Author Topic: Changing from a 4 to a 6 cylinder  (Read 11080 times)

joefrazer

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Re: Changing from a 4 to a 6 cylinder
« Reply #15 on: August 31, 2011, 08:14:36 PM »
Allstates used Delco ignition parts...with a caveat...the voltage regulator was an Allstate branded unit but made by Delco.

Quadromaniac

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Re: Changing from a 4 to a 6 cylinder
« Reply #16 on: September 01, 2011, 08:02:44 AM »
My 53 Allstate 4 has Delco on it, but I am not sure if this motor has ever been changed. The head does not say Allstate. It says Willys Jeep.

Jim B PEI

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Re: Changing from a 4 to a 6 cylinder
« Reply #17 on: September 01, 2011, 08:16:27 AM »
I noted Corsairdeluxe's comments on the 4 cylinder with interest. 2000 RPM under load maximum! WOW!! No wonder few survived for long. I take it that this same engine would have been in some of the Jeepsters, but in that application wasn't overdrive a given??  I can't imagine the 4 cylinder even back then in HJ not having an overdrive...

With standard OEM tires, overdrive, and a 4.27 and/or 4.55 rear axle, does anyone know what that translates into MPH? I'm missing a few figures, so can't figure it out on my own.
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Corsairdeluxe

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Re: Changing from a 4 to a 6 cylinder
« Reply #18 on: September 01, 2011, 10:54:42 AM »
Another peculiarity of the 4 cylinder is the pitiful design of the oil filter. All of the oil sent to the bypass filter comes frpm a tap off the #1 cylinder oil gallery. The higher the rpm the more efficently the #1 cylinder is robbed of oil.
Jim Brown aka Corsairdeluxe
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Fid

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Re: Changing from a 4 to a 6 cylinder
« Reply #19 on: September 01, 2011, 11:41:30 AM »
My '52 Henry J Vagabond was originally a four cylinder without overdrive. I purchased it ten years ago off ebay (many forum members may remember) and it had 39,000 miles on it, which I believe to be accurate (how many miles can you put on a four without OD?).  I drove the car 60 mph on the highway to take it to my brother-in-law's shop to have new tires put on it.  It made it there and halfway home! The number 2 rod bounced through the pan and the block.  When I pulled the engine, it was obvious that it had already been repaired once (the piston was knurled and there was no ridge on the bad cylinder wall). You might say it was converted from a 4 cylinder to a 3 cylinder first! A six cylinder engine with overdrive cured the problem and I've been enjoying it for 10 years now. I drive it on the highway at 65 - 70 mph all the time now. Drove it to a meet in Missouri Valley, Iowa a few  years ago, put 750+ miles on it on that trip and it did just fine. Since the 1951 four cylinders (and those '51s which were converted to '52 Vagabonds) all used the 41/9 rear end I did not have to change it when I converted it to a six with overdrive. If I had put in a six without overdrive, I would've had to also change the rear end to the 41/10.  Anyway, the car turned over 50,000 recently and has been great to own and drive. No regrets at all.
« Last Edit: September 01, 2011, 02:48:02 PM by Fid »
1953 Henry J Corsair Deluxe
Edgar Kaiser's custom 1951 Henry J
1951 Kaiser Special
1952 Allstate Deluxe

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AZ_HJ

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Re: Changing from a 4 to a 6 cylinder
« Reply #20 on: September 01, 2011, 01:40:20 PM »
FYI: Early 52 Henry J's and Allstates were still Autolite Electrical. The change over to Delco came during the 52 production year. There are service bullentins that note the serial numbers and such on the Henry Js. I am not sure if there is any data/documentation on the serial numbers for the change over on Allstates. I believe John Hewett has an early 52 Allstate with Autolite Electrical.
« Last Edit: September 01, 2011, 08:34:53 PM by AZ_HJ »
1948 Willy CJ2A Jeep
1952 Henry J Vagabond Deluxe
1953 Kaiser Traveler Deluxe

Fid

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Re: Changing from a 4 to a 6 cylinder
« Reply #21 on: September 17, 2011, 07:13:25 PM »
1953 Henry J Corsair Deluxe
Edgar Kaiser's custom 1951 Henry J
1951 Kaiser Special
1952 Allstate Deluxe

Need your classic car radio repaired? I repair vacuum tube radios

Quadromaniac

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Re: Changing from a 4 to a 6 cylinder
« Reply #22 on: September 19, 2011, 09:46:52 PM »
The thermostat housing did not sell. I actually thought about buying it, Not sure if it was worth the 20 dollars that he wanted. But he did relist it for even more, 25 dollars this time.Does anyone know what these are worth?

Fid

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Re: Changing from a 4 to a 6 cylinder
« Reply #23 on: September 20, 2011, 01:16:43 PM »
I will say those thermostat housings are tough to find. Being made of aluminum, they corroded easily in cars before anti-freeze was the norm. They usually sell for about $40 so it's a good price. I too noticed it went unsold and was relisted for more $$$ - that seems a bit strange. They're not easy to find.
1953 Henry J Corsair Deluxe
Edgar Kaiser's custom 1951 Henry J
1951 Kaiser Special
1952 Allstate Deluxe

Need your classic car radio repaired? I repair vacuum tube radios

Quadromaniac

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Re: Changing from a 4 to a 6 cylinder
« Reply #24 on: September 21, 2011, 03:34:46 PM »
I think he relisted it at a higher price because i let him know that I would bid on it next time he listed it. BIG Mistake on my part.

Quadromaniac

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Re: Changing from a 4 to a 6 cylinder
« Reply #25 on: September 28, 2011, 07:30:10 PM »
Well he relisted it at a buy it now for 3 dollars. It's now mine. Sometime it pays to wait.

Fid

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Re: Changing from a 4 to a 6 cylinder
« Reply #26 on: September 28, 2011, 08:04:10 PM »
Good for you!  It's nice when something sells at a good price and goes to the right place.
1953 Henry J Corsair Deluxe
Edgar Kaiser's custom 1951 Henry J
1951 Kaiser Special
1952 Allstate Deluxe

Need your classic car radio repaired? I repair vacuum tube radios

Quadromaniac

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Re: Changing from a 4 to a 6 cylinder
« Reply #27 on: February 23, 2012, 03:28:26 PM »
Well I just pulled the head off the 4 cylinder and there is a crack at the #2 exhaust valve. Looks like the 6 cylinder will be going in for sure. Has anyone ever tried the stitching tecnique on a block, and if so how did it turn out.

Quadromaniac

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Re: Changing from a 4 to a 6 cylinder
« Reply #28 on: February 23, 2012, 04:22:23 PM »
This is the crack

Quadromaniac

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Re: Changing from a 4 to a 6 cylinder
« Reply #29 on: February 24, 2012, 11:07:26 PM »
It's what I need, but it says local pick up and I live in Arizona. I have a 6 cylinder that I am going to install now. I just thought I would rebuild the 4 cylinder for a future project.