Vintage Mustang Forums - View Single Post - Lets talk CAM LSA
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post #5 of (permalink) Old 07-02-2019, 07:15 PM
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Join Date: May 2005
Location: Charlotte NC
Posts: 1,639
The LSA number by itself is not telling you all you need to know.
Duration at .050 plus LSA tells you overlap.
As said earlier, more overlap equals rougher idle and poor low end.
Street cams are always a compromise. You have to compromise high end power for low rpm drivability.
For the letter cam example above, the E303 has less duration than the B303. So the less duration with a narrower LSA still may have less overlap.
Try this for interesting reading

1969 coupe
372 Cleveland, 4 speed, 9" T.50 Trac Lock axle, Toploader, Global west suspension, Big Lincoln Trans Am Brakes front, Eldorado caliper/ MK VII disk rear.

Last edited by Jsams; 07-02-2019 at 07:25 PM.
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