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Search found 991 matches

by Fordman75
Fri Sep 13, 2019 3:55 pm
Forum: 240-300 "Big Block" Six Performance
Topic: 300 Rebuild
Replies: 42
Views: 1796

Re: 300 Rebuild

I might be wrong, usually am. I seem to remember the "UPS" pistons had a shorter compression height along with the smaller dish. I might be thinking about the HD pistons. Just make sure to check the compression height of the pistons before buying them. A shorter piston, with the same strok...
by Fordman75
Tue Sep 10, 2019 8:00 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Tractor Puller
Replies: 189
Views: 20106

Re: Tractor Puller

sdiesel wrote:
xctasy wrote:Probably big block Chev conrods,LF. :hmmm:


...as I'm coming to realize, my ford is half GM...


At least you know which parts will fail first! :wink: Not the Ford parts! :lol:
by Fordman75
Sun Sep 01, 2019 8:32 pm
Forum: 240-300 "Big Block" Six Performance
Topic: '69 block worth keeping?
Replies: 3
Views: 146

Re: '69 block worth keeping?

Any standard bore 240/300 block that isn't cracked or severely rusted/damaged in the cylinders is worth keeping. It's getting harder to find them. It seems like most I've been finding lately are already .040" over. :roll:
by Fordman75
Sat May 04, 2019 3:12 am
Forum: 240-300 "Big Block" Six Performance
Topic: 300 torque build 85 Bronco
Replies: 313
Views: 20859

Re: 300 torque build 85 Bronco

Update: these headers are seriously terrible for offroad use! The trails out at moab sure punished the ol 300. Got so hot it was boiling the fuel in the carb and nearly killed my secondary ignition solenoid. Had to wire distributor direct to the battery and crank the idle up to get it to run. And t...
by Fordman75
Tue Apr 30, 2019 4:05 pm
Forum: 240-300 "Big Block" Six Performance
Topic: 300 torque build 85 Bronco
Replies: 313
Views: 20859

Re: 300 torque build 85 Bronco

I pull the belt, remove crank bolt, remove the washer off the crank bolt, reinstall the bolt. Then install the balancer puller (parts store should have one if you don't ) . And remove the balancer. It sucks, but you may most likely will need to pull the radiator if you don't have enough room to do i...
by Fordman75
Mon Apr 29, 2019 9:25 pm
Forum: 240-300 "Big Block" Six Performance
Topic: 300 torque build 85 Bronco
Replies: 313
Views: 20859

Re: 300 torque build 85 Bronco

The downside to the wrench is you might get some vibrations with that.
by Fordman75
Sun Apr 07, 2019 3:10 pm
Forum: 240-300 "Big Block" Six Performance
Topic: 300 torque build 85 Bronco
Replies: 313
Views: 20859

Re: 300 torque build 85 Bronco

It sounds like you've got a power wire that only sees power with the ignition switch in the run position. You need to add one that also sees power in the start position. I know the older stuff ( DSII trucks ) used the small Ign. terminal on the starter solenoid for a bypass while cranking. They had ...
by Fordman75
Sun Mar 31, 2019 12:17 pm
Forum: 240-300 "Big Block" Six Performance
Topic: 300 torque build 85 Bronco
Replies: 313
Views: 20859

Re: 300 torque build 85 Bronco

What's your fuel pressure set at? If it's too high it can push past the needle & seat and flood out the engine.
by Fordman75
Sat Mar 09, 2019 4:13 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Ford 300 six, what year?
Replies: 6
Views: 657

Re: Ford 300 six, what year?

The engineering/casting # will give you the decade and the oldest year the engine could be. On the picture below The red circle is the casting/engineering #. This one says "C8AE-6015-B". The first letter is the decade. This one is a "C" which means 1960's, "D" would 70'...
by Fordman75
Sun Feb 24, 2019 1:35 am
Forum: 240-300 "Big Block" Six Performance
Topic: Knocking noise; seems different from others
Replies: 11
Views: 1219

Re: Knocking noise; seems different from others

I've also seen the oil pump pick up tubes with cracked/broken support brackets. They would shake and hit the oil pan causing a knocking sound. I got a couple good engines very cheap because of that! :D
by Fordman75
Wed Feb 20, 2019 6:19 pm
Forum: 240-300 "Big Block" Six Performance
Topic: 300 torque build 85 Bronco
Replies: 313
Views: 20859

Re: 300 torque build 85 Bronco

I use red loctite.
by Fordman75
Sun Feb 17, 2019 10:40 am
Forum: 240-300 "Big Block" Six Performance
Topic: Carb options
Replies: 33
Views: 2518

Re: Carb options

Max_Effort wrote:.

For power production, the Holley style carb is still king.


King of fuel leaks too. :thumbup: If it's going to to sit unused for a period of time there's a good chance it's going to leak when you restart it. The more gaskets it has the more chances of leaks.
by Fordman75
Sat Feb 16, 2019 11:11 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Carb options
Replies: 33
Views: 2518

Re: Carb options

Anyone else consider a street demon 1901 with composite bowl? It’s basically an updated thermoquad. 625 CFM, small 1 3/8” primaries with larger vacuum secondaries. The composite bowl insulates the fuel from heat. (Which is why they were called a thermoquad) I prefer to leave the composites for the ...
by Fordman75
Sat Feb 16, 2019 11:06 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Carb options
Replies: 33
Views: 2518

Re: Carb options

I'm a big 3rd gen Econoline fan so my dog house lay out is different then yours. But here's what I'm going to use to help with carb boiling issues on mine. I'm going with a pair of Phenolic carb spacers. With a heat sheild that's larger then the carb between them. That will help with the direct radi...
by Fordman75
Fri Feb 08, 2019 8:47 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Holley Carb left turn stumble or stall!
Replies: 23
Views: 1704

Re: Holley Carb left turn stumble or stall!

It could be the transmission's input shaft bearing too. My NP435 in my old 78 F150 4x4 had that problem.
by Fordman75
Thu Feb 07, 2019 2:19 pm
Forum: 240-300 "Big Block" Six Performance
Topic: compression
Replies: 158
Views: 8797

Re: compression

A cracked head is the perfect one to start porting on. It's good practice. The junk heads are also good for a little R&D for trying out some different ideas.
by Fordman75
Sun Feb 03, 2019 9:46 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Priming Oil system/pump
Replies: 5
Views: 587

Re: Priming Oil system/pump

I use a old distributor that I gutted and pulled the drive gear off from.
by Fordman75
Fri Jan 18, 2019 3:01 am
Forum: 240-300 "Big Block" Six Performance
Topic: misaligned block cam journal
Replies: 33
Views: 1953

Re: misaligned block cam journal

If those clearances bug you run a HV oil pump. One of the reasons for pulling my engine was that I had to use 20/50 oil to get 10psi, with a HV pump. I want to be able use normal oil w/o a hv pump, and maintain good oil psi. Btw, what do you guys think of my pan with clear on it? The problem with y...
by Fordman75
Thu Jan 17, 2019 10:47 am
Forum: 240-300 "Big Block" Six Performance
Topic: misaligned block cam journal
Replies: 33
Views: 1953

Re: misaligned block cam journal

If those clearances bug you run a HV oil pump.
by Fordman75
Thu Jan 17, 2019 10:42 am
Forum: 240-300 "Big Block" Six Performance
Topic: Street 300 L6 Motor
Replies: 332
Views: 45238

Re: Street 300 L6 Motor

old28racer wrote:I would like to have steel roller rockers but $350 + for this motor is a bit to much.


I wish that's what mine cost!! I think my BBF SS Crower ones were like $550 for the set! :oops:
by Fordman75
Thu Jan 17, 2019 12:37 am
Forum: 240-300 "Big Block" Six Performance
Topic: Much quieter!
Replies: 3
Views: 514

Re: Much quieter!

takehikes wrote:As I understand it stock from factory was steel/phenolic.


Only on the later engines.
by Fordman75
Sat Jan 12, 2019 5:11 am
Forum: 240-300 "Big Block" Six Performance
Topic: Motor mounts
Replies: 3
Views: 889

Re: Motor mounts

I'm going with poly leaf spring bushings to build ones similar to Autofab's.
by Fordman75
Thu Jan 10, 2019 11:14 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Build the 300 or go V8?
Replies: 22
Views: 1965

Re: Build the 300 or go V8?

If you want a BBF bell that uses the hydraulic slave you will need to find a mid 80's 460 bell out of a F250/F350. I believe they started in 84 or 85 ( maybe as early as 83 ) and went thru 87 or 88. Basically if it's a mid to late 80's 460 with a grany low 4spd ( no OD ) , it will have the bell you ...
by Fordman75
Sun Jan 06, 2019 4:49 pm
Forum: 240-300 "Big Block" Six Performance
Topic: 1970 240 F-100
Replies: 5
Views: 605

Re: 1970 240 F-100

By 1974 when unleaded gas was required, US domestic cast iron heads had induction hardened exhaust seats. Industrial and heavy duty heads may have hard seat inserts from the factory. I can't speak specifically to the 240/300, but typically 1970 cast iron heads were not induction hardened. If the se...
by Fordman75
Sun Jan 06, 2019 5:54 am
Forum: 240-300 "Big Block" Six Performance
Topic: 1970 240 F-100
Replies: 5
Views: 605

Re: 1970 240 F-100

BuckTooth wrote:Would this Head have Hardened Seats?



Yes and no. Stock they had basically a surface hardened seat. If you a rebuilding a head it's wise to have hardened seats installed. If you don't you are chancing a sunken seat.
by Fordman75
Sun Jan 06, 2019 5:07 am
Forum: 240-300 "Big Block" Six Performance
Topic: Build the 300 or go V8?
Replies: 22
Views: 1965

Re: Build the 300 or go V8?

keethprince wrote:So what if I went turbo? Putting bigger valves in the head and p&p will happen. Would it make the power without blowing its self to pieces?


Yes, if you have the build & tune right it will survive no problem. If the tune is wrong then you'll have a melt down, literally.
by Fordman75
Wed Jan 02, 2019 9:08 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Tractor Puller
Replies: 189
Views: 20106

Re: Tractor Puller

THE FRENCHTOWN FLYER wrote:I see it now. I've had them fail at the spot welds and I like to TIG weld them.


I've had a few that also broke down by the bend on the arm by the main bolt/stud.
by Fordman75
Wed Jan 02, 2019 9:01 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Build the 300 or go V8?
Replies: 22
Views: 1965

Re: Build the 300 or go V8?

drag-200stang wrote:Best bang for the buck would be a junkyard LS with a turbo :shock:


Yea especially if you like breaking rods and making blocks ventilated!! :lol:
by Fordman75
Wed Jan 02, 2019 8:58 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Tractor Puller
Replies: 189
Views: 20106

Re: Tractor Puller

THE FRENCHTOWN FLYER wrote:It looks like you removed the strut that stabilizes the oil pickup tube. Remember to add a new one to keep the pickup from vibrating itself apart.



It's in the pic just hard to see.
by Fordman75
Tue Jan 01, 2019 11:31 pm
Forum: 240-300 "Big Block" Six Performance
Topic: compression
Replies: 158
Views: 8797

Re: compression

...I just returned from a bike trip around Australia... Bicycle bike or motorbike? I'm an avid cyclist - but I also like go exploring on my Shadow 650. Both great ways to see the world. Motorcycles,I love to ride. I haven't rode in many years. But I do have a little 82 Yamaha XJ550 bobber project s...
by Fordman75
Tue Jan 01, 2019 11:16 pm
Forum: 240-300 "Big Block" Six Performance
Topic: compression
Replies: 158
Views: 8797

Re: compression

Stretching a '54 cab into a crewcab? That will be nice for the extra room on these small cabs.How are you going about that? Stretching the cab basically came out of necessity due to the 78's 133" wheel base. I was going to use my 78's frame ( but it turned out to be too messed up ) . I didn't ...
by Fordman75
Mon Dec 31, 2018 9:36 pm
Forum: 240-300 "Big Block" Six Performance
Topic: compression
Replies: 158
Views: 8797

Re: compression

Sounds like a cool build. Have any pictures of it? I've got something similar, just a half ton version. Mine is a 54 F100 and I'm using 78 F150 4x4 chassis parts on a frame I'm going to build from scratch. I'm using the NP435 in mine and am stretching the cab into a crew cab. Did you move the engine...
by Fordman75
Mon Dec 24, 2018 8:11 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Excessive blow-by and funky temp gauge
Replies: 10
Views: 861

Re: Excessive blow-by and funky temp gauge

When you did the manifold change did you run the hose from the PCV valve to the intake manifold?


The factory temp gauge is just about worthless. Get a good aftermarket temp gauge. Otherwise you'll have no clue what the temp actually is.
by Fordman75
Mon Dec 10, 2018 8:02 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Aftermarket 300 Rod opinions?
Replies: 27
Views: 1912

Re: Aftermarket 300 Rod opinions?

There is also a very small amount of people that actually need aftermarket rods for a 300. Haven't seen too many stock rods broken.
by Fordman75
Sun Dec 02, 2018 3:46 am
Forum: 240-300 "Big Block" Six Performance
Topic: Autolite 2100 on Offy DP manfiold?
Replies: 2
Views: 496

Re: Autolite 2100 on Offy DP manfiold?

Not the right intake at all to run a 2V carb on. I don't get the whole DP intake. Lets spend the money on a aftermarket intake that has a built in restriction. A dual plane intake is a good thing on a V8. But the dual port on a inline the size of the 300 is pointless. Sorry about that, rant over. :D...
by Fordman75
Wed Nov 28, 2018 12:38 am
Forum: 240-300 "Big Block" Six Performance
Topic: Roller Rocker Question
Replies: 43
Views: 2737

Re: Roller Rocker Question

xctasy I never said anything about roller lifters. I would love to run roller cams/lifters in my 240/300's. But the roller cams for 300's aren't real easy to come by. And when you do find them they aren't cheap. I think FTF was just referring to them as part of Ford's R&D on the roller valvetrain.
by Fordman75
Tue Nov 27, 2018 6:26 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Roller Rocker Question
Replies: 43
Views: 2737

Re: Roller Rocker Question

FTF- I know the benefits of the roller rockers. All my projects are getting them. I'm just questioning does the cost of them justify the small benefits gained on his application? Would there not be other areas that the same $$ would give more bang for the buck? And him not wanting to do any head wor...
by Fordman75
Tue Nov 27, 2018 2:57 am
Forum: 240-300 "Big Block" Six Performance
Topic: Roller Rocker Question
Replies: 43
Views: 2737

Re: Roller Rocker Question

Fairly stock engine, stock cam, stock rocker ratio, it's kind of a waste of money to go roller rockers. My opinion is the tiny gain you may get is not worth what they would cost.
by Fordman75
Sun Nov 25, 2018 11:37 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Does anyone have any experience with the Clifford 6-8 dual carb setup?
Replies: 10
Views: 1106

Re: Does anyone have any experience with the Clifford 6-8 dual carb setup?

I would only buy from Clifford the parts you can't get elsewhere. Like their intake manifolds or the finned aluminum valve covers. Everything else I'd get from Summit racing, Jeg's, etc. I love the Clifford dual carb intake manifold. But like FTF mentioned I would run Autolite 2100 or Motorcraft 215...
by Fordman75
Sun Nov 25, 2018 10:58 pm
Forum: 240-300 "Big Block" Six Performance
Topic: opinions on a b.b. 300 in school bus
Replies: 36
Views: 2454

Re: opinions on a b.b. 300 in school bus

I know a guy swapping a 460 into a 38 Ford car. If it will fit in that, you should have no issue with a truck/bus that size.
by Fordman75
Sun Nov 25, 2018 6:22 pm
Forum: 240-300 "Big Block" Six Performance
Topic: opinions on a b.b. 300 in school bus
Replies: 36
Views: 2454

Re: opinions on a b.b. 300 in school bus

Not to derail the thread but if you just wand a super low low in a 2wd vehicle then any old chain drive transfer case with the front output half of the case sawed off and sealed up works well and weighs practically nothing. Too much hassle. You can modify the NP205's shift rails. Which lets you shi...
by Fordman75
Sun Nov 25, 2018 6:00 pm
Forum: 240-300 "Big Block" Six Performance
Topic: opinions on a b.b. 300 in school bus
Replies: 36
Views: 2454

Re: opinions on a b.b. 300 in school bus

That would be a cool bus to build. My dream set up is the Advance Adapters Ranger gear splitter with the NP435. It mounts between the bellhousing and transmission and gives you another shifter coming thru the floor. It not only gives you OD but also allows you to break up that big spread in the NP43...
by Fordman75
Wed Nov 21, 2018 4:42 am
Forum: 240-300 "Big Block" Six Performance
Topic: Water outlet/thermostat housing leaking
Replies: 5
Views: 532

Re: Water outlet/thermostat housing leaking

I found a gasket at Orileys that has adhesive on one side so you can stick the gasket and thermostat in place while you position the thermostat housing. Those don't always stick to well. I really like to use Permatex high tack gasket sealer. And FTF is right. The cast iron housings are much nicer/s...
by Fordman75
Wed Nov 21, 2018 4:36 am
Forum: 240-300 "Big Block" Six Performance
Topic: Roller Rocker Question
Replies: 43
Views: 2737

Re: Roller Rocker Question

old28racer wrote:
Are there any after market places to find BBF 429 / 460 roller rockers in aluminum or steel that are for a 7/16 stud?



I bought some BBF 429/460 Crower stainless steel roller rockers ( 7/16" studs ) from Summit Racing for my 300.
by Fordman75
Tue Nov 20, 2018 3:38 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Strange oil pressure problem
Replies: 20
Views: 1380

Re: Strange oil pressure problem

The engine flushs aren't always the best idea. They are a little too aggressive. They can knock loose big chunks. And there is a possibility of plugging up oil passages, pick up screen, etc. If I want to clean out a engine I like to replace a quart of oil, during an oil change, with a quart of ATF.
by Fordman75
Sun Nov 18, 2018 4:13 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Strange oil pressure problem
Replies: 20
Views: 1380

Re: Strange oil pressure problem

I seriously doubt straight 50W is going to help your oil pressure on cold starts. You are probably going to end up with even more bearing wear on cold start. And longer times with little to no oil pressure.
by Fordman75
Sat Nov 17, 2018 5:35 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Strange oil pressure problem
Replies: 20
Views: 1380

Re: Strange oil pressure problem

Up here I switch to thinner oil for winter. Summer I usually run 10W30. For the winter I change to 5W30. It cuts down on the delay to build oil pressure on a cold start.
by Fordman75
Thu Nov 15, 2018 1:43 am
Forum: 240-300 "Big Block" Six Performance
Topic: opinions on a b.b. 300 in school bus
Replies: 36
Views: 2454

Re: opinions on a b.b. 300 in school bus

You could always remote mount the turbo.

As long as it had enough gear a 300 would be fine in it. But you'd definitely want some mods for more power.
by Fordman75
Wed Nov 14, 2018 11:13 pm
Forum: 240-300 "Big Block" Six Performance
Topic: MIke's 1991 Bronco
Replies: 10
Views: 1114

Re: Clifford aluminum head

Looks like it's a late 1990 EFI head.
by Fordman75
Wed Nov 14, 2018 3:23 am
Forum: 240-300 "Big Block" Six Performance
Topic: MIke's 1991 Bronco
Replies: 10
Views: 1114

Re: Clifford aluminum head

I have a feeling it's more likely just a ported cast iron production head.

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