Gary R.

Nice run Doug! When are you shifting, can't read that tach? Is that a smaller than norm steering wheel or just an optical illusion in the vid?

And it looks like Sean may be staying with us, he felt bad leaving me alone with Fred..

flatsics

Gary,
I have my shift light set at 6400 Rpm. I normally shift between 6700-7000rpm. In a race is is usually right at 7000rpm.
I just completed my 6th full season on this engine.

Here is a close-up of the steering wheel.

FredC

Titanium and unobtainium are durable. ;-)

Gary R.

Obviously Illinois Stock...

flatsics

I'm coming out with a new book.
It is titled "No missed shifts...A guide to racing engine reliability."

flatsics

You would know ;-)

Gary R.

Hate to ask a semi-serious question Doug but what oil are you running and what intervals do you use for changes?

FredC

I know someone who will buy a copy....

FredC

"as you know, i don't know anything."

Gary R.

He may buy two!

flatsics

I use Amsoil Motorcycle 20W-50.
http://www.smartsynthetics.com/produ...engine-oil.htm

I change it every 3 events on average.

Here is a great resource for info about oil for our engines.
http://www.lnengineering.com/oil.html

Gary R.

Thanks - I have read Mr. Navarro's take on oil in the past, always interesting.I switched to Redline's 50W Racing for a bit but that has to be changed much more frequently due to the lack of detergents, tried Brad Penn Racing and noticed an increase in oil temps, and have gone full circle back to M1 20W 50. Mobil has gone back to their original formulation in both their new lite weight Racing and 20W50 synthetics which have the required amount of ZDDP for our engines. I can get Amsoil right from NAPA, have to check out the pricing next time I go there. Thanks..

paradisenb

Mike's Nemesis, nice droving. Had fun watching the vid. Makes me anxious for my next event.

Why motorcyle oil? Is there any difference between car and motorcycle oil and what make this one superior?

Thanks.

Gary R.

No shortcuts Randy, put your reading glasses on!
http://www.lnengineering.com/oil.html

flatsics

I use the oil designed for air cooled motorcycle engines.
I have lower oil temps and higher hot pressures with this oil.
I also use the Camshaft oil line restrictors.
http://forums.pelicanparts.com/911-e...s-revisit.html
Lots of good info in this thread from Henry Schmidt owner of Supertec.
http://www.supertecperformance.com/
This is from the FAQ on Charles Nevarro's site.
http://www.lnengineering.com/oil.html

Why use a motorcycle oil?

Motorcycle oils have higher levels of phosphorus/zinc for enhanced wear protection and the same high-temperature detergent technology for superior wear protection and engine cleanliness, even at elevated oil temperatures. Specifically motorcycle oils for aircooled engines are designed for very high localized oil temperatures and high overall oil temperatures, and typically have high flash points coupled with higher HTHS viscosities and lower noack% losses. As a whole, it would appear that all most motorcycle oils we tested have excellent anti-wear additive levels and most are not SM oils, but rather earlier SG, SH, or SJ rated. In a pinch, it should be fairly easy to find a motorcycle oil with any of these SG, SH, or SJ ratings at your local auto parts store when it may be more difficult to get Brad Penn or Swepco, without having it shipped to you. Please do remember that motorcycle oils typically have levels of Zn and P that will kill catalytic converters, so if you have one, either remove it first or use another oil, like Brad Penn or Swepco. Also, motorcycle oils are not as detergent as the aforementioned Brad Penn or Swepco, so you must change the oil much more often, even though the perception of being able to go longer because the oil costs more is a false one.

Keep Em Coming