Lower Chassis Brace

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08-04-2023, 12:44 PM

91banditt2

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Car: 1991 BandittII Firebird

Engine: 5.7 HSR

Transmission: 700R4

Axle/Gears: 3.27 9 bolt

Lower Chassis Brace

With inspiration from the Kenny Brown Lower Chassis Brace that was offered 20 years ago I've fabricated my own.

The inspiration, not sure why the opposing mounts but.....

A quick modification to the pitcure because I prefer symmetry

Version 1.0 I used solid rod ends with a threaded backing plate on the inside of the frame

Version 2.0 I used welded plates in place of the solid rod ends.

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The following 6 users liked this post by 91banditt2:

87CIZ (08-04-2023), altiller (08-04-2023), DynoDave43 (08-06-2023), Jaysz28 (08-05-2023), midias (08-14-2023), and 1 others liked this post.

08-04-2023, 02:22 PM

QwkTrip

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Car: '89 Firebird

Engine: 7.0L

Transmission: T56

Re: Lower Chassis Brace

Cool.

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91banditt2 (08-04-2023)

08-14-2023, 12:47 PM

midias

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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: Lower Chassis Brace

Looks good, any improvement in chassis feel?

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08-14-2023, 12:50 PM

91banditt2

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Car: 1991 BandittII Firebird

Engine: 5.7 HSR

Transmission: 700R4

Axle/Gears: 3.27 9 bolt

Re: Lower Chassis Brace

Quote:

Originally Posted by midias

Looks good, any improvement in chassis feel?

Not sure yet, cars a long term project and it's not back on the road just yet.

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08-14-2023, 12:51 PM

battmann

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Car: 1984 TA (1 stock / 1 custom)

Engine: LG4 / turbo LQ4

Transmission: 700R4 / 4L80E

Axle/Gears: Stock / 4:11 Moser 9"

Re: Lower Chassis Brace

what do the bolts attach to inside the frame area? did you put a plate inside with nuts or something?

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91banditt2 (08-14-2023)

08-14-2023, 01:12 PM

91banditt2

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Car: 1991 BandittII Firebird

Engine: 5.7 HSR

Transmission: 700R4

Axle/Gears: 3.27 9 bolt

Re: Lower Chassis Brace

Quote:

Originally Posted by battmann

what do the bolts attach to inside the frame area? did you put a plate inside with nuts or something?

there’s a 1/2” thick threaded backing plate inside the frame

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