Found this great link for all Toro 2-stroke machines

Here is a link that might be useful: Toro manual

That sounds low to me? somewhere around 8 grand would be closer IMO for two cycle????

The manual gives a range of 4300-4700 rpm as maximum.

If you spin any of the engines Toro used on their snowblowers to 8,000 rpm, you'll put the rod through the case.

OP is correct that Tecumseh engines should max out at 4,700 rpm. However, if you have the Suzuki 47P, max is 3,800 rpm. This is same basic engine used on the Proline commercial and homeowner mowers.