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SVTPerformance's Chain of Restaurants
The Blower Bistro
Just blew My Engine
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<blockquote data-quote="CDR Stang" data-source="post: 6024675" data-attributes="member: 36511"><p>It could be that the high incidense of destroyed FI engines is a result of the tune not being properly done to allow for the dynamic change in air temps. Colder, denser air will most times increase an engines output because of the greater a/f by volume and decreasing the amount of timing pulled up top. This extra energy/heat and timing can be a double-edge sword if the tune is not pulling enough timing to keep the heat range out of detonation. Exa: My car was tuned with an ambient temp of 93*. At 70*-80* ambient, the car accellerated much stronger. At 60*-70* ambient it started feeling sluggish up top. At around 50*-60* I was getting detonation at partial boost and it was nasty at wot. Tweaking the timing a bit associated with the Air Charge Temps got rid of the detonation and the accelleration was back.</p></blockquote><p></p>
[QUOTE="CDR Stang, post: 6024675, member: 36511"] It could be that the high incidense of destroyed FI engines is a result of the tune not being properly done to allow for the dynamic change in air temps. Colder, denser air will most times increase an engines output because of the greater a/f by volume and decreasing the amount of timing pulled up top. This extra energy/heat and timing can be a double-edge sword if the tune is not pulling enough timing to keep the heat range out of detonation. Exa: My car was tuned with an ambient temp of 93*. At 70*-80* ambient, the car accellerated much stronger. At 60*-70* ambient it started feeling sluggish up top. At around 50*-60* I was getting detonation at partial boost and it was nasty at wot. Tweaking the timing a bit associated with the Air Charge Temps got rid of the detonation and the accelleration was back. [/QUOTE]
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SVTPerformance's Chain of Restaurants
The Blower Bistro
Just blew My Engine
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