Re: [Amc-list] brakes

[Wrambler242@xxxxxxxxxxx]

Spec on a 78 Matador.
No sepcs on Bendixs site for the Concord AMX rotors that I could find.
If the 95 Crown Vic rotor sits in the same plain as the stock rotor when on a drum spindle you'd have to allow for a caliper bracket that moves the caliper out .2 and maybe a stock brakcet would allow for that, or maybe the rotor could be turned to reduce the diameter.

Part Number PRT1118 
    

     
Product Type FRONT GLOBAL BRAKE ROTOR 
 

    
Bolt Circle 4.5 
H&R or R H&R 
Minimum Thickness 1.12 
No. of Stud Holes 5 
Nominal Thickness 1.185 
Outside Diameter 10.813 
Overall Height 4.766 
Solid or Vented V 
Stud Supplied 1/2x20 
Style Full Cast 
 
 


--
Mark Price
Morgantown, WV
1969 AMC Rambler, 4.0L, EFI, T-5
2004 Grand Cherokee Laredo, 4.7L, Quadratrac II
" I realize that death is inevitable.
I just don't want to be around when it happens! "

 -------------- Original message ----------------------
From: Wrambler242@xxxxxxxxxxx
> The rotors on the big spindle car are how big?
> For 12" rotors I'd look at 90's Crown vic or 2002 Ford Explorer 2wd.
> I believe the Explorer 2wd rotor is supposed to be the smaller of the two and 
> more likely to work.
> I know a guy over on one of the forums used the Crown vic rotors and have since 
> heard that the explorer is a direct fit too but slighty smaller in diameter.
>   To use either of these you need to find drum brake spindles and knock the 
> drums off.
> I plan on investigating the Explorer rotor at some point in the near future for 
> possible use on the conv.
>   I was going to go with redrilled 99-04 WJ rotors, but the Explorers won't need 
> redrilled for the correct bolt pattern.
> 
> --
> Mark Price
> Morgantown, WV
> 1969 AMC Rambler, 4.0L, EFI, T-5
> 2004 Grand Cherokee Laredo, 4.7L, Quadratrac II
> " I realize that death is inevitable.
> I just don't want to be around when it happens! "
> 
>  -------------- Original message ----------------------
> From: adh@xxxxxxxxxxxxxxxxx (Sandwich Maker)
> > " From: Frank Swygert <farna@xxxxxxx>
> > " 
> > " []
> > " 
> > " To run the earlier brakes you need either a later or earlier
> > " (other than 75-78) spindle from a small car with disc brakes.
> > " Earlier big cars used the large bearings and spindles too, so
> > " you're looking for 71-74 Hornet/Gremlin or 79-83 Concord/Spirit
> > " parts to convert.  The big bearing rotors are available (check
> > " www.rockauto.com and AMC vendors), but cost a good deal more than
> > " others.  If you can find a 79-83 Concord/Spirit (or even Pacer) in
> > " a local salvage yard that's the best upgrade, with the 82-83
> > " preferred.
> > 
> > afaik all amcs used the large spindles and bearings only with the
> > bendix brakes '75-8 with ambos and mats maybe getting them early, in
> > late '74.  you're right otherwise.
> > 
> > there's a late-'70s-ish mopar rotor that uses the same large bearings
> > and should fit and should be more available, but it's ~1" larger so
> > caliper bracket work would be needed and i don't know about the
> > thickness.  would be an interesting experiment though.
> > ________________________________________________________________________
> > Andrew Hay                                  the genius nature
> > internet rambler                            is to see what all have seen
> > adh@xxxxxxxxxxxxxxxxx                       and think what none thought
> > _______________________________________________
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> 
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