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Everything posted by JBNeal
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High frequency flathead 6 engine vibration
JBNeal replied to PT81PlymouthPickup's topic in Mopar Flathead Truck Forum
I was told many moons ago that engine balancing starts with pistons, connecting rods and caps weighing practically the same, valve springs measured to within specs, and the crankshaft balanced. The next rotational mass to balance is the driveshaft, then the tires. Having engine and transmission mounts that are pliable enough to dampen vibrations is also required. After that, put on some blinders and crank up the radio cuz these beasts will never be perfectly damped...a little imperfection is what many folks call "character" -
vintage ford truck door latch spring...maybe an internet search of that might yield some interesting results
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Best Differential Gear Ratios and Why?
JBNeal replied to 55 Fargo's topic in Mopar Flathead Truck Forum
Duplicating Merle's setup is probably the most painless approach, but finding the correct differential unit is easier said than done. Swapping rear axles to get a higher speed gets a little tricky; upgrading to a T5 overdrive transmission can be a challenge as well; doing both can be a major undertaking...then ya will need to address the front brakes...and so the snowball rolls down hill...for what it's worth, I put new tires on Dad's 01 CTD then headed up I-35, going the speed limit, and was being passed on the left and right for 20 miles, by vehicles bigger and smaller, so there are always gonna be leadfoots about, no matter what ya might be travelling in -
TOOLBOX ARSENAL: I picked this up on eBay years ago
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TOOLBOX ARSENAL: Some of the documentation makes for good reading
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TOOLBOX ARSENAL: I was given this case of tools years ago and only recently took a closer look at it...manufacturing date of March 1959 was seen in several places, newest documentation appears to be from mid 60s, I'm thinking the batteries I removed from each of these are 50 yrs old and not leaking (which was clearly guaranteed on 2 of those batteries)...am looking forward to using these on the engine test stand
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Best Differential Gear Ratios and Why?
JBNeal replied to 55 Fargo's topic in Mopar Flathead Truck Forum
Gearing really depends on the engine's output...I had a '92 Dakota with the Magnum V6 5spd and a 3.23 rear axle, and the truck did fine all around and got over 21 mpg on the highway, running right around 2000 rpm...I swapped in a 3.55 Sure Grip, and the truck had a different character: acceleration from stops was much faster, it seemed to pull better and had good passing power but seemed to run out of zip when ya got over 67 mph, fuel economy topped out at 20 mpg, running right around 2300 rpm, but it seemed more fun to drive because the engine seemed like it had more torque available at lower speeds. So for that engine, 3.23 was good for cruising, 3.55 was good for hauling. The flatheads are no different in that their relatively low horsepower and torque peaks under 2000 rpm so they do not benefit much from high revving like modern engines. That's why these old beasts can pull decent with the tall gearing...I've had well over 2000# in the back of my 1ton, and that stock 230 with the 4.10 axle can get rolling no problem from a stop, but I don't get in too big of a hurry because I do not think those brakes are too effective at higher speeds. I think the general consensus is that the flatheads can travel modern highways with the 3.73 and the 3.55, but the 3.73 pulls hills better than the 3.55. The 4.10 axles that I am running on the 1/2 ton and 1ton do well on the mostly rural back roads that I travel, where topping 50 mph is usually done rolling down hill with a tail wind -
Fuel Additives to counteract modern fuel additives
JBNeal replied to Tubeviper's topic in Mopar Flathead Truck Forum
Not wanting to stir up the oil debate again, but the cheap oil in the USA is light years ahead in formulations than the straight weight oil that was available back in the 50s...so proper maintenance with a cheap oil and a quality filter nowadays should yield a long lasting engine...Marvel Mystery Oil in the crankcase does wonders for the engine innerds, and the MMO in the tank, from my experience, has a tendency to stabilize ethanol treated gasolines so that it takes them longer to foul, as well as decrease starting times -
File this one under "gee thanks for updating your website"... this is why I have trouble getting excited about things nowadays
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Roberts Steele Clester's Bernbaum's VPW additional info
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Fuel Additives to counteract modern fuel additives
JBNeal replied to Tubeviper's topic in Mopar Flathead Truck Forum
Marvel Mystery Oil does great things -
Fuel Additives to counteract modern fuel additives
JBNeal replied to Tubeviper's topic in Mopar Flathead Truck Forum
I bought several NOS rubber fuel hoses that install between the steel fuel line and the fuel pump...the ethanol in gasoline nowadays causes that rubber to break down, so those NOS rubber lines are quite useless other than to be cautionary tales. The original fuel pump diaphragm will dry out fast, crack and fail when exposed to the ethanol additives in modern gasoline, but modern fuel pump rebuild kits include a diaphragm that is not prone to this type of early failure...the kit I installed in '04 on the 1-ton is still working, with that diaphragm observed recently to have a few small cracks probably due to age. I have had several knuckle draggers point out that I should be adding lead to my gas when I have filled up in the past, and when I ask which old buggy do they drive, they would proudly thump their chest with a Ford or Chevy response, to which I would smile and quietly chuckle...when they would bow up with their "how dare you besmirch my ride" response of "what do ya mean by that??" , I would point out that the Chrysler flatheads were designed to take a pounding, which would be met with a look of confusion and them fellas wandering away -
1/2, 3/4 and 1-ton steering wheels are all the same size...B-1 & B-2 steering wheels differ from B-3 & B-4 steering wheels in spoke layout and grip detail, but their hubs are all the same
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How Many Pilot House Trucks Have Survived?
JBNeal replied to Bradley S.'s topic in Mopar Flathead Truck Forum
SURVIVOR: not a Pilot-House, but... Available at CTC Auto Ranch north of Denton -
VINTAGEPIC: saw this B-3or4 car hauler smashed on the FB...it appears the ram hood ornament stuck to the front of the truck was from a car
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Much cooler than my first drive. What was yours?
JBNeal replied to Mr.Dids's topic in Mopar Flathead Truck Forum
First drive in a truck was when I was 11, took the '75 D200 Club Cab long bed five miles to pick up my dad at my grandparents' house (by myself)...I had been driving tractors for a couple of years at that point, no traffic on them country roads back then...almost drove to the high school for the first day of driver's ed 4 yrs later, but my ride finally showed up -
Welcome to the updated P15-D24.com SIte!
JBNeal replied to adminstrator_p15d24ph's topic in Forum Announcements And Feedback
after ya make the attached screen show up, scroll down and click the Search Members button on the lower right to see the members list...if you want to look at just moderators, check that box only, etc. -
Welcome to the updated P15-D24.com SIte!
JBNeal replied to adminstrator_p15d24ph's topic in Forum Announcements And Feedback
Go to the Activity tab and take a gander...this is the view from my pc; the view from my tablet is slightly different, showing a single column of member profiles as opposed to rows of profiles -
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Dolly Dodge Needs New Wiper Blades & Heater update
JBNeal replied to DollyDodge's topic in Mopar Flathead Truck Forum
Might I suggest ya smear a little grease on the cab vent handle lock, ya know to keep things sophisticated -
Mopar Factory PCV System
JBNeal reviewed adminstrator_p15d24ph's file in Instructions, Manuals & Templates
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What do 52 oe style tail lights look like?
JBNeal replied to jpartington's topic in Mopar Flathead Truck Forum
NOS taillight lenses NOS taillight housing NOS taillight bezel driver side taillight bracket driver side taillight bracket assembly passenger side taillight bracket assembly -
Builds Post revised and updated with Chrysler Master Tech - Story of Valves
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What do 52 oe style tail lights look like?
JBNeal replied to jpartington's topic in Mopar Flathead Truck Forum
Driver side standard, passenger side optional...the originals are not very bright, upgrading to something that might look era-appropriate may get the uninsured motorists attention long enough to keep them from plowing into ya -
Original equipment/operation questions
JBNeal replied to Mr.Dids's topic in Mopar Flathead Truck Forum
Modern cars are regulated by FMVSS for uniform operation; before they were enacted, car companies followed some SAE standards but ultimately did whatever they wanted. The logic was that the parking lights were used when the vehicle was parked, the headlights were used when the vehicle was in motion, so both were not needed simultaneously. The tailgate reflectors were not a factory option, but many truck owners added them. There were simple flat reflectors available, and then there were the fancy jewel reflectors that many hot rodders covet. As far as optional equipment, the arm rests and sun visors could be ordered in cab package trim upgrades, the interior and passenger rearview mirrors and taillight were optional, and if you wanted turn signals, a heater and a radio, these were dealer installed options that had equivalent kits available at places like Western Auto, Sears and Roebuck and Montgomery Wards- 3 replies
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