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-   -   Best Track Car Hard Top (https://www.miataturbo.net/race-prep-75/best-track-car-hard-top-83119/)

Stock 02-23-2015 02:46 PM


Originally Posted by Keith@FM (Post 1208851)
We've got one of the TCM tops sitting in our shop if anyone's looking to pick one up in CO. No shipping. Brand new.

DG Motorsports might have something, although he tends to go for a higher level of fit and finish (and thus cost) than superlight track guys look for.

Wanna ship that down here to NM? :party:

AndyHollis 02-24-2015 12:41 PM

+1 for TCM.

10 lbs bare top, 20lbs with lexan and all seals. Watertight in the rain, when installed correctly.

Also got one of their 6 lb trunklids (not installed in pic).

https://www.miataturbo.net/attachmen...ine=1423411641

hornetball 07-27-2015 12:39 AM

My experience with Treasure Coast Miata hardtop. Fully assembled (windows, seals, etc.) in black gelcoat, the hardtop weighed 20.2 pounds!!

https://www.miataturbo.net/attachmen...1&d=1437969513

The Snugtop brand top I removed weighed 54.6 pounds. That a savings of 34.4 pounds -- up high!! :party::party::party:

https://www.miataturbo.net/attachmen...1&d=1437969513

The front brackets were regular Spec Miata pieces:

https://www.miataturbo.net/attachmen...1&d=1437969513

I fabbed brackets for the side and back from 1" x 1/8" aluminum strap:

https://www.miataturbo.net/attachmen...1&d=1437969513

https://www.miataturbo.net/attachmen...1&d=1437969513

https://www.miataturbo.net/attachmen...1&d=1437969513

Mounted up:

https://www.miataturbo.net/attachmen...1&d=1437969513

https://www.miataturbo.net/attachmen...1&d=1437969513

What to do with all that black gelcoat? Skull and pistons, of course (#world's_coolest_grandpa):

https://www.miataturbo.net/attachmen...1&d=1437969513

asmasm 07-27-2015 08:17 AM

Those brackets are nice. TCM should offer something like that in the install kit.

My understanding is that the TCM top has gone through a few different iterations. Mine isn't totally water tight. I have redone the placement of the seals twice and its good enough to not bother me while driving but not good enough for the car to be stored on the street. For a track car that probably doesn't matter.

ericwh 07-28-2015 12:32 PM

Anybody else just get email about mazda motorsports lightweight top? Looks like it's $850 + $125-$180 for shipping... 16 lbs...

Comes with window and hardware though...

hornetball 07-28-2015 01:20 PM


Originally Posted by ericwh (Post 1252460)
Anybody else just get email about mazda motorsports lightweight top? Looks like it's $850 + $125-$180 for shipping... 16 lbs...

Comes with window and hardware though...

Yep, just got it. Lacks seals, so plan on doing something about that for trailering.

ericwh 07-30-2015 09:35 AM


Originally Posted by hornetball (Post 1252472)
Yep, just got it. Lacks seals, so plan on doing something about that for trailering.

Meh. Drain holes I guess? I should do a lightweight hardtop ASAP... it's practically a wash once you sell an OEM one...

Lincoln Logs 07-30-2015 01:03 PM


Originally Posted by hornetball (Post 1252472)
Yep, just got it. Lacks seals, so plan on doing something about that for trailering.

DG Motorsports, who makes the top, is also working on a "street" top which will include seals.

SchmoozerJoe 07-30-2015 01:25 PM

Mazda Motorsports is now offering some sort of non SM legal hard top now... for $850.
Not sure who makes it for them, but here's the info.

Mazda Motorsports Fiberglass Hardtops

asmasm 07-30-2015 01:57 PM

I hope they increase the size of the window. You might not be able to just trim the fiberglass back if it is a sandwhich core part.

ericwh 07-30-2015 01:58 PM


Originally Posted by SchmoozerJoe (Post 1253242)
Mazda Motorsports is now offering some sort of non SM legal hard top now... for $850.
Not sure who makes it for them, but here's the info.

Mazda Motorsports Fiberglass Hardtops

:rofl:

ericwh 07-30-2015 02:01 PM


Originally Posted by Lincoln Logs (Post 1253231)
DG Motorsports, who makes the top, is also working on a "street" top which will include seals.

lol cheaper from DG. Nice.

SchmoozerJoe 07-30-2015 02:04 PM


Originally Posted by ericwh (Post 1253265)
:rofl:

Sigh. This is what I get for not reading the last updates in the thread.

:hatecat:

darkcambria 07-30-2015 02:10 PM

Not much you'd really need for that to make it streetable. TCM sells the side seals on their own.

'90 - '05 Miata Side Window Seal Kit for Light Weight Hard Top

asmasm 07-30-2015 02:11 PM


Originally Posted by darkcambria (Post 1253273)
Not much you'd really need for that to make it streetable. TCM sells the side seals on their own.

'90 - '05 Miata Side Window Seal Kit for Light Weight Hard Top

The soft top brackets + seals don't necessarily fit this top.

Edit:
Looking at the pictures closely the TCM seals definitely do not fit this top.

darkcambria 07-30-2015 02:19 PM

Unless you've found better pictures at a different angle, I'm not seeing that. You'd still have to drill the side to attach but it looks to be the same arch as a normal hard top.

hornetball 07-30-2015 02:45 PM

The TCM side seals are just OEM soft top side channels and seals. Nothing special. And they didn't fit all that well either, especially the rearmost section -- ended up using a bit of RTV between the channel and the hardtop in that section.

Honestly, for a track car that's never street driven and only trailered, pool noodles or pipe insulation between the window and hardtop works fine.

Arrange a group buy with your buddies and you should be able to save a bunch of freight charges.

asmasm 07-30-2015 02:45 PM

The treason coast hardtop is not a direct copy of a regular hardtop and there is a channel that the brackets for the seals fit into.

hornetball 07-30-2015 02:50 PM


Originally Posted by asmasm (Post 1253285)
The treason coast hardtop is not a direct copy of a regular hardtop and there is a channel that the brackets for the seals fit into.

Treason coast? Is there a side story?

asmasm 07-30-2015 03:15 PM

Lol. Mistyped.


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