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Originally Posted by 4wheelinbroncos
It had a gasket and what i did was cut out my own gasket with gasket material also i checked and cleaned the EGR and just fired her up and it idles now and doent run rich so iam ready to test it... and if it dont pass then i will pull out the 302 v-8 and swap that in and make either the ultamate sleeper or a dune runner with a coustom long travel suspention
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Liek I said, pretty easy to get the VG30 to pass emissions. If it doesn't fail by much, try a tuneup.
As far as the dune runner thing goes, I think you'll be a little disappointed. The frame in a Z31, or any sports car for that matter, was not made to withstand
vertical stress like the kind a lifted truck undergoes. You can lift it, and take it on one drive and probably twist the frame to crap. Z31s and most other sports cars were made to withstand
horizontal stress, like the kind induced by cornering and manuevers. For instance a corvette, if picked up by one end by about a foot, you will not be able to open one of the doors. That's how much the frame bends when under vertical stress. The fact that you have T-tops (hard top is very rare, if you have one and turn it into a sandrunner, I'm not responsible for what the guys here will do to you) should turn you away from the sand truck thing as well, the body twists
around the center support beam of the T-bar roof. If you drive over an uneven surface, you may even be able to hear the rubber seals on the roof panels squeal as the frame shifts around. So unless you plan on welding on extra framing
ala Mad Max style, I wouldn't even think about making this car a sandrunner.