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Board index » All Posts (JWL115C)




Re: Rear axle help (54-55)
#1
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JWL
One only needs to set the axle shaft end play on one side. Perhaps the shims are on the other, yet to be disassembled side.

Posted on: 4/8 11:16
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Re: Ultramatic Disassembly
#2
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JWL
I installed transmission oil cooler lines on a non-Packard (31 Ford Model A Roadster Hot Rod) with a SBC and GM TH-350. I used "rubber" hose for the job. It is a special cooler line rated hose. Made the job much easier than trying to fit metal tubing. Worked well for me.

Posted on: 4/8 11:14
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Re: Spark plug wires-1955 V8
#3
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Quote:

Randy Maull wrote:
UPDATE: Well what Kanter sent me (and I installed) was the RH18Y plugs, so I going to presume these are merely resistor plugs and that all will be well.
Next on tap: putting the valve covers back on, then the new wires, finally get into the distributor. Moving along slowly but surely!


RH18Y: R=Resistor, H=7/16" Reach, 18=Heat Range - hottest in the series, Y=Projected Electrode. RH18Y has a longer reach (threaded area) than J18Y which is a ⅜" reach plug. I may have been mistaken about using J18Ys in my 55 Clipper. The parts cross-reference shows H series Champion plugs for the V-8 along with the N series (depending upon which cylinder head - early or late). You don't need or want to use resistor spark plug cables with the resistor plugs. Plugs or wires, but not both.

Posted on: 3/30 13:50
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Re: SPEEDO REVOLUTIONS PER MILE
#4
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JWL
I think HH56 is correct: 1,000 rpm per mile is the standard.

Posted on: 3/30 13:31
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Re: Jean Marais' 1955 Caribbean and other French V8 Packards
#5
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JWL
20 is abbreviated for 200 KPH which is about 125 MPH. Export speedometer?

Posted on: 3/27 12:38
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Re: Spark plug wires-1955 V8
#6
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JWL
Quote:

Randy Maull wrote:
Thanks JWL, was wondering what kinds of plugs you are using also, I got mine from Kanter, ended up being Y18's (Champion), I suppose the H10's are long obsolete. They (Y18's) are a bit "taller", the electrodes add about 3/8" onto the threaded length, I suppose this is no issue at all. Never been a fan of Champions, yours look like AUTOLITE?
Noticed also that you have the linkages off from the carb, probably to facilitate getting at the distributor for the tune up...I am assuming.
Most of all thanks for the response, it is nice to see someone actually is active in this discussion yet !!!
Randy
Matteson, IL


I believe they were Champion J-18Y. I changed the silver color of the plugs to black to more resemble what the plugs looked like back in '55. Packard changed cylinder head design somewhere along the line. They went from a machined combustion chamber to cast finished and went to a longer reach spark plug. You do not want to put the shorter reach plugs in the newer heads nor do you want to put the longer reach plugs in the older heads. Someone here with more recent and relevant experience will clarify what I just wrote.

Good Catch on the missing throttle linkage. I had removed the carb and manifold and needed to finish connecting things.

Posted on: 3/25 14:40
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Re: Spark plug wires-1955 V8
#7
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JWL
Quote:

Randy Maull wrote:
Thanks JWL, was wondering what kinds of plugs you are using also, I got mine from Kanter, ended up being Y18's (Champion), I suppose the H10's are long obsolete. They (Y18's) are a bit "taller", the electrodes add about 3/8" onto the threaded length, I suppose this is no issue at all. Never been a fan of Champions, yours look like AUTOLITE?
Noticed also that you have the linkages off from the carb, probably to facilitate getting at the distributor for the tune up...I am assuming.
Most of all thanks for the response, it is nice to see someone actually is active in this discussion yet !!!
Randy
Matteson, IL


My memory tells me they were Champion J-18Y. The J denotes the ⅜" reach, the 18 is the heat range and the Y is for the projected electrode. I colored the silver finish to black to resemble the original color of the plugs back in the day. Relying on memory again, I believe Packard changed the cylinder head design mid-year. The went from a machined combustion chamber to a cast finish and the spark plug reach was changed to 7/16". You do not want to put the shorter reach plugs in the newer heads, nor do you want to put the longer reach plugs in the older heads. Someone here with more recent and relevant experience will clarify what I just wrote. Jack Vines??? Good catch on the missing throttle linkage. I had removed the carb and manifold and needed to finish hooking up everything.

Posted on: 3/25 14:33
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Re: Final gear ratios for 5th, 6th, and 7th series Packards.
#8
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JWL
Good point, Peter. The engine will not develop enough power if the gear ratio is too high. This would necessitate shifting gears more often.

Posted on: 3/25 14:14
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Re: Final gear ratios for 5th, 6th, and 7th series Packards.
#9
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JWL
I have always been of the idea that going to a higher gear ratio (lower numerically) in a pre-war vintage car would be to slow the engine speed for a more comfortable drive and less wear and tear on the engine. I know in later model cars some change to a "high speed" ratio for higher speeds, but pre-war vintage Packards were not made for this use.

Posted on: 3/24 12:51
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Re: Spark plug wires-1955 V8
#10
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Click to see original Image in a new window


Note wires for #5 and #7 have been separated to mitigate current induction between these two cylinders.

Posted on: 3/21 13:28
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