Roof swap questions

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Old Mar 19, 2011 | 09:24 PM
  #1  
Danked's Avatar
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Default Roof swap questions

Alright here's the deal. I bought a 88 crx si in november, found out a week and a half ago its got different vin numbers, so i bought another crx sitting in some dudes field. It's a '90 DX.

I wanna swap the Si roof onto the DX, but i don't even know where to start. I've tried searching things like "crx roof swaps" "roof swaps" and haven't really found anything.

Does anyone have any suggestions or advice on how to do it without having it sag, or messing it up real bad? Thanks.
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Old Mar 19, 2011 | 09:58 PM
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Default Re: Roof swap questions

IMO, it's best to have a body shop do these kinds of things. Unless you are an experienced welder/fabricator/designer/ENGINEER, DON'T count on your high school or even college math skills to work correctly...
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Old Mar 19, 2011 | 10:02 PM
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radex7's Avatar
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Default Re: Roof swap questions

Here is a link for hatch. CRX will follow similar steps:
http://www.performanceforum.com/wesv...roof/roof.html

For CRX I would recommend you google crx glass-top installation. A lot of roof work was covered there.
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Old Mar 19, 2011 | 10:03 PM
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Default Re: Roof swap questions

Look for wes vanns performance page he did the opposite
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Old Mar 19, 2011 | 10:34 PM
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Default Re: Roof swap questions

I really wonder if this is going to end up being worth it..
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Old Mar 19, 2011 | 11:39 PM
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Default Re: Roof swap questions

Probably not, all that work for added weight, plus the wiring might not work, the sunroof could leak. ect. Just do a mpfi swap and call it good
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Old Mar 19, 2011 | 11:48 PM
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stackedhouse's Avatar
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Default Re: Roof swap questions

Originally Posted by jdmboyef9
Probably not, all that work for added weight, plus the wiring might not work, the sunroof could leak. ect. Just do a mpfi swap and call it good
yeah id rather swap a dx roof onto a si than the other way lol
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Old Mar 20, 2011 | 08:19 PM
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Danked's Avatar
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Default Re: Roof swap questions

Nah, i want the sunroof. My dream car has been a CRX for the past 8 years, and now i have 2. In my eyes, i NEED it.

Plus, the added 50lbs won't mean **** to me once i'm pushing 450hp.
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Old Mar 20, 2011 | 09:16 PM
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Default Re: Roof swap questions

Look at some of the threads about swaping a glass roof in a crx would be about the same but you need to wire the sunroof motor, this would take lot of time to do this right but can be done
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Old Mar 20, 2011 | 11:37 PM
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Default Re: Roof swap questions

roof swap?? your seriously doing this? you didnt use speaker wire on your engine harness too did you...
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Old Mar 21, 2011 | 12:47 AM
  #11  
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Default Re: Roof swap questions

Originally Posted by k20rex
Look at some of the threads about swaping a glass roof in a crx would be about the same but you need to wire the sunroof motor, this would take lot of time to do this right but can be done
I don't think it's the same at all. My sunroof is all metal.. I was thinking, it was going to be as easy as cutting out the spot welds on both roofs, place it, then tack-weld in place + the wiring and switch. I didn't think it'd be THAT difficult to do.

I mean, it's like; cut out spot welds on both roofs, pick up, carry to other car, put in place, tack-weld, run switch, done.

Because isn't the sunroof motor up by the sunroof anyways? It'd just go with it, wouldn't it?
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Old Mar 21, 2011 | 12:48 AM
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Default Re: Roof swap questions

Originally Posted by hatchet_honda
roof swap?? your seriously doing this? you didnt use speaker wire on your engine harness too did you...
Look bro, chill. I'm not looking for rude / sarcastic remarks, just advice.
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Old Mar 21, 2011 | 01:00 AM
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killafred187's Avatar
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Default Re: Roof swap questions

Originally Posted by Danked
Nah, i want the sunroof. My dream car has been a CRX for the past 8 years, and now i have 2. In my eyes, i NEED it.

Plus, the added 50lbs won't mean **** to me once i'm pushing 450hp.
hahah yeeah!
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Old Mar 21, 2011 | 09:56 AM
  #14  
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Default Re: Roof swap questions

Originally Posted by Danked
I don't think it's the same at all.
it would be the same to get the roof out and the same idea to install and would be good for anyone trying to do this to refer to a page where someone has cut there roof out and done an install even if its not a sunroof install......

Originally Posted by Danked
I mean, it's like; cut out spot welds on both roofs, pick up, carry to other car, put in place, tack-weld, run switch, done.
if you already "know" how to do this why did you ask? this is how its done
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Old Mar 21, 2011 | 10:52 AM
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Default Re: Roof swap questions

Originally Posted by Danked
I don't think it's the same at all. My sunroof is all metal.. I was thinking, it was going to be as easy as cutting out the spot welds on both roofs, place it, then tack-weld in place + the wiring and switch. I didn't think it'd be THAT difficult to do.

I mean, it's like; cut out spot welds on both roofs, pick up, carry to other car, put in place, tack-weld, run switch, done.

Because isn't the sunroof motor up by the sunroof anyways? It'd just go with it, wouldn't it?
That's exactly what I did. But I went with no sun roof. You have to remove the windshield and hatch.









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Old Mar 21, 2011 | 11:00 AM
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Default Re: Roof swap questions

Originally Posted by turtleman321
That's exactly what I did. But I went with no sun roof. You have to remove the windshield and hatch.
Cool.

I was wondering about those support beams in the Si, used to hold the sunroof in place or something along those lines. I have an 89 DX and an 89 Si, swap Si roof onto the DX is the plan. In theory it is easy... as far as wiring goes, would it be easier to strip your interior and swap the whole cabin harness with the Si one?

Just throwing some thoughts out there...
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Old Mar 23, 2011 | 07:28 AM
  #17  
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Default Re: Roof swap questions

Iv done this a few times now, except i always put dx roofs on hf and si models. To each their own though kid. Super simple...exactly like turtleman321 posted. Drill out all the spot welds around the perimiter. Then take a putty knife and cut all the chalk away from the front and rear support of your roof where it meets your skin. Replace with your si roof, all the necessary mounting, etc. will be retained but be very careful those roofs bend real easy once they're cut free.
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Old Mar 23, 2011 | 10:30 AM
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Default Re: Roof swap questions

easiest way to do wiring swap is to gut both cars and use the stock si body harness. keep it simple
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Old Apr 11, 2022 | 12:50 PM
  #19  
Ahmad Ossaily's Avatar
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Default Re: Roof swap questions

I also want to put a sunroof in my 1988 civic dx,it have the pop out panel roof and i hate it , i have the sunroof assembly and the headliner and all the wiring and switches. But is it possible to cut only for the sunroof panel and not re skinning the whole roof?, does the dx roof have the mounting brackets for the sunroof or i shoud cut them form the junk car also.?? A



reply is much needed guys thx in advance
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