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Search found 553 matches

by BigBlue94
Fri Jul 03, 2020 4:03 pm
Forum: 240-300 "Big Block" Six Performance
Topic: The BC backcountry basher
Replies: 24
Views: 148

Re: The BC backcountry basher

For speed density v8s, the cam LSA must be 114 or higher. Not sure on the six. Cams for the 300 are usually rated for rpm range in a 240. Take 1000 rpms off each number and that will get you the rpm range in a 300. For instance, my cam has an advertised rpm range of 2400-6000. It kicks in right off...
by BigBlue94
Fri Jul 03, 2020 3:53 pm
Forum: 240-300 "Big Block" Six Performance
Topic: The BC backcountry basher
Replies: 24
Views: 148

Re: The BC backcountry basher

For speed density v8s, the cam LSA must be 114 or higher. Not sure on the six. Cams for the 300 are usually rated for rpm range in a 240. Take 1000 rpms off each number and that will get you the rpm range in a 300. For instance, my cam has an advertised rpm range of 2400-6000. It kicks in right off...
by BigBlue94
Fri Jul 03, 2020 12:37 pm
Forum: 240-300 "Big Block" Six Performance
Topic: The BC backcountry basher
Replies: 24
Views: 148

Re: The BC backcountry basher

For speed density v8s, the cam LSA must be 114 or higher. Not sure on the six. Cams for the 300 are usually rated for rpm range in a 240. Take 1000 rpms off each number and that will get you the rpm range in a 300. For instance, my cam has an advertised rpm range of 2400-6000. It kicks in right off ...
by BigBlue94
Fri Jul 03, 2020 11:23 am
Forum: 240-300 "Big Block" Six Performance
Topic: Clifford 43-4502 4V 240/300 Intake Bolt Pattern ??????
Replies: 9
Views: 144

Re: Clifford 43-4502 4V 240/300 Intake Bolt Pattern ??????

I was finally able to get ahold Of Clifford Performance today. Tec guy said the bolt pattern in the intake is square 3 7/8" x 3 7/8". Will only fit their adapters. At $58 for one of their 4x2 adapters I think I will get another pc aluminum plate & build one. Their adapters are nice. A...
by BigBlue94
Thu Jul 02, 2020 7:15 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Temperature sensor/gauge?
Replies: 27
Views: 441

Re: Temperature sensor/gauge?

Do you have them run to a temp switch or just an on/off? If a temp switch, what are you running and what temp do you have them switching on and off? No, just on a toggle switch. One for each fan. If you look on like summits website, you can find a few different ranges for on/off controllers. Not su...
by BigBlue94
Thu Jul 02, 2020 7:00 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Clifford 43-4502 4V 240/300 Intake Bolt Pattern ??????
Replies: 9
Views: 144

Re: Clifford 43-4502 4V 240/300 Intake Bolt Pattern ??????

3&13/16" by 3&13/16" on centers

Hole is 3.5" square, with about 1/2" radii in the corners

Taken from an old paper gasket i made for my clifford, water heated, single "4bbl" open plenum manifold.
by BigBlue94
Mon Jun 29, 2020 12:33 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Temperature sensor/gauge?
Replies: 27
Views: 441

Re: Temperature sensor/gauge?

I may go to a 180 degree stat, I've always run a 195. I think a coolant flush wouldn't hurt but I'll get a spare heater core before I do that. Electric fans are in the list eventually but not in the budget for a while. My Bronco is running a little lean and I don't think that's helping the situatio...
by BigBlue94
Sun Jun 28, 2020 3:03 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Temperature sensor/gauge?
Replies: 27
Views: 441

Re: Temperature sensor/gauge?

Ive had mine at 240° for what seemed like an eternity on Hells Revenge trail in Moab, and have no permanent issues. Though i wouldnt recommend more than about 220°. A proper fitting shroud helps a lot. I have a 3" thick universal aluminum radiator in my 85 bronco, and the shroud for a 87 fit gr...
by BigBlue94
Sun Jun 28, 2020 12:43 pm
Forum: 240-300 "Big Block" Six Performance
Topic: 240/300 Log Intake 1bbl to 2bbl Modification
Replies: 7
Views: 224

Re: 240/300 Log Intake 1bbl to 2bbl Modification

What AFR setup are you using? I've been looking at them online but am having a hard time deciding what to get. Im running one from AutoMeter in mine. Works great. I was able to watch my AFR lean out coming home from the Rockies. Tuned for 9000', I made it to 3000' before leaning completely out at 1...
by BigBlue94
Sun Jun 28, 2020 12:35 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Another idle contemplation -the 300 six "marinized" for watersport
Replies: 36
Views: 505

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

Not much help in the mechanical aspects, but I know a LOT of Chriscraft vessels came powered by ford. And they werent afraid of weight either. They were stuffing two 534" Superduty truck engines in and hanging two turbo's off each one back on the late 60's. They were called super seamasters I t...
by BigBlue94
Tue Jun 23, 2020 12:32 pm
Forum: 240-300 "Big Block" Six Performance
Topic: 300 alcohol pulling tractor
Replies: 31
Views: 536

Re: 300 alcohol pulling tractor

OEM cylinder heads only, cylinder head must match brand of block. NO RECAST HEADS. A. Lateral movement of valves only. Valves must maintain factory angle. In head valves must seat no lower than the bottom of original head on all 6 cylinders. That’s how our rules read on cylinder heads. I’m not as c...
by BigBlue94
Sun Jun 21, 2020 2:49 pm
Forum: 240-300 "Big Block" Six Performance
Topic: 300 alcohol pulling tractor
Replies: 31
Views: 536

Re: 300 alcohol pulling tractor

So the 6000lb light limited super stock class is growing every year here in southern ky. The points winner last year is running a farmall 301 so I don’t see why a 300 couldn’t be doable. As of now it takes around 1200hp to be competitive. Would this be worth looking further into? Sure it's possible...
by BigBlue94
Sun Jun 21, 2020 2:42 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Transmission shaft length
Replies: 14
Views: 264

Re: Transmission shaft length

That's the measurements you wanted to see! I too see no issue bolting the 3 speed in.

As an aside, the T19 is a desired truck transmission, so I'd try to sell it to someone with a truck. Assuming it is 2wd.
by BigBlue94
Sat Jun 20, 2020 5:44 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Transmission shaft length
Replies: 14
Views: 264

Re: Transmission shaft length

So you are replacing the T19? I would say the shorter one wont work. The input shaft goes into a bearing located on the back end of the engine crankshaft. The bearing is no more than 1/2" thick, and that 1/4" of shortness may not give proper support. But with those measurements, im assumin...
by BigBlue94
Fri Jun 19, 2020 12:42 pm
Forum: 240-300 "Big Block" Six Performance
Topic: crimping and soldering wire or cable ends Which is best?
Replies: 24
Views: 520

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

Whoa, if I'm reading this right, I've been doing it wrong for 15 years... with the Klein crimpers pictured, I put the dimple forming spike on the split in the terminal. This pushes both edges down to an "M" sort of shape around the strands. Never had an issue, so far... The seams at the s...
by BigBlue94
Thu Jun 18, 2020 7:19 pm
Forum: 240-300 "Big Block" Six Performance
Topic: crimping and soldering wire or cable ends Which is best?
Replies: 24
Views: 520

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

The critical part is crimping rightly. Maybe better modern tools will help. Here are the two main crimping tools that I use that cover the majority of the connections I have had to make. Nothing fancy. It is how you use them that counts. https://www.dropbox.com/s/h9dqwakjjomemrc/Crimp%20Tool%201.JP...
by BigBlue94
Tue Jun 16, 2020 7:44 pm
Forum: 240-300 "Big Block" Six Performance
Topic: mount the cab on springs for better ride?
Replies: 8
Views: 225

Re: mount the cab on springs for better ride?

If you mount the cab on springs, you'll need shocks for it too. Newer semi tractors do indeed have both seats and complete cabs mounted on air bags. And if you look close enough, you'll usually see a pair of shock absorbers on the rear of the cab. Your best bet is finding a soft set of rubber mounts...
by BigBlue94
Fri Jun 05, 2020 12:35 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Exhaust manifolds
Replies: 18
Views: 3378

Re: Exhaust manifolds

So I've been hearing at great lengths that these headers will not fit a 4WD truck. Is there a specific one that will, or are they all interference fit? I ask for my 79 cause it could really use a nice exhaust and intake upgrade. The Highboy we have sorta kicks my poor little guys ass in acceleratio...
by BigBlue94
Thu Jun 04, 2020 5:38 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Zero to 60
Replies: 20
Views: 534

Re: Zero to 60

pmuller9 wrote:The last engine like this I put together was $7000 in parts and machine shop cost not counting my labor to assemble.


Ditto, including a radiator and a few other support items. About half was machine shop costs to assemble the shortblock and head.
by BigBlue94
Thu Jun 04, 2020 5:32 pm
Forum: 240-300 "Big Block" Six Performance
Topic: 289 Engine rebuild kits
Replies: 6
Views: 288

Re: 289 Engine rebuild kits

Hi guys, I'm new here. In the not too distant future I'm looking to have the engine in the Mustang rebuilt by a friend who is a mechanic. I've found a few different full rebuild kits online but knowing little about this subject means they all pretty much look the same to me. Summit Racing seem to h...
by BigBlue94
Thu Jun 04, 2020 5:20 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Best spot for AF sensor /02 sensor now, added 96 manifold to 93.
Replies: 3
Views: 172

Re: Best spot for AF sensor /02 sensor now, added 96 manifold to 93.

There is an advertised optimum distance from source for these but I cannot recall with any precision what that distance is. On mine I used the factory o2 port.my install instruction sheet gave me suggestions for locating a bung and memory, now faulty, tells me no more than 18" past the collect...
by BigBlue94
Sun May 31, 2020 12:27 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Distributor
Replies: 9
Views: 303

Re: Distributor

1974 was the first year Ford had electronic ignition on cars. I cant remember if the trucks had it in 1974 but I know they did in 1975. In 1977 0r 78 they went to the 2 piece distributor cap which is a better setup to avoid crossfire and misfire. 74 econolines still had points distributors on the 2...
by BigBlue94
Sun May 31, 2020 12:23 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Zero to 60
Replies: 20
Views: 534

Re: Zero to 60

How would you control the trans? Install a shift kit and manually shift the transmission. Should be able to shift it manually without a shift kit, but it would definitely help. As would getting a transmission that isnt a power gulping hog! A tremec 3650 would wake that puppy up and make for a reall...
by BigBlue94
Sun May 31, 2020 12:13 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Intake manifolds
Replies: 62
Views: 6039

Re: Intake manifolds

I sure learned a LOT at my local tech school in the machine tool class. They had a good welding class too. They also offer night classes a couple time a week, which are usually grown adults, looking to further their experiences. By the end I had crafted a Stirling engine powered desk fan, that would...
by BigBlue94
Thu May 28, 2020 5:13 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Oil coolers and pressure drop calculations
Replies: 18
Views: 626

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 BigBlue94
Thu May 28, 2020 5:11 pm
Forum: 240-300 "Big Block" Six Performance
Topic: And to restate the obvious...
Replies: 12
Views: 495

Re: And to restate the obvious...

Ditto on the soldering being a weak point. The aviation industry uses crimps and connectors solely for this reason. Vibration causes the wires to break eventually. That being said, I soldered my ground wires. That was before I knew better. I did a crimp on the terminals too, using a bench vise and a...
by BigBlue94
Thu May 28, 2020 4:34 pm
Forum: 240-300 "Big Block" Six Performance
Topic: For those of you who were at Ford, when the boss 429...
Replies: 26
Views: 806

Re: For those of you who were at Ford, when the boss 429...

What makes a 429 a BOSS? The 302s had Cleveland heads with canted valves. The 385 series already has canted valves, so what's the difference?

I'd rather have a 427 SOHC
by BigBlue94
Tue May 26, 2020 12:45 pm
Forum: 240-300 "Big Block" Six Performance
Topic: And to restate the obvious...
Replies: 12
Views: 495

Re: And to restate the obvious...

It obviously works for you, but a ground direct from battery to block is generally accepted method . Then to frame, then to everything else. I'm friggin anal about grounding anymore. It causes so many unnecessary headaches but iscso easily overlooked It does work, but I'm always open to improving i...
by BigBlue94
Mon May 25, 2020 12:42 pm
Forum: 240-300 "Big Block" Six Performance
Topic: And to restate the obvious...
Replies: 12
Views: 495

Re: And to restate the obvious...

sdiesel wrote:should your batt. neg. go to block?


I simply replaced what was there. My block grounds to the passenger side engine mount perch, and the battery neg goes to the frame near the starter, iirc.
by BigBlue94
Sun May 24, 2020 4:46 pm
Forum: Turbo, Supercharger, and Nitrous
Topic: Unknown Setup
Replies: 6
Views: 270

Re: Unknown Setup

Looks kind of like a slightly updated version of the old Ak Miller setup. You can see the use heavy duty 300 truck exhaust manifold hook up was modified some compared to Ak's early kit were the Turbo flage was welded direct to the HD manifold mounting the Turbo lower. :nod: I thought the same thing...
by BigBlue94
Sun May 24, 2020 1:06 pm
Forum: Econoline Corner
Topic: Junkyard 83 manual transmission van
Replies: 9
Views: 2508

Re: Junkyard 83 manual transmission van

Pedals and clutch linkage are sold, to Rufus.

Still have the shifter assembly. PM me if interested as I forgot this was here.

The van itself is long gone. Probably part of a dishwasher now.
by BigBlue94
Sun May 24, 2020 1:03 pm
Forum: Bronco Busters
Topic: I've come to reclaim my dignity...
Replies: 4
Views: 235

Re: I've come to reclaim my dignity...

Ahhhhhh it feels good dont it!? Welcome back to the tower of power! Sounds like a healthy motor.

Going into the 89? Gonna do a build here or on FSB?
by BigBlue94
Sun May 24, 2020 12:59 pm
Forum: Turbo, Supercharger, and Nitrous
Topic: Unknown Setup
Replies: 6
Views: 270

Unknown Setup

A guy on the fullsize bronco site posted this in my build thread. Unfortunately he hasn't responded to my inquiries about it. Looks very clean and simple and pretty good in my opinion. Anyone recognize it? https://www.supermotors.net/getfile/1159757/fullsize/b226addeec8aaf3646cb24d178104ddb.jpg
by BigBlue94
Sun May 24, 2020 12:54 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Oil coolers and pressure drop calculations
Replies: 18
Views: 626

Re: Oil coolers and pressure drop calculations

So lemme see if I'm following this correctly... I added a dual remote oil filter kit and a small oil cooler to my 300, in an 85 bronco. The cooler is a simple tube and fin design, with like 6 bends. The dual fl1a filters are on the frame, just behind the transfer case. 1/2" i.d. hose. This is m...
by BigBlue94
Sun May 24, 2020 12:43 pm
Forum: 240-300 "Big Block" Six Performance
Topic: And to restate the obvious...
Replies: 12
Views: 495

Re: And to restate the obvious...

Ditto. Grounds are often overlooked and in need of attention. My 85 had eec-iv, but it's not hooked up anymore. The feedback system is gone, replaced with a 4bbl and HEI. I too have some welding cables on my 85. Block to frame, battery neg to frame, battery pos to solenoid, and solenoid to starter. ...
by BigBlue94
Sun May 24, 2020 12:34 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Beginner 300 moderate rebuild
Replies: 23
Views: 881

Re: Beginner 300 moderate rebuild

1. Does it really have sleeves in the cylinders? That's indicative of multiple rebuilds or a serious crack. 2. 3.& 4. Most shops want to do the teardown themselves, so they know what's correct, and they can see how the engine was treated. I sent my complete shortblock down, and the head, since I...
by BigBlue94
Sat May 23, 2020 12:55 pm
Forum: 240-300 "Big Block" Six Performance
Topic: 1996 F150 Build
Replies: 12
Views: 495

Re: 1996 F150 Build

Oh and I'm running Clifford long tube headers. They are great, except at 2mph in 4 low. That's where they start to bake things and over heat the engine. On the street, they have no issues.
by BigBlue94
Sat May 23, 2020 12:54 pm
Forum: 240-300 "Big Block" Six Performance
Topic: 1996 F150 Build
Replies: 12
Views: 495

Re: 1996 F150 Build

See when I thought “supercharger” I thought of looking one up, but I guess it’s really hard. Nobody has really done it, and or makes any for this type of truck. I seen put turbos, and I’ve given it slight thought to it, but I’m leaning more towards the supercharger. What kind of headers are you run...
by BigBlue94
Fri May 22, 2020 11:26 am
Forum: 240-300 "Big Block" Six Performance
Topic: MPG – Torque – Cruise speed and gear ratio hypothetical?
Replies: 19
Views: 898

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

Can you briefly explain the MSD setup, Paul? I have one off a dodge v8 from the JY that i paid like 20 bucks for. Just a 6AL. Is that usable on a SBF? Or even a BB6? I do understand what MSD stands for. Does it piggyback onto the current ignition system? Like say, my HEI on the 300 or the DSII in my...
by BigBlue94
Fri May 22, 2020 10:58 am
Forum: 240-300 "Big Block" Six Performance
Topic: 1996 F150 Build
Replies: 12
Views: 495

Re: 1996 F150 Build

That could make the swap over less than straight forward. I will let someone else comment on that. The EFI engines are 8.8 :1 compression and if you install a "small" aftermarket cam the engine becomes more detonation prone. The stock cam has 268 degrees of advertised duration so the afte...
by BigBlue94
Fri May 22, 2020 10:29 am
Forum: 240-300 "Big Block" Six Performance
Topic: Intake manifolds
Replies: 62
Views: 6039

Re: Intake manifolds

Oooo, that grey looks excellent. Just file off the Clifford name castings and one would never know it wasn't OEM. I am going to put on a Ford air cleaner as well so know one knows... Thanks guys! Just for reference, it's the duplicolor engine enamel in ford gray. The headers are jet-hot coated in &...
by BigBlue94
Wed May 20, 2020 11:24 am
Forum: 240-300 "Big Block" Six Performance
Topic: Intake manifolds
Replies: 62
Views: 6039

Re: Intake manifolds

Thanks for the feedback guys, I will try to scoop it up. I think the Clifford units look kinda factory with the water ports and all. Might have to paint the intake blue for the stealth stock look.. Mine got a coat of Ford Gray. Shown without the 4bbl adapter plate in the first pic. https://www.supe...
by BigBlue94
Mon May 18, 2020 11:51 am
Forum: 240-300 "Big Block" Six Performance
Topic: MPG – Torque – Cruise speed and gear ratio hypothetical?
Replies: 19
Views: 898

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

I think that the 3.50 ratio has given you good drivability for both town and highway. Ideally you would want a five speed with overdrive and something around the 3.73 rear gear. Ditto OP, my cam specs are as follows Grind Number: 140H Intake Duration (gross): 280 Exhaust Duration (gross): 280 Intak...
by BigBlue94
Mon May 18, 2020 11:39 am
Forum: 240-300 "Big Block" Six Performance
Topic: Intake manifolds
Replies: 62
Views: 6039

Re: Intake manifolds

That intake you are designing in Argentina looks great! Sorry to stop the ball on that project for a second, but I have a quick question for the folks out there. Anyone happy with a Clifford intake for a single carb? I see there is one for sale in my area for $200 including a 2 bbl adaptor. I’m sti...
by BigBlue94
Sun May 17, 2020 3:49 pm
Forum: 240-300 "Big Block" Six Performance
Topic: MPG – Torque – Cruise speed and gear ratio hypothetical?
Replies: 19
Views: 898

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

pmuller9 & BigBlue94 Thanks for the observation of the 2000 rpm cruise target. Are these 9.75:1 engines running a knock sensor, 91oct or camshafts that keep the dynamic CR at lower level might initially appear? I'm not rebuilding my engine again in any case. I set it at 8.9:1 to be tolerant of ...
by BigBlue94
Sat May 16, 2020 11:48 am
Forum: 240-300 "Big Block" Six Performance
Topic: MPG – Torque – Cruise speed and gear ratio hypothetical?
Replies: 19
Views: 898

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

To add... again, 85 bronco, lifted, no OD 37s, 4.56s. Drive from Topeka, KS to Moab, UT and back. 2200 miles, starting at 900ft above sea level, on I70 at 75 mph for 98% of the trip. Peaked over 11,000ft in the Rockies, and wheeled in the rocks of Moab at 4000'. The entire trip I averaged 12mpg. 10 ...
by BigBlue94
Fri May 15, 2020 12:43 pm
Forum: 240-300 "Big Block" Six Performance
Topic: MPG – Torque – Cruise speed and gear ratio hypothetical?
Replies: 19
Views: 898

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

Most important is what size of tire. Generally I see this question with lifted 4x4s, but a van I'm guessing 27-29" tires. My 300 spins in 4th gear (np435, no od) at 3100 rpms at 70 mph. That's with 37" super swampers and 4.56 gears. Generally this would have had 30" tires and either a...
by BigBlue94
Fri May 15, 2020 12:28 pm
Forum: 240-300 "Big Block" Six Performance
Topic: 300 mileage/torque build
Replies: 21
Views: 775

Re: 300 mileage/torque build

Erson Cams E270121 (TQ20H) .478"/.478" 214/214 292/292 111deg. The actual .006 duration is closer to 280 degrees which will keep the DCR low If you go with a larger intake valve you can still move the chamber wall back some while keeping it tight to the valve. The exhaust can be opened up...
by BigBlue94
Thu May 14, 2020 6:14 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Ford 300 Pistons Path of Least Resistance
Replies: 9
Views: 419

Re: Ford 300 Pistons Path of Least Resistance

KB379 is a hyper piston that I have in my 300. 15cc step-dish. I chose this piston because the UPS engines used a similar design, though at lower compression than I. A set of 8 is about $350. Weigh em, and use the 6 closest. I have the top step of the piston coming to zero deck for a 9.75:1 ratio. I...
by BigBlue94
Thu May 14, 2020 5:51 pm
Forum: 240-300 "Big Block" Six Performance
Topic: 300 mileage/torque build
Replies: 21
Views: 775

Re: 300 mileage/torque build

I have a floor shifter and the linkage arms for a T170 out of an 83 econoline (with a 300) on a shelf in my shop. Already sold the clutch pedals and linkage, but you dont need that anyways. Lemme know if this is something that interests you. For the engine, the pcv system is what sounds like is the...

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