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Search found 5249 matches

by Lazy JW
Sat Jul 25, 2020 10:03 am
Forum: 240-300 "Big Block" Six Performance
Topic: Adjustable cam gear
Replies: 46
Views: 1510

Re: Adjustable cam gear

Volkswagen applied a similar concept to the torsion bar adjustment on the old Beetle; inner and outer settings could be juggled back and forth to achieve finer adjustment increments than allowed by either. Without doing any math, it seems as though having several keyways broached into both the cam g...
by Lazy JW
Mon Jul 20, 2020 1:48 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Adding an evap system
Replies: 14
Views: 461

Re: Adding an evap system

I'm pretty sure you would have to address the entire system to be effective.
by Lazy JW
Thu Jul 16, 2020 11:18 am
Forum: 240-300 "Big Block" Six Performance
Topic: EFI on factory intake? Dependability?
Replies: 33
Views: 3327

Re: EFI on factory intake? Dependability?

I'll try no gas pedal next time... Oh goodness! Absolutely do NOT even breathe on the gas pedal when that thing is hot! :twisted: I have owned and driven extensively four different 300's with stock intakes/carbs for the past 30+ years; every one of them would flood when hot, the only options then i...
by Lazy JW
Tue Jul 14, 2020 5:59 pm
Forum: 240-300 "Big Block" Six Performance
Topic: MSD 6AL
Replies: 8
Views: 415

Re: MSD 6AL

Jesse73 wrote:...

A few years ago I installed an MSD on my Willys Jeep 134 ci along with the stock points...slow crawling requires much less clutch work now. It is a lot harder to stall in any case.


If there were ever an application just begging for an MSD, this is it :nod: 8) :thumbup:
by Lazy JW
Tue Jul 14, 2020 5:56 pm
Forum: 240-300 "Big Block" Six Performance
Topic: MSD 6AL
Replies: 8
Views: 415

Re: MSD 6AL

THE FRENCHTOWN FLYER wrote:...

FWIW, my crossflow headed race car motor uses a plug gap of .025"...


Which should deliver a LONGER duration spark. The dynamic conditions for that spark are significantly greater than most of us ever encounter 8) :mrgreen: :nod:
by Lazy JW
Tue Jul 14, 2020 4:57 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Speed density and it's underlying principles.
Replies: 35
Views: 1252

Re: Speed density and it's underlying principles.

THE FRENCHTOWN FLYER wrote:Thanks for the excellent overview MechRick.


Amen to that! :D 8) :nod:
by Lazy JW
Tue Jul 14, 2020 7:50 am
Forum: 240-300 "Big Block" Six Performance
Topic: MSD 6AL
Replies: 8
Views: 415

Re: MSD 6AL

Your breaker point distributor will trigger an MSD. It can also trigger a TFI module/coil www.gofastforless.com
by Lazy JW
Sun Jul 12, 2020 7:57 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Cam for a 240
Replies: 12
Views: 584

Re: Cam for a 240

Consider that the 300 may work really well with your 3:08 gearing, better than the 240. My explanation to this is my 240 / 3 on the tree combination had 3:73 gearing in back with stock dia tires. I changed to 3:25 gearing. Now im revving it just a little more at take off, It'll buck around if i don...
by Lazy JW
Sat Jul 11, 2020 8:00 am
Forum: 240-300 "Big Block" Six Performance
Topic: Cam for a 240
Replies: 12
Views: 584

Re: Cam for a 240

probably would need to find a complete engine so as to have a knock sensor already plumbed in... :hmmm: :nod: 8) Since you are running a carburetor would you be using a stand alone knock monitor? If an EFI engine happened to fall into my lap REALLY CHEAP, I would probably put the 240 rotating assem...
by Lazy JW
Fri Jul 10, 2020 8:05 am
Forum: Electrical, Audio, and Electronics
Topic: Fuel gauge and temp gauge gremlins
Replies: 24
Views: 1105

Re: Fuel gauge and temp gauge gremlins

Thanks for the update, it is nice to know that you didn't just wander off :D
by Lazy JW
Thu Jul 09, 2020 4:33 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Cam for a 240
Replies: 12
Views: 584

Re: Cam for a 240

The 240 is much less prone to detonation than the 300 because of the difference in connecting rod to stroke ratio. The 300 has a 1.56 rod to stroke ratio while the 240 has an extreme 2.14 ratio. Joe is also at 2000 ft elevation. A flat top piston without valve reliefs at zero deck should also work ...
by Lazy JW
Thu Jul 09, 2020 4:31 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Cam for a 240
Replies: 12
Views: 584

Re: Cam for a 240

I’m currently running a 240 in a 1968 F100 with a 3.70 gear, 4 speed with overdrive, .005 beyond zero deck, Chevy rockers, mild porting, efi exhaust, Stock cam, stock intake with a Weber 2 barrel. I went with flat top 302 pistons and I use 87 octane with no issues but I’m at 2000 feet of elevation....
by Lazy JW
Thu Jul 09, 2020 4:28 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Cam for a 240
Replies: 12
Views: 584

Re: Cam for a 240

I think the stock cam is well suited for your needs. With gentle ramp rates it will be no problem using the Chevy rocker arms (are they stock OEM or aftermarket rollers?) Get a good cam gearset. 302 V8 pistons will work and offer several different varieties of CHs and dish volumes. A 30* back cut o...
by Lazy JW
Wed Jul 08, 2020 2:59 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Cam for a 240
Replies: 12
Views: 584

Re: Cam for a 240

pmuller9 wrote:...
What year is your 240?


It was sold to me as a 1972. I haven't looked at any casting numbers, and I do not yet know what size wrist pins it has.
by Lazy JW
Wed Jul 08, 2020 11:59 am
Forum: 240-300 "Big Block" Six Performance
Topic: Cam for a 240
Replies: 12
Views: 584

Cam for a 240

I am in the (very) early stages of planning a build for my retirement pickup. 10+ years ago I purchased a used 240 that allegedly ran before it was pulled from the vehicle. I intend to do a full and proper rebuild for my 85 F-150 with a NP-435 and 3.08 gears. I do not need 300 cubic inches to haul m...
by Lazy JW
Wed Jul 08, 2020 7:32 am
Forum: 240-300 "Big Block" Six Performance
Topic: Another idle contemplation -the 300 six "marinized" for watersport
Replies: 53
Views: 1785

Re: Another idle contemplation -the 300 six "marinized" for watersport

The crankshaft would be different also - I have run into this before . The oil slinger grooves are ground opposite on reverse rotation to direct the oil back to the pan. 300 cranks have no oil slinger grooves on the mains. What may matter is the direction in which the journals are ground. If the gr...
by Lazy JW
Tue Jul 07, 2020 5:29 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Another idle contemplation -the 300 six "marinized" for watersport
Replies: 53
Views: 1785

Re: Another idle contemplation -the 300 six "marinized" for watersport

Many Years ago I had a reverse rotation 427 FE marine short block that I pickuped for a spare for my drag race car. To my knownage almost everthing including the crankshaft was the same as the standard Ford 427. What made it into a reverse rotation engine was the specialty ground camshaft. I would ...
by Lazy JW
Mon Jun 29, 2020 1:12 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Another idle contemplation -the 300 six "marinized" for watersport
Replies: 53
Views: 1785

Re: Another idle contemplation -the 300 six "marinized" for watersport

pmuller9 wrote:...

As far as lakes in WA state..., lake Coeur d'Alene ...


Ah, snuck over for a quick run in Idaho, eh? 8) :nod:
by Lazy JW
Mon Jun 29, 2020 12:54 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Forged crank from Rockauto?
Replies: 21
Views: 2724

Re: Forged crank from Rockauto?

sixtseventwo4d wrote:Woah! is that still a four blade fan for cooling?? :shock:

It sure looks like it. That massive radiator helps a bit too
by Lazy JW
Mon Jun 29, 2020 10:45 am
Forum: 240-300 "Big Block" Six Performance
Topic: starter woes
Replies: 18
Views: 901

Re: starter woes

I had a similar issue with my 85 F-150 recently; it would crank slow when hot. Stopped for gas and it wouldn't even spin the engine at all, then I noticed smoke coming from under the hood. Yikes! :shock: Popped the hood and immediately saw the source of smoke: the battery cable on the starter soleno...
by Lazy JW
Fri Jun 26, 2020 11:25 am
Forum: 240-300 "Big Block" Six Performance
Topic: Backfiring through carb
Replies: 23
Views: 824

Re: Backfiring through carb

Watching the rocker arm motion as a cylinder passes through the overlap cycle at TDC has been a very accurate method for me to find TDC quickly. I have used that method as well, but sometimes it is inconvenient to access the rocker arms. I learned about the balloon trick from my brother-in-law who ...
by Lazy JW
Thu Jun 25, 2020 10:20 am
Forum: 240-300 "Big Block" Six Performance
Topic: two front efi exhaust
Replies: 8
Views: 1442

Re: two front efi exhaust

Nice work! :nod: :D :thumbup:
by Lazy JW
Wed Jun 24, 2020 5:29 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Backfiring through carb
Replies: 23
Views: 824

Re: Backfiring through carb

The harmonic balancer may have slipped, thereby rendering the timing marks useless. I have used a toy balloon to find TDC on an engine that had unreliable timing marks. I used an adapter from my compression tester, and just slipped the toy balloon over it. When you rotate the engine to TDC on compre...
by Lazy JW
Wed Jun 24, 2020 1:48 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Tough warm start, but okay cold/hot starts?
Replies: 18
Views: 793

Re: Tough warm start, but okay cold/hot starts?

... 3 Does the exhaust manifold heat riser work properly, if it is stuck in the position where it is supplying heat to the intake manifold that will contribute to the problem. We had problems with fuel percolating in the springtime on a lot of vehicles before the change to summer blend from the oil...
by Lazy JW
Wed Jun 24, 2020 1:45 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Tough warm start, but okay cold/hot starts?
Replies: 18
Views: 793

Re: Tough warm start, but okay cold/hot starts?

Blairsville Ed wrote:Snap disc switch is 104 F
I found them on eBay
Might be listed as 40 C


Thank you sir. I may need to apply your fix to my pickup too.
by Lazy JW
Wed Jun 24, 2020 10:58 am
Forum: 240-300 "Big Block" Six Performance
Topic: Tough warm start, but okay cold/hot starts?
Replies: 18
Views: 793

Re: Tough warm start, but okay cold/hot starts?

Blairsville Ed wrote:... I wired it to a 104 degree snap disc switch ...


Is that F or C ?
by Lazy JW
Sat Jun 20, 2020 8:27 am
Forum: 240-300 "Big Block" Six Performance
Topic: Efi to carb
Replies: 7
Views: 454

Re: Efi to carb

The balancer should interchange with no problem, but the water pumps run backwards due to the serpentine drive, so that will need swapped. No roller cams in stock 300's. The later engine blocks typically do not have the hole cut out for a mechanical fuel pump, so you will need to address that by eit...
by Lazy JW
Sat Jun 20, 2020 8:16 am
Forum: 240-300 "Big Block" Six Performance
Topic: crimping and soldering wire or cable ends Which is best?
Replies: 24
Views: 1082

Re: crimping and soldering wire or cable ends Which is best?

... There is not one perfect crimp for every occasion... We have nearly 100 different crimping tools for our various encoder connectors at my workplace, some of these tools cost upwards of $1000. But this is an apples-to-oranges comparison when the original topic was about automobiles. Modern car m...
by Lazy JW
Sat Jun 20, 2020 8:07 am
Forum: 240-300 "Big Block" Six Performance
Topic: crimping and soldering wire or cable ends Which is best?
Replies: 24
Views: 1082

Re: crimping and soldering wire or cable ends Which is best?

1. A proper crimp job is best. 2. A proper soldering job works really well too. 3. A lousy crimp job is not as good as a proper soldering job. 4. A lousy soldering job will fail, and so will a lousy crimp job. No soldering on a vehicles wiring unless you can also provide the proper strain relief wh...
by Lazy JW
Fri Jun 19, 2020 1:02 pm
Forum: 240-300 "Big Block" Six Performance
Topic: crimping and soldering wire or cable ends Which is best?
Replies: 24
Views: 1082

Re: crimping and soldering wire or cable ends Which is best?

1. A proper crimp job is best.
2. A proper soldering job works really well too.
3. A lousy crimp job is not as good as a proper soldering job.
4. A lousy soldering job will fail, and so will a lousy crimp job.
by Lazy JW
Thu Jun 18, 2020 4:10 pm
Forum: Vintage Ford Sixes
Topic: ELECTRONIC IGNITION CONVERSION
Replies: 14
Views: 575

Re: ELECTRONIC IGNITION CONVERSION

Read up on cheap alternatives here. http://www.gofastforless.com/ Thank you very much! I will evaluate to buy this "hot-spark" or the "Pertronix" electronic ignition. I will post when my car is running again. You are most welcome. Knowledge is power, and even if you choose to no...
by Lazy JW
Thu Jun 18, 2020 1:57 pm
Forum: Vintage Ford Sixes
Topic: ELECTRONIC IGNITION CONVERSION
Replies: 14
Views: 575

Re: ELECTRONIC IGNITION CONVERSION

Read up on cheap alternatives here.

http://www.gofastforless.com/
by Lazy JW
Wed Jun 17, 2020 2:29 pm
Forum: 240-300 "Big Block" Six Performance
Topic: mount the cab on springs for better ride?
Replies: 8
Views: 347

Re: mount the cab on springs for better ride?

I had an 81 F-150 (now handed off to my son-in-law) that had the 4-leaf springs but the leaf just below the main leaf was broken half-off (both sides). That thing rode real soft, just wouldn't haul much weight :mrgreen:
by Lazy JW
Wed Jun 17, 2020 1:26 pm
Forum: 240-300 "Big Block" Six Performance
Topic: crimping and soldering wire or cable ends Which is best?
Replies: 24
Views: 1082

Re: crimping and soldering wire or cable ends Which is best?

Broncomike wrote:So should I replace the battery cables I built and soldered together?


I would not replace them; just keep them clean and tight.

We follow the J-Standard at EPC and we are also an ISO Certified manufacturer

https://sciencing.com/what-is-j-standar ... 42978.html
by Lazy JW
Tue Jun 16, 2020 2:12 pm
Forum: 240-300 "Big Block" Six Performance
Topic: crimping and soldering wire or cable ends Which is best?
Replies: 24
Views: 1082

Re: crimping and soldering wire or cable ends Which is best?

I am employed as an electronics technician at Encoder Products Company in Sagle, Idaho. We produce rotary encoders that are used in virtually every industry worldwide. Encoders are little gadgets that send out pulses that can be used in motion control systems, and they are used in a wide variety of ...
by Lazy JW
Tue Jun 09, 2020 1:10 pm
Forum: 240-300 "Big Block" Six Performance
Topic: "Conceptual 240"
Replies: 15
Views: 600

Re: "Conceptual 240"

.... Truck is a '67 Mercury M100... a daily driven pro-touring style bumpside. Under 4000 lbs if I play my cards right. ... Think I'm crazy to build a 240? Don't bother commenting. I'd like to see this thread filled with dream 240 build or combinations... not everyone wants a 300. I love it! A Bump...
by Lazy JW
Sat Jun 06, 2020 2:44 pm
Forum: 144-250 "Small Block" Six Performance
Topic: High Altitude Adjustments, Car Bucks/Jerks and Shakes
Replies: 49
Views: 3837

Re: High Altitude Adjustments, Car Bucks/Jerks and Shakes

63flcn wrote:
Anyway, still stalls occasionally after an extended idle or short shut off. Sometimes it runs just the same, sometimes it stalls...


Is your heat riser sticking?
by Lazy JW
Thu Jun 04, 2020 6:24 pm
Forum: Electrical, Audio, and Electronics
Topic: Fuel gauge and temp gauge gremlins
Replies: 24
Views: 1105

Re: Fuel gauge and temp gauge gremlins

I still believe it is a connectivity issue, but I now suspect it is on the power side rather than the ground side. Those old fuse boxes can get corroded inside where it is difficult to see. A sensitive (high quality) ohm meter can be helpful.
by Lazy JW
Thu Jun 04, 2020 3:01 pm
Forum: Electrical, Audio, and Electronics
Topic: Fuel gauge and temp gauge gremlins
Replies: 24
Views: 1105

Re: Fuel gauge and temp gauge gremlins

After putting some thought to this, I believe I have been thinking about this issue backwards. The IVR doesn't send out a constant voltage, it sends out a pulsing signal of approximately 12 volts. The instruments are electrically damped so as to not follow this pulsing too quickly. The IVR works mor...
by Lazy JW
Wed Jun 03, 2020 8:53 am
Forum: Electrical, Audio, and Electronics
Topic: Fuel gauge and temp gauge gremlins
Replies: 24
Views: 1105

Re: Fuel gauge and temp gauge gremlins

Not knowing what vehicle you have, the very first thing I would do is to run a ground wire, 14 gauge or heavier, from the metal part of the dash, as close as practicable to the gauges, all the way to the grounding point of the battery. Next, clean any connections in the heater circuit, all the way f...
by Lazy JW
Tue Jun 02, 2020 7:07 am
Forum: Electrical, Audio, and Electronics
Topic: Fuel gauge and temp gauge gremlins
Replies: 24
Views: 1105

Re: Fuel gauge and temp gauge gremlins

These gauges are dumb; they only move/react to the current flowing through them. All of the circuits in question here are series-parallel Direct Current. Poor connections/grounding can result in incorrect difference of voltage potential, causing undesired results. It appears that the headlights and ...
by Lazy JW
Tue Jun 02, 2020 6:32 am
Forum: Orphan Inlines
Topic: 1984 Ford 2.3L powered Bronco II
Replies: 177
Views: 59900

Re: 1984 Ford 2.3L powered Bronco II

ford4wd08 wrote:Joined this forum just for this thread.... Any updates?

Very interested in this project as a B2 owner too!


Indeed. MechRick is truly one of the best, and his posting/photography is exemplary.
:nod: :thumbup:
by Lazy JW
Sun May 31, 2020 8:13 pm
Forum: Electrical, Audio, and Electronics
Topic: DS II distributor shaft wobble
Replies: 1
Views: 205

Re: DS II distributor shaft wobble

The DS2 distributor is MUCH more forgiving of worn bushings than a breaker-point unit. If it drives to your personal satisfaction, just keep right on driving it.

Don't worry, be happy :-)
Joe
by Lazy JW
Sun May 31, 2020 7:25 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Distributor
Replies: 9
Views: 535

Re: Distributor

If I were wanting a breaker-point ignition for a 300, I would specify 1973. That will get you a unit having both centrifugal and vacuum advance mechanisms.
by Lazy JW
Sun May 31, 2020 8:59 am
Forum: Electrical, Audio, and Electronics
Topic: Fuel gauge and temp gauge gremlins
Replies: 24
Views: 1105

Re: Fuel gauge and temp gauge gremlins

Cool23 wrote:Try running a new earth ground wire to the gauge cluster and see what that does for you. I have had the same issue myself.


I too had to do this on my White Ox to cure my gauge gremlins
by Lazy JW
Thu May 28, 2020 8:01 am
Forum: 240-300 "Big Block" Six Performance
Topic: Oil coolers and pressure drop calculations
Replies: 18
Views: 808

Re: Oil coolers and pressure drop calculations

Every 90° bend in your oil lines or fittings adds 10° more oil temp. So don't go crazy with fittings and use 135° fittings where ever you need to use a fitting. During one of my many equipment upgrades in the sawmill business, a hydraulics engineer told me that 9 elbows equals a plug. We used large...
by Lazy JW
Sat May 23, 2020 9:22 am
Forum: 240-300 "Big Block" Six Performance
Topic: Carter YF choke adjustment
Replies: 7
Views: 341

Re: Carter YF choke adjustment

I like to adjust my chokes on a nice, balmy 70 degree afternoon when the engine has not been started that day. I adjust it until the choke almost, but not quite, closes completely. When it is warmer, it won't close at all, and when it's colder, it pulls more tightly closed. Those perfect conditions ...
by Lazy JW
Sat May 23, 2020 9:15 am
Forum: 240-300 "Big Block" Six Performance
Topic: serpentine belt conversion
Replies: 76
Views: 14402

Re: serpentine belt conversion

I think I'd be inclined to use sketch #2, but run the belt from the bottom of the PS pump over the top of the H2O pulley. My reasoning here is that the H2O pump would then be driven first off the crank rather than last so it has less chance of slipping on a slack belt. You'd still have sufficient w...
by Lazy JW
Sat May 23, 2020 8:27 am
Forum: 240-300 "Big Block" Six Performance
Topic: MPG – Torque – Cruise speed and gear ratio hypothetical?
Replies: 24
Views: 1743

Re: MPG – Torque – Cruise speed and gear ratio hypothetical?

I have owned and driven extensively two F-150's with the 300-6 T-18 2.75 gear combo. They cruised great at highway speeds and got decent mileage but were miserable pigs to drive in town. My current F-150 has the 300-6 NP-435 with 3.08 gears. It is a happy combination for my needs but loses a bit of ...

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