To answer the original posters question.....I have a BDR. I have owned and driven it for 6 years. I have a 408 from Southern Automotive with 460 horsepower (absolutely perfect engine combo for this car BTW). The open diff never been an issue. The independent rear of the BDR is not the same as the old straight axle cars. Get on the gas and she squats down in back and just goes. She goes fast. I have less wheel spin then my FFR with the traction lok 8.8 and a 302 under the hood. Less wheel spin then my 03 Cobra with independent 8.8 traction lok rear. Less wheel spin then my 08 Corvette with an LSD and 436 Horsepower AND FREAKIN' TRACTION CONTROL.... It probably has something to do with the 315 Nitto drag radials on the back.
You ask if I would do it again? No question I would pick the same diff and tire combo again. The standard diff is a NON-ISSUE.
Of course you'll find some very
valuable information here from someone who doesn't have a BDR. You decide....
BTW if you want to add a particular poster to your "ignore" list, click on that particular posters name and select "View Public Profile". You'll see an arrow next to "User Lists". Click on that and a drop down will appear for you to select "Add User To Ignore List". Like magic you'll no longer be forced to see that particular users useless information they feel they must post on every thread.
Happy surfing and good luck on your Cobra search.