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 Post subject: Re: 225...it dies!
PostPosted: Tue May 28, 2019 8:07 pm 
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Supercharged

Joined: Thu May 12, 2005 11:50 pm
Posts: 6226
Location: So California
Car Model*: 64 Plymouth Valiant
Hey Louis76, you've got a PM...………..


Lycoming exhaust valves are sodium filled. Continental isn't.

Lycoming exhaust valves run hotter than Continental.

_________________
Ed
64 Valiant 225 / 904 / 42:1 manual steering / 9" drum brakes

8)


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 Post subject: Re: 225...it dies!
PostPosted: Wed May 29, 2019 3:35 am 
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SL6 Racer & Moderator
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Joined: Sat Oct 19, 2002 12:06 pm
Posts: 7531
Location: Silver Springs, Fl.
Car Model*:
Louise76 wrote:
The cheap ones start at around $100.00 each.


Not to hijack this thread, but that price is not necessarily do to quality. I had to do a repair on a twin engine aircraft, some years ago. Actually I had to "supervise" the aircraft mechanic, as I was A/C certified, and he was not. The A/c system is the same as on a car (sanden compressor and all else). Needed a expansion valve and drier, which I had on my truck. Could not use them, as they were not FAA certified. Had to order and the price of the parts was 5 times what I would have charged, plus overnite shipping, and the aircraft being grounded for an additional 2 days. The parts were the same brand and part number as mine, but the boxes were stamped in red ink "FAA certified".

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Charrlie_S
65 Valiant 100 2dr post 170 turbo
66 Valiant Signet 225 nitrous
64 Valiant Signet
64 Valiant 4dr 170


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 Post subject: Re: 225...it dies!
PostPosted: Wed May 29, 2019 6:02 am 
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Turbo Slant 6
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Joined: Mon Jan 25, 2010 11:29 pm
Posts: 608
Location: Seattle, WA
Car Model*: 75 Dart SE (2),75 Swinger, 74 Dart Sport,91 Ram RV
True, Charrlie. The standard answer to the parts pricing is that the AC Delco part goes through a quality control inspection and gets its Cessna part number, making it now FAA certified. (What do you mean that Cessna never took it out of the sealed bag???) FAA certified mechanics are not necessarily certified to handle A/C systems, but must know something about those systems if they need servicing. That's when we call in the experts, like you, to do the job correctly. But we are still responsible for signing off the work in the aircraft logbooks. I'm very thankful for A/C folks who know more than I who are pro's at their job. Our local trusted A/C shop always got a kick out of working on the system with that big 6 foot propeller spinning around next to them. Definitely not boring.

_________________
"Louise", a 1976 Dart Custom project, (now sadly reverted to being just an "organ donor" to our other project Darts.)


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 Post subject: Re: 225...it dies!
PostPosted: Wed May 29, 2019 7:18 am 
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Turbo Slant 6

Joined: Thu Jun 07, 2012 4:29 pm
Posts: 620
Location: Houston
Car Model*: 68 Valiant
If you guys think aircraft parts are expensive and require a lot of paperwork....just try fixing something in the containment area of a nuclear plant, lol. You'll have a whole new understanding of paperwork and certs.


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 Post subject: Re: 225...it dies!
PostPosted: Wed May 29, 2019 9:08 am 
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Supercharged
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Joined: Sun Nov 03, 2002 9:20 pm
Posts: 12778
Location: Fircrest, WA
Car Model*: 76 D100
GregCon wrote:
If you guys think aircraft parts are expensive and require a lot of paperwork....just try fixing something in the containment area of a nuclear plant, lol. You'll have a whole new understanding of paperwork and certs.


This makes sense. If a car engine melts down, you are stuck on the side of the road. If a plane engine breaks own, you either don't get of the ground or you might die in a crash. If a nuclear reactor melts down, all life on the planet could end. I am watching the "Chernobyl" miniseries right now and it is truly terrifying. If we are going to have nuclea power plants, I have no problem spending the money and time to ensure they have quadruple redundancy and are as inspected as possible.


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 Post subject: Re: 225...it dies!
PostPosted: Wed May 29, 2019 9:17 am 
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Turbo Slant 6
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Joined: Fri Dec 30, 2005 2:49 pm
Posts: 970
Location: Houston, TX
Car Model*:
Since others have reportedly used these seals on exhaust valves with no issue, I'm guessing the lack of valve guide oiling is less of a problem with bronze bushings? They'd probably wear out faster, but at least you wouldn't see galling.

_________________
Somehow I ended up owning three 1964 slant six A-bodies. I race one of them.
Escape Velocity Racing


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 Post subject: Re: 225...it dies!
PostPosted: Wed May 29, 2019 11:42 am 
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Turbo Slant 6

Joined: Thu Jun 07, 2012 4:29 pm
Posts: 620
Location: Houston
Car Model*: 68 Valiant
This probably will be one of those failures that is never fully identified. I took the head to the machine shop yesterday, they called today after disassembly and said one of the other exhaust valves was on its way and the others didn't look great either. The intakes were OK still. Once the new valves arrive (today) it'll go back together with the umbrella seals....if it fails after that then we'll know whatever is wrong, it's my fault lol. I might look up the spec on the 'wiggle test' where you use a dial indicator to measure play in the stem....but I still think the clearance is in spec based on how it felt.


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 Post subject: Re: 225...it dies!
PostPosted: Sun Jun 02, 2019 7:02 am 
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Turbo Slant 6

Joined: Thu Jun 07, 2012 4:29 pm
Posts: 620
Location: Houston
Car Model*: 68 Valiant
Well....the engine is back together and running well. Now we just have to see for how long lol. It's kinda funny...I removed the head and replaced it and it went back together so closely that the valves didn't need any readjustment.

As a side note...it's amazing that cars like this were actually produced by the thousands and handed over to the general public as daily transportation. It really drives home the point that the world is a different place than it was in 1968.


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 Post subject: Re: 225...it dies!
PostPosted: Sun Jun 02, 2019 1:15 pm 
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Supercharged
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Joined: Thu Jan 27, 2005 8:32 pm
Posts: 7609
Location: SW Washington
Car Model*: 1965 Plymouth Barracuda, 1954 Dodge C1-B8
And in 1968 almost every neighborhood had a gas station with a service bay and folks familiar with dwell meters, feeler gauges and torque wrenches. As a young man a good friend of mine used to manage a gas station in Glendale, California in those days. He's 71 now.

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Joshua


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 Post subject: Re: 225...it dies!
PostPosted: Sun Jun 02, 2019 1:20 pm 
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Turbo Slant 6

Joined: Thu Jun 07, 2012 4:29 pm
Posts: 620
Location: Houston
Car Model*: 68 Valiant
Yep. Just imagine the average person of today taking their car in every 2 or 3 months for a 'tune up' or some other issue. There'd be rioting over it. And exhaust systems! I had a '58 Chrysler that had a big stack of all the receipts from 1958 through the 1990's. In the first 10 years there must have been 12 trips to the Midas shop including 6 or 7 new mufflers and several tailpipes.

I'll say this...the 225 is set up with the original Holley 1920 and the original points distributor. If the car is at all warm, I can reach in the window and crank it for about 1/2 revulution and it starts and runs strong. If it's cold, you have to press the gas once to set the choke, then it starts and runs the same. No computers needed!


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 Post subject: Re: 225...it dies!
PostPosted: Sun Jun 02, 2019 4:38 pm 
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SL6 Racer & Moderator
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Joined: Sat Oct 19, 2002 12:06 pm
Posts: 7531
Location: Silver Springs, Fl.
Car Model*:
I was talking to a 30 some year old "kid", about removing the lean burn from my 88 Diplomat, and saying I installed a earlier carb. He said "what's a carb"? Master auto tech :roll: :roll: :roll:

_________________
Charrlie_S
65 Valiant 100 2dr post 170 turbo
66 Valiant Signet 225 nitrous
64 Valiant Signet
64 Valiant 4dr 170


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 Post subject: Re: 225...it dies!
PostPosted: Sun Jun 02, 2019 5:48 pm 
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Turbo Slant 6

Joined: Thu Jun 07, 2012 4:29 pm
Posts: 620
Location: Houston
Car Model*: 68 Valiant
This happens all the time:

Young kid at fast food: What's your name?
Me: Greg.
Young Kid: Craig?
Me: No. Greg. Like Greg Brady.
Young Kid: (Blank stare)


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