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timkingsbury

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timkingsbury last won the day on April 6 2019

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About timkingsbury

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    Junior Member, just joined the forum !

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    fargopickupking@yahoo.com
  • Biography
    Co-Owner of AoK Racing
  • Occupation
    Automotive Engineer

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  • Gender
    Male
  • Location
    .AoK HQ - Fertigs Pa or Campbellville Ont
  • Interests
    Everything Mopar, Flatheads and oh of course..Smoking Chevys..
  • My Project Cars
    1949

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  1. Hey guys - after several messages, I have made it even easier and put up the specifications of the most popular cams we either cut, or in a the case of a couple, guys are just just curious what the cam spec is. Their all up there, from mild to out of this world wild! Enjoy! Tim Kingsbury - George Asche Jr The AoK Boys
  2. Since I have been asked by a few for specifications for some of our more popular cam grinds, or in a couple of cases, people are curious as to what the specifications are, here they are.... While a lot hide behind names of the cam they sell, honestly, happy to hand out the cam details. If you can find a computerized cam grinder you should be able to cut any of these from the detail... so as my Grandfather would say - knock yourself out! 1) .380 - Mild and we likely sell the most of these. It would be a .380 lift cam which is going to give you 4500 rpm. It’s closest comparison would be to the Isky 3/4 mile cam. It’s been around a long time and has a quicker rev over stock. It was historically for stock car racing. For most guys this is where George steers them, because most guys think they want power.. but they want to start their car and not hear it running. Tons of guys call this cam a race cam.. It’s far from that. The tech side = 242 duration and .380 lift 2) 400 - Higher lift and increased duration cam, which was use for drag racing in the later 50s and early 60s. Your starting to get a little lumpy at idle, it will idle down but you need a fresh rebuild as this is the point where your starting to test the limits of a flathead This is a modified version of the Scholler full race cam - stock car racing - Higher lift and increased duration (Intake - open at 18 degrees, closes at 54 degree. Exhaust opens at 54 degrees and closes at 18 degrees - duration is 252 and lift is 400 3) 435 - Tim’s 49 Plymouth & Harry Heins #90 cam. It is a little lumpy and still streetable, but it is definitely aggressive, with a .435 lift,so it will crank to over 6000rpm. This was a cam was developed from tweaking a full race cam from the 1950s and 1960s and was what Harry Hein #90 used at the end of his career. Harry is in the NASCAR hall of fame and George's uncle. Tech info - intake open 20 degrees closes at 58, exhaust opens at 58 and closes at 20 degrees. 258 duration .435 lift 4) 375 ½ mile “1023”- this was a stock car cam or the modified .375 cam increasing duration instead of lift, which will give you a more rev taking you to the 6000-6500 rpm range. It was for quick bursts coming out of the corners at stock car tracks. Barely idles at 1000rpm. Not for street use although it has been used by some on the street.. aka Harry Hein’s personal car. It was designed for use on ½ mile and longer tracks. tech specs - intake opens at 20 degrees and closes at 50 degrees, and exhaust opens at 57 degrees and closes at 13 degrees, Duration .250 and lift is .375. Stock lift (which is 375) and played with the duration and the intake and exhaust opening. If you ever decide to go blower, this isn't a bad cam. 5) 430 - Briggs and Stratton – Tractor Pull Grind was born out of looking at cams from different manufactures and believe it or not Briggs and Stratton made a high lift higher torque cam. Thus was born from using other performance Mopar cams and the Briggs and Stratton cam. Its an extreme lift cam, with big torque pattern at slightly higher rev than a stock Mopar truck cam. It is here where the engine modification has an effect on engine vacuum. 320 duration 430 lift. This cam would likely be questionable to putting it on the street. 6) 446 – This is the most extreme cam likely ever made for a Flathead Mopar - We call if the AoK Velociraptor Grind . It is tough to get it to idle below 22-2300 rpm, and we have with a ton of work gotten our dragster to idle around 2000 rpm. It will rev to 7200 + rpm and we have tossed almost 1500 cfm of carburation at it. You can run an engine on alcohol and will need 3 carbs and need to shift to 6 exhaust pipes for at least 42” and if it’s going into an exhaust system it will need to be large duals after the 42”s of 1 ½’ pipes. Tech info - intake opens 30 degrees and closes at 70 degrees, and exhaust opens at 70 and closes at 30 degrees, 280 duration and 446 lift If your running 3,4,5 or 6 - you may want to print yourself off this bumper sticker!
  3. Im honestly not sure about a 1979 dodge van. I know long ago when we were doing them here was the this of the a833's we had researched as working. I will attach that document. The overdrive configuration with a 23-spline input appeared in these vehicles: o 1975 to 1979 Valiant, Duster, Dart, Scamp, Swinger, Volare, Aspen (3.09:1 ratio first gear) o 1975 to 1987 Dodge light-duty pickups and Dodge and Plymouth Vans (3.09:1 ratio first gear) o 1977 to 1979 Diplomat and LeBaron (3.09:1 ratio first gear) A p20 bell housing should be just fine Unfortunately I do not have an adapter plate with me to check the hole size of it either.. Ill send you a pm and try and work through this for you. Chrysler a833 4speed.docx
  4. Well what is the a833 out of ? Is it one out of a mopar or the one out of a GM ? what bell housing do you have ? Is it one like in the bog above or this original version ?
  5. Howdy belvedere666 that black center section goes into the bell housing hole. Fred just sat the adapter plate on the tranny, but the plate would bolt up to the bellhousing 1st
  6. since I keep being asked for the technical breakdown of T5 transmissions I will cave and post it here even though its clearly not what this blog is about. This is the splits of the average mopar 3 speed Plymouths 1936 – 1940 1st 2.57 2nd 1.55 3rd 1.00 Plymouths 1941 1st 2.57 2nd 1.83 3rd 1.00 Plymouth 1942 -1954 1st....2.57 2nd...1.83 3rd...1.0 reverse 3.48 T-5 Transmission Application Chart (attached) overdrive info - including a833 and t5 information.docx
  7. there are the splits of the aluminum a833 4 speed with overdrive and comparing to the earlier Plymouths factory 3 speed (without overdrive) Plymouths 1936 – 1940 1st 2.57 2nd 1.55 3rd 1.00 Plymouths 1941 1st 2.57 2nd 1.83 3rd 1.00 Plymouth 1942 -1954 1st....2.57 2nd...1.83 3rd...1.0 reverse 3.48 So here is the a833 primer stuff ! Aluminum cased a833's with overdrive started part way into 1975 thru mid 1987 Gear splits 1st: 3.09:1, 2nd: 1.67:1 3rd: 1:1 4th: 0.73:1 (Trucks used a 0.71:1 fourth) The overdrive configuration with a 23-spline input appeared in these vehicles: o 1975 to 1979 Valiant, Duster, Dart, Scamp, Swinger, Volare, Aspen (3.09:1 ratio first gear) o 1975 to 1987 Dodge light-duty pickups and Dodge and Plymouth Vans (3.09:1 ratio first gear) o 1977 to 1979 Diplomat and LeBaron (3.09:1 ratio first gear)
  8. Hi Folks - I likely should have updated this back before Christmas. 100% of the AoK triples are sold out. The 1st batch of those came out in 2000 and there has been 5 or 6 runs of them done. The triple is for the 25 1/2:" Canadian engine which starting in 1936 was on Chryslers, Desoto, heavier Dodge trucks and in Canada, add Dodge Cars, Plymouth cars (other than convertibles), all Dodge and Fargo trucks unless you were talking the super big block that is a series of 331ci, 377ci and later 413ci. The AoK dual carb intake for the USA 23 1/2" block has been out a few years and there are 2 or 3 batches of those made. Unfortunately the foam core casting supplier has changed from our original supplier. He retired after his wife passed away. The next supplier has gone up in costs, needed significant molding enhancements before they took over and now want even more changes. So until we resolve that situation, or find a new supplier were sitting sold out. We have a waiting list right now. It costs nothing to be on it. If we run off another round of both, then we will get people to firm up. I hate to say never, but it is possible a next run is a last run. From rock stock engines, right back to 1936 engines on the 25 1/2" front to full blown race engines, the AoK triple has proven its the best intake ever made for the Chrysler based flathead. The AoK dual will now around 5 years experience has shown in the field to be what our tests of over 25 intakes, from flow bench to dyno testing showed. It to is the best dual carb intake ever made for the 23 1/2" USA flathead Mopar and honestly there is nothing close. So if you want on our waiting list, please email me at fargopickupking@yahoo.com As a final note, right now we have 52 triples and 70 dual intakes on that waiting list that we started early last fall
  9. The Serial Number is for a 1954 Chrysler Windsor which engine was made in the Windsor Ontario Engine Plant and the car came from the Windsor Assembly plant. It was a 265 ci motor when it left the factory . 3 7/16" bore and 4 3/4" stroke That being said the serial as 55 Fargo point out on another one, was not applied at the factory. The factory used a jig which held all numbers, letters and any special character together so when the serial number was applied they were absolutely in a straight line. This is a restamped block. 1954 was the 1st year the Windsor had a v8 in it, although at least in Canada the 265 was an option. The part number that is cast into the block -1400229-1 was actual a part number used for the 238, 250 and 265 ci engines and was a block number casted from oct 1951 until 1955 actually. If you looked inside the block you would notice its been carved on the side which allows for the long stroke 265 crank and rods to have clearance. That same carving was done in advance of it being known which ci motor it would be. If you look closer to the oil filler tube, but down by the oil pan you will likely see a Letter (likely a D and then a number (1 or 2 digets) and then another number (1 or 2 digets) . That will allow us to figure out when the block was casted. You can also look up a little higher and see a clock face cast in the block and a code for what shift it was casted on. The USA engines are a lot easier to determine the casting date that the later Canadian 25 1/2" engines, but thats a long story that really doesnt help in this discussion Good eye... 55 Fargo your 100% correct. while the t137 is an excellent resource it really is, it is not without its gaps and Canadian engines are often part of that gap. A classic example would be looking at a 1949 Plymouth you will see a p18 shown as a 218. Without getting into a big debate, it really was known within Chrysler as a 217. The Canadian 25 1/2" engine was a 218. However the real point is I have a 1949 Plymouth that my great aunt bought brand new. Its a p18 serial number. It was neither a 217 or 218... In canada they were 228 ci 25 1/2" blocks. On the t137 site it would show the 1954 chrysler 6 cylinder as c62 and that is correct... Correct for engines which were shipped to the USA for assembly into a 1954 Chrysler. For engines that were going to the Canadian assembly plant in Windsor, they were marked c54. Hope that helps
  10. Anything with a date after august 1951 is the best blocks made. A bypass oil filter does a better job of filtering oil, but a full flow starting in 1954 model years will see all the oil passed through a filter. You can drill into a by pass block and put on a full flow on it. Here its done on a 1949 Canadian Plymouth block, which started its life as a 228 and is now 125 thou over bored 265. You can run both a bypass and a full flow if you like. There are 265s with either configuratons that you can consider as durable as anything ever made. All of the Canadian engines after ww2 in the 25 1/2" series are all forged cranks, balanced to 1 gram, forged pistons (from the factory unless ordered by a secondary manufacturer) and balanced assemblies of crank, rods and pistons. You will see lots referring to combines and industrial engines. You can get into engines that are purpose build, maybe with sodium valves and low rev cams. Often industrial engines have cams to meet a specific hp configuration but also a per hour fuel consumption number will have a specialty cam. It is the cam which a lot miss and there are a huge catalogue of cams that were ground for the 25 1/2" engines. The whole topic can be an explosive one and everyone has an opinion. Sadly I find a lot of opinions can be without any experience or expertise behind them. As I have read your posts you talk durability, but then I see the thread going in the supercharger and other directions. I will take a slight tangent here to say, that once you move any engine into a turbo or super charger arena, a cam with a certain number of degrees of separation between when an intake closes and exhausts opens, and visaversa on exhausts closing and intakes opening, become critical if you doing much more than using them as jewelry. By that I mean if your just putting it on with a tiny boost as many have ok.. In those cases I can get way way more power out of a naturally aspirated engine. But if your going to start cranking up pressure, you need separation and no stock cam was ever cam with such seperation. We are happy to provide without charge the specs for at least a couple of cams for superchargers or turbo charges. After that, drop me a note any time.. fargopickupking@yahoo.com and happy to discuss further.
  11. Well you make some interesting observations. On HP your numbers are not quite correct and what was published was for the 265 coming out in 1952 under valued and with a purpose. I have uploaded many times and can send it to you, the 1952 poster which was the start of the 265 and as well the start of dual carbs and factory dual exhaust, but also 241 dodge hemi. The Hemi for what they called the medium tonnage field was primarily municipalities and contractors, dump trucks etc. It w4 ould come out at 133 hp. The 265 for the truck with the truck cam and dual carbs and dual exhaust was 155hp. That not a guess, thats a fact. But marketing said if you say that we will never sell the hemi, so we want it cranked back. At one point the poster was the hemi at 133 and the 6 and 132, but when it hit the dealers in December of 1951 the 6 was tucked into the corner and was shown at 136 hp. Pure marketting. No difference to the 1964 426 hemi being called 425 hp with a single 4 barrel, and in 1966 with a wilder cam, 2 4 barrels it was still 425 hp. That of course was for insurance purposes. In any case I digress. The 265 from the factory with a chrysler car 265 cam in it, was the most hp of the 23 1/2" or 25 1/2" engines. But connecting rods.. You are correct, the shorter the rod the bigger the angle. Now its the balanced crank, rods and pistons that offset your concerns it really does. Think about it.. GM, FORD, you name the manufacturer.. Who else had forged cranks balanced to a gram.. answer no one.. Back to your point.. Let me just say that in the 238/250/265 series engines, they are all exactly the same bore.. 3 7/16" If your having custom made forged pistons made well what you do is take a 238 rod, and raise the pin placement on the pistons. Longer rod and better angle. It doesnt work with a 218 and a 201 is smaller rods bearings so not relevant. The point being on that one point your correct.. long the rod the better.. if.. key word if you not negatively effecting displacement. As so many would tell you, there is no replacement for displacement.
  12. Hi - Well in the 25 1/2" block engines.. the 201 you maybe referring to was moved from USA production to the Windsor Ontario Canada plant when it opened in 1935 for the 1936 model year. that engine was produced for 14 months out of that plant. Among other things you may wish to consider.. The crank has smaller journals, the water jackets, are smaller. the oil galleys are smaller.. It really would be the weakest of all engines ever produced out of the Canadian Plant. When I say that I am quoting my Grandfather who would be the GM of that engine plant when it opened in 1935, reporting directly to Walter Chrysler (and not the VP of production) and he would still be in charged of the engine plant when the very last 25 1/2" engine rolled out of the plant on Nov 11 1959. The 230 was 23 1/2" block so not relevant to the big block discussion, beyond the small block has offset rods. With the 218 and I am assuming your are referring to the Canadian 25 1/2" 218 and not the USA small block 23 1/2" engine that are 217 that are often called 218s. The next generation block would actually be a changed version of the 228 ci motor which started in Windsor in early 1936. That is often referred to as a generation 2 block. Definately better than the 201 engine, but there would be a number of changes to the engine blocks and internal configurations. Even the 1946 250 ci motor has a different block than would a 250 ci motor made after August 1951. It would be that later block which has the best water jackets, best oil circulation, reworking of oil passages and on and on. By that point you could get a 218, 228 or the series of 3 7/16" bore which would be the 238, 250 and 265 ci motors. The difference is the stroke which is accomplished by changing rods, and cranks. 4 1/4" being a 238, 4 1/2" being a 250 and 4 3/4" being a 265. But there is no question the best ever flathead engines ever built are those generations. Among other things and I could give you a laundry list.. Your talking forged cranks balanced to 1 gram, forged pistons, rods, pistons and cranks as an assembly balanced to 1 gram. That never existed with any other flathead engine anywhere in the world. In fact my Grandfather often said - I defy anyone to find a more balanced engine in the planet that came out of my plant. So if stroke becomes where you wish to draw your battle line.. best try with the 238, 250 and 265 motors.. But by 1953 the vast majority of all orders for heavy trucks, commercial vehicles, municipal vehicles, industrial engines, for welders, water pumps, combines, and on and on were 265s. One can point ot military orders of 250s and I would suggest the reduction in price was the factor. They didnt want to pay the extra $. One last one, of total production of any single motor the 265 was produced in a volume larger than any other single motor configuation from the Windsor Engine plant. From 1946 until the end of the flatheads, the Windsor engine plants warranty numbers as a % of production was not only the smallest of any Chrysler engine plant by over 98% but the smallest of any engine plant in North America. The reason was simple.. Build it better, balance it better and you will get less back. Tim Kingsbury
  13. Well after my 7th note from someone I guess I will wade in. I have no idea what Don's picture is or what the story line there is, but here Here is the answer to your question. Yes, every single dual carb dual exhaust manifold that came from the factory was equipped with govenors and balance tubes. You could buy the intake assembly which was the intake and balanced tube, the exhaust maifolds (front or back) as individual assemblies from dealers. Lots of stock car builders would drop the govenors. If you also drop the balance tube as many do, you will find you loose torque and hp. You will gain rpm if you are simply removing the balance tube from the truck engine that it came from the factory with. But and here is the key but, all of those engines that came equipped with the setup and purpose built cams. So you only need to take a cam from a 1952-1953 chrysler and put it into the truck engine to raise the rpm, keeping the torque curve. It actually will develop 8 more hp with nothing more than that cam swap. Again, I am not talking putting in a custom cam or making any other changes, beyond putting in the period car cam into the truck engine. The dual carb/dual exhaust intakes were all produced in Windsor Ontario Canada, and were available at dealers as parts starting in march 1952. I clearly cant speak to all dealerships but can say the Wellington Motors in Guelph Ontario Canada could still get you the dual carb setup in june of 1974. I have a receipt for a complete setup purchased that way.
  14. George Asche can make you one out of your stock intake, You can do it integrated with your exhaust and split them internally and added a second pipe, or do it with headers. In terms of an aftermarket intake, Eddie Edmunds made a decent on and I do see them up for sale from time to time, although they tend to be pricy. The factory dual carb and dual exhaust manifolds that came on the 1952-1956 trucks are also available from time to time, but big time pricy. I know a guy who has a fully restored setup, from carbs to linkage to cross over pipe and dual exhaust but your looking at $3500. The fentons or offy or other low profile intakes I wouldnt touch with a ten foot pole. They loose too much torque. In terms of our AoK plans, we wont be making a dual carb intake. Our triple works so well on everything from a 201, though to the later 238/250/265 series it just doesnt make financial sense for us to develop a dual. Finally sorry for the late reply. I have not been on the forum much this year.
  15. We have had 1950 Plymouths that required nothing, and 1 that required a bit of modification (grinding) on one sport of the cross member. I am not sure if the case of some of the A833 transmissions have slight differences.
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