e3opswam Posted August 11, 2010 Report Share Posted August 11, 2010 Will a 2000-2009 L37 able to replace a 1999 L37 in a 1999 Concours Link to comment Share on other sites More sharing options...
KHE Posted August 11, 2010 Report Share Posted August 11, 2010 No. The crank sensors and reluctor wheel on the crankshaft are totally different. The 1999 PCM will not recognize the crank sensors on the newer engine. Kevin '93 Fleetwood Brougham '05 Deville '04 Deville 2013 Silverado Z71 Link to comment Share on other sites More sharing options...
Ranger Posted August 12, 2010 Report Share Posted August 12, 2010 You need to stay with a pre 2000 engine. Link to comment Share on other sites More sharing options...
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