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Thread: sbc twin turbos
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01-16-2006 #1Registered User
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sbc twin turbos
anyone try using two turbos from a grand national? what kind of hp could you get out of them? with a 350? thanks
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01-16-2006 #2
They would be a little laggey. Without getting into air compressor mapping and all basically with a twin turbo small block you have 2 4 cylinders. What you want is a set of turbos like off a Celica Altrac turbo (CT-20) if you are trying to do it on a budget. They would work very well.
After much research, consideration, and experimentation, I have decided that adulthood is not for me. Thank you for the opportunity.
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01-16-2006 #3Starting The Transformation
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Originally Posted by jakespeeds
Better yet look at the stock turbos like a HX35 from a CTD ram.
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01-16-2006 #4
You're right they are not very big but the airflow map for a stock GN does not fit well to one side of a SBC. There is just not enough exhaust gas energy coming out of a SBC to get two of those spinning under pressure until almost 4K RPM. That's not so good for the street where I am concerned. Two CT-20 turbos on the other hand would be spinning under pressure around the 2800 RPM mark. I have no experince with the HX35.
After much research, consideration, and experimentation, I have decided that adulthood is not for me. Thank you for the opportunity.
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01-16-2006 #5