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2018 Contributors:
StarDiero75, curts56, DannyG, B RON CO, wsa111, Captainslow42, falconcritter
Econoline, THE FRENCHTOWN FLYER, 95FordFleetside, turbo6, Max_Effort, WorldChampGramp
cr_bobcat, C.S.Designs, pmuller9, gus91326, rwbrooks50, rocklord, drag-200stang, Big64my79Effie, CNC-Dude, gb500

2019 Contributors:
NJwpod, 1strodeo, mightynorseman, maxtrux, 6d7coupe

Search found 150 matches

by BigBlue94
Mon Jan 21, 2019 3:38 pm
Forum: 240-300 "Big Block" Six Performance
Topic: 1996 4.9l Headers
Replies: 6
Views: 163

Re: 1996 4.9l Headers

The reason you dont find them is what Pmuller stated. However, you can weld a bung into each collector, and after the cat. Then, you get the joy of building a y pipe and exhaust. Or paying someone to do it. Was an all day job for me. Longtubes really crowd the passenger side up. Long tube headers on...
by BigBlue94
Mon Jan 21, 2019 10:12 am
Forum: 240-300 "Big Block" Six Performance
Topic: 300 torque build 85 Bronco
Replies: 104
Views: 7125

Re: 300 torque build 85 Bronco

Okay thanks Paul. I'll definitely check for proper roller to valvetip pattern.
by BigBlue94
Mon Jan 21, 2019 9:22 am
Forum: 240-300 "Big Block" Six Performance
Topic: 300 torque build 85 Bronco
Replies: 104
Views: 7125

Re: 300 torque build 85 Bronco

So I went to set my valve cover on the other day and it wasnt close to touching the head surface. I need approximately .400 to clear the rocker arm nuts. I've got a Marshall spacer coming to cure that. However it had me thinking because I know others have had much better clearance. I decided to chec...
by BigBlue94
Fri Jan 18, 2019 2:09 pm
Forum: Machine Shops & Engine Builders
Topic: Topeka, KS Miller Precision Machine
Replies: 0
Views: 16

Topeka, KS Miller Precision Machine

Recently had my 300 rebuilt by Dustin Miller. He is the owner and only employee of Miller Precision Machine, in North Topeka, KS. He's a drag racer and can build pretty much any engine from a SBC to a big rig Cummins diesel to a turboed and sleeved 4banger. His work has even been mentioned in a few ...
by BigBlue94
Thu Jan 17, 2019 8:49 am
Forum: 240-300 "Big Block" Six Performance
Topic: 300-6 drawings
Replies: 6
Views: 237

Re: 300-6 drawings

Not to argue against a six, but is the Zephyr V12 gone or damaged or what? Those v12s are SWEET! Gonna be singing Hot Rod Lincoln all day now lol
by BigBlue94
Sat Jan 12, 2019 10:50 am
Forum: 240-300 "Big Block" Six Performance
Topic: I bought a used zf5-42 for my 1984 f-150
Replies: 21
Views: 365

Re: I bought a used zf5-42 for my 1984 f-150

The zf5 crossmember is not straight. When looking from above, it has a U shape. Usually there are holes in the frame for most transmissions available then. Since this is crossing generations, you may need to drill your own. I know AbandonedBronco had the lower holes already in his 85 bronco, can't r...
by BigBlue94
Fri Jan 11, 2019 4:44 pm
Forum: 240-300 "Big Block" Six Performance
Topic: I bought a used zf5-42 for my 1984 f-150
Replies: 21
Views: 365

Re: I bought a used zf5-42 for my 1984 f-150

Ditto on the 87+ trans tunnel cover. Its taller than the 80-86. User AbandonedBronco points out that the zf boot mounts to the tunnel cover differently than the old 4spd trannys. Its specific to the zf5/m5od. The M5od shifter design however, makes removal on those more difficult than the zf5 equippe...
by BigBlue94
Fri Jan 11, 2019 11:21 am
Forum: 240-300 "Big Block" Six Performance
Topic: I bought a used zf5-42 for my 1984 f-150
Replies: 21
Views: 365

Re: I bought a used zf5-42 for my 1984 f-150

Are you going to rebuild the trans? If so, check put Torque King 4x4 or Allstate gear for all the little parts. You'll need to convert into to a 87 style tailhousing and output shaft for your speedometer I believe (im not up to snuff on 4x2 stuff). Your master cylinder should work, but the line is i...
by BigBlue94
Fri Jan 11, 2019 9:10 am
Forum: 240-300 "Big Block" Six Performance
Topic: 300 torque build 85 Bronco
Replies: 104
Views: 7125

Re: 300 torque build 85 Bronco

I picked it up yesterday! https://www.supermotors.net/getfile/1144111/fullsize/20190110_172823.jpg https://www.supermotors.net/getfile/1144112/fullsize/20190110_172842.jpg Got my sheet of specs at home, but main and rod bearing clearance is .0027 and .0029 respectively. He originally prepped the cra...
by BigBlue94
Fri Jan 04, 2019 2:40 pm
Forum: 240-300 "Big Block" Six Performance
Topic: 300 torque build 85 Bronco
Replies: 104
Views: 7125

Re: 300 torque build 85 Bronco

Supposed to be getting the engine back Monday or so. After 10 months in the shop, its finally near complete. I've decided to not port the head at this time. My reason for this is I have a 15hr trip to Moab at the end of April. I haven't driven this bronco in 2.5 years and can't afford any more downt...
by BigBlue94
Fri Jan 04, 2019 1:17 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Flowmaster American Thunder Exhaust
Replies: 5
Views: 319

Re: Flowmaster American Thunder Exhaust

I had a 40 series flownaster on mine. Sound was fine, but nothing to excite me. Now the borla xr1 I have is a different story. Of course I went to a 2.5 into single 3" system with long tube headers, so that makes a difference too. I built my system from mandrel bends and a welder.
by BigBlue94
Fri Jan 04, 2019 12:36 pm
Forum: Announcements
Topic: Major forum upgrade coming soon!
Replies: 17
Views: 714

Re: Major forum upgrade coming soon!

TheHighRoad firearms forum also uses xenforo, and its easy to navigate and ususe have no issues with it.
by BigBlue94
Wed Nov 28, 2018 10:06 am
Forum: 240-300 "Big Block" Six Performance
Topic: Points distributors?
Replies: 25
Views: 612

Re: Points distributors?

My 85 300 was running on one with a pertronix kit in it. Plenty of spark to 5000 rpm.
by BigBlue94
Mon Nov 26, 2018 2:08 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: 514

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

I'm running a Clifford single 4bbl manifold and presumably a set of their long tube headers. They are both 15 years old. The headers have no leaks, but were quite dirty with burnt on mud. I had them coated by jet-hot for my build that's nearly complete.
by BigBlue94
Tue Nov 20, 2018 9:22 am
Forum: 240-300 "Big Block" Six Performance
Topic: Ford 300 build
Replies: 4
Views: 317

Re: Ford 300 build

Si valves has both versions of 1.94/1.6 valves specifically for the Ford 300, no need for Chevy crud.

Agreed, you're going to need a bigger cam. That 260 is actually smaller than the 270 factory cam
by BigBlue94
Mon Nov 19, 2018 6:52 pm
Forum: E-Bay Finds
Topic: BB6 Holman Moody intake
Replies: 0
Views: 236

BB6 Holman Moody intake

Big Six Holman-Moody intake on Craigslist. Central Kansas

https://wichita.craigslist.org/pts/d/holman-moody/6740338584.html

Image
by BigBlue94
Mon Nov 19, 2018 6:23 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Permanent 300 Six Cyl Head CFM solutions- A Work in Progress
Replies: 370
Views: 29899

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

No immediate plans for intake manifolds. The Clifford Four barrel intake has bosses for injectors. Just for others reference, this is the Clifford intake. It has the cast-in bosses for injectors and hold-downs as noted. It's also not technically just a 4bbl manifold. It has a square bore, that eith...
by BigBlue94
Sun Nov 18, 2018 11:33 am
Forum: 240-300 "Big Block" Six Performance
Topic: Carb head combustion chamber question.
Replies: 79
Views: 2337

Re: Carb head combustion chamber question.

You'll need to figure the dynamic compression for that cam, to determine what octane you can use. Pmuller helped me with the formulas. I'm building a 9.75:1 engine, with a 7.49 dynamic CR to stay on pump gas. It has to do with when the valve opens and closes in relation to the location of the piston...
by BigBlue94
Sat Nov 17, 2018 12:01 pm
Forum: 240-300 "Big Block" Six Performance
Topic: 300 torque build 85 Bronco
Replies: 104
Views: 7125

Re: 300 torque build 85 Bronco

Aye, so a good start would be smoothing out the runners in the head, then making a template and transferring that to my Clifford intake. I recieved a bent remflex intake gasket, so I was able to use it to compare the ports of the intake to the ports in the spare C8 head I have. The Clifford ports ar...
by BigBlue94
Sat Nov 17, 2018 10:38 am
Forum: 240-300 "Big Block" Six Performance
Topic: 300 torque build 85 Bronco
Replies: 104
Views: 7125

Re: 300 torque build 85 Bronco

Dropped the balancer and flywheel off yesterday so he could balance it all. It's in the cleanroom, head ready to be assembled. Valves have been back cut and the bowls opened up and smoothed out. He did not want to touch the ports. Without a flow bench, he didn't feel comfortable doing them. My guess...
by BigBlue94
Fri Nov 16, 2018 11:14 am
Forum: 240-300 "Big Block" Six Performance
Topic: Carb head combustion chamber question.
Replies: 79
Views: 2337

Re: Carb head combustion chamber question.

Hmmm I use a simple formula

Pi × bore × stroke × #of cylinders.

My pi times 4.050 is 7.23450247

..... and now I see the error of my ways lol I'm doing circumference, not area :bang:

That puts my 4.060 300 at 309.15"!
by BigBlue94
Wed Nov 14, 2018 10:52 am
Forum: 240-300 "Big Block" Six Performance
Topic: Carb head combustion chamber question.
Replies: 79
Views: 2337

Re: Carb head combustion chamber question.

Cylinder swept volume is 51.272 Engine displacement is 307.634 It is important that GPGoverMPG reads post #13 and doesn't do any further chamber volume work except to get them all about the same. Where did you get that figure? I didn't add the area around the pison down to the rings, but does that ...
by BigBlue94
Tue Nov 13, 2018 11:45 am
Forum: 240-300 "Big Block" Six Performance
Topic: Carb head combustion chamber question.
Replies: 79
Views: 2337

Re: Carb head combustion chamber question.

Just to nitpick a bit, his displacement with the 4.050 bore will be 303.84", not 308".

Averaging the stroke to 4" instead of the actual 3.98 makes a difference, especially when calculating compression ratios.
by BigBlue94
Sat Nov 03, 2018 11:31 am
Forum: 240-300 "Big Block" Six Performance
Topic: Needing more Top End power
Replies: 20
Views: 1045

Re: Needing more Top End power

If you've swapped a cam, you can swap heads and intakes. Just take pictures as you disassemble so you can reassemble properly. The 300 is a seriously simple engine and great to cut your teeth on. There's only one way to learn... A set of long tube headers will move your powerband higher, if coupled ...
by BigBlue94
Fri Nov 02, 2018 9:59 am
Forum: 240-300 "Big Block" Six Performance
Topic: Trick to removing lifters?
Replies: 7
Views: 433

Re: Trick to removing lifters?

I too used a pick and moved them up and down a bunch till they popped out.
by BigBlue94
Wed Oct 17, 2018 4:54 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Ford 300 Clifford intake 4 barrel
Replies: 4
Views: 472

Re: Ford 300 Clifford intake 4 barrel

The Clifford has a leg up on the offy manifolds because you can orient the carb however you like. Mine has the throttle control pointing towards the valve cover and uses the factory throttle cable and bracket. The remflex intake/exhaust gasket is the best out there. Mine has a water jacket on the un...
by BigBlue94
Tue Oct 16, 2018 2:26 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Tubing diameter, etc.
Replies: 8
Views: 555

Re: Tubing diameter, etc.

If you can do it yourself, you can create a much better y-pipe than a shop will do. For instance, this is the y-pipe I made vs the old one that a shop made. It's 2" pipe, and takes up more room than my 2.5" pipe. Mine also tucks up above the bronco crossmembers and none of the exhaust is b...
by BigBlue94
Tue Oct 16, 2018 12:35 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Tubing diameter, etc.
Replies: 8
Views: 555

Re: Tubing diameter, etc.

I'm running long tubes with a custom 2.5" y-pipe into 3" with a borla muffler and out a 3" tailpipe. No issues.
by BigBlue94
Mon Oct 08, 2018 6:42 pm
Forum: Gasoline Alley
Topic: Getting A'head at the Pull-N-Pay
Replies: 3
Views: 2922

Re: Getting A'head at the Pull-N-Pay

Great post! I can't really disagree with any of it. I actually started a thread elsewhere asking what to take with me when I went for the first time. It had great responses. I could post it if no one objects... My 2 cents: I take my tools in with me, and put them in the cart or wheel barrow. Works f...
by BigBlue94
Mon Oct 08, 2018 9:45 am
Forum: 240-300 "Big Block" Six Performance
Topic: cannot leave well enough alone-Fords Y pipe
Replies: 16
Views: 680

Re: cannot leave well enough alone-Fords Y pipe

:beer: :wow: that's a good looking set of pipes. :thumbup: :nod: Thanks! Here's where my wideband o2 sensor goes, right into the collection point. With the long tube headers, that's the closest I could get it to the engine. https://www.supermotors.net/getfile/1108649/fullsize/20170519_181259.jpg
by BigBlue94
Sun Oct 07, 2018 9:37 am
Forum: 240-300 "Big Block" Six Performance
Topic: cannot leave well enough alone-Fords Y pipe
Replies: 16
Views: 680

Re: cannot leave well enough alone-Fords Y pipe

I looked at the walker pipe for my 351w... the head pipes joined at a 90° angle! That just won't do. So I made my own, which lead to me making one for my 300 powered bronco with long tubes as well. It (300 system) has 2.5 inch "downpipes" merging into a single 3" pipe by way of a flow...
by BigBlue94
Fri Oct 05, 2018 6:40 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Ford 4.2 ignition system on 4.9 is it possible?
Replies: 7
Views: 356

Re: Ford 4.2 ignition system on 4.9 is it possible?

Very interesting topic :hmmm: Can't say much, but it is a distributorless ignition. It also has the power to spark a .100" gap on the plug. Don't ask how I know... My 4.2 is a 99, and it has 200 hp and 250 ft/lbs. Should be plenty for a mild 300. The 3.8 is the same basic engine, and came super...
by BigBlue94
Wed Oct 03, 2018 11:39 am
Forum: 240-300 "Big Block" Six Performance
Topic: The fine points of pointless (Duraspark) distributors
Replies: 15
Views: 738

Re: The fine points of pointless (Duraspark) distributors

84-86 were the feedback computer carbs and dizzys.
by BigBlue94
Mon Oct 01, 2018 11:11 am
Forum: 240-300 "Big Block" Six Performance
Topic: Searching for Builds / Combos
Replies: 41
Views: 2176

Re: Searching for Builds / Combos

Lightning engine is a 5.8L with no major changes other than cam and intake.

Many people use 351w pistons, and if you are at .050 over, you can use 390 pistons, which don't require rod bushings.

I have a build in progress.

https://fordsix.com/viewtopic.php?f=2&t=78031
by BigBlue94
Mon Oct 01, 2018 11:05 am
Forum: 240-300 "Big Block" Six Performance
Topic: The fine points of pointless (Duraspark) distributors
Replies: 15
Views: 738

Re: The fine points of pointless (Duraspark) distributors

I'm not too familiar, but the 73 is not DS2 Correct? If so, you'll need the duraspark2 harness and module to go along with the dizzy. My 85 300 was retrofitted from the feedback system with a points dizzy, converted to electronic with a pertronix kit. Ran pretty well honestly. I assumed it was DS2 u...
by BigBlue94
Sat Sep 29, 2018 5:27 pm
Forum: 240-300 "Big Block" Six Performance
Topic: 300 carb heads
Replies: 11
Views: 608

Re: 300 carb heads

Correct, and they have to be the Scorpion pedestal mount rockers. Otherwise it's mill and stud time.
by BigBlue94
Sat Sep 29, 2018 12:12 pm
Forum: 240-300 "Big Block" Six Performance
Topic: 300 carb heads
Replies: 11
Views: 608

Re: 300 carb heads

To my knowledge all carbed 300 heads had a nominal 76 cc head. All 240 heads have a 68 cc head. Page four of the 3 new heads thread. [quote="WorldChampGramp"]JOSH: Not familiar with the acronym AJE please explain. Josh et.al: Elsewhere in this post and in the Forum there are very good dis...
by BigBlue94
Thu Sep 27, 2018 10:22 am
Forum: 240-300 "Big Block" Six Performance
Topic: 300 carb heads
Replies: 11
Views: 608

Re: 300 carb heads

I was reading awhile back in the 3 aluminum head thread, and either gramps or FTF mentioned that early 300 heads had a slightly smaller chamber size... Maybe 72cc? I cant remember the cut off date, but remember my spare C8TE head being included. ...take with a grain of salt because I am NOT a 300 gu...
by BigBlue94
Mon Sep 17, 2018 6:25 pm
Forum: 240-300 "Big Block" Six Performance
Topic: OK so now what?
Replies: 7
Views: 462

Re: OK so now what?

I was running a 390 Holley 4160 4v carb on my 300 with a Clifford intake (Like the C style). Never had a lack of fuel, even at 5000 rpm. I'm switching to a 450 quick fuel carb that's a modified holley 4160 4v style carb on my peppier rebuild. You can indeed run a 2bbl carb on that DP intake if you u...
by BigBlue94
Fri Sep 14, 2018 6:50 pm
Forum: The Truck Stop
Topic: My first 300. Could use some insight.
Replies: 11
Views: 763

Re: My first 300. Could use some insight.

In the 70s and early 80s, ranger was a trim level just above custom or base. There was also ranger XLT, explorer, prospector (or was that dodge?), and lariat. You most likely have 2.73 or 3.08 gears in the axle(s). Good for economy when everything was new, but severely underpowered. You should find ...
by BigBlue94
Thu Sep 13, 2018 5:56 pm
Forum: 240-300 "Big Block" Six Performance
Topic: 1988 4.9 I6 upgrades
Replies: 40
Views: 1758

Re: 1988 4.9 I6 upgrades

I know of a guy in Idaho that had his head ported and larger valves installed for about $1000
by BigBlue94
Wed Sep 12, 2018 8:09 pm
Forum: 240-300 "Big Block" Six Performance
Topic: 300 torque build 85 Bronco
Replies: 104
Views: 7125

Re: 300 torque build 85 Bronco

Got my ARP rocker studs, comp adjustable guide plates, and some other random items today. Now I seemed to recall Pmuller saying 1.940" centers on the adjustable pushrod guide plates. I was gonna use my spare head to hold them in the right place, but the stud bosses were uneven and wouldn't work...
by BigBlue94
Tue Sep 11, 2018 10:14 am
Forum: 240-300 "Big Block" Six Performance
Topic: Permanent 300 Six Cyl Head CFM solutions- A Work in Progress
Replies: 370
Views: 29899

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

Still following along, though I won't be purchasing, at least in the near future. I too get lost in all the technical jargon but I learn a lot too. (Like the C8 head i have having smaller chambers) I threw a small donation your way. I too am in the middle of an engine rebuild and it's draining the o...
by BigBlue94
Mon Sep 10, 2018 6:03 pm
Forum: 240-300 "Big Block" Six Performance
Topic: 300 torque build 85 Bronco
Replies: 104
Views: 7125

Re: 300 torque build 85 Bronco

SI valves purchased from the link I posted above. https://www.supermotors.net/getfile/1139696/fullsize/20180910_163522.jpg Exhaust valve part# SEV-3005, 1.60" diameter, 4.810" OAL. https://www.supermotors.net/getfile/1139695/fullsize/20180910_163412.jpg https://www.supermotors.net/getfile/...
by BigBlue94
Mon Sep 10, 2018 12:51 pm
Forum: 240-300 "Big Block" Six Performance
Topic: 300 torque build 85 Bronco
Replies: 104
Views: 7125

Re: 300 torque build 85 Bronco

Holy cow, my valves that I ordered Friday around noon showed up this morning in Kansas from Cali. That's fast!

They look real nice, and have nice shape to them, especially the edge of the valves.
by BigBlue94
Fri Sep 07, 2018 12:51 pm
Forum: 240-300 "Big Block" Six Performance
Topic: 300 torque build 85 Bronco
Replies: 104
Views: 7125

Re: 300 torque build 85 Bronco

pmuller9 wrote:
BigBlue94 wrote:Just ordered the SI valves from the link I posted above. 4.810 length stainless 1.94 and 1.6 size.
About 180 shipped. Should be here in 4 or 5 biz day

Thanks for the availability information.

You bet. He has them shipped directly from SI, and they still stock both the 4.810 and 4.750 lengths.
by BigBlue94
Fri Sep 07, 2018 12:21 pm
Forum: 240-300 "Big Block" Six Performance
Topic: 300 torque build 85 Bronco
Replies: 104
Views: 7125

Re: 300 torque build 85 Bronco

Just ordered the SI valves from the link I posted above. 4.810 length stainless 1.94 and 1.6 size.

About 180 shipped. Should be here in 4 or 5 biz day
by BigBlue94
Thu Sep 06, 2018 7:30 pm
Forum: 240-300 "Big Block" Six Performance
Topic: 300 torque build 85 Bronco
Replies: 104
Views: 7125

Re: 300 torque build 85 Bronco

Reading through the "3 new heads thread" I ran into some info I hadn't seen before (Not a big surprise).

You may remember the head I pulled out of that old econoline. It's a C8TE-A head. Apparently that has a smaller 72?cc chamber? Not that it makes a difference in my build.