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Search found 16 matches

by jrotten67
Sat Nov 02, 2019 4:50 pm
Forum: 240-300 "Big Block" Six Performance
Topic: My 300 Inline 6 Sounds Like a Diesel !!!...HELP
Replies: 22
Views: 4026

Re: My 300 Inline 6 Sounds Like a Diesel !!!...HELP

No...just pulled it and regasketed everything and paint.
by jrotten67
Fri Nov 01, 2019 6:24 am
Forum: 240-300 "Big Block" Six Performance
Topic: My 300 Inline 6 Sounds Like a Diesel !!!...HELP
Replies: 22
Views: 4026

Re: My 300 Inline 6 Sounds Like a Diesel !!!...HELP

Sounds like valve clatter. It is timed by the ECM that runs the TBI. Not really sure I follow your question?
by jrotten67
Thu Oct 31, 2019 11:08 pm
Forum: 240-300 "Big Block" Six Performance
Topic: My 300 Inline 6 Sounds Like a Diesel !!!...HELP
Replies: 22
Views: 4026

Re: My 300 Inline 6 Sounds Like a Diesel !!!...HELP

I read the title of this hoping to get an answer but his issue is not my issue. I also have a 300 that sounds just like a diesel at idle. It has 40lbs pressure at idle most times. Lowest I have seen it is 20-25. This is on a mechanical gauge. The factory gauge always reads just short of high. It is ...
by jrotten67
Thu Jul 25, 2019 7:14 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Can anyone tell me what I have?
Replies: 3
Views: 628

Re: Can anyone tell me what I have?

So it is an older block....I am curious about the head. It has pedestal rockers....what year did the 300s go to that?
by jrotten67
Thu Jul 25, 2019 6:53 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Can anyone tell me what I have?
Replies: 3
Views: 628

Can anyone tell me what I have?

I pulled the 300 from my 78 F 150 and am curious as to what year the motor is. I know its not the original one.

IMG_20190715_114536.jpg


IMG_20190725_182404.jpg


IMG_20190725_182411.jpg


IMG_20190725_181901a.jpg



IMG_20190725_182028.jpg
by jrotten67
Mon Jul 15, 2019 12:06 pm
Forum: 240-300 "Big Block" Six Performance
Topic: What is this tag on my 300?
Replies: 1
Views: 578

What is this tag on my 300?

Starting my TBI swap on my 300 in an old 78 F 150 4WD. While pulling the manifolds I found this tag. Never having dealt with the Ford 6 bangers before was curious as to what it tells me
by jrotten67
Thu Jun 06, 2019 3:55 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Which mini starter for an old 300.
Replies: 8
Views: 1400

Which mini starter for an old 300.

I have a 78 Ford F150 with a 300 in it. It is a 4WD. I am not sure what year 300 it is.......pretty sure it is not the original motor. The starter is starting to drag and not engage at times. Curious as to which mini starter I can use. It has the 435 4 speed in it. Reading on here I gather there is ...
by jrotten67
Tue Feb 19, 2019 6:17 am
Forum: 240-300 "Big Block" Six Performance
Topic: Are all 300 [4.9l] thermostat housings the same?
Replies: 5
Views: 1198

Re: Are all 300 [4.9l] thermostat housings the same?

I did get one of those ports like you have pictured in the junkyard, but like you said my probe was too long to fit in it. Where did you get the aluminum bung? Thanks.
by jrotten67
Sun Feb 17, 2019 2:44 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Are all 300 [4.9l] thermostat housings the same?
Replies: 5
Views: 1198

Are all 300 [4.9l] thermostat housings the same?

I am looking for a way to easily attach a mechanical gauge to my F150. It is a 78 and has a transplanted 300, not sure which year, installed in it. I see that in 80-84 the F350s with the big 6 have a t housing that has a port in the radiator hose outlet. So my question is will all years of the 300s ...
by jrotten67
Thu Feb 14, 2019 8:56 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Mr Gasket 260
Replies: 7
Views: 1293

Re: Mr Gasket 260

To be honest I only chose the Mr Gasket because of the opinions I read on here. The Felpro is about 1/2 the price of the Mr Gasket at A Zone. The truck has a Hedman Hedder on it at the moment and I will probably stick with that. I have been driving the truck for about 2.5 years an have had no exhaus...
by jrotten67
Wed Feb 13, 2019 5:59 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Mr Gasket 260
Replies: 7
Views: 1293

Re: Mr Gasket 260

It sure didn't break at the fold. It is shrink wrapped, but there are no numbers or identification on the package.
by jrotten67
Wed Feb 13, 2019 3:33 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Mr Gasket 260
Replies: 7
Views: 1293

Mr Gasket 260

This is the intake/exhaust gasket for a 4.9. I ordered one of these off Amazon and it came in 2 pieces. Is this correct? In every picture I see this is a 1 piece gasket.
by jrotten67
Fri Oct 12, 2018 4:04 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Offy 5886 questions
Replies: 7
Views: 1401

Re: Offy 5886 questions

Here is the manifold
20181012_155409.jpg

20181012_155418.jpg


So since I am thinking of TBIing it just join the two ports but leave the divider? That makes sense.

20181012_155418a.jpg
by jrotten67
Fri Oct 12, 2018 12:33 am
Forum: 240-300 "Big Block" Six Performance
Topic: Offy 5886 questions
Replies: 7
Views: 1401

Re: Offy 5886 questions

So would it be worth it to machine out the four hole pad down to the divider? I have a mill at work so it would be easy and clean.
by jrotten67
Sun Oct 07, 2018 12:48 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Offy 5886 questions
Replies: 7
Views: 1401

Re: Offy 5886 questions

Nobody knows the difference between the "C" intake and the 5886? I have seen a few threads on here showing the 5886 but none are answering the question of the differences between the two.
by jrotten67
Fri Oct 05, 2018 3:30 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Offy 5886 questions
Replies: 7
Views: 1401

Offy 5886 questions

I ended up with an Offy 5886 for my 4.9 in a 78 F150. It already has a header on it...there when I bought it. Am curious if the 5886 is the same runner wise as the "C" manifold. Other than the 4 hole carb mount what are the differences. I am wanting to TBI the old girl. I just did this to ...