Comments on: What is Pre-Ignition or engine knock in Internal Combustion engines? http://www.gotengines.com/blog/rebuilt-engines/engine-rebuilt-engines-preignition Affordable Engines and Motors for Sale Thu, 17 May 2012 08:48:37 +0000 hourly 1 http://wordpress.org/?v= By: Steve http://www.gotengines.com/blog/rebuilt-engines/engine-rebuilt-engines-preignition#comment-3768 Steve Wed, 30 Sep 2009 23:42:44 +0000 http://www.gotengines.com/blog/?p=3132#comment-3768 We come across incorrectly tuned aftermarket electronic fuel injection systems, where too much ignition timing has been set during dyno tuning or engine mapping. It is vital that the correct fuel is used when tuning an aftermarket system, and that the same quality of fuel is used in the vehicle from that point on. If not, knocking will occur. We come across incorrectly tuned aftermarket electronic fuel injection systems, where too much ignition timing has been set during dyno tuning or engine mapping.

It is vital that the correct fuel is used when tuning an aftermarket system, and that the same quality of fuel is used in the vehicle from that point on. If not, knocking will occur.

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