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Old 08-16-2006, 03:23 PM   #1
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Default 00+ brake sizes?

Well ive mentioned this several times on the forum, but have yet to get any response.

The part #* for the rotors on the 00+ SE and SSE/SSEi are different, GMPD shows the SE as having 11 inch rotors and the SSE as having 12 inch rotors.

I would assume the steering knuckles to be the same, and also probably the calipers, meaning all you would have to do is obtain the caliper brackets and rotors to move up to 12 inch rotors.

I know this doesnt even pertain to me, but I have made the change from 11 to 12 inch rotors and know what a difference it makes, so im sure the SE guys would like to do the same.

Of course I cant even verify this is true, and no one else has chimed in the other times ive mentioned this. So I decided to make my very own thread about it.
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Old 08-16-2006, 04:04 PM   #2
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what did you do to upgrade?
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Old 08-16-2006, 04:57 PM   #3
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Like I said this doesnt pertain to me, because I have a W-body.

But what I did to upgrade was get caliper mounting brackets from a W-body car that came stock with 12 inch rotors, a 2001 Impala from the junkyard in my case...and also took the rotors from that same car.

steering knuckle was the same so the brackets bolted right up, calipers are the same, and the rotors fit fine with the added clearance.

Im thinking the 00+ SEs can do pretty much the same thing, but no one seems to know what size rotors they have for sure.
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Old 08-16-2006, 08:44 PM   #4
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One thing to check might be brake bias. With different stopping up front, but the same parts our rear, you may be unbalanced in braking power.
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Old 08-16-2006, 08:53 PM   #5
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maybe at the next big meet me and a SLE/SSEi can do eome swapping around to see what fits where... but i suppose the easiest way would be to cross reference all the parts and see which are shared and which are different
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Old 08-16-2006, 11:19 PM   #6
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Quote:
Originally Posted by toastedoats
maybe at the next big meet me and a SLE/SSEi can do eome swapping around to see what fits where... but i suppose the easiest way would be to cross reference all the parts and see which are shared and which are different
Yeah the swapping would work, but who knows when the next meet will be.

So like you said, it would be best to cross reference some part #* and see what all is the same.

Also another super easy thing would be for someone with an SE to pop off a wheel and just put a tape measure across their rotors, its hard to get an exact measurement with the caliper and stuff still on there, but you can get close enough to tell what you have.

The "11 inch" rotors are actually 10.9 inches in diameter and the "12 inch" are actually 11.9 in diameter.

So if someone with an SE and someone with an SSE/SSEi of the 00+ generation both took the time to pop a wheel off, it might lead to some nice modding around here.

But hey, if no one wants to stop better, I guess its y'all'* problem. I for one throughly enjoyed the jump up, it one of the best mods ive done, toss up between that and the handling kit, and it was hands down the cheapest....parts were only about 60 bucks from the junkyard, and 10 bucks to have the junkyard rotors turned....all was well until i failed to tighten my caliper bracket-to-knuckle bolts properly with the thread locker and actually ended up losing one of them....then I drove all around the state looking for one(in my moms van)...then finally ended up paying 16 dollars for a bolt...thank you GM!


EDIT:

I did a little searching around, GMPD lists the steering knuckle as the same part for both the SE and SSE.

RockAuto supports the theory that both cars have different size rotors by showing different part numbers for the SE and SSE.

Both GMPD and RockAuto show different a different caliper bracket for the SE and so far I havent been able to find anywhere that even shows a bracket for the SSE

Now this is where it really gets interesting, GMPD shows different calipers for the SE and SSE, it also has 2 separate part #* for the same part for each car, for example there are 2 part #* for the left front SE caliper...there are also 2 separate part #* for the front left caliper of the SSE.....I can make no sense of that whatsoever.

Im still thinking this is feasible, Id like to see what makes the calipers different, but heck I dont even have a Bonneville, so somebody meet up and get crazy!!!!
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