T5 dust plate mounting hardware size?
Thread Starter
Junior Member
Joined: Jan 2017
Posts: 57
Likes: 13
From: Rhode Island
Car: 1989 Pontiac Firebird Formula
Engine: 305 TBI (stock)
Transmission: T5 (Converted May 2025)
Axle/Gears: 2.73, non-posi drum
T5 dust plate mounting hardware size?
Hey guys, anyone know the bolt size for mounting the T5 dust / inspection plate? I'm getting a T5 swap package from another member this weekend but I think this hardware is missing.
Joined: Sep 2005
Posts: 28,014
Likes: 2,492
Car: Yes
Engine: Usually
Transmission: Sometimes
Axle/Gears: Behind me somewhere
Re: T5 dust plate mounting hardware size?
Not sure what you're asking.
It has a top cover, which houses the shifter mechanism. Is that what you're talking about?
It has a top cover, which houses the shifter mechanism. Is that what you're talking about?
Thread Starter
Junior Member
Joined: Jan 2017
Posts: 57
Likes: 13
From: Rhode Island
Car: 1989 Pontiac Firebird Formula
Engine: 305 TBI (stock)
Transmission: T5 (Converted May 2025)
Axle/Gears: 2.73, non-posi drum
Re: T5 dust plate mounting hardware size?
The 4 bolts for this:
Joined: Sep 2005
Posts: 28,014
Likes: 2,492
Car: Yes
Engine: Usually
Transmission: Sometimes
Axle/Gears: Behind me somewhere
Re: T5 dust plate mounting hardware size?
Oh that. The clutch inspection cover. I thought you were talking about something to do with the T-5 itself.
They're some sort of SEMS with unusually coarse threads. A sheet metal sort of screw. Very crappy. The BH where they attach frequently gets stripped. I always drill them out and Heli-Coil them to 6mm then use about 10mm long screws.
They're some sort of SEMS with unusually coarse threads. A sheet metal sort of screw. Very crappy. The BH where they attach frequently gets stripped. I always drill them out and Heli-Coil them to 6mm then use about 10mm long screws.
Thread Starter
Junior Member
Joined: Jan 2017
Posts: 57
Likes: 13
From: Rhode Island
Car: 1989 Pontiac Firebird Formula
Engine: 305 TBI (stock)
Transmission: T5 (Converted May 2025)
Axle/Gears: 2.73, non-posi drum
Re: T5 dust plate mounting hardware size?
Got it. many thanks!
I'm scrounging together parts for my T5 swap to hand off to my shop - don't want to give them any reasons to bill me at shop rate while they hunt down hardware I can simply research and provide!!
I'm scrounging together parts for my T5 swap to hand off to my shop - don't want to give them any reasons to bill me at shop rate while they hunt down hardware I can simply research and provide!!
Member
Joined: Jan 2008
Posts: 329
Likes: 100
From: Mint Hill, NC
Car: '90 Formula '88 GTA
Engine: 305 TPI 350 TPI
Transmission: T5 700R4
Axle/Gears: 3.42 10 Bolt 3.27 9 bolt
Re: T5 dust plate mounting hardware size?
ill see if I can check one of mine for you - hang tight
Member
Joined: Jan 2008
Posts: 329
Likes: 100
From: Mint Hill, NC
Car: '90 Formula '88 GTA
Engine: 305 TPI 350 TPI
Transmission: T5 700R4
Axle/Gears: 3.42 10 Bolt 3.27 9 bolt
Re: T5 dust plate mounting hardware size?
Mine are small bolts with washer (90 formula original), M6x1.0 - 12-13mm long (approx 1/2 in)
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Thread Starter
Junior Member
Joined: Jan 2017
Posts: 57
Likes: 13
From: Rhode Island
Car: 1989 Pontiac Firebird Formula
Engine: 305 TBI (stock)
Transmission: T5 (Converted May 2025)
Axle/Gears: 2.73, non-posi drum
Re: T5 dust plate mounting hardware size?
Thanks!! I just posted a thread that summarizes all the info I've gathered for parts needed for a comprehensive T5 swap, your info has been included 
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