[mwebb]

" Why is this not in the unicorn corral? It's unproven and totally speculation. "


there is a documented improvement in fuel economy at a common load and rpm with that particular 10g engine , shown is a before and an after
same engine
before
and
after installing singh grooves
no other variable

upwards of 20% improvement at the same load - that is significant

it is not rational or accurate
to say that this improvement is un documented and pure speculation with this 10g engine -

read the test description - then read the test results
if your opinion at that time does not agree with posted facts
that is fine
run the test your self , post your test results , prove these posted test results to be
in accurate ... other wise these test results stand .