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My 84 Trans Am LS1 front upgrade

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Old Mar 23, 2025 | 10:20 PM
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midias's Avatar
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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
My 84 Trans Am LS1 front upgrade

Ever since I did my restoration on my 84 trans Am I've been wanting better front brakes so I started by upgrading my factory 15s to 16 inch wheels that I got from a firebird GTA. I stripped all the silver paint off them and use the dual action sander to get the faces looking close to factory 84 then I painted the insides to match my old rims.

I got the pads rotors and calipers from RockAuto as a kit they are from a 2000 Camaro SS V8. I also needed new caliper banjo bolts they came from RockAuto
The caliper relocation brackets I got from this site I got the flush mount option it makes life much easier. https://bigbrakeupgrade.com/product-category/1982-92-camaro/](https://bigbrakeupgrade.com/product-category/1982-92-camaro/ The hubs were machined factory rotors a friend that did them for free. I also give them a coating of high temp paint



I used Dorman 610-323 M12-1.50 studs the knurled diameter with almost exactly the same as the studs I took out of the old rotors Then I modified my factory spindles according to this website https://lukeskaff.com/projects/car/third-gen-f-body-brake-upgrade/spindle-modification/ I was able to reuse the factory brake lines Here's a picture of my finished project







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Old Mar 24, 2025 | 05:57 AM
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Fullmonte77's Avatar
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From: Kylertown,PA
Car: 85 Berlinetta
Engine: 350
Transmission: T5
Axle/Gears: 10 bolt 3.42 with Torsen posi
Re: My 84 Trans Am LS1 front upgrade

Still the best mod I have done to my car.
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Old Mar 24, 2025 | 10:02 AM
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ughmas's Avatar
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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: My 84 Trans Am LS1 front upgrade

nice work, looks great, hows the stopping power?
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Old Mar 24, 2025 | 10:33 AM
  #4  
midias's Avatar
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Joined: Oct 2004
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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: My 84 Trans Am LS1 front upgrade

Originally Posted by ughmas
nice work, looks great, hows the stopping power?
Will hopefully find out soon. Need a couple more weeks and rain to get the salt off the road
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Old Mar 24, 2025 | 04:40 PM
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From: Sophia, NC
Car: 2016 Camaro SS + 1986 Z28
Re: My 84 Trans Am LS1 front upgrade

Excellent mod, and well worth the money. I've done it twice now. ......building a third, and it's a non IROC, Z28, with 15" wheels. REALLY want the brakes, and REALLY want to keep the wheels. Not sure which will win. Probably the wheels, but who knows! Anyhow, you're gonna love 'em.
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Old Mar 25, 2025 | 08:45 PM
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86White_T/A305's Avatar
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From: Canada,Ont
Car: 1987 TransAm Ttop
Engine: 2005 LQ4
Transmission: Ls1 T56
Axle/Gears: 3:54
Re: My 84 Trans Am LS1 front upgrade

Id recommend also upgrading to the steel braided flex lines. this increased pedal response and feel, now you need to upgrade the rear to ls1 brakes and have a much better braking system all around with parts more readily available.
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Old Apr 6, 2025 | 04:51 PM
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midias's Avatar
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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: My 84 Trans Am LS1 front upgrade

Took the first test drive no issues I went nice and easy on it. I didn't slam the brakes I'm giving them time to mate properly but my initial feel is they are quite a bit better I'm very excited. Hopefully in about 2 weeks I'll be back to driving in almost daily
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Old Jul 10, 2025 | 10:43 AM
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Re: My 84 Trans Am LS1 front upgrade

Thanks for the posting looking to do similar upgrades on my iroc.
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Old Jul 30, 2025 | 10:01 AM
  #9  
midias's Avatar
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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: My 84 Trans Am LS1 front upgrade

Originally Posted by jmwhite01
Thanks for the posting looking to do similar upgrades on my iroc.
I highly recommend it, completely worth the effort in the swap and new rims to fit them.

Honestly I cant get over how much better the 16s look over the 15s
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