07-24-2008, 12:07 AM
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Registered User
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Join Date: Mar 2007
Location: San Antonio, Texas
Posts: 667
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I
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was going to swap to a twin spark but am wondering if after all the time and expense I would notice much of a difference.
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That's an intangable I'm still scratching my head over, Brett. Apparently, the 2L Nord and TS motors are pretty close together in terms of overall design; the major difference being the TS's better cylinder head. So, I guess a lynchpin question is how much actual difference in overall performance would there be between a 2L with well ported head, 10:1 compression, fully mapped engine management and a similar TS? It would be great if someone could take two similar cars and compare a strong Nord motor with a strong TS motor.
What we do know from your and others' experience is that modern engine management, MS or something else, can make a dramatic difference in overall performance and "drivability" of virtually any motor.
At least TS motors are avaliable in OZ. They were never sold here and so obtaining one is a lot more expensive than obtaining a corresponding 2L Nord motor (virtually free since I have a good supply here). In order for me to justify going to the expense of importing a TS, the performance difference would have to be pretty significant.
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Jim . . . '72 Super 1300, '70, 1750GTV, 2nd series,
'62, Lancia Flaminia Zagato3c, 2nd series
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