at idle?


Posted on: 2006/9/14 6:18
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Topgear
Re: Stock A12 Turbo, 70kw-96kw atw
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Why has this thread doubled up???

Posted on: 2006/9/14 7:44
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pro-240c
Re: Stock A12 Turbo, 70kw-96kw atw
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this is all very encouraging news.

Team_dat and i are building a turbo A12 at the moment - bog stock engine except for double valve springs and a wade 446 cam. i've re-tensioned the bottom end again for peace of mind

the turbo of choice is a TF035HM - the automatic forester GT turbos.

we're using 1

Posted on: 2006/9/14 8:59
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Topgear
Re: Stock A12 Turbo, 70kw-96kw atw
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Quote:

pro-240c wrote:
this is all very encouraging news.

Team_dat and i are building a turbo A12 at the moment - bog stock engine except for double valve springs and a wade 446 cam. i've re-tensioned the bottom end again for peace of mind

the turbo of choice is a TF035HM - the automatic forester GT turbos.

we're using 1

Posted on: 2006/9/18 1:33
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