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Cheapest thing I've done to my 750 engine that made a positive difference is the JSM offset stepped cam key set up for 2 degrees of cam timing advance. ($6.00US, plus owner labor) The JS2 cam I'm using it with wasn't that cheap though. What the 2 additional degrees of cam timing did was improve the torque/power curve making it very linier and better on the street. It was already good, but it is better now. I don't know if it made any difference at high RPM. I have not been over 90mph with my current engine set up. My engine doesn't struggle at all to hit 90 mph. Theoretically HP might drop off sooner at high RPM, since it comes on sooner with advanced cam timing. Not sure if 2 more degrees of cam timing would be very noticeable with a stock cam, but it would work with a 2S cam which I found to be a little spikey in power delivery.

I did not do before and after dyno runs on the same dyno to get any numbers. 2 degrees is not much, but I don't know if it would work with totally flat top pistons without valve pockets. My guess is it would but should be verified.

The change 2 degrees of additional cam timing makes might be too subtle for some people, making it a waste of their time, and might be too much work for a lot of people that have never seen what is behind the timing side cover. YBDMV

<blockquote data-quote="Schwany" data-source="post: 687514" data-attributes="member: 10834">Cheapest thing I&#039;ve done to my 750 engine that made a positive difference is the JSM offset stepped cam key set up for 2 degrees of cam timing advance. ($6.00US, plus owner labor) The JS2 cam I&#039;m using it with wasn&#039;t that cheap though. What the 2 additional degrees of cam timing did was improve the torque/power curve making it very linier and better on the street. It was already good, but it is better now. I don&#039;t know if it made any difference at high RPM. I have not been over 90mph with my current engine set up. My engine doesn&#039;t struggle at all to hit 90 mph. Theoretically HP might drop off sooner at high RPM, since it comes on sooner with advanced cam timing. Not sure if 2 more degrees of cam timing would be very noticeable with a stock cam, but it would work with a 2S cam which I found to be a little spikey in power delivery. I did not do before and after dyno runs on the same dyno to get any numbers. 2 degrees is not much, but I don&#039;t know if it would work with totally flat top pistons without valve pockets. My guess is it would but should be verified. The change 2 degrees of additional cam timing makes might be too subtle for some people, making it a waste of their time, and might be too much work for a lot of people that have never seen what is behind the timing side cover.&nbsp; YBDMV</blockquote>

[QUOTE="Schwany, post: 687514, member: 10834"] Cheapest thing I've done to my 750 engine that made a positive difference is the JSM offset stepped cam key set up for 2 degrees of cam timing advance. ($6.00US, plus owner labor) The JS2 cam I'm using it with wasn't that cheap though. What the 2 additional degrees of cam timing did was improve the torque/power curve making it very linier and better on the street. It was already good, but it is better now. I don't know if it made any difference at high RPM. I have not been over 90mph with my current engine set up. My engine doesn't struggle at all to hit 90 mph. Theoretically HP might drop off sooner at high RPM, since it comes on sooner with advanced cam timing. Not sure if 2 more degrees of cam timing would be very noticeable with a stock cam, but it would work with a 2S cam which I found to be a little spikey in power delivery. I did not do before and after dyno runs on the same dyno to get any numbers. 2 degrees is not much, but I don't know if it would work with totally flat top pistons without valve pockets. My guess is it would but should be verified. The change 2 degrees of additional cam timing makes might be too subtle for some people, making it a waste of their time, and might be too much work for a lot of people that have never seen what is behind the timing side cover. YBDMV [/QUOTE]