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XR4 Spark Advance Hi Randy, I have a
Virage with an XR4. The XR4 has solid mounts, a G force tuner, and
Boyeson reeds. You advised
me once before to remove the spark timing module behind the flywheel and
to set the timing to 25 degrees. If I do
that, can I still run lake gas? We like to take day trips and the
Virage tank is not big enough for an all day cruise. Thanks David
David, Yes,
here in the states we can run 92 octane at 25 degrees of timing. Not
knowing what octane gas you have in Canada, I will suggest 22 or 23
degrees to start. Try to get the highest octane gas at the pump, and
you should be more than safe. If only 87 is what you run, keep it at
20 - 21 degrees.
Please submit whatever questions you have to IHRTechTalk@yahoo.com. All questions and answers selected will be displayed on this page as they come in. Note: though all boaters are welcome, priority may be given to I.H.R. members. Randy can not be held responsible for any advice given. Though his information and expertise is second to none, he has no control over what you do with your boat. It is up to you to boat safely and act responsibly, and his advice is only to be used as a guidance for your high performance boat/motor of which you are the one responsible for the risks involved. Thanks,
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