240 L4-2320cc 2.3L SOHC B23F FI (1983)
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cut back valve spring discontinued
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detent regulator valve spring position adjusted
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Special modifications (B27):
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new type low coast modulator valve spring introduced on B27A/E (on transmissions with codes 001,002,007)
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new type cam introduced on B27A with valve body code 5019
