Re: [Amc-list] brakes

[Wrambler242@xxxxxxxxxxx]

Here's the specs on the exploder rotor.
Not sure how that compares to the big bendix stuff.
You'd still need to change to small bearing spindles.
Looking at the WJ specs it is almost and exact match for it!
That is also dead close to the Crown vic rotors.
I expect when I do brakes on the front of the Ambassador I will go with explorer 2wd rotors as the diameter of th ecrown vicsis slightly larger IIRC.

Part Number 145341 
    

 
     
Product Type FRONT BRAKE ROTOR 
 

    
Bolt Circle 4.5 
H&R or R R 
Minimum Thickness 0.965 
No. of Stud Holes 5 
Nominal Thickness 1.025 
Outside Diameter 12.01 
Overall Height 2.6 
Solid or Vented V 
Stud Supplied No 
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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