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Old 06-14-2018, 07:38 AM   #1  
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Detroit Speed 3 point STB

If you guys have been following DSE lately, you'll notice that they just did some suspension upgrades to a customers 1987 red Iroc. Video of this is linked below. In that video DSE gives us a sneak peek at a new product they are working on for us thirdgen folks. They will be offering us a 2 or 3 point strut tower brace and as of the first week of June, it should be ready to go by July. I took a few screenshots of the youtube video to show everyone what it will look like. I contacted them about pricing but was told they do not have that at this time.


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Old 06-14-2018, 07:44 AM   #2  
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Re: Detroit Speed 3 point STB



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Old 06-14-2018, 11:24 AM   #3  
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Re: Detroit Speed 3 point STB

Interesting. Thanks for sharing this.


Off topic, what is that small tube over the top of the alternator around the 1 minute mark?
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Old 06-14-2018, 01:02 PM   #4  
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Re: Detroit Speed 3 point STB

That's the anti-vaporlock kit for the carb. A bandaid GM came up with. There's info about it somewhere on the forum, IIRC it was a TSB fix.
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Old 06-14-2018, 01:12 PM   #5  
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Re: Detroit Speed 3 point STB

not many solid 3 point STB choices so me interested. Will it clear a TPI?
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Old 06-14-2018, 03:43 PM   #6  
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Re: Detroit Speed 3 point STB

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Originally Posted by GTA1990 View Post
not many solid 3 point STB choices so me interested. Will it clear a TPI?

Yes, it will clear both the TPI and TBI engines assuming you are running OEM engine mounts.
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Old 06-14-2018, 05:42 PM   #7  
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Re: Detroit Speed 3 point STB

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That's the anti-vaporlock kit for the carb. A bandaid GM came up with. There's info about it somewhere on the forum, IIRC it was a TSB fix.

Wow, I've never noticed/seen one of those before. Thanks Drew.


Good to know this fits both styles of efi.
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Old 06-14-2018, 07:51 PM   #8  
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Re: Detroit Speed 3 point STB

I'll be surprised if it fits underneath the hood of a base model Firebird. I could use a surprise like that though. I don't know of any current production 3-point brace that will fit underneath the hood of my car.
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Old 06-14-2018, 08:09 PM   #9  
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Re: Detroit Speed 3 point STB

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Originally Posted by QwkTrip View Post
I'll be surprised if it fits underneath the hood of a base model Firebird. I could use a surprise like that though. I don't know of any current production 3-point brace that will fit underneath the hood of my car.
Yeah, nothing in current production. I like DSE (strut mounts are the best), but many pieces are overpriced per cache value - pick and choose.


Always liked my Kenny Brown pieces from the 90's:
Attached Thumbnails
Detroit Speed 3 point STB-dsc00304sm.jpg   Detroit Speed 3 point STB-dsc00316sm.jpg  
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Old 06-14-2018, 08:16 PM   #10  
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Re: Detroit Speed 3 point STB

That's the anti-vaporlock kit for the carb. A bandaid GM came up with. There's info about it somewhere on the forum, IIRC it was a TSB fix.

Got a link to this. I'm a QJet user.

Last edited by NoEmissions84TA; 06-14-2018 at 08:20 PM.
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Old 06-14-2018, 11:44 PM   #11  
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Re: Detroit Speed 3 point STB

Not off hand... It was an electric fan blower and the hose to blow on the carb to keep it cool, or something goofy like that. The more appropriate fix was to put a pusher pump in the fuel tank.

https://www.thirdgen.org/forums/elec...6702-what.html

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Last edited by Drew; 06-14-2018 at 11:51 PM.
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Old 06-15-2018, 12:26 AM   #12  
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Re: Detroit Speed 3 point STB

Thanks. Looking at that picture, all I can say is, "WTF was GM thinking?"
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Old 06-15-2018, 01:02 AM   #13  
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Re: Detroit Speed 3 point STB

"EFI is coming!"
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Old 06-15-2018, 07:34 AM   #14  
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Re: Detroit Speed 3 point STB

Heidts has two pretty nice 3 point braces. One is adjustable. One is not. Not sure if they fit 'Birds though.
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Old 06-15-2018, 12:10 PM   #15  
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Re: Detroit Speed 3 point STB

Nissan did something similar with what looked like a 12v fan you'd put on your dash, but they mounted t on the firewall pointed at the carb. Crude, and perhaps moderately effective.
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Old 06-15-2018, 02:24 PM   #16  
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Re: Detroit Speed 3 point STB

I wouldn't be too surprised if the thirdgen fan kit is closely related to the cooling kit for the Fiero... Can't remember if it blew on the coil, or the alternator, only that they had a silly electic blower in the trunk and a couple stainless tubes to direct the air onto something or other on the engine.
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Old 06-15-2018, 03:04 PM   #17  
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Re: Detroit Speed 3 point STB

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Originally Posted by Abubaca View Post
Heidts has two pretty nice 3 point braces. One is adjustable. One is not. Not sure if they fit 'Birds though.
No, it does not. I've tried the Heidts TPI and TBI 3-point on my Firebird.
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Old Yesterday, 02:19 PM   #18  
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Re: Detroit Speed 3 point STB

Has anyone compared the footprint of the factory caster/camber plate to the DSE one? With this mount using bolt holes drilled into the top of the strut tower, compatibility with non DSE caster/camber plates will need to be verified. It looks like it will clear with no problem though.
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Old Yesterday, 07:33 PM   #19  
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Re: Detroit Speed 3 point STB

My old bmr stb mounted the same way in front of the caster/camber plates. I had it with the stock plates with no issue.
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Old Yesterday, 09:39 PM   #20  
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Re: Detroit Speed 3 point STB

BMR won't clear Firebird hood either. Tried it and sent it back.
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Old Yesterday, 10:05 PM   #21  
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Re: Detroit Speed 3 point STB

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Originally Posted by QwkTrip View Post
BMR won't clear Firebird hood either. Tried it and sent it back.
WHERE are the clearance issues on a Firebird/TransAm?
I will be changing to a Ram Air hood, but if it hits at the strut towers......
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Old Yesterday, 11:15 PM   #22  
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Re: Detroit Speed 3 point STB

The center plate with BMR logo is taller than the hood. Can't even latch the hood.

Firebird and Trans Am are not the same hood profile on the underside. Firebird is worst case scenario of all 3rd gen hoods. The base model hood is never considered when people develop a strut tower brace because the tall TPI engine was never put in a car with a base-model Firebird hood. But people like me that do an LS swap want the TPI style strut tower brace.
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Old Today, 12:35 AM   #23  
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Re: Detroit Speed 3 point STB

Thank you. Next I am going to start a post asking about those hood and fender profiles. Maybe you have some good pictures???
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Old Today, 12:51 AM   #24  
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Re: Detroit Speed 3 point STB

You'll probably be good with the Trans Am or Formula hood. Worst case scenario is you return the part and are out shipping cost.

I got a full refund (including shipping) because I talked things through with them ahead of time so they were participants with me from the get-go. Same with Heidts. But that experiment has been done now and I don't think they'll have any incentive to do it twice.
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