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| Re: Stock A12 Turbo, 70kw-96kw atw |
Subject: Re: Stock A12 Turbo, 70kw-96kw atw
by Topgear on 2006/8/31 8:36:04
No im sure its an A14 or A15 head. I wouldnt have thought it would be worth the large figures it has achieved?
They are a much better flowing head though...
I checked the timing, it appears to be about 6degrees before tdc.. not much...
Being a Stromberg / SU suction type carbie, there opening is dependant on air flow. As I mentioned earlier we would file a small flat on the back of the needle to give us more fuel. If it was lean up top we would file it off the bottom of the needle, and the opposite if it was lean down low. Very simple but very effective... 
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