cam specs on an 87 350 mag
Anyone know the specs?
What about a good aftermarket for stock 350 mags? Thanks Jason |
According to Dennis Moore the stock cam(s) are:
Mercury p/n 431-5943 non-roller type GM p/n 340284 Duration @ .050 200I/212E Lift @ .050 .400I/.410E Lobe C.L. 108*ATDC/112*BTDC Lobe seperation 110* Mercury p/n 431-811658 roller cam Duration @ .050 197I/207E Lift @ .050 .430I/.450E Lobe C.L. 106*ATDC/112*BTDC Lobe seperation 109* It depends on when your engine was made as which cam you have. Mine was made in late '87/early '88 and it's a non-roller. Sometime in '88, maybe early '89, they switched to a roller cam. |
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