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**Shane@DBPerformance** · 11-24-2004

If it still has the automatic ECU, then it is tuned for 390cc injectors. 450s aren't a huge jump so the O2 sensor can probably still handle it, but the jump to 550s might be too much.

11-24-2004	#10
Shane@DBPerformance formerly ecoli Join Date: Oct 2003 Location: On the dyno Posts: 4,892	If it still has the automatic ECU, then it is tuned for 390cc injectors. 450s aren't a huge jump so the O2 sensor can probably still handle it, but the jump to 550s might be too much. __________________ www.dbptuning.com