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Search found 284 matches

by 1986F150six
Wed Apr 01, 2015 1:32 pm
Forum: 240-300 "Big Block" Six Performance
Topic: steel crank part numbers goofy and dont match the ford datab
Replies: 13
Views: 2393

Re: steel crank part numbers goofy and dont match the ford d

"Aviation" might be referring to a tug... some were equipped with the 300/4.9L engine and used to tow the big birds around the airport and to hangers.
by 1986F150six
Mon Mar 30, 2015 6:58 am
Forum: 240-300 "Big Block" Six Performance
Topic: 175K miles - phenolyc cam gear
Replies: 16
Views: 2747

Re: 175K miles - phenolyc cam gear

My son's 1984 with fiber gear has over 220K miles and my 1986 with fiber gear has 183K. Both are driven without going over 3K RPMs, normally.
by 1986F150six
Thu Mar 19, 2015 10:48 am
Forum: 240-300 "Big Block" Six Performance
Topic: Spark Plug
Replies: 4
Views: 1266

Re: Spark Plug

I am using the same plug as Econo4spd [Motorcraft SP452] and have had good results. Mine, too, is carbureted [1986 w/Duraspark conversion].
by 1986F150six
Mon Mar 16, 2015 4:11 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Little bit of Dieseling at shut down. Hurting anything?
Replies: 8
Views: 1744

Re: Little bit of Dieseling at shut down. Hurting anything?

Make certain the idle speed is not too high. Sometimes, it is amazing what difference ~100 RPMs will make.
by 1986F150six
Tue Mar 03, 2015 10:52 am
Forum: 144-250 "Small Block" Six Performance
Topic: Building Fox-Body Header for Factory AC
Replies: 32
Views: 12013

Re: Building Fox-Body Header for Factory AC

Very innovative! Definitely thinking outside of the box! :thumbup:
by 1986F150six
Mon Feb 23, 2015 2:09 pm
Forum: 240-300 "Big Block" Six Performance
Topic: which 2100 carb?
Replies: 12
Views: 4430

Re: which 2100 carb?

Recently, a wise and respected forum member said something like, "don't be afraid to fail", in reference to experimentation! :D
by 1986F150six
Wed Feb 11, 2015 2:16 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Link to custom made 3 X 1 carburetor intake...
Replies: 2
Views: 893

Link to custom made 3 X 1 carburetor intake...

This may have been seen previously [if so, I apologize], but I just ran across it and enjoyed seeing something different.

http://www.topictimes.com/videos/autos/ ... Ev1pA.html
by 1986F150six
Wed Jan 07, 2015 3:09 pm
Forum: 240-300 "Big Block" Six Performance
Topic: any experience with mass market long blocks
Replies: 15
Views: 1953

Re: any experience with mass market long blocks

Looking to replace the 240 in my 71 F100 with a 300 long block. The 240 has issues (smokes, runs pretty rough) and locally no one wants to really tackle it. So I am planning on getting a long block and doing the work myself. At the same time, I am going to swap out the 3-on-the-tree for a c4 transm...
by 1986F150six
Wed Jan 07, 2015 2:40 pm
Forum: 240-300 "Big Block" Six Performance
Topic: carburetor choices suggestions
Replies: 3
Views: 1131

Re: carburetor choices suggestions

On my 1986 4.9L F150, I switched to Duraspark distributor and used a Carter YF from a 1970 F350. The carburetor works very well and was manufactured prior to any emissions, which I wanted due to having eliminated the EGR. I do, however, still use catalytic convertors. Emission testing is not require...
by 1986F150six
Thu Dec 04, 2014 4:19 pm
Forum: 240-300 "Big Block" Six Performance
Topic: 300 Custom Valve Cover, breather?
Replies: 4
Views: 1078

Re: 300 Custom Valve Cover, breather?

The factory breather holes have baffles, to prevent oil vapor from being sucked into the carburetor.
by 1986F150six
Fri Oct 10, 2014 11:55 am
Forum: 240-300 "Big Block" Six Performance
Topic: How much lifter wear is acceptable? *VIDEO*
Replies: 19
Views: 1980

Re: How much lifter wear is acceptable? *VIDEO*

For what it's worth, I think I stumbled upon my valve train noise today when I cranked it up after putting the valve cover and everything back together. It was making a HORRIBLE racket and I could feel it in the valve cover over #6. I loosened the valve cover and it starter jumping up and down on t...
by 1986F150six
Mon Sep 29, 2014 9:55 am
Forum: 240-300 "Big Block" Six Performance
Topic: Link to a thread about a recipe for gas mileage [4.9L/300].
Replies: 19
Views: 3715

Link to a thread about a recipe for gas mileage [4.9L/300].

This is an ongoing project and maybe someone will be interested in a little reading:

http://www.ford-trucks.com/forums/13259 ... 300-a.html
by 1986F150six
Tue Sep 02, 2014 2:29 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Need Help With Timing
Replies: 11
Views: 1952

Re: Need Help With Timing

By rotating the distributor clockwise, the timing is being retarded. That is why the performance suffers.
by 1986F150six
Tue Aug 26, 2014 9:12 am
Forum: 144-250 "Small Block" Six Performance
Topic: Best source for adjustable distributor vacuum cannister?
Replies: 3
Views: 694

Best source for adjustable distributor vacuum cannister?

Please tell me the best source for adjustable vacuum canister. My engine is a 4.9L [yes, I realize wrong forum], but there seems to be more discussion regarding this topic in this forum. My distributor is a Duraspark with a Motorcraft non-adjustable canister.

Thank you in advance.
by 1986F150six
Tue Aug 19, 2014 4:24 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Industrial 300 at work (in the scrap bin! gasp)
Replies: 34
Views: 7273

Re: Industrial 300 at work (in the scrap bin! gasp)

I'm 99.9% sure the E7TE engine will have a cast crank. I wonder if the HD engines got EFI in '87? Like the trucks did. It looks like the fuel injection valve cover on the engine. My son's 1984 purchased from the original owner and my 1986, also purchased from the original owner, both have the valve...
by 1986F150six
Fri Aug 08, 2014 7:05 am
Forum: 240-300 "Big Block" Six Performance
Topic: best cruising economy, period
Replies: 42
Views: 6017

Re: best cruising economy, period

is there a definite this or that in terms of cruising economy? I'm currently running a ford 3.03 with a 3.0?8ish rearend, behind a carb'd 240 (soon to be either an EFI or carbed 300 six) so final drive will be most comfortable where these engines like to be anyways, and she'll probably get antsy ov...
by 1986F150six
Wed Jul 09, 2014 9:19 am
Forum: 240-300 "Big Block" Six Performance
Topic: Exhaust manifold question
Replies: 21
Views: 2296

Re: Exhaust manifold question

Biblethumpncop,

The Edelbrock intake manifold looks GREAT! I envy you finding one... :D
by 1986F150six
Wed Jul 02, 2014 1:58 pm
Forum: 240-300 "Big Block" Six Performance
Topic: E-bay (Edlebrock 1V) Intake for 240-300
Replies: 11
Views: 1815

Re: E-bay (Edlebrock 1V) Intake for 240-300

Looks like it sold for $122. I didn't buy it, but I did buy a clean Edelbrock 300 intake locally yesterday for $100. http://i147.photobucket.com/albums/r310/LeChicBowtique/Mobile%20Uploads/2014-06/e7678635-8985-4423-91c9-5226e0cd0da0_zps0b9f9013.jpg Great score! Thanks for sharing the photo. Enjoy!
by 1986F150six
Mon Jun 23, 2014 4:12 pm
Forum: 240-300 "Big Block" Six Performance
Topic: What timing should I shoot for
Replies: 6
Views: 1033

Re: What timing should I shoot for

If you are conservative and have a little time and feel comfortable with using a timing light [as opposed to a vacuum gauge], then set the timing at 8 degrees BTDC and drive. Place the engine under a load like accelerating up a hill and listen for pinging. If no pinging is detected, advance another ...
by 1986F150six
Thu Jun 12, 2014 10:28 am
Forum: 240-300 "Big Block" Six Performance
Topic: New to me: 1986 F150 4spd 4WD
Replies: 8
Views: 1393

Re: New to me: 1986 F150 4spd 4WD

I am running 215/75 X 15" tires, which are stock. My transmission is the manual O.D. with, I believe, 0.71:1 overdrive ratio. My son's truck [1984 with feedback, manual O.D. and 2.47:1 differential] used to get an honest 24-26 mpg @ 60-65 mph. This was before we [here in the South] were introdu...
by 1986F150six
Wed Jun 11, 2014 4:16 pm
Forum: 240-300 "Big Block" Six Performance
Topic: New to me: 1986 F150 4spd 4WD
Replies: 8
Views: 1393

Re: New to me: 1986 F150 4spd 4WD

I drive very conservatively. Normal weekly driving is urban with stop signs and 25, 35 and 45 mph streets. I average 16-17 mpg in Winter and 18+ mpg in Summer. At 55-60 mph, the mileage jumps to 22+ mpg. With 3.08 gearing, the engine is turning 2000 RPMs @ 70 mph and ~1570 RPMs @ 55 mph. I short shi...
by 1986F150six
Fri Jun 06, 2014 6:33 am
Forum: 240-300 "Big Block" Six Performance
Topic: New to me: 1986 F150 4spd 4WD
Replies: 8
Views: 1393

Re: New to me: 1986 F150 4spd 4WD

tds_felix, I own a 1986 F150 with the same engine. When purchased from the original owner, it ran poorly and returned 8-11 mpg. I chose to do a Duraspark retrofit and have been quite pleased for 5+ years. As 80broncoman stated, if anything is wrong with the feedback system, the ignition timing is lo...
by 1986F150six
Wed Jun 04, 2014 2:57 pm
Forum: 240-300 "Big Block" Six Performance
Topic: split manifolds
Replies: 3
Views: 1302

Re: split manifolds

By doing so, one will potentially have a much better flowing exhaust, but you lose the factory source of heat to the intake manifold.

There are ways around this, though. Search for information regarding an intake manifold heating plate [uses hot coolant].
by 1986F150six
Fri May 16, 2014 8:13 am
Forum: 240-300 "Big Block" Six Performance
Topic: Transmission swap
Replies: 23
Views: 2790

Re: Transmission swap

[quote="Nashtooth"]Prolly smokes tires when you forget you're not at the dragstrip. In truth my 300 fantasy is quite ordinary: it would make 460 torque and wear tires quickly while shaming c****s but wait I'm too old for that kind of ideation right?[/ quote] Never! What is "too old&qu...
by 1986F150six
Fri May 09, 2014 6:53 am
Forum: 240-300 "Big Block" Six Performance
Topic: HELP PLEASE!!
Replies: 14
Views: 1994

Re: HELP PLEASE!!

A friend of mine is a Ford Technician and has been since the early '80s. As The Frenchtown Flyer said, it could possibly be "a plugged pickup sock". That is the fuel filter inside the gas tank at the end of the pickup tube. When trucks came into the shop [ way back then ] with a stopped up...
by 1986F150six
Thu May 08, 2014 9:14 am
Forum: 240-300 "Big Block" Six Performance
Topic: good vibrations...bad vibrations ; got the latter
Replies: 16
Views: 1880

Re: good vibrations...bad vibrations ; got the latter

sdiesel, Previously, you mentioned taking off the serpentine belt and looking for wobbling of the harmonic balancer. I'm guessing you did this at idle speed. While the belt was off, did you happen to rev the engine to the magic point [2000+ RPMs] of vibration? If not, you might want to repeat this t...
by 1986F150six
Fri May 02, 2014 11:16 am
Forum: The Truck Stop
Topic: Vac line to heater control
Replies: 6
Views: 2393

Re: Vac line to heater control

I had a thought... the way you made the "internal" splice [using the WD40 red straw] means that the ID is considerably smaller than with the original vacuum line. Have you noticed if it takes longer for the desired heater setting change to occur?
by 1986F150six
Tue Apr 29, 2014 11:41 am
Forum: The Truck Stop
Topic: Vac line to heater control
Replies: 6
Views: 2393

Re: Vac line to heater control

A friend of mine has been a Ford technician since the early 1980s. He told me that there is a very small ID vacuum hose [3/64 ?], which is what they used at the dealership facility to splice together the broken plastic vacuum lines. Sounds like you did the same thing "internally" rather th...
by 1986F150six
Tue Apr 29, 2014 11:31 am
Forum: 240-300 "Big Block" Six Performance
Topic: Distributor theory 101...
Replies: 19
Views: 1964

Re: Distributor theory 101...

I am enjoying reading the input and am gaining a better understanding [the purpose of the thread]. Thanks to everyone for taking the time to respond!

I hope others may gain a better understanding, as well.
by 1986F150six
Tue Apr 29, 2014 11:20 am
Forum: 240-300 "Big Block" Six Performance
Topic: comp cams oval track
Replies: 9
Views: 1452

Re: comp cams oval track

I don't have the cam card in front of me but am 99% sure that is the same cam in this vintage dirt track car. This is my 14 year old grandson on the track in his 2nd practice session on the track. He had raced go carts before but first time in a race car. With the gear we had in that day we were tu...
by 1986F150six
Mon Apr 28, 2014 8:28 am
Forum: 240-300 "Big Block" Six Performance
Topic: air horns?
Replies: 5
Views: 979

Re: air horns?

Or, perhaps this?

viewtopic.php?f=1&t=69172
by 1986F150six
Fri Apr 25, 2014 7:18 am
Forum: 240-300 "Big Block" Six Performance
Topic: Distributor theory 101...
Replies: 19
Views: 1964

Distributor theory 101...

I am seeking collective wisdom for what might be common knowledge, but something I have missed. Yesterday, I purchased a replacement distributor cap and rotor. My truck is a 1986, which has been converted to Duraspark, so I purchased parts designated for 1983. Through my life, I have replaced these ...
by 1986F150six
Fri Apr 25, 2014 7:00 am
Forum: 240-300 "Big Block" Six Performance
Topic: problems after engine swap. oil light is quie, runs terrible
Replies: 6
Views: 1052

Re: problems after engine swap. oil light is quie, runs terr

Did you swap out the oil sending unit when you switched engines? Perhaps the sending unit is not compatible with your "idiot light" set-up? See if you can find a mechanical oil pressure guage and temporarily install it where the oil pressure sending unit is. That way you can get an accurat...
by 1986F150six
Tue Apr 15, 2014 7:23 am
Forum: 240-300 "Big Block" Six Performance
Topic: Carby height
Replies: 9
Views: 1691

Re: Carby height

This is some interesting reading and might provide an idea or two.

http://www.ford-trucks.com/forums/95279 ... 300-a.html
by 1986F150six
Mon Apr 07, 2014 3:30 pm
Forum: 240-300 "Big Block" Six Performance
Topic: MPG experiment... [4.9L/300 engine prefers low revs]
Replies: 20
Views: 5207

Re: MPG experiment...[4.9L/300 engine prefers low revs] - UP

The weather is moderating and I always notice improved mileage with warmer temperatures. [ less choke usage and switch from winter blend gasoline? ] Here are some updated figures. Sometimes, I dream of "hopping up" the engine, but when I am reminded of how well this combination actually pe...
by 1986F150six
Mon Mar 31, 2014 9:29 am
Forum: 240-300 "Big Block" Six Performance
Topic: Re-jetting a Carter YF?
Replies: 9
Views: 2321

Re: Re-jetting a Carter YF?

Is it possible that your truck has a vacuum leak causing the lean condition?
by 1986F150six
Thu Mar 20, 2014 8:12 am
Forum: 240-300 "Big Block" Six Performance
Topic: MPG experiment... [4.9L/300 engine prefers low revs]
Replies: 20
Views: 5207

Re: MPG experiment... [4.9L/300 engine prefers low revs]

When I wanted gas mileage I put 247k miles on a '94 FESTIVA. THAT was a thrill ride you won't find at SIX FLAGS. The thrill entirely depends how long it took you to put those 247k on it. I once averaged 85ish mph over a 5k oil change (not in my truck).[/ quote] And, your 5000 mile oil change interv...
by 1986F150six
Tue Mar 11, 2014 1:45 pm
Forum: 240-300 "Big Block" Six Performance
Topic: MPG experiment... [4.9L/300 engine prefers low revs]
Replies: 20
Views: 5207

MPG experiment... [4.9L/300 engine prefers low revs]

I retain fuel consumption records reflecting my very reproducible weekly driving pattern. This is for a 1986 F150 with 4.9L engine, 4 speed manual overdrive, 3.08 rear gears, 215/75 X 15 tires, Duraspark conversion and I drive for economy. I drive 5 days a week to and from work. I live in and pass t...
by 1986F150six
Wed Feb 26, 2014 9:19 am
Forum: 144-250 "Small Block" Six Performance
Topic: Damper Lesson Learned
Replies: 9
Views: 1136

Re: Damper Lesson Learned

I considered that too. Odds are I'll probably tune to the point of peak vaccume now. Haven't looked yet to see if the timing cover bolts will come out without a lot of hassle. I've never tuned to vaccume before but it might be time to give that a go. I'm definitely learning on this machine though. ...
by 1986F150six
Wed Feb 26, 2014 8:57 am
Forum: 240-300 "Big Block" Six Performance
Topic: Low manifold vacuum
Replies: 5
Views: 811

Re: Low manifold vacuum

Have you tried adjusting the timing while reading the vacuum? Does the vacuum reading vary as you rotate the distributor?
by 1986F150six
Wed Feb 26, 2014 8:15 am
Forum: 240-300 "Big Block" Six Performance
Topic: Observations regarding ambient temperature and MPG.
Replies: 4
Views: 874

Observations regarding ambient temperature and MPG.

I shared this on the FTE forum and thought it might be of interest to owners of trucks powered by relatively stock 4.9L/300s.

http://www.ford-trucks.com/forums/12999 ... ature.html
by 1986F150six
Tue Feb 25, 2014 9:27 am
Forum: 240-300 "Big Block" Six Performance
Topic: 300 IL6 Engine Height
Replies: 4
Views: 723

Re: 300 IL6 Engine Height

Perhaps this link will help:

viewtopic.php?t=20500&highlight=
by 1986F150six
Thu Feb 20, 2014 3:29 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Please bear with me...
Replies: 6
Views: 833

Re: Please bear with me...

Thank you all for your responses. The reason I posted in the "small six" forum was to draw from their experience with the smaller carburetors.
by 1986F150six
Thu Feb 20, 2014 11:38 am
Forum: 240-300 "Big Block" Six Performance
Topic: Please bear with me...
Replies: 6
Views: 833

Re: Please bear with me...

Cute! Thanks for your input, JackFish.