[DeTomaso] DeTomaso Digest, Vol 86, Issue 21 Critical Rpm

[MikeLDrew at aol.com]

In a message dated 9/21/11 18 48 48, oldwheel at shaw.ca writes:


> This effect can be tuned with intake and exhaust lengths, etc. to some
> extent, but it's an effect of the cam timing, for sure. You can minimize 
> it
> somewhat by retarding the spark a bit at that RPM and vacuum level.
> 

I had just such a surge at low rpm/low speed, and fixed it by retarding the 
initial timing a few degrees.

Mike