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Search found 489 matches

by Wesman07
Sun May 13, 2018 9:38 am
Forum: 240-300 "Big Block" Six Performance
Topic: What operating rpm can a 300ci. hold safely?
Replies: 25
Views: 4971

Re: What operating rpm can a 300ci. hold safely?

I successfully made the I-90 continental divid pass in Montana last night. I held 3400 rpm in 2nd gear with a 12,500lbs rig. Took about fifteen minutes to make it to the top. Temp did not rise.

This motor is so close to retirement and I never asked so much from it.
by Wesman07
Wed May 09, 2018 1:12 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Forged crank
Replies: 15
Views: 2812

Re: Forged crank

Thank you CNC dude for this information. I know it has been posted on here before, but I guess I never paid attention to it until now. From what I can find, harmonics won’t hit a dangerous level on these motors until you push above 5,000 rpm. You could push this back by shortening the stroke and or ...
by Wesman07
Tue May 08, 2018 10:34 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Forged crank
Replies: 15
Views: 2812

Re: Forged crank

That is very useful information. I would assume the launches are the hardest on a crank.

Do you think a cast crank would support 4-500 lb/tq and 300 hp for 200,000 miles?
by Wesman07
Tue May 08, 2018 10:05 pm
Forum: 240-300 "Big Block" Six Performance
Topic: heaviest you've towed with a 300.
Replies: 27
Views: 5866

Re: heaviest you've towed with a 300.

I just weighed in with a trailer at 12,400 lbs. My truck empty weights 5,000 and I have 500 lbs of motorcycles in the bed. With over a quarter million miles on this motor, I hope to make it from Philly to Coeur d’Alene. Three things I noticed: 1) I can maintain the same speed with the trailer empty ...
by Wesman07
Tue May 08, 2018 9:06 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Forged crank
Replies: 15
Views: 2812

Re: Forged crank

Hmm. Is there anyone the produces an aftermarket forged crank for these motors? Like scat?

I’m tempted to order one and have it checked. I’m curious if I will get the same thing as Gramps. It’s worth the shipping to find out.
by Wesman07
Tue May 08, 2018 11:57 am
Forum: 240-300 "Big Block" Six Performance
Topic: Forged crank
Replies: 15
Views: 2812

Re: Forged crank

What is “culling”?
by Wesman07
Tue May 08, 2018 10:09 am
Forum: 240-300 "Big Block" Six Performance
Topic: Forged crank
Replies: 15
Views: 2812

Re: Forged crank

They claim these are OEM and not made off shore
by Wesman07
Tue May 08, 2018 8:28 am
Forum: Steering and Suspension
Topic: Take two on radius arm bolts
Replies: 8
Views: 4088

Re: Take two on radius arm bolts

James duff used to make a lot of part for ford front ends. Give them a shot. There is also Bronco graveyard
by Wesman07
Mon May 07, 2018 6:14 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Forged crank
Replies: 15
Views: 2812

Re: Forged crank

Yeah? I would imagine these are made off shore... I’ll have to ask
by Wesman07
Mon May 07, 2018 12:42 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Forged crank
Replies: 15
Views: 2812

Forged crank

While searching for a forged crankshaft I stumbled apon this company. Anyone hear of them? http://crankshaftsupply.com/kits_ford.htm I asked if they were forged, they said “I have both. 25029S is the forged one $217.00 core charge-$50.00 25073 is the cast one $188.00 core charge-$50.00. 1 day to shi...
by Wesman07
Fri May 04, 2018 11:22 am
Forum: Turbo, Supercharger, and Nitrous
Topic: Turbo 240 or 300
Replies: 339
Views: 62702

Re: Turbo 240 or 300

Life gets in the way sometimes. Everyone can understand that.

Glad to hear you didn’t loose interest, or get so frustrated you had to walk away from it.

Just promise us some videos!
by Wesman07
Fri May 04, 2018 8:50 am
Forum: 240-300 "Big Block" Six Performance
Topic: 300 rebuild project
Replies: 212
Views: 35969

Re: 300 rebuild project

That’s a challenge all in itself.
by Wesman07
Fri May 04, 2018 5:47 am
Forum: 240-300 "Big Block" Six Performance
Topic: 300 rebuild project
Replies: 212
Views: 35969

Re: 300 rebuild project

Parts look good. Do you think you will get the motor back together before your leave?
by Wesman07
Fri May 04, 2018 5:43 am
Forum: 240-300 "Big Block" Six Performance
Topic: 300 rebuild project
Replies: 212
Views: 35969

Re: 300 rebuild project

I'm no boosted engine expert. I'm just wondering if asking about boost levels and rod strength is asking the right question. To my knowledge boost is not a good reference for strength. Other factors still have a strong influence such as compression, cam, head etc. This seems to be is a very common ...
by Wesman07
Wed May 02, 2018 9:42 am
Forum: 240-300 "Big Block" Six Performance
Topic: 300 rebuild project
Replies: 212
Views: 35969

Re: 300 rebuild project

... a ranger or 1/2 ton rear leaf may work well repurposed as a mono leaf. Thoughts? That is not how a monoleaf is designed. A true monoleaf spring has a decreasing section area from the center outward to the spring eyes. That creates a more consistent bending moment along the length of the spring....
by Wesman07
Wed May 02, 2018 5:27 am
Forum: 240-300 "Big Block" Six Performance
Topic: 300 rebuild project
Replies: 212
Views: 35969

Re: 300 rebuild project

Where is Missouri are you taking this? Saint joe state park is the only place that I know of with any sand. I think they have a width limit?
by Wesman07
Wed May 02, 2018 5:24 am
Forum: 240-300 "Big Block" Six Performance
Topic: 300 rebuild project
Replies: 212
Views: 35969

Re: 300 rebuild project

It's a good design, It is just hard to get right. There is just little to no adjust ability. You can build it relatively cheap... But it could get costly and difficult to tune. Dont throw out the coil over option yet... you can find good used parts pretty easy and probably for half the cost. You hav...
by Wesman07
Tue May 01, 2018 7:50 pm
Forum: 240-300 "Big Block" Six Performance
Topic: 300 rebuild project
Replies: 212
Views: 35969

Re: 300 rebuild project

You can make separate coil and shock set up work as well. You just have more limitations such as suspension travel. Long coil springs want to bow. Without a guid, you need to make them wide to be stable. Packaging then becomes a challenge. A transverse mono leaf is an option. Look at the dodge sprin...
by Wesman07
Tue May 01, 2018 6:13 pm
Forum: 240-300 "Big Block" Six Performance
Topic: 300 rebuild project
Replies: 212
Views: 35969

Re: 300 rebuild project

You could probably build one of these for pretty cheap if you found VW hubs and spindles. 12” travel is a good number to shoot for. Coil overs will be the most expensive part... about 900 per side for a dual spring setup. I have never seen one with air shocks, probably because they aren’t known for ...
by Wesman07
Tue May 01, 2018 5:48 pm
Forum: 240-300 "Big Block" Six Performance
Topic: 300 rebuild project
Replies: 212
Views: 35969

Re: 300 rebuild project

Oh that’s a sand rail!

They commonly used Volkswagen style front suspensions.
by Wesman07
Tue May 01, 2018 5:18 pm
Forum: 240-300 "Big Block" Six Performance
Topic: 300 rebuild project
Replies: 212
Views: 35969

Re: 300 rebuild project

Sure, I love pictures
by Wesman07
Tue May 01, 2018 3:53 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Permanent 300 Six Cyl Head CFM solutions- A Work in Progress
Replies: 504
Views: 107926

Re: Permanent 300 Six Cyl Head CFM solutions- A Work in Progress

FYI, the Edelbrock 4.0 Jeep head is $1700 at 1 of the resellers AND it's a street head, not a race head. Plus the reality is they need to make a profit in order to continue to create more goodies. I only see the eddy 4.0 jeep heads at like 3000+... where did you see 1700? I received a PM today rega...
by Wesman07
Tue May 01, 2018 5:27 am
Forum: 240-300 "Big Block" Six Performance
Topic: 300 rebuild project
Replies: 212
Views: 35969

Re: 300 rebuild project

Long wheel base vehicles ride better than short, but the longer the wheel base the higher your belly has to be to crest the same dune. Rear sump works great for accelerating and going up hill. Front sump works great for going down hill. High volume center sump might work best, but you will have to p...
by Wesman07
Mon Apr 30, 2018 8:57 pm
Forum: 240-300 "Big Block" Six Performance
Topic: 300 rebuild project
Replies: 212
Views: 35969

Re: 300 rebuild project

125” wheel base isn’t bad, 140” is pretty long. If you want to drive it on the road go with a dual rate coil over, skip the air shocks.
by Wesman07
Mon Apr 30, 2018 1:24 pm
Forum: 240-300 "Big Block" Six Performance
Topic: 300 rebuild project
Replies: 212
Views: 35969

Re: 300 rebuild project

That is still a vary broad category. There are two types of vehicals that pop to mind. The first one being the car to in “Workintomuch” advatar. I only assume that this is his race car. Very cool to say the least. The second vehical is a “trophy rat”... moma was a trophy truck, papa was a rat rod. h...
by Wesman07
Mon Apr 30, 2018 5:16 am
Forum: 240-300 "Big Block" Six Performance
Topic: 300 rebuild project
Replies: 212
Views: 35969

Re: 300 rebuild project

FTF, I rethought the idea of building my own frame from the ground up. I figured it would be a long time before the engine is done, so I would have plenty of time to get a decent dc tig or mig welder, and a manual tubing bender. do you think a solid axle rear would be best or something like a indep...
by Wesman07
Fri Apr 27, 2018 9:58 am
Forum: 240-300 "Big Block" Six Performance
Topic: Street 300 L6 Motor
Replies: 332
Views: 63002

Re: Street 300 L6 Motor

I also like to put a mark on the damper 30 degrees ahead of the TDC notch. That way I can check total advance with a timing light. Example: If I zing the motor up and the 30* line is aligned with the 2* mark on the cover then the advance is 2 + 30 =32*. That is a great idea! I always wondered how p...
by Wesman07
Wed Apr 25, 2018 5:14 am
Forum: The Truck Stop
Topic: 1986 F250 300 i6 efi conversion, SAS and more
Replies: 14
Views: 6548

Re: 1986 F250 300 i6 efi conversion, SAS and more

I really like my under drive trans for moving loads. I shift into 3rd by 25mph, but man it is a treat to make slow tight maneuvers. I do wish I had a fifth when I’m empty at highway speeds. Driving my truck gives me a reason not to talk to people.... probably one of the reasons I like my truck so mu...
by Wesman07
Tue Apr 24, 2018 10:09 am
Forum: Turbo, Supercharger, and Nitrous
Topic: Turbo 240 or 300
Replies: 339
Views: 62702

Re: Turbo 240 or 300

Any updates?
by Wesman07
Tue Apr 24, 2018 5:17 am
Forum: 240-300 "Big Block" Six Performance
Topic: What operating rpm can a 300ci. hold safely?
Replies: 25
Views: 4971

Re: What operating rpm can a 300ci. hold safely?

When you increase the fastener size, are you increasing the torque spec too?
by Wesman07
Sat Apr 21, 2018 9:07 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Has anyone broken a 95-96 hyper piston?
Replies: 4
Views: 1424

Re: Has anyone broken a 95-96 hyper piston?

The standard cast pistons were a weak link. Skirts tend to beak, but the motor often continues to run.

The hypers are much stronger. Breakage is not common unless the motor sees heavy detonation. When they do beak, I’m told the shrapnel is hard and sharp. Usual this will take out other parts.
by Wesman07
Sat Apr 21, 2018 4:10 pm
Forum: 240-300 "Big Block" Six Performance
Topic: 300 I6 EFI performance upgrades
Replies: 277
Views: 75306

Re: 300 I6 EFI performance upgrades

That’s a genious idea! I could see why a radial gas port piston would be limited service... but why vertical?

What do the holes under the top do?

Image
by Wesman07
Sat Apr 21, 2018 2:02 pm
Forum: 240-300 "Big Block" Six Performance
Topic: 300 I6 EFI performance upgrades
Replies: 277
Views: 75306

Re: 300 I6 EFI performance upgrades

Are there holes on the piston top that bypass the rings??
by Wesman07
Fri Apr 20, 2018 12:49 pm
Forum: 240-300 "Big Block" Six Performance
Topic: What operating rpm can a 300ci. hold safely?
Replies: 25
Views: 4971

Re: What operating rpm can a 300ci. hold safely?

I’ll take a stab at this.

I was once told the combustion chambers see roughly a ten times the number you get from a compression check ( this cold be totally bogus) (could have been a hundred times?)


15,000 psi?
by Wesman07
Fri Apr 20, 2018 11:04 am
Forum: 240-300 "Big Block" Six Performance
Topic: What operating rpm can a 300ci. hold safely?
Replies: 25
Views: 4971

Re: What operating rpm can a 300ci. hold safely?

I know it’s safe to hold the engine speed in the peak torque range. Can it hold close to peak horsepower ( 3,000 - 3,400rpm)? We used to run what is called an F.I.E. dynamometer durability test. It consisted of 300! hours of nearly all WOT operation, cycling between max torque peak and max HP peak,...
by Wesman07
Fri Apr 20, 2018 9:37 am
Forum: 240-300 "Big Block" Six Performance
Topic: What operating rpm can a 300ci. hold safely?
Replies: 25
Views: 4971

Re: What operating rpm can a 300ci. hold safely?

FTF, That was the only possible explanation I could think of. The 5mpg drop would confirm that more fuel is being used.
by Wesman07
Fri Apr 20, 2018 9:11 am
Forum: 240-300 "Big Block" Six Performance
Topic: What operating rpm can a 300ci. hold safely?
Replies: 25
Views: 4971

Re: What operating rpm can a 300ci. hold safely?

Thanks for the reply guys. Gramps, you are correct with the application. I run 89 octane, which I believe is enough. The engine temps remain surprisingly LOW. In fact it actually runs colder when being run WOT at 65mph with a load, then without a load and at half throttle. I had initially thought my...
by Wesman07
Thu Apr 19, 2018 11:51 pm
Forum: 240-300 "Big Block" Six Performance
Topic: What operating rpm can a 300ci. hold safely?
Replies: 25
Views: 4971

What operating rpm can a 300ci. hold safely?

I know it’s safe to hold the engine speed in the peak torque range. Can it hold close to peak horsepower ( 3,000 - 3,400rpm)?
by Wesman07
Thu Apr 19, 2018 10:38 am
Forum: 240-300 "Big Block" Six Performance
Topic: 300 I6 EFI performance upgrades
Replies: 277
Views: 75306

Re: 300 I6 EFI performance upgrades

If that does work I couldn't see that being incredibly helpful for porting! ... I am going to get an intake/exhaust manifold gasket and cut the ports out to the gasket. Don't remove any metal off the floors of the ports - you'll just hurt yourself. Enlarging the ports will likely only help if the v...
by Wesman07
Thu Apr 19, 2018 10:35 am
Forum: 240-300 "Big Block" Six Performance
Topic: THE 240 / 300 WHERE ELSE WERE THEY USED? OTHER APPLICATIONS
Replies: 98
Views: 26778

Re: THE 240 / 300 WHERE ELSE WERE THEY USED? OTHER APPLICATIONS

woodbutcher wrote::D Hi Wesman07.I mentioned that I saw one used in a boat in Florida.
Good luck.Have fun.Be safe.
Leo


Not a bad idea either
by Wesman07
Thu Apr 19, 2018 4:21 am
Forum: 240-300 "Big Block" Six Performance
Topic: THE 240 / 300 WHERE ELSE WERE THEY USED? OTHER APPLICATIONS
Replies: 98
Views: 26778

Re: THE 240 / 300 WHERE ELSE WERE THEY USED? OTHER APPLICATIONS

Has anyone seen these in a generator application? I’m looking at some “off the grid” houses, and I realized the need of a strong reliable generator. I recall there being one somewhere in this thread. Your right. It was a closed eBay listing. I found another website though. https://gpmsurplus.com/pr...
by Wesman07
Wed Apr 18, 2018 5:26 pm
Forum: 240-300 "Big Block" Six Performance
Topic: THE 240 / 300 WHERE ELSE WERE THEY USED? OTHER APPLICATIONS
Replies: 98
Views: 26778

Re: THE 240 / 300 WHERE ELSE WERE THEY USED? OTHER APPLICATIONS

Has anyone seen these in a generator application?

I’m looking at some “off the grid” houses, and I realized the need of a strong reliable generator.
by Wesman07
Wed Apr 18, 2018 5:17 am
Forum: Fuel Injection - Mega Squirt
Topic: Sct pro racer software/ sct x4
Replies: 1
Views: 3163

Re: Sct pro racer software/ sct x4

I have been looking into my options for quite some time now. The “stinger pimp” is a ms3 box that is already set up to run OBD1 fords. It is a little more pricey than ms3 alone, but should be worth the hassle in my opinion.
by Wesman07
Tue Apr 17, 2018 5:33 am
Forum: Steering and Suspension
Topic: Stablizer bar to I beam
Replies: 5
Views: 3614

Re: Stablizer bar to I beam

1 1/8” is a good size.

I have a 1” bar with 12” arms up front. It is just barely enough with soft springs
by Wesman07
Mon Apr 16, 2018 5:22 am
Forum: Turbo, Supercharger, and Nitrous
Topic: 1995 EFI 300 turbo build
Replies: 55
Views: 13743

Re: 1995 EFI 300 turbo build

I have been thinking of adding a rear tank to my truck for the sole reason of adding weight to the rear. It’s really hard to get a truck balanced right. The best suspension in the world will ride like crap if 70% of the weight it up front To be fair, the Twin I-beam suspension, while robust as heck...
by Wesman07
Wed Apr 11, 2018 4:29 am
Forum: The Truck Stop
Topic: 1986 F250 300 i6 efi conversion, SAS and more
Replies: 14
Views: 6548

Re: 1986 F250 300 i6 efi conversion, SAS and more

Have you looked into “stinger pimp”? It’s basically megasquirt 3 that is already set up as a replacement for your obd1 computer. http://www.stinger-performance.com/universalparts.html You can get that first, and play with the setting and get comfortable. There are some power gains to be had with jus...
by Wesman07
Tue Apr 10, 2018 9:15 am
Forum: 240-300 "Big Block" Six Performance
Topic: Permanent 300 Six Cyl Head CFM solutions- A Work in Progress
Replies: 504
Views: 107926

Re: Permanent 300 Six Cyl Head CFM solutions- A Work in Progress

It would be silly not to use a product because it uses the technology founded by a competitor. Auto manufacturers steal each other’s designs all the time! You’d be a fool not to!
by Wesman07
Mon Apr 09, 2018 12:23 pm
Forum: Steering and Suspension
Topic: Stablizer bar to I beam
Replies: 5
Views: 3614

Re: Stablizer bar to I beam

What are you looking to do?

Bubba mentioned a whole bunch of designs that fit into the broad category of “stabilizer bars”
by Wesman07
Sun Apr 08, 2018 2:14 pm
Forum: Turbo, Supercharger, and Nitrous
Topic: 1995 EFI 300 turbo build
Replies: 55
Views: 13743

Re: 1995 EFI 300 turbo build

What do you use your truck for?


It is my all purpose fun rig. Dirtbike hauler, wheeler, camping, cross country explorer.
by Wesman07
Sat Apr 07, 2018 7:29 pm
Forum: Turbo, Supercharger, and Nitrous
Topic: 1995 EFI 300 turbo build
Replies: 55
Views: 13743

Re: 1995 EFI 300 turbo build

I've been following along with this with every update and I just want to say thanks for all the pictures and write ups. Just figured I'd throw this out there in case it helps with the fuel pump thing. Quantum 255LPH Fuel Pump Assembly You’re welcome. I just try to think of threads I enjoy reading a...

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