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Are '73 and '74 Tii K-fisch systems the same? (nt)


Guest Anonymous

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Guest Anonymous

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The 73 is like a 72 but the 74 was designed for lower octane fuel and a retard distributor. Believe it or not, if you have a 74 tii and swap distributors to a straight centrifugal,it won't idle for crap. The whole setup is a package system

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Guest Anonymous

The fuel delivery rates are different 72/3 vs 74. The '74 pump is leaner below 2500rpm but richer above. At small throttle openings the '74 is a whole lot leaner all the way to 4Krpm.

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