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Search found 115 matches

by Lunatic Fringe
Wed Dec 12, 2018 11:38 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Permanent 300 Six Cyl Head CFM solutions- A Work in Progress
Replies: 472
Views: 61067

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

Practicing my CAD. My interpretation of what the header flange will look like for the X-flow head.
by Lunatic Fringe
Tue Dec 11, 2018 10:46 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Tractor Puller
Replies: 191
Views: 21707

Re: Tractor Puller

Max_Effort wrote:Nice project!


Thanks! Haven't been posting much lately as I'm dealing with all the "non fun" work that needs to be done. Hope to be posting some pics during the Christmas break.

The local county fair just announced a tractor pull so the pressure is on to be ready!!
by Lunatic Fringe
Wed Sep 12, 2018 2:34 pm
Forum: 240-300 "Big Block" Six Performance
Topic: 300 Piston skirts
Replies: 12
Views: 1330

Re: 300 Piston skirts

If I remember correctly, most crank throws are elliptical,not round. Won't machine well. Way before stroker kits were commonly available, I had to reduce the counterweights on a 460 crank. Ended up being easier and quicker to use a hand grinder to do it all. My 2 cents.
by Lunatic Fringe
Sun Sep 09, 2018 1:46 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Cam Selection for Weber DCOE carbs
Replies: 51
Views: 9308

Re: Cam Selection for Weber DCOE carbs

Image[/URL]
Sorry for the poor quality, it's a screenshot of a VHS video shot in 1985. 3 Webers hiding behind an air filter on a 300. Very strong runner, the engine originally was in a Modified Production 60's Mustang.
by Lunatic Fringe
Sat Sep 08, 2018 4:24 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Tractor Puller
Replies: 191
Views: 21707

Re: Tractor Puller

8C3CJv.jpg
]Got my parts from the waterjet today! Time to weld up an intake and some headers!
by Lunatic Fringe
Mon Sep 03, 2018 4:37 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Tractor Puller
Replies: 191
Views: 21707

Re: Tractor Puller

LOL, I have a head for now, It's a reference to waiting patiently for a new one from World Champ Gramp (And group).
by Lunatic Fringe
Mon Sep 03, 2018 2:23 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Tractor Puller
Replies: 191
Views: 21707

Re: Tractor Puller

Sent these off to get waterjet cut. Intake in 1/2" aluminum, exhaust in 1/2" steel. My first DWG's using AutoCad, he only had to do a bit of cleanup. I'm pretty happy with how they came out. Should get them back in a week. https://imagizer.imageshack.com/v2/280x200q90/921/wTIOw0.jpg
by Lunatic Fringe
Fri Aug 10, 2018 12:33 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Permanent 300 Six Cyl Head CFM solutions- A Work in Progress
Replies: 472
Views: 61067

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

Many thanks to Gramps,Pmuller, etc,etc... for the work you guys are doing. I'm happy to see history unfolding in front of us! Once you get all 3 heads far enough along, it would be nice to have cam recommendations for each level,especially once rollers are available. Do you have a tentative date for...
by Lunatic Fringe
Sun Jul 29, 2018 11:44 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Tractor Puller
Replies: 191
Views: 21707

Re: Tractor Puller

Christmas in July! All my backordered parts finally showed!!! Pistons, head and main studs, rod bearings for the aluminum rods, oil pump, etc, etc .... Now I can start sending the block to the machine shop.

Now if I just had a cylinder head to go with it all.......
by Lunatic Fringe
Sun Jul 22, 2018 12:51 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Permanent 300 Six Cyl Head CFM solutions- A Work in Progress
Replies: 472
Views: 61067

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

Great news!! Not that I'm trying to add pressure. Now that you have this one moving alone, do you have a better idea on when the other 2 will be ready. My program has been pushed back by parts delays enough that I'm hoping I will be able to use one of them and not need to build a ported stocker. Kee...
by Lunatic Fringe
Sun Jul 01, 2018 12:27 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Permanent Flow Fix IDEAS Welcomed
Replies: 15
Views: 1954

Re: Permanent Flow Fix IDEAS Welcomed

Ok, I'll give it a go. From my perspective, a modern intake manifold would top the list. But, the cost and the timeline to R&D such a piece is somewhat unrealistic, and very likely financially a poor idea. So, thinking outside the bun, is a bolt-on top( either cast or sheet metal) in various con...
by Lunatic Fringe
Sat Jun 23, 2018 12:49 am
Forum: 240-300 "Big Block" Six Performance
Topic: Hydraulic Lifter Brand
Replies: 6
Views: 969

Re: Hydraulic Lifter Brand

Not to high jack the thread, but since we're talking lifters, how about recommendations on solids as well?
by Lunatic Fringe
Sat Jun 09, 2018 12:33 am
Forum: 240-300 "Big Block" Six Performance
Topic: Tractor Puller
Replies: 191
Views: 21707

Re: Tractor Puller

Work has been interfering with my hobbies, but finally getting a chance to get back at it. Doesn't help that some parts are delayed too. Welded up the rear end and test fit the axles, wheels and centre section.[image]
6EluVJ.jpg
[/image]
by Lunatic Fringe
Tue May 01, 2018 2:36 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Permanent 300 Six Cyl Head CFM solutions- A Work in Progress
Replies: 472
Views: 61067

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 Lunatic Fringe
Sun Apr 29, 2018 12:10 am
Forum: 240-300 "Big Block" Six Performance
Topic: Permanent 300 Six Cyl Head CFM solutions- A Work in Progress
Replies: 472
Views: 61067

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.
by Lunatic Fringe
Mon Apr 23, 2018 10:51 pm
Forum: 240-300 "Big Block" Six Performance
Topic: What operating rpm can a 300ci. hold safely?
Replies: 25
Views: 3333

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

ARP has head bolts and studs for the 429/460 engines which are 9/16. The deck should be able handle this upgrade. The 1/2" bolt conversion for the Ford 6 is an easy conversion and can handle anything you could ever build forced induction or N/A. So a 9/16 upgrade would last forever. Here's som...
by Lunatic Fringe
Sat Apr 21, 2018 10:45 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Tractor Puller
Replies: 191
Views: 21707

Re: Tractor Puller

chad wrote:nice, appears to be a rear sump?
If so, whaja use for the p/u tube (only)?


Will be rear sump when I'm done.

3/4 x 1/16 wall tubing.
by Lunatic Fringe
Sat Apr 21, 2018 9:44 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Tractor Puller
Replies: 191
Views: 21707

Re: Tractor Puller

Have been very busy doing all the million little details that are part of a project like this. Some pieces can be taken from donor vehicles, most have to be scratch built. For example- brakes. Pullers run individual rear brakes in order to steer on the track when the front wheels are in the air. Rot...
by Lunatic Fringe
Sat Apr 21, 2018 8:46 pm
Forum: 240-300 "Big Block" Six Performance
Topic: What operating rpm can a 300ci. hold safely?
Replies: 25
Views: 3333

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

I went thru "a few" gasket iterations before I found a cure for my persistent head gasket failures. Still using 7/16 fasteners - have not upgraded to 1/2 yet. This with 14.3:CR, 112 RON. Were you losing the gasket between chambers or to the water jacket? Most pullers don't run water, if i...
by Lunatic Fringe
Sun Apr 08, 2018 1:52 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Forged Crank NIB
Replies: 20
Views: 2296

Re: Forged Crank NIB

Nothing wrong with Scat, i've used a lot of their cranks and rods myself. But I have also sent many of them back(cranks not rods) to them because their quality control isn't always consistent, having the issues I mentioned. So with these issues coming from a larger supplier like Scat, who knows wha...
by Lunatic Fringe
Sat Apr 07, 2018 10:37 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Tractor Puller
Replies: 191
Views: 21707

Re: Tractor Puller

iNSTEAD OF SEPARATING THE INTAKE FROM THE EXHAUST WHY NOT JUST LEAVE IT ONE-PIECE. tHEN ADD SIX STUB PIPES WITH TWO-BOLT FLANGES. tHAT WAY THE MOUNTING OF THE INTAKE IS WAY MORE SECURE, LESS PROBLEMATIC IN TERMS OF ALIGNMENT, AND YOU GET THE FLEXIBILITY OF BEING ABLE TO CHANGE HEADER DESIGNS (IF, FO...
by Lunatic Fringe
Sat Apr 07, 2018 1:20 am
Forum: 240-300 "Big Block" Six Performance
Topic: Permanent 300 Six Cyl Head CFM solutions- A Work in Progress
Replies: 472
Views: 61067

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

I am encouraged by the genuine outpouring of support both on and off the Forum. We have been fortunate to have an assemblage of very talented seasoned people who are assisting this effort right here in my backyard (Ft Myers, FL). Some of you have contacted me using the PM alternative and I have res...
by Lunatic Fringe
Fri Apr 06, 2018 11:42 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Tractor Puller
Replies: 191
Views: 21707

Re: Tractor Puller

Testing the bolt and port locations on the CNC. Once I've got that part perfect, I'll add in the parting lines between intake and exhaust plates. Then create a CAD file to send to the Waterjet. Once they come back, I'll be able to start welding up the headers and a sheet metal intake. 5cd2efee822c57...
by Lunatic Fringe
Mon Apr 02, 2018 2:59 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Permanent 300 Six Cyl Head CFM solutions- A Work in Progress
Replies: 472
Views: 61067

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

Lol, no apologies necessary. As a new poster here I don't want to overstep my place.

There are some very smart people with a lifetime of knowledge on here that I'm trying to learn from.

Of course I will continue to post with my project.
by Lunatic Fringe
Sun Apr 01, 2018 9:12 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Permanent 300 Six Cyl Head CFM solutions- A Work in Progress
Replies: 472
Views: 61067

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

Lunatic, I've been trying to make that same how much Hp / where does it break determination too. My circle track application will require a different safety factor, I think, than pullers & drag racers. You folks are hard on the gas for 10 seconds. I'll be hard on the gas for 10 minutes. From wh...
by Lunatic Fringe
Sun Apr 01, 2018 8:42 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Cam question
Replies: 6
Views: 1106

Re: Cam question

THE FRENCHTOWN FLYER wrote:LF,
PM sent.


Have not received it. Not sure why.
by Lunatic Fringe
Sun Apr 01, 2018 2:23 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Permanent 300 Six Cyl Head CFM solutions- A Work in Progress
Replies: 472
Views: 61067

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

This question may have been asked in the past. With the potential of the new aluminum head, at what HP/RPM level do the block and crank become the weak link?
by Lunatic Fringe
Sat Mar 31, 2018 11:20 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Cam question
Replies: 6
Views: 1106

Re: Cam question

THE FRENCHTOWN FLYER wrote:
I also have a couple of solid flat tappet cams - non EEC friendly - that I want to find a new home for.


Could you PM me prices on the 2 cams please?
by Lunatic Fringe
Sat Mar 31, 2018 11:16 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Tractor Puller
Replies: 191
Views: 21707

Re: Tractor Puller

old28racer wrote:Good answer on HP :mrgreen:

I ran a AC Vintage tractor puller up in WA state from 2000 - 2008 so I know what you mean about the sled telling you if the setup is right.

Tom


Nice unit, love the old tractors.
by Lunatic Fringe
Sat Mar 31, 2018 12:40 am
Forum: 240-300 "Big Block" Six Performance
Topic: Tractor Puller
Replies: 191
Views: 21707

Re: Tractor Puller

Your V8 puller was a nice looking rig. I am glad you are up for the challenge of a big block 300+ between the rails. Will be very interested in any dyno reading you may get. How many inches are you going to push the motor out to? What HP range are you looking for? Keep the thread & pictures com...
by Lunatic Fringe
Sat Mar 31, 2018 12:30 am
Forum: 240-300 "Big Block" Six Performance
Topic: Tractor Puller
Replies: 191
Views: 21707

Re: Tractor Puller

NICE Were you able to get the 400 crank to live? Mostly yes,lol. 1 failure when the 2nd owner cheated out on the rearend, broke that during a pull and the motor hit 9400 RPM(according to the tach). The heads survived, the rest of it was subjected to spontaneous disassembly. Crank was machined to be...
by Lunatic Fringe
Fri Mar 30, 2018 1:59 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Tractor Puller
Replies: 191
Views: 21707

Re: Tractor Puller

This is our original chassis(We built in 1982) running a 400M w/Cleveland 4BBL heads(We built in 1990). Points champ several times. Could have assembled a similar motor for our new effort, but we like a challenge.
aYLv0a.jpg
by Lunatic Fringe
Thu Mar 29, 2018 11:58 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Permanent 300 Six Cyl Head CFM solutions- A Work in Progress
Replies: 472
Views: 61067

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

While I would prefer not to use a non Ford head, the reality is that the R&D that is spent on that platform absolutely dwarfs all others combined. Given unlimited funds, our choice would be a baby Boss head. But in order to beat the V8's that we compete against, we have to use every advantage we...
by Lunatic Fringe
Mon Mar 26, 2018 12:18 am
Forum: 240-300 "Big Block" Six Performance
Topic: Early Ford 300 head (years / shape / cc)
Replies: 26
Views: 2972

Re: Early Ford 300 head (years / shape / cc)

We are using GRP alum rods at 6.585 with KB255 pistons in our puller motor. Has .020 offset, not sure on the small end width. Piston is for a 351/372 ci stroker and has SBC pin size. The rods have SBC bearings and pins.
by Lunatic Fringe
Sun Mar 25, 2018 12:09 am
Forum: 240-300 "Big Block" Six Performance
Topic: Tractor Puller
Replies: 191
Views: 21707

Re: Tractor Puller

Because we compete in a Limited Small Block class, we are restricted to a single 4BBL. I would love to be able to use 3-2BBL's. Once we have a season under our belts, I plan on asking for an allowance. Unless all the SBC's are sceeerred of a little ol 6!
by Lunatic Fringe
Fri Mar 23, 2018 11:55 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Tractor Puller
Replies: 191
Views: 21707

Re: Tractor Puller

I just don't how well it will work with a 3500 stall converter. It would be better if the converter stall was close to peak torque so the sled can't drag the engine rpm below peak torque. You would have to try the cam to see where the power band is with your engine configuration. You will need lots...
by Lunatic Fringe
Thu Mar 22, 2018 11:48 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Tractor Puller
Replies: 191
Views: 21707

Re: Tractor Puller

I like the idea of the rear sump. As you probably know the rear sump pickup tube has a tab that bolts to a main cap bolt/stud for support. I'm sure you can come off the girdle with some type of support. Did you decide on what cam to use? Lol, even my combine motor came with that stud. Probably use ...
by Lunatic Fringe
Thu Mar 22, 2018 11:38 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Tractor Puller
Replies: 191
Views: 21707

Re: Tractor Puller

Marine engines sometimes use solid baffles that run almost full with with the gap on alternating sides. This limits the speed at which the oil can move through the pan so that the oil isn't going from end to end every time the boat pitches. If you're just planning on the front wheels leaving earth ...
by Lunatic Fringe
Thu Mar 22, 2018 11:26 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Tractor Puller
Replies: 191
Views: 21707

Re: Tractor Puller

Very nice work :thumbup: Can you post up the length of the 351 drive and any others you may have, when you get it. Thank you. Thank you. The aftermarket 351W drive measures 8 3/16". Aftermarket 460 drive measures 9 5/16". Both have a large OD in the middle that will need to be reduced in ...
by Lunatic Fringe
Thu Mar 22, 2018 11:06 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Tractor Puller
Replies: 191
Views: 21707

Re: Tractor Puller

good plan A 460 pump hex quill will also work if it gets shortened. I use one on the end of a drill to prime before fire-up. The mid sump is a good choice since it has vertical walls for the first three inches all around. Yes, agree on both, a little bit of precussion adjustment in a few spots on t...
by Lunatic Fringe
Thu Mar 22, 2018 1:26 am
Forum: 240-300 "Big Block" Six Performance
Topic: Tractor Puller
Replies: 191
Views: 21707

Re: Tractor Puller

Nice Work :thumbup: Thanks! Now I can order main studs. Will be using 4.75 long studs to allow the thickness of the girdle. plan to shorten an aftermarket pump drive from a 351W to use. My original oil pan is a centre sump, so I'll cut it up to add a deeper rear sump. Plan to test fit the rear sump...
by Lunatic Fringe
Thu Mar 22, 2018 12:50 am
Forum: 240-300 "Big Block" Six Performance
Topic: Tractor Puller
Replies: 191
Views: 21707

Re: Tractor Puller

2 things need to happen during a pull to have maximum success. 1, you need to get as much weight as possible onto the drive tires. 2, you need to be able to accelerate the tractor and sled to as fast as possible as quickly as possible before the weight starts to add drag to the pan. Basically max RP...
by Lunatic Fringe
Tue Mar 20, 2018 12:29 am
Forum: 240-300 "Big Block" Six Performance
Topic: Fly wheel weight
Replies: 5
Views: 1823

Re: Fly wheel weight

Flywheel from the combine motor I tore down weighs 45lbs.
by Lunatic Fringe
Sun Mar 04, 2018 12:50 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Permanent 300 Six Cyl Head CFM solutions- A Work in Progress
Replies: 472
Views: 61067

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

FOLLOWING.

Our initial efforts will be to get our tractor puller out on the track competing consistently with minimal engine issues. Once we have that we will be looking to increase power above what a ported stock head can do. Either with cut and welded V8 heads or one of these.

Good luck!
by Lunatic Fringe
Mon Feb 19, 2018 9:34 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Tractor Puller
Replies: 191
Views: 21707

Re: Tractor Puller

arse_sidewards wrote:
old28racer wrote:Cage looks great, nice fabrication. :mrgreen:

Needs more triangulation! :rolflmao:


Thanks!

More will be added later, I need to make sure all the other parts in that area have room. Things get real tight real quick.

Building the brake pedals, master cylinder and caliper mounts.
by Lunatic Fringe
Wed Feb 14, 2018 10:56 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Tractor Puller
Replies: 191
Views: 21707

Re: Tractor Puller

Roll cage tacked up.[image] <a target="_blank" href="https://imageshack.com/i/polJahUEj"><img src="https://imagizer.imageshack.com/v2/280x200q90/924/lJahUE.jpg" border="0"></a> [/image]
by Lunatic Fringe
Wed Jan 24, 2018 12:42 am
Forum: 240-300 "Big Block" Six Performance
Topic: Tractor Puller
Replies: 191
Views: 21707

Re: Tractor Puller

Thanks for asking on progress. Since this build is different than most on here I wasn't sure how it would fit in. Bending and welding the roll cage, LOTS of notching. Got myself a sponsor over the weekend. Extreme Engine out of Calgary, Alberta. He did the Top Fuel motor converted to diesel that's o...