Phone is
805 987 7867. Call or email him with your issue and I bet he will respond, he did when I contacted him and was very helpful. Ruth
On Sun, Sep 23, 2012 at 7:04 PM, TorqueChap
<TorqueChap@xxxxxxxxx> wrote:
Looking to tap this group's collective brain trust on an issue that has had every mechanic stumped from coast to coast. (No exaggeration.)
My '64 300K Ram has an AAJ front disc brake conversion done by a prior owner. However, the car's unique brake system (with remote booster under the driver
side front fender) creates a situation that doesn't have an
off-the-shelf solution that properly applies correct pressure to the
front discs and the rear drums. The proportioning valve isn't an
adequate solution in this case. Due to residual pressure in the master
cylinder, a front disc conversion will create either drag on the rear
drums or not provide sufficient breaking power to the rears. There is no
middle ground. Spoke at length with both AAJ Brakes who ultimately
recommended that I confer with Jeff Carter (JC Automotive). Jeff was totally stumped as
well and said that no clear solution exists in the marketplace. This sentiment was echoed by several other folks I've since conferred with (including more technical members of the 300/letter car clubs).
Here's a description of the problem, in verbatim, from my mechanic:
"Disc brake conversion
on 300K ram not typical. 1963-64 letter car brakes. Front drum to disc conversion
plumbing problem. Unlike typical conversion. Master cylinder to REMOTE
BOOSTER has a single tube line to remote booster. Then from remote
booster single line supply only is connected to typical distribution
block for 2 front and one rear supply lines. Therefore typical
conversion from dual master cylinder supply to rear drum(residual
pressure) and Front Disc (no residual pressure) with remote booster is
not feasible? Question is then of logistically plumb?"
Solutions for F/G letter cars do not apply to the J/K series. It's the K's remote power boost which is causing the problem. Mopar went with a remote boost since there was no room under the hood with the cross rams.
Trying not to double back and reinstall drums on the front OR convert the rears to disc. Have to think there's a solution on how we can properly plumb the Ram K to accommodate front disc brakes and rear drums.
Appreciate any and all thoughts. Double points for any solution that let's us use a dual master cylinder. Thanks in advance for the help!
David M.
New Jersey
300K Ram Convt AC
300L Convt AC
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Please address private email -- email of interest to only one person -- directly to that person. That is, email your parts/car transactions and negotiations, as well as other personal messages, only to the intended recipient. Do not just press "reply" and send your email to everyone using the general '62-'65 Clubhouse public email address. This practice will protect your privacy, reduce the total volume of mail and fine-tune the content signal to Mopar topic. Thanks!
1962 to 1965 Mopar Clubhouse Discussion Guidelines:
http://www.1962to1965mopar.ornocar.org/mletiq.html and
http://www.1962to1965mopar.ornocar.com/general_disclaimer.html.
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