3800_LTZ Posted March 18, 2014 Report Share Posted March 18, 2014 Hello, I am finishing up a L67 top swap in my 1999 Chevy Lumina. After everything is back together, I realized I do not have the alternator bracket. The bracket from my original engine does not fit on this application. After look at pictures, I don't even think my alternator has the right mounting points for the bracket to be installed. Is this something I should be concerned about or will it be ok without it? Any input is greatly appreciated.. thanks Quote Link to comment Share on other sites More sharing options...
95 vert Posted March 18, 2014 Report Share Posted March 18, 2014 I assume you're talking about the rear brace? I would put one on just for the fact that it should have it. Though I have run the L67 minus that bracket for short periods without any issues Quote Link to comment Share on other sites More sharing options...
White93z34 Posted March 18, 2014 Report Share Posted March 18, 2014 I ran without a rear bracket for a good while till I located the correct one. Quote Link to comment Share on other sites More sharing options...
l67ss Posted March 18, 2014 Report Share Posted March 18, 2014 I have both style braces laying around Quote Link to comment Share on other sites More sharing options...
3800_LTZ Posted March 18, 2014 Author Report Share Posted March 18, 2014 After doing some searching, it looks like the supercharged w-body's use a different alternator with a mounting post on it for the bracket. It also seems that the bonnevilles use the same alternator as my Lumina, and use a different style bracket on their l67 engines. So to avoid purchasing another alternator at $150 AND a bracket, I just need to find 2 brackets from a bonneville l67 and use the alternator I have. Quote Link to comment Share on other sites More sharing options...
rich17 Posted March 19, 2014 Report Share Posted March 19, 2014 I never installed the rear brace on my 3800 with that style bracket. Been going for two years now Quote Link to comment Share on other sites More sharing options...
l67ss Posted March 19, 2014 Report Share Posted March 19, 2014 Theres 97-98 sryle and 99+ style. H/w bodies have the same bracket respective yrs. Quote Link to comment Share on other sites More sharing options...
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