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Old 03-04-2004, 07:18 PM   #1
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I'm wandering around the ghetto readin meters and all, and i catch a glint of shiny through this set of epics on this newer LeSabre, it'* got rear discs.... and so did one i checked about an hour later, is that swapable? looked like a 8" disc with a single piston
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Old 03-04-2004, 09:27 PM   #2
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Not a direct swap. The LeSabre is no longer an H body.
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Old 03-04-2004, 10:23 PM   #3
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communists.....
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Old 03-06-2004, 08:03 PM   #4
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Same body as the Bonneville now, I believe.
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Old 03-07-2004, 02:23 AM   #5
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If the new Bonnevilles are H'*, they're drastically different, especially up front. In particular, the firewall/strut tower configuration. Not sure on Mom'* Vin. I'll have to get the first few digits from her.
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Old 03-07-2004, 02:16 PM   #6
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Well then, back on the topic, I know the rear disc setup on a newer Bonneville won't swap over (without alot of fab). The knuckle/arm configuration to the hubs is totally different.
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Old 03-08-2004, 05:50 PM   #7
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Now wait a second Didnt the LeSabre and Bonneville inherit the G platform from Riv. and Aur. ? Or is it just some of the parts ? I could swear I saw proof that Bonneville/LeSabre was a G body.
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Old 03-08-2004, 06:08 PM   #8
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Damemorder - you can upgrade your fronts to the larger 90'* PA. But you cant use 15" wheels anymore. Dont remember the specifics but its been done on a few Lesabre T-types. Must be some Bonneville guys have done this too ? Then an adjustable regulater to get a little more pressure to the drums has been said to make a big difference.

Question - did the 92-99 H bodys have larger disc than 86-91 ? I realize I should know this having both but have never took the time to measure or really check it out when working on one.

The LSS has great brakes from my experiance.
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Old 03-08-2004, 06:24 PM   #9
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Well, I only have a book that goes up to 92 but for example in 1989 carline series code for LeSabre was P custom or R Limited , Delta was N Royal/Y for Brougham, Bonne'* were X,Yand Z. H was 6000STE, and Century Custom

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Old 03-08-2004, 06:26 PM   #10
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I think the whole rear disc thing is more for looks then performance. Rear brakes are only 30-20% of our braking power, and then the difference from going to discs isn't a full step up, so you're not looking at much of a gain.

I'd try the regulator first, but then your fronts won't be as strong.
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