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Old 11-11-2007, 03:29 PM
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Stoping a full size Impala

I am about to buy a brake kit for a ´61 Impala.The spindles will be original and we need bigger than 11" discs for the street.Car will have a mild 502/TH 400 and we´ve got to stop it safely.Does anyone have sugestions? The kits I see advertized are not weather proof.

Thanks guys.

Paulo

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Old 11-11-2007, 05:16 PM
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If this is the car that I sent the mounts for, you will need a dual diaphram 7" booster. I don't believe anything else will fit and still give clearance at the valve cover.

I have a single diaphram booster (4-wheel disc) and I am not too happy with the power assist at all.

Why does it need to be weatherproof????
Are you implying there are no backing plates or water shields with the kits??

I would not be too concerned----I have no shields or backing plates either.

Bryan
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Old 11-11-2007, 06:58 PM
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OK Bryan! Yes it is us down here in Rio de Janeiro.We are now at the point were the headers were hand made with your plates,tranny cross member for TH 400 was also hand made,chassis mods made for Olds 12 bolt diffy,and some other front suspension mods.I pulled the chassis from under the car and the owner insists on big brakes.By weather proof I mean that the manufacturer warns that these kits are for racing and use no rubber boots on the pistons and no splash shields.

What you got? 11" discs? I dislocated the pedal with pushrod and all to the out side and we got plenty of room for the booster/valve cover interference.
Is your braking good but too hard to press?

Paulo
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Old 11-12-2007, 06:00 AM
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Braking is good-but the power assist is kind of weak.
Those small booster don't supply much boost for the tanks I drive.
If you have the room--use the biggest booster you can.
And yes---11" discs on the front.
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Old 11-13-2007, 09:30 AM
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I would bet that if you checked your car weighs less than a late-model TransAm Firebird. Does a Firebird have discs bigger than 11"?

My son's 57 BelAir 2door sedan weighs about 150# less than a V8 Firebird of the 90s.
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