I am looking at replacing the front discs on my 69 Chevelle. They have apparently been turned down past acceptable tolerances.
I do not care to go find some used ones that will work, but would rather purchase new ones. I was just wondering if any of you had some advice on what is the most practicle to purchase?
I do not need the high performance slotted discs. I was only wanting to buy some that are reasonably priced and of good quality and performance. Your input would be appreciated. Thank you.

DonSS-

What a coincidence!!! I just got online to post a topic for front brake rotors because I'm looking for new ones too!!! The only thing is that I want the slotted discs, rather than the original OEM rotors. There are three good companies to purchase the reproduction rotors from: National Parts Depot (79.95 each), Original Parts Group (69.95 each), and Year One (101 each or 185 for a pair). Year One is probably the best quality, but I would go with OPG because they are a LOT cheaper and are still of high quality. Hope this helps, and I'm also hoping you can return the favor by telling me where I can get the slotted discs for a 72!!! Thanks!

[This message has been edited by 72Elky (edited 06-30-99).]

Hey guy's, have you tried our sponsor, Ground Up?

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Nick P.
Team Chevelle Gold #36

Thanks guys for the info. I really have not shopped around as of yet, so I would not know where to pick up the slotted discs. I have listened to some of the guys talking and figured they were a little out of my league and the others would suit me fine.
Right now I'm fixing to surf over to Ground Up! Thanks.

Thanks guys for the info. I really have not shopped around as of yet, so I would not know where to pick up the slotted discs. I have listened to some of the guys talking and figured they were a little out of my league and the others would suit me fine.
Right now I'm fixing to surf over to Ground Up! Thanks.

If you're into "correct", you'll need two piece rotors which are, to the best of my knowledge, no longer available. An NOS guy once offered me one for $500!

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Fred Aldrich
Web Site: www.GeoCities.com/~69_chevelle (http://www.GeoCities.com/~69_chevelle)

Go down to the Local Auto Parts Store. You do not need to order rotors through the mail. Any Parts store has them in stock for $55 to $60.

I have seen them for sale in the past month for $41 each. From an auto parts outlet in Ohio. I don't know how much shipping would cost - they are heavy.

Bob T, thanks for the info, I only wish I had a list of other parts that I could purchase via local auto parts store -vs- resto catalog, for my 69ss. Nothing against the resto co. but $ is a factor to a lot of us..

Hey Bob-

You think they'll have the slotted rotors at the local parts store?? Are they going to be the right kind for my 72, or are they just a generic model???

Summit has cross drilled rotors for 67-72 Chevelles for $88 a pop. Not too bad a price but not the cool slotted type

Frank

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Are you guys looking for 1969 and NEWER rotors, which I believe...

1969 and up are single piston caliper, ONE piece rotors.

1968 and older/prior were four piston caliper, TWO piece rotors.

..as always please correct me if I'm wrong.

Also, note that there is now a special "ONE piece rotor" now available which is a functional replacement for the two piece rotor, but can NOT be used as a one piece replacement.

D&R Classic Automotive sells them. GroundUP may also carry them. (the replacement for two piece rotor). ANY parts store should be able to get the '69 and up rotor

Thanks, Len

Len, My 69 has single piston calipers with the two piece rotors that Fred mentioned.
Fortunately I have a few extra rotors for it.
I also have one 68 spindle with two piston caliper and one piece rotor

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Dean Call
Overland Park KS
Gold member #3
A.C.E.S. # 00235
N.C.O.A. # 4350

macc.chevelles.net (http://macc.chevelles.net)




[This message has been edited by Dean (edited 07-01-99).]

All new 69 rotors are one piece. I know I replaced mine. The stock (auto parts store rotors) work just fine. Go see PEP BOYS, AUTO ZONE, NAPA, etc. Save some money.

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ACES #2637
TEAM CHEVELLE #69

Dean, What you have with that one, "TWO
PIECE rotor mounted under the "SINGLE PISTON" caliper is NOT original.

Yes, I know the two piece rotor WILL fit under single piston calipers...

BUT the one piece (ORIGINAL) '69 and up rotor will not "BACK-FIT" down and fit under the four piston caliper.

ALL TWO PIECE ROTORS go with four piston calipers.

ALL ONE PIECE ROTORS go with single piston calipers. (with the exception of a NEW SPECIALLY designed rotor which is a REPLACEMENT for the two piece unit)

Chevrolet made the "INTERCHANGE" possible when they redesigned the disc brake parts for the 1969 model year.

This applies to Camaros as well, 1968 4 piston vs. 1969 single piston. Vettes continued to stay with four piston calipers.

Thanks, Len

***I changed the word rotor to caliper one place...

[This message has been edited by Len (edited 07-04-99).]

Len, this is getting very interesting, thanks for the info.
One time when I needed a new two piece rotor on my 69 - single piston brakes, I tried borrowing one off of my son's 70 SS which had the single piston - one piece rotors and it would not fit. If I remember correctly, the inboard bearing or seal was different.
Someone at a salvage yard where I found some extra rotors told me that the two piece rotors were on big block cars only but I don't know what he really knew except from junk yard experience.

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Dean Call
Overland Park KS
Gold member #3
A.C.E.S. # 00235
N.C.O.A. # 4350

macc.chevelles.net (http://macc.chevelles.net)

I have the single piston brakes on my 65. I converted them a while back. Now I want something better. Can I use the Vette calipers on the 69-72 brakes? They are not that much more money.

Thanks

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David Nafarrete
1965 406 6speed
(almost on the road again)

Hollander has a good list.
Original one piece it lists:
Buick special 71-72
Firebird 69
Grand prix 69-72
Olds F-85 70-72
Tempest 69-72

Original two piece it lists:
Apollo 73-74
Buick special 67-70 and some 71
Camaro 67-69
Chevelle 67-72
Chevy II 67
Firebird 67-68
Monte carlo 70-72
Nova 68-74
Olds F-85 67-69
Omega 73-74
Sprint 71-72
Tempest 67-68
Ventura 71-74

It also says that the two piece fits were the one piece goes by using the backing plate for the two piece. It does not say the other way around.

Both of our '69s have the two piece rotors. The one we bought new and the other is low mileage and I assume it has the original rotors. The GM superceding part number might be a one piece unit. Be careful when restoring with GM superceding part number parts they will work but are not correct. The car we bought new was built very late in the production run in Baltimore. The other was mid-year.

[This message has been edited by Keith Tedford (edited 07-07-99).]

The thing about Hollander that ALL of you need to REMEMBER is this... Sure it shows the two piece rotor for Chevelle 67-72 will FIT.

...Hollander is an INTERCHANGE manual. It DOES NOT show that this is a 100% original application for each specific part. Just that this particular part will fit.

We all know that a 350 engine from a 1974 Caprice 350 will bolt onto a 1966 Chevelle right? Problem is though... 1966 Chevelles didn't come with 350's now did they?

Trust me on this one, even though I'm new to posting on TC, this is a GENERAL FACT known pretty much throughout the Chevy hobby.

I'm surprised that it ISN'T part of the TC site where it helps show you what is and isn't ORIGINAL for given years when ID'ing (at least ONE of the things to look for as to whether a car at least has the original style disc brake parts).

It's a PRETTY important thing to go by too. If I were looking at a '66 or '67 SS396 some guy was trying to sell me that was supposedly 100% bone stock original, and I saw that it had a front disc brake system that had one piece rotors with single piston calipers, I would KNOW this guy either..

(a.) Didn't know jack, or...

(b.) He DOES know and hopes I don't know jack, & is more than likely trying to put the screws to me, & more than likely there's someting ELSE not quite right about the car.

Isn't there anyone on TC that knows what I'm saying about the two piece/one piece rotors?

I understand that not everyone has been around the hobby as long as I have. And NO, "I Don't know everything", nor "do I profess too".

Thanks, Len

See, http://www.chevelles.com/forum/Forum7/HTML/000531.html

That (1969) was also the change-over year for one piece rotors as well.

'nuf said? Probably not!!

Thanks, Len

[This message has been edited by Len (edited 07-05-99).]

Len, maybe not.. my 69 El Camino SS/396 single piston, had 2 piece rotors. I replaced them with 1 piece rotors.
Still not enough said.

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ACES #2637
TEAM CHEVELLE #69

My original '1970 COPYRIGHT Chevrolet Service Parts Catalog shows only the two piece rotor design for '67-'69 Chevelle.

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Fred Aldrich
Web Site: www.GeoCities.com/~69_chevelle (http://www.GeoCities.com/~69_chevelle)