looking back over the thread there is a good few paragraphs on page 5.
Quote:
|
To deter detonation or other engine damange, it is always necessary to reduce the compression ratio when nitro is used.
|
Quote:
|
Igniting high percentage nitro is always a problem. Top Fuel dragsters run the equivalent of a mini welder delivering 1.2 amps to each spark plug. As higher percentages of nitro are burned, the combustion rate is reduced Therefore, the spark advance must be increased.
|
Drew