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Brake line conversion Dbl flare to Iso?

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Old 07-03-2006, 08:41 PM
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Car: 1984 Firebird
Engine: LT1
Transmission: T5
Axle/Gears: 3.42's
Brake line conversion Dbl flare to Iso?

Hey,

I'm sorry if this has been asked before, but I'm unsure how to even search for this topic.

I have an '84 Firebird, which, to the best of my knowledge, uses double flares for the brake lines.

I just bought brakes off of a 98 Camaro (LS1 swap) and would like to use these brakes.

How exactly would I go from the double flare at the junction (rear axle) to the calipers? Is there some kind of adapter?

What about for the fronts??

Thanks!!!
Old 07-03-2006, 10:20 PM
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Car: 89 FORMULA 350, 91 Z28 Convertible
Engine: ls1, LB9
Transmission: t56, Auto
Axle/Gears: S60/ 3.73
there are adapters you can pick up at the parts stores, I thought 84 was the first year for iso ???
Old 07-03-2006, 11:11 PM
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Car: 1984 Firebird
Engine: LT1
Transmission: T5
Axle/Gears: 3.42's
is it? Would make my life easier!!
Old 07-04-2006, 09:21 AM
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Car: 1985 Z28
Engine: 350
Transmission: T-5 5 Spd
Axle/Gears: Built 10bolt w/3.73s
I replaced everything in the rear of my '85 Z28 and am in the process of replacing the front and I believe its all ISO bubble flare. Still not sure if and what adapters you may or may not need. The LS1 thread didn't cover this?
Old 07-04-2006, 07:53 PM
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Car: 1984 Firebird
Engine: LT1
Transmission: T5
Axle/Gears: 3.42's
I just looked at the LS1 tech article, and that was vague about what years had double flares, and what had iso.. thanks though..
Old 07-06-2006, 02:23 PM
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Car: '85 TA
Engine: Carb'd 350, ported 416s
Transmission: retrofitted T5
Axle/Gears: 3.42 7.62" 10-bolt, locker
I just replaced a wheel cylinder in my '85 and it had ISO bubble flares. But when I took one off my '84 junker, it had double flares. Howerver, the junker car was heavily modified before I got a hold of it (IE: 28 spline axles and no emergency brake hardware, even inside the drums), so thats still not really conclusive. From what I have seen between the two cars, there are alot of minor changes that took place between '84 and '85 like that.
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