jeff81 Posted April 24, 2011 Share #1 Posted April 24, 2011 I am uncertain why there is this oval cut out of the rear? Could someone please explain its purpose, or it will get filled in soon. Jeff Link to comment Share on other sites More sharing options...
kjohnson2444 Posted April 24, 2011 Share #2 Posted April 24, 2011 My 1970 (undergoing surgery in the attached photo) does not have that cutout. Link to comment Share on other sites More sharing options...
twofouroh Posted April 24, 2011 Share #3 Posted April 24, 2011 Probably there to vent exhaust fumes from underneath Link to comment Share on other sites More sharing options...
olzed Posted April 24, 2011 Share #4 Posted April 24, 2011 Never seen that before---- Link to comment Share on other sites More sharing options...
d240zx2 Posted April 24, 2011 Share #5 Posted April 24, 2011 My '70 is absent that cut-out as well. Link to comment Share on other sites More sharing options...
Bonzi Lon Posted April 24, 2011 Share #6 Posted April 24, 2011 Appears to be a 260 or 280 with that reverse light opening?Bonzi Lon Link to comment Share on other sites More sharing options...
Patcon Posted April 24, 2011 Share #7 Posted April 24, 2011 The 280z I parted out had holes like that across the rear directly behind the larger style bumper. I believe they were an attempt to prevent the pressure zone behind the car that cause exhaust fumes to enter the cabin...Charles Link to comment Share on other sites More sharing options...
IdahoKidd Posted April 24, 2011 Share #8 Posted April 24, 2011 Your 280z is exactly like my 77 280z. My 240z does not have that hole and has a more pronounces opening for the muffler. If you are planning to shave the rear end or smooth it out, you shouldn't encounter any problems at all. And it will look nice! Link to comment Share on other sites More sharing options...
cozye Posted April 24, 2011 Share #9 Posted April 24, 2011 It's a 280z thing. Fill it. Link to comment Share on other sites More sharing options...
jeff81 Posted April 24, 2011 Author Share #10 Posted April 24, 2011 Thanks for the quick explanations. I think it is funny that there are more than a few changes to the different body styles without a pronounced definitive explanation on the purpose of the change. I really think you guys are probably correct with the idea of the exhaust fumes. The later model also has the big bumpers that hide the cutout completely. I will be doing a 240z bumper, hence the question. It is such a luxury to have a vast knowledge base for about any question. Thanks againJeff Link to comment Share on other sites More sharing options...
d240zx2 Posted April 24, 2011 Share #11 Posted April 24, 2011 After pondering the cut-out some, I've concluded that it has something to do with the shock absorber assembly used on the 280, but not on prior year cars. Could be wrong, tho... Link to comment Share on other sites More sharing options...
Patcon
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