Looking for Picture of a T5 Speedo Driven Gear
Thread Starter
Joined: Mar 2009
Posts: 218
Likes: 0
From: Ontario, Canada
Car: 1985 Pontiac Trans Am
Transmission: BW T5, Hurst Short Throw Shifter
Axle/Gears: 3.70 Posi
Looking for Picture of a T5 Speedo Driven Gear
Hi, does anyone have a picture of what the driven gear looks like. I found lots of gears online, but there appears to be a few different types. I realize that they are based on the number of teeth...this is a 21 tooth for a 3.70ish rear.
Is this the correct T5 driven gear?
Thanks.
Is this the correct T5 driven gear?
Thanks.
Joined: Jul 2000
Posts: 6,528
Likes: 94
From: Aridzona
Car: `86 SS / `87 SS
Engine: L69 w/ TPI on top / 305 4bbl
Transmission: `95 T56 \ `88 200-4R
Re: Looking for Picture of a T5 Speedo Driven Gear
Nope. Wrong diameter. Need a 21 tooth driven?
Thread Starter
Joined: Mar 2009
Posts: 218
Likes: 0
From: Ontario, Canada
Car: 1985 Pontiac Trans Am
Transmission: BW T5, Hurst Short Throw Shifter
Axle/Gears: 3.70 Posi
Joined: Sep 2005
Posts: 27,988
Likes: 2,480
Car: Yes
Engine: Usually
Transmission: Sometimes
Axle/Gears: Behind me somewhere
Re: Looking for Picture of a T5 Speedo Driven Gear
Thread Starter
Joined: Mar 2009
Posts: 218
Likes: 0
From: Ontario, Canada
Car: 1985 Pontiac Trans Am
Transmission: BW T5, Hurst Short Throw Shifter
Axle/Gears: 3.70 Posi
Re: Looking for Picture of a T5 Speedo Driven Gear
Thanks for your help sofakingdom
Supreme Member




Joined: Oct 2004
Posts: 4,528
Likes: 240
From: Henrietta NY
Car: 1984 Trans Am L69
Engine: Sniper EFI Powered 355
Transmission: WC T5 w/ Steel Support Plate
Axle/Gears: 3.42 10 Bolt Posi
Re: Looking for Picture of a T5 Speedo Driven Gear
Speedo Gears Part NO
18 Brown 3987918
19 White 3987919
20 Blue 3987920
21 Red 3987921
22 Gray 3987922
http://www.ebay.com/itm/ACDelco-3987921-Miscellaneous-Part-/390715111324?pt=Motors_Car_Truck_Parts_Accessories&hash=item5af86f779c&vxp=mtr
18 Brown 3987918
19 White 3987919
20 Blue 3987920
21 Red 3987921
22 Gray 3987922
http://www.ebay.com/itm/ACDelco-3987921-Miscellaneous-Part-/390715111324?pt=Motors_Car_Truck_Parts_Accessories&hash=item5af86f779c&vxp=mtr
Thread Starter
Joined: Mar 2009
Posts: 218
Likes: 0
From: Ontario, Canada
Car: 1985 Pontiac Trans Am
Transmission: BW T5, Hurst Short Throw Shifter
Axle/Gears: 3.70 Posi
Re: Looking for Picture of a T5 Speedo Driven Gear
Okay, now I am right back to where I started from.
The original gear that I quoted and provided a link for is the exact same gear that Midias just provided a link to eBay for. 3987921 seems to be the correct part number, but JMD say it is the wrong size
The original gear that I quoted and provided a link for is the exact same gear that Midias just provided a link to eBay for. 3987921 seems to be the correct part number, but JMD say it is the wrong size
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Supreme Member




Joined: Oct 2004
Posts: 4,528
Likes: 240
From: Henrietta NY
Car: 1984 Trans Am L69
Engine: Sniper EFI Powered 355
Transmission: WC T5 w/ Steel Support Plate
Axle/Gears: 3.42 10 Bolt Posi
Re: Looking for Picture of a T5 Speedo Driven Gear
I used the gear I provided with that part number in both a NWC and WC t5.
Thread Starter
Joined: Mar 2009
Posts: 218
Likes: 0
From: Ontario, Canada
Car: 1985 Pontiac Trans Am
Transmission: BW T5, Hurst Short Throw Shifter
Axle/Gears: 3.70 Posi
Re: Looking for Picture of a T5 Speedo Driven Gear
Midias, did you just replace the driven gear...assume the drive gear is a 7 tooth blue already as the original rear end ratio was 3.27?
Supreme Member




Joined: Oct 2004
Posts: 4,528
Likes: 240
From: Henrietta NY
Car: 1984 Trans Am L69
Engine: Sniper EFI Powered 355
Transmission: WC T5 w/ Steel Support Plate
Axle/Gears: 3.42 10 Bolt Posi
Re: Looking for Picture of a T5 Speedo Driven Gear
The WC transmission I added a 7 tooth drive gear to replace the 9 tooth and I added a new speedo sleeve because it came with a VSS
Code:
Driven Gears Part NO Speedo Sleeve Part NO 7 Purple 14071731 Sleeve 345215
Thread Starter
Joined: Mar 2009
Posts: 218
Likes: 0
From: Ontario, Canada
Car: 1985 Pontiac Trans Am
Transmission: BW T5, Hurst Short Throw Shifter
Axle/Gears: 3.70 Posi
Re: Looking for Picture of a T5 Speedo Driven Gear
Perfect...thanks for your time.
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