mlander
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Quote from :boler76
Could some one supply me with engine tune up specs,,, timing, point and plug gap, plug make and # and any other data that is available would be greatly appreciated Thanks
1927 Pontiac 6, sparkplug GM AC-78 .025? Distributor gap .022?
The sparkplug above is listed as original equipment and is a 7/8?-18 threads per inch with a heat range number of 6.
One source for Champion numbers is at;
http://www.antiquetractors.com/Research/Spark_Plug_List.htm
They list the Champion number as W-20. I just bought a Champion # W-18 and it is one BIG sparkplug it must weight twice as much as an ordinary 14mm plug.
It has an extended skirt and a reach of 9/16? measured at the thread run out area.
I have never seen a W-20 nor an AC-78
The Autolite book claims the number is 3076
I will on Tuesday get an AC-78 just to see how much difference it is from the other two! I am very curious.
Yours M. L. Anderson
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Quote from Art;
If you are thinking vintage racer, and want to be not only accurate, but also have shocks that would hold up in a vintage event, go friction shocks. Those early Houdaille and other rotary or dual-piston shocks wouldn't last very long out on the track, before they either boiled or simply pushed out their fluid. For that reason, hydraulic shocks didn't make the starting grids on US racetracks until the advent of tubular shocks, certainly not before say, around 1940-41 or so.
Art
The pictures defiantly show a Gabriel Rotary Double Action Shock. Just like the ones on the Stutz up in Las Vegas. You can?t read the name written on the shock as I did on the four in Vegas but that is due to the poor picture quality. The picture is some 76 years old.
So far I have found the shocks were used on Nash, Lafayette and Hupmobile + Stutz. There may have been other cars that used the Gabriel but research will tell.
Burton finished only four laps in arrears at the end of the race, which I consider a real achievement in any event with a car of that was under horse powered compared to the other cars.
Finished 11 Started 16 Car #38 Burton, Claude® Oakland chassis/Oakland V8/ Owned by Ira Vail
Flagged @ 196 laps..... $550..... 95.087 m.p.h
I doubt he even had a racing cam so he didn?t have much going for him.
Likely the removal of so much weight and the removal of the drag portions of the body did him a lot of good. The removal of the front fenders looks like it was good for an additional 10 miles an hour as the car was only good for about 75 M.P.H. in standard trim.
Yours M.L.Anderson
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The shocks John is talking about are similar to these except they
were manufactured by Gabriel.
http://www.tocmp.com/manuals/Ford/Haudaille/index.html
or these
http://www.applehydraulics.com/houdaille.htm
or these
http://www.applehydraulics.com/houdaille.htm
M.L. Anderson
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From an old GM AC 1945 sparkplug chart and the Buick section only.
1945 issue Passenger cars --1924-1942
First 8 denotes the 18mm series, second number denotes the heat range
and since there is no letter after the second number it has a 1/2" reach.
1929-30...................AC-88
1931 thru 1937..........AC-86
1938-39-40-41-42.... AC-46
Also at this time there was
a big fiasco on the 10mm plug!
According to the Buick book by
Automobile Quarterly, page 226
thru 227 which explains the
problem and its cure by Buick.
This was to drill out the 10mm
sparkplug holes and retap them to
14mm and use the 14mm plugs
numbered AC-46.!
According to my 2005 NGK catalog the AB-6 sparkplug has a reach of only
3/8" whereas the proper reach for an AC 86 is 1/2" or a 1/8" difference a
decimal equivalent of .125". The AB-6 is for a Champion "J" series sparkplug!
M.L. Anderson
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Aren't you trying to cover too much of a time frame?
All the way from 2 cyl. cars to 4 cyl. to 6 cyl. and then to straight eights, V-8s, V-6s!
Just getting a car to run at first was a good achievement. It would seem that starting to put them in a particular time space would be a better picture of the total achievement.
1904 through 1925, Two and Four cyls. 21 years.
!925 through 1930 Straight Sixes, 5 years.
1931 through 1953 Straight Eights, 22 years.
1953 V-8s, V-6s and all others. 53 years.
M.L. Anderson
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Faxon sells manual for these cars! The phone number is 1-800-458-2734.
M.L. Anderson
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Post deleted by mlander
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Finding the correct sparkplug is a real chore sometimes unless you have a car
newer than 1950.
This is for an AC G series from a sparkplug chart in an old Audels book dated
1951. Primarily for Pontiac but may apply to Chevy but not Buick. If anyone is interested
I will print the whole thing if I can. Yours M.L. Anderson.
Directly form 1945 AC Chart & a Chart on the Internet.
Cold at the top and progressivly Hotter toward the bottom!
AC 1945 interchangeable chart!
AC G-1, G-1 ½, & G-2 replaced by AC-81 Champion No # none
AC G-2 ½, G-3, & G- 3 ½ replaced by AC 82 Champion #D-6
AC G-4 ½ & G-5, replaced by AC-83 or 83-S Champion #D-9
AC G-6 & G-7 replaced by AC-84 Champion #D-14
AC G-8 replaced by AC 85
AC G-9 & G-10 replaced by AC 86 & 87-S Champion # D-16
AC G-11 & G-12 replaced by AC 87 Champion # D-21
This plug G-12 is standard on 1930 &
1931 Oakland V-8s.
AC G-13 & G-14 replaced by AC 88 Champion # D-23
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The only person that knows anything about old old sparkplugs before 1935 is
Donald McKinsey
P.O. Box 94
Wilkinson, IN 46186
He sells information for sparkplugs and the sparkplugs themselves and is a fair individual in my estimation.
Yours M.L. Anderson
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For anyone who knows I have question, "Was there a DeSoto V-6 I am in very grave doubts about that one!
M.L. Anderson
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I really don't know why these cars needed a Gasolator as my search of the Internet revealed that they seemed to be used primarily on Airraft. I can see this is a need on aircraft as if the engines fails the only way to is DOWN. The word DOWN in aircraft is sometines spelled CRASH. Anyway there are many of them at very high prices on Internet, see below.
http://www.greatplainsas.com/scfuel.html
http://www.stevesaircraft.com/gascolator.htm
http://www.aircraftspruce.com/catalog/appages/acsgascolator.php
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Quote;
Just wanted input on what it might be worth. It is complete, but in need of restoration or hotrodding. Was this the first year for a V-8 for Oakland? And does the motor have any value by itself? Thanks in advance for your help!
Any object is only worth what the buyer is willing to pay!
Why don?t you show a picture of it from the side and if possible the engine compartment.
Does the engine turn over with the starter or the crank as this model was sold with a both. If it turns over have you had it running?
You don?t provide very much information as to its full and true condition.
M.L. Anderson
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After I wrote the item about the Autopulse electric fuel pump I made a more through study of the Internet for the ?Vacuum tank?. I then found that I was looking at a big bunch of information on the ?Vacuum Tank? which I finally noticed that I was looking under the wrong name for the system which is, ?The Stewart Vacuum Fuel- Feed System?.
This was the system I believe was on my fathers old 1926 Buick. Which also was a mystery to me as to how it worked as I was only about ten at the time before my father sold it and purchased a 1937 Buick four door Century?
I then found the address of the Dykes Manual and the significant page showing the ?Tank? and all of its fittings Gas/Vacuum lines and etc. This showed the working of the ?Tank? which in actuality is a very large fuel pump inside of a comparatively large ?Tank.?
The address of this is at:
http://www.old-carburetors.com/1927-Dykes/1927-Dykes-072.htm
After seeing this, the mystery was finished and the internals of the ?Tank? was given away when the diagram showed the vacuum line to the intake manifold which revealed the power source of atmospheric pressure and also the control mechanism of the float system. It is also no wonder that a valve was needed at the outlet of the tank as there is a considerable amount of gasoline in the bottom of the tank to supply the carburetor and if the needle valve in the carburetor is leaky I am sure we all know what is going to happen. One thing again is to hope for no spark in area.
Yours, Marion Leslie Anderson
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Does anyone know just what year of engine this is?
M.L. Anderson
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What year is it?
And is it an Oldsmobile V-8 for sure?
We are interested in general things that are not in the Standard Book of V-8s.
One thing I am interested in in particular is the sparkplugs and just what size are they?
http://insider.speedtv.com/viewtopic.php...&highlight=
M.L. Anderson
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I figured out it is a Maxwell 1918 Model 25, but what kind of a distributor is it? Can't you take a picture of the one you have and just what is stamped on it, if anything? You don't give anyone a chance to figure out just what it is!!! M. L. Anderson
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I have a manual on the 1929 V-8 Viking and on the Oldsmobile. I bought it but have no car. I was only doing research on the old V-8s and purchased it as a source volume. Do you need it?
M.L. Anderson
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There are only a few of the posts on the Internet for Generator cutouts but I only tried one. It seems that several people rebuild them with modern solid state internals!!
http://www.classicgenerator.com/
http://www.jimcotest.com/ji-gvr01.htm
http://www.kanter.com/packard/pac-sen.html#4
I had an old Buick (1931) with an old style cutout a real pain as I would be going down the road on a real dark night and the lights would dim. @#$%^&*()+_":><?.
M.L. Anderson
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There are a lot of spots on the Internet about Electric Fuel Pumps probably several hundred, lots of duplicates. All I did was to search for Electric Fuel Pumps.
http://www.car-stuff.com/fuelpump.htm
http://www.nextag.com/carter-fuel-electric-pump/search-html
M.L. Anderson
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In addition the the previous;
Motor Manual 1958 define ?Vapor Lock? as follows.
The term vapor lock means the flow of fuel to the mixture chamber in the carburetor has been stooped (locked) by the formation of vaporized fuel pockets or bubbles caused by overheating of the fuel by hot fuel pump, hot fuel lines or a hot carburetor.
The more volatile the fuel the greater the tendency for it to vapor lock. Vapor lock is encouraged by high atmospheric temperature, hard driving, defective engine cooling and high altitude.
A mild case of vapor lock will cause missing and hard starting when the engine is warm. Somewhat more severe vapor lock will stop the engine which cannot be started again until it has cooled off enough so the vaporized fuel has condensed to a liquid.
Marion L. Anderson
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There are other things that do the same thing as "Vapor Lock" possibly Coil, Capacitor, Fuel Pump Weakness or complete failure. My experience was on an old Dodge RedRam V-8 1953 in the dead of summer in Kansas City Mo. in about 1958.. After installing all I had to do was hear the fuel pump (Autopluse) go click click several times until it stopped then turn the key to start and it never failed to start after the Autopluse was installed.
Marion L. Anderson
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Arthur E. Anderson states;
And, even percolation is an incorrect term here, as percolating refers to the flow of liquid through another medium, such as water through coffee grounds, or rainwater (or other nastier liquids) flowing or seeping downward in the grounds.
I?m glad you put the word ?locks? in parentheses as the word I used is written/used in the Motor?s Manual 1958. The dictionary defines percolation as you state but I guess even the motor Manual people couldn?t come up with a better word. I believe that what they meant is the boiling vapor process as opposed to the have the coffee ground in place as the old lousy percolator still do the action whether or not the grounds are in place. And the liquid is under a small amount pressure to force the hot water up the tube and over the area where grounds are placed. Actually I believe we need a better word in any case.
Yours truly, Marion L. Anderson
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What kind of car is it? !923 was the year that Cadillac might have changed to z 90 degree crankshaft from a 180 degree crankshaft.
And for 1923, Cadillac pioneered the dual-plane V8 crankshaft. This meant that the crankpins were set at 90° instead of 180 as in all previous V8s. The dual-plane crank plus the addition of counterweights eliminated most ?rocking couples? and resulted in infinitely better balance, thus a smoother-running engine.
Have you tried Detroit Iron?
M.L. Anderson
1927 Pontiac 6 tune up specs
in General Discussion
Posted
Just got back from my local friendly NAPA dealer and found that the GM AC-78 may not be available but the AC 78S which is an extended tip plug is available ( I think).