How to remove the roof - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

Basti · 05-10-2013, 02:23 AM

That one's been bugging me for a while now, I can't find anything in neither Forum nor Google search.

The big idea is exchanging the OEM roof for a CF one.
I've never attempted this in my previous car so I'm curious.
Supposing the roof is spot-welded to the frame, I'm imagining drilling through the welds.
(the new one would have to be fastened w/ screws through those holes, right?)

I can't think of any other way. Or am I wrong? If anyone has stripped his Toyobaru off the rubber guards or even attempted that roof removal, I'd be glad for advice and/or pics.

suaveflooder · 05-10-2013, 02:30 AM

The CG is already low. Why change the roof?

AR35 · 05-10-2013, 03:07 AM

CONVERTIBLE!

Basti · 05-10-2013, 03:16 AM

or simply, as w/ essentially ALL custom mods: Cuz I can.

If I'm gonna clean away that antenna, likely welding and painting the whole roof over, I figured I might as well just buy another roof w/o that hole in it. It might be just that: a cleaner solution.

jwjknorr · 05-10-2013, 08:49 AM

Im pretty sure the cf roof is a overlay for appearance not removal of roof. Id assume the roof is welded on for structural regiity . Probably would not be safe to remove and put cf.

Apoc · 05-10-2013, 09:12 AM

Quote:

Originally Posted by Basti

or simply, as w/ essentially ALL custom mods: Cuz I can.

If I'm gonna clean away that antenna, likely welding and painting the whole roof over, I figured I might as well just buy another roof w/o that hole in it. It might be just that: a cleaner solution.

I need me some carbon fiber wheels and tires. Once carbon fiber engines are available I will swap out that heavy FA20 and make my FR-S super light..

mad_sb · 05-10-2013, 09:31 AM

Quote:

Originally Posted by Basti

That one's been bugging me for a while now, I can't find anything in neither Forum nor Google search.

The big idea is exchanging the OEM roof for a CF one.
I've never attempted this in my previous car so I'm curious.
Supposing the roof is spot-welded to the frame, I'm imagining drilling through the welds.
(the new one would have to be fastened w/ screws through those holes, right?)

I can't think of any other way. Or am I wrong? If anyone has stripped his Toyobaru off the rubber guards or even attempted that roof removal, I'd be glad for advice and/or pics.

AMS did a write up this a few years ago for an evo. You have to cut out the old roof and bond in the CF one using special bonding adhesives.

Frostyman · 05-10-2013, 10:45 AM

Siebon makes both an overlay, and replacement, so clearly it can be done.

2pt5RS · 05-10-2013, 10:50 AM

Step 1: take it to a body shop
Step 2: pay them
Step 3: ???
Step 4: profit!

CaptainSlow · 05-10-2013, 11:04 AM

Yeah, it is not an easy process. I know you have to drill out the spot welds to remove the stock one. I don't think the new one gets bolted in place...it might just be epoxied in or something. I could ask my friend (did this in his Evo...or had it done, rather). But yeah, the easiest answer is call around and find a race shop local to you that has done this in the past and let them do it

CaptainSlow · 05-10-2013, 11:14 AM

Just asked my friend...he said:

Quote:

Riveted and epoxied. We drilled out the stock welds on the OEM roof and put rivets in the same spots

Basti · 05-10-2013, 11:22 AM

Might be hard to find one but yeah...
I figured/feared as much, never woulda attempted anything like it myself.
But srsly, ppl seem to be forgetting the obvious advantages:
For closing the antenna hole an exchange for a cf roof might just be easier (no welding and resulting bends in the metal), less messy (paintjob in a simple room, not right ON the car) and easier to reinstall (again, no rewelding w/ resulting flaws)
For the long run, NO need to worry about corrosion/rust on the roof, either! It's CF!

I'm not too keen on glues or bondos but I fear that there's no avoiding SOME messy actions.

And YES, I'd paint the CF over, anyway. Don't like that look and care little about the insgnificant weight loss. Care very much about noncorrosive materials, though.

plucas · 05-10-2013, 11:57 AM

Quote:

Originally Posted by Basti

Might be hard to find one but yeah...
I figured/feared as much, never woulda attempted anything like it myself.
But srsly, ppl seem to be forgetting the obvious advantages:
For closing the antenna hole an exchange for a cf roof might just be easier (no welding and resulting bends in the metal), less messy (paintjob in a simple room, not right ON the car) and easier to reinstall (again, no rewelding w/ resulting flaws)
For the long run, NO need to worry about corrosion/rust on the roof, either! It's CF!

I'm not too keen on glues or bondos but I fear that there's no avoiding SOME messy actions.

And YES, I'd paint the CF over, anyway. Don't like that look and care little about the insgnificant weight loss. Care very much about noncorrosive materials, though.

Epoxies used to bond composites are very strong. It certainly isn't any glue that you could pick up at the local store.

Do you have corrosion problems on the roof of your car?

Basti · 05-10-2013, 01:12 PM

I know, I've Worked with epoxies occasionally.
Doesn't mean i have to like the idea

From my honda experience, it's sth. I like to watch out for preemptively

05-10-2013, 02:23 AM	#1
Basti Senior Member Join Date: Jan 2013 Drives: BRZ Location: Germany Posts: 120 Thanks: 9 Thanked 13 Times in 12 Posts Mentioned: 1 Post(s) Tagged: 0 Thread(s)	How to remove the roof That one's been bugging me for a while now, I can't find anything in neither Forum nor Google search. The big idea is exchanging the OEM roof for a CF one. I've never attempted this in my previous car so I'm curious. Supposing the roof is spot-welded to the frame, I'm imagining drilling through the welds. (the new one would have to be fastened w/ screws through those holes, right?) I can't think of any other way. Or am I wrong? If anyone has stripped his Toyobaru off the rubber guards or even attempted that roof removal, I'd be glad for advice and/or pics.

05-10-2013, 11:04 AM	#10
CaptainSlow Senior Member Join Date: Oct 2012 Drives: 2013 Scion FR-S Location: Mid-Michigan Posts: 799 Thanks: 392 Thanked 388 Times in 180 Posts Mentioned: 2 Post(s) Tagged: 0 Thread(s)	Yeah, it is not an easy process. I know you have to drill out the spot welds to remove the stock one. I don't think the new one gets bolted in place...it might just be epoxied in or something. I could ask my friend (did this in his Evo...or had it done, rather). But yeah, the easiest answer is call around and find a race shop local to you that has done this in the past and let them do it __________________ Ultramarine 2013 Scion FR-S 6MT

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05-10-2013, 02:30 AM	#2
suaveflooder Senior Member Join Date: Feb 2013 Drives: 2013 FR-S Location: San Diego Posts: 2,295 Thanks: 2,708 Thanked 1,052 Times in 664 Posts Mentioned: 29 Post(s) Tagged: 0 Thread(s)	The CG is already low. Why change the roof?

05-10-2013, 03:07 AM	#3
AR35 Senior Member Join Date: Mar 2013 Drives: none Location: Savannah,GA Posts: 113 Thanks: 19 Thanked 21 Times in 16 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	CONVERTIBLE!

05-10-2013, 03:16 AM	#4
Basti Senior Member Join Date: Jan 2013 Drives: BRZ Location: Germany Posts: 120 Thanks: 9 Thanked 13 Times in 12 Posts Mentioned: 1 Post(s) Tagged: 0 Thread(s)	or simply, as w/ essentially ALL custom mods: Cuz I can. If I'm gonna clean away that antenna, likely welding and painting the whole roof over, I figured I might as well just buy another roof w/o that hole in it. It might be just that: a cleaner solution.

05-10-2013, 08:49 AM	#5
jwjknorr Senior Member Join Date: Oct 2012 Drives: FRS 2013 Location: South Jersey Posts: 139 Thanks: 13 Thanked 17 Times in 16 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	Im pretty sure the cf roof is a overlay for appearance not removal of roof. Id assume the roof is welded on for structural regiity . Probably would not be safe to remove and put cf.

05-10-2013, 10:45 AM	#8
Frostyman Senior Member Join Date: Oct 2012 Drives: 2013 Raven FRS Location: Virginia Beach, Va Posts: 496 Thanks: 30 Thanked 143 Times in 93 Posts Mentioned: 18 Post(s) Tagged: 3 Thread(s)	Siebon makes both an overlay, and replacement, so clearly it can be done.

05-10-2013, 10:50 AM	#9
2pt5RS Berz Join Date: May 2012 Drives: 2013 BRZ Location: -=ATL=- Posts: 707 Thanks: 281 Thanked 294 Times in 158 Posts Mentioned: 12 Post(s) Tagged: 0 Thread(s)	Step 1: take it to a body shop Step 2: pay them Step 3: ??? Step 4: profit!

05-10-2013, 11:22 AM	#12
Basti Senior Member Join Date: Jan 2013 Drives: BRZ Location: Germany Posts: 120 Thanks: 9 Thanked 13 Times in 12 Posts Mentioned: 1 Post(s) Tagged: 0 Thread(s)	Might be hard to find one but yeah... I figured/feared as much, never woulda attempted anything like it myself. But srsly, ppl seem to be forgetting the obvious advantages: For closing the antenna hole an exchange for a cf roof might just be easier (no welding and resulting bends in the metal), less messy (paintjob in a simple room, not right ON the car) and easier to reinstall (again, no rewelding w/ resulting flaws) For the long run, NO need to worry about corrosion/rust on the roof, either! It's CF! I'm not too keen on glues or bondos but I fear that there's no avoiding SOME messy actions. And YES, I'd paint the CF over, anyway. Don't like that look and care little about the insgnificant weight loss. Care very much about noncorrosive materials, though.

05-10-2013, 01:12 PM	#14
Basti Senior Member Join Date: Jan 2013 Drives: BRZ Location: Germany Posts: 120 Thanks: 9 Thanked 13 Times in 12 Posts Mentioned: 1 Post(s) Tagged: 0 Thread(s)	I know, I've Worked with epoxies occasionally. Doesn't mean i have to like the idea From my honda experience, it's sth. I like to watch out for preemptively

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