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Recent Posts

The Mystery of the "Black Goo" -- Solved?


Since the first day a gear-head decided to try running e85 in his carbureted eng...


Detonation, Pre-ignition, and the Danger of a Hot Spark Plug in an Ethanol Fuel Racing Application

                                                                                                                                                By: Eric Niefert, Owner...

December 11, 2015

This article is a chart that shows stoichiometric ratios of ethanol, gasoline, and various E85 blends.  It also gives target tune numbers for different engine operating conditions.  Your specific engine/chassis combo may want something slightly different -- this is a g...

November 11, 2015

This article explains the effects of ethanol / E85 on common race parts and our recommendations on how to deal with the unique characteristics of ethanol blend race fuels.  Includes answers to FAQs about fuel cells, storage, and other related questions.

E85 materials co...

October 11, 2015

This article explains the in's-and-out's of e85 kits and conversions.  It includes typical questions to ask your builder before committing to a conversion and explains the pros and cons of current e85 conversion kits on the market.

The Truth about e85 Kits & Conversions


September 11, 2015

E85 Tuning Tips Because pump E85 can vary seasonally in some geographic areas, it may be necessary to adjust jetting or air bleeds to maintain the best possible tune up if you do not run your own blend. In some areas the ethanol content increases in the summer time and...

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Eric Niefert


8695 Hanna Lake Ave SE
Caledonia, Michigan 49316


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