logan1 Posted July 3, 2012 Share Posted July 3, 2012 (edited) Ok so i have decided to try and make a custom chin splitter for my 240z. I found a rather flat spoiler on craigslist and am going to use it as the here we go: test fitting the spoiler without any modification. Edited July 3, 2012 by logan1 Quote Link to comment Share on other sites More sharing options...
logan1 Posted July 3, 2012 Author Share Posted July 3, 2012 Decided to extend the splitter and extra 4" on each side. Next step is the foam the gaps between the section before fiberglass application. Quote Link to comment Share on other sites More sharing options...
logan1 Posted July 3, 2012 Author Share Posted July 3, 2012 used some old pizza boxes to form a base for the foam... Quote Link to comment Share on other sites More sharing options...
DavyZ Posted July 3, 2012 Share Posted July 3, 2012 Great progress so far! I like the idea of using the (cheap) spray foam as opposed to foam core. The splitter looks good and you will hold it in place how? I'm curious about the bracing you will use. Davy Quote Link to comment Share on other sites More sharing options...
Six_Shooter Posted July 3, 2012 Share Posted July 3, 2012 You could have skipped any foam use and applied the fibreglass against the cardboard. Quote Link to comment Share on other sites More sharing options...
PR280z Posted July 4, 2012 Share Posted July 4, 2012 You could have use a stronger foam such as the the Blue foam insulation panels used for siding at your local hardware, and fiberglass over it. Quote Link to comment Share on other sites More sharing options...
logan1 Posted July 4, 2012 Author Share Posted July 4, 2012 (edited) Great progress so far! I like the idea of using the (cheap) spray foam as opposed to foam core. The splitter looks good and you will hold it in place how? I'm curious about the bracing you will use. Davy Have not deccided exactly how i am going to hold the slitter in place yet. I know I'll need a bit more support than the urethane air-dam will provide. Maybe i can use a set of L-brackets mounted off the stock horn location. You could have skipped any foam use and applied the fibreglass against the cardboard. I thought about that but then decided to foam it and try for a more level/integrated look then the raised look i would have gotten by glassing over the cardboard. You could have use a stronger foam such as the the Blue foam insulation panels used for siding at your local hardware, and fiberglass over it. I'm not using the foam as a structural member; it is there to provide a shape for the fiberglass. It should work well for its intended purpose. Edited July 4, 2012 by logan1 Quote Link to comment Share on other sites More sharing options...
m1ghtymaxXx Posted July 4, 2012 Share Posted July 4, 2012 I thought about that but then decided to foam it and try for a more level/integrated look then the raised look i would have gotten by glassing over the cardboard. I think he means to the back side/inside of the cardboard Quote Link to comment Share on other sites More sharing options...
Six_Shooter Posted July 5, 2012 Share Posted July 5, 2012 I think he means to the back side/inside of the cardboard ^^Yes, this. I've done it more than a few times, for one off parts, that needed modifications like this. I've used carboard, plastics, metals, and a few other materials for temporary forms. Quote Link to comment Share on other sites More sharing options...
logan1 Posted July 5, 2012 Author Share Posted July 5, 2012 Progress on the chin splitter has been impeded by the V8 swap that I’m doing concurrently. I was able to get a few minutes yesterday to cut the foam to shape and do an initial glass. I'll try and get it sanded down abd ready for body filler tonight or this weekend. Quote Link to comment Share on other sites More sharing options...
logan1 Posted July 6, 2012 Author Share Posted July 6, 2012 Ok got the glass sanded down and put the first layer of body filler. I think i put a lil too much body filler on but guess i'll just use the DA to sand it down nice and smooth. Quote Link to comment Share on other sites More sharing options...
ZUL8TR Posted July 6, 2012 Share Posted July 6, 2012 I'm enjoying following this thread. Curious how/if you radius the leading edge at each end. Quote Link to comment Share on other sites More sharing options...
logan1 Posted September 16, 2012 Author Share Posted September 16, 2012 Bunch of stuff can up at work n in life. So after an extended break i got back to working on the splitter. I got all the filler sanded down and marked the spots that needed more filler. I did not bother with the quality of finish with the inner edges as those parts will never be visible. I shot the splitter with some rattle can paint. Its not perfect but i think its good enough for my first attempt. Quote Link to comment Share on other sites More sharing options...
IneedAmotor Posted October 6, 2012 Share Posted October 6, 2012 Bunch of stuff can up at work n in life. So after an extended break i got back to working on the splitter. I got all the filler sanded down and marked the spots that needed more filler. I did not bother with the quality of finish with the inner edges as those parts will never be visible. I shot the splitter with some rattle can paint. Its not perfect but i think its good enough for my first attempt. Looks like carp! sooooo you should send it to me and start over Great job it looks really nice Quote Link to comment Share on other sites More sharing options...
LowCarbZ Posted October 6, 2012 Share Posted October 6, 2012 I think this looks great, any idea what car the spoiler is off of/intended for? Quote Link to comment Share on other sites More sharing options...
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