ABS retrofit

[Bob Wooten]

I had a F150 towing special that had the rear only abs & they were much more
a nuisance that they were worth.  The abs kept warping the front rotors (how
I don't know, but it did).  I took it to the dealer 3 or 4 times & finally I
just turned it off (removed the fuse) the down side to that is that you get
the abs light on the dash, but 2 minutes to take the little plastic piece
off the dash & 2 Milli seconds to smash the bulb into tiny bits & I was good
to go:).  If you are going to do it I would suggest a different avenue.  I
would save the $ & buy some massive rotors or do a disk conversion on the
rear end.  I guess that there are a number of people making custom brackets
& using the new style F150 rear calipers on semi factory rear ends.

BW

-----Original Message-----
From: owner-diy_efi at diy-efi.org [mailto:owner-diy_efi at diy-efi.org]On
Behalf Of Ludis Langens
Sent: Saturday, June 30, 2001 12:38 PM
To: Diy_efi
Subject: ABS retrofit


Is it reasonable to retrofit antilock brakes as part of an EFI
conversion of a truck?  The donor would be a 1989 F250, the recipient a
1973 F250.  This particular system is real wheel only ABS.  It has an
ABS computer under the dash, some sort of brake line pressure modulator
just after the proportioning valve, and a reluctor type pickup in the
top of the differential (presumably sensing the ring gear teeth).

After the retrofit and EFI conversion, the donor and recipient would
both have the same engine, same wheelbase, similar weight rating, and
possibly the same transmission.  I believe the 89 has a Ford designed
rear end.  The 73 has a Dana 60.

--
Ludis Langens                               ludis (at) cruzers (dot) com
Mac, Fiero, & engine controller goodies:  http://www.cruzers.com/~ludis/
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