tonycharger72 Posted November 9, 2008 Share Posted November 9, 2008 This is the bottom of an M3, sure making up stuff like this for the Zed wouldn't be all that tricky - just go on the same princibal as below and what Bjhines said - just try and get the bottom of the Zed as smooth as possible!!! Is it just me - or is there some sort of rear diffuser there??? Quote Link to comment Share on other sites More sharing options...
260DET Posted November 9, 2008 Share Posted November 9, 2008 My $.02 input for this thread comes from other forums I'm on. Much like how Scott has cut a small section and put a grill over it to allow the air to flow through the rollpan many high-hp civic's and other imports do the exact same thing as seen below, albeit much more extreme in some cases. I've seen some people report decent improvements in ET's with them due to not having the 'parachute' effect... apples and oranges to our cars I'm sure. Babysteps - I'd say try this first, and when it doubt, cut 'er all out and see what happens. Those large holes are better than nothing but would create a lot of turbulence in the air passing through them. But if such holes do result in an improvement then it seems to follow that cutting the panel away completely would result in an even better improvement. The alternative is to redo the panel to reduce the amount of air that could be trapped there in the first place. Like bjhines has suggested and ZR8ED has done. When mine was cut away as in the pic on p.1 the long term plan was to fit a diffuser there. Quote Link to comment Share on other sites More sharing options...
tonycharger72 Posted November 9, 2008 Share Posted November 9, 2008 "When mine was cut away as in the pic on p.1 the long term plan was to fit a diffuser there." Did you find that helped Richard? Nice looking 280zx by the way mate! Where did you get the 2-seater in Australia? Quote Link to comment Share on other sites More sharing options...
260DET Posted November 10, 2008 Share Posted November 10, 2008 Don't know if it helped, thats hard to measure. I imported the shorty 280ZX from Japan myself, just had to have one, see link below. Quote Link to comment Share on other sites More sharing options...
Nismo280zEd Posted November 11, 2008 Share Posted November 11, 2008 This is the bottom of an M3, sure making up stuff like this for the Zed wouldn't be all that tricky - just go on the same princibal as below and what Bjhines said - just try and get the bottom of the Zed as smooth as possible!!! Is it just me - or is there some sort of rear diffuser there??? arn't the tires on wrong in that pic? Quote Link to comment Share on other sites More sharing options...
tonycharger72 Posted November 11, 2008 Share Posted November 11, 2008 Don't know if that pic was of a real car, may have been the underside of a matchbox car !!! This is a bit off-topic, But, 260DET was looking through another thread and you mentioned you stuffed the front end form an S14 into your 280zx? was that a straight bolt in? you use the steering rack as well from the S14? Quote Link to comment Share on other sites More sharing options...
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