Failed Emissions Follow Up (long)

[William Conner]

Jon Davis wrote:

> I always say this... what is your ignition timing set at? Try backing it up
> by 2 degrees. You might also try to check if the BPT is leaky.

Thanks -- I had set the timing on a dyno to maximize WHP with the JWT ECU.
That probably puts the base timing at 15-16 degrees BTDC.  I retarded the
timing 2 degrees for the second emissions test and will continue to retard the
timing at least 2 degrees until I pass the test.

I am also seriously thinking about replacing the BPT valve just to be sure that
it is working properly.

I will post the outcome!

Bill
--
billc@fred.net
1993 Classic contributing to global warming