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Same as N-41 except utilizing 1.7 R.R. 302 c.i.d. This cam is to be used with 1.7 R.R. Best cam for GT-40. Great with TFS or Edelbrock heads. Minimum 24lb injectors and 75mm mass air. Recommend 3.73 to 4.30 gears. Good drivability down to 2100 rpm, lumpy idle, rpm range 2600-6200, works best with 89-93 EEC, needs 2800-3000 converter. With bolt-down R.R., needs 0.040" longer push rods.

AFM N-21

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