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Carbon Buildup

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stang72 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote stang72 Quote  Post ReplyReply Direct Link To This Post Topic: Carbon Buildup
    Posted: July-06-2006 at 8:14pm
If you have a 312 , 292, etc (y block)... interceptor from 62 it holds...get this...the Dearborn shop manual says 6-8 quarts! Thats a quite range! It took closer to eight!
That pan is BIG!
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Tim D View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Tim D Quote  Post ReplyReply Direct Link To This Post Posted: July-06-2006 at 6:43pm
Look at the 1967 Chrysler engine manual. Go to page 4, they hold 7 and 8 quarts. But according to 79, I don't know what I'm talking about. I've owned my boat for 16 years, I know what I'm talking about.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Tim D Quote  Post ReplyReply Direct Link To This Post Posted: July-06-2006 at 6:25pm
OK, in 1966 PCM didn't exist. The engine options CC offered then were Chrysler, Mercruiser, Interceptor, Revley, Gray Marine, O.M.C. and Universal. Here's a pic from the 1966 Brochure showing my motor, an Interceptor. Compare that oil pan to the Mercruiser oil pan.
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77stang View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote 77stang Quote  Post ReplyReply Direct Link To This Post Posted: July-06-2006 at 6:13pm
Tim,

i caught your 1,8 error, didnt think it was worth mentioning. regarding the oil pan, the manual is clear (see reference section) 302, 351 - 5 qts. 460's - 6 qts. not trying to call you out on this but i simply dont know where your getting your info - its certainly not from the pcm manual at least for my vintage of pcm 302.

Now, 79, you mentioned 8mm cables. my 302 currently has 7mm cables. DIM has the pretty 8mm ford blue ones for $45 and the PCM 7mm ones for around $30. Are the 8's worth the premium?
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79nautique View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote 79nautique Quote  Post ReplyReply Direct Link To This Post Posted: July-06-2006 at 4:21pm
No I don't I guess they made special pans for you that no other manufacturer used that where 6 qt pans.

I guess I'll have to look and find a Ford that as a 351w or 302 engine and a 6 qt Pan.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Tim D Quote  Post ReplyReply Direct Link To This Post Posted: July-06-2006 at 4:09pm
You really have a problem admitting you're wrong or made a mistake. My friends '66 American Skier has the same oil pan.
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79nautique View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote 79nautique Quote  Post ReplyReply Direct Link To This Post Posted: July-06-2006 at 4:05pm
it's only 6 qt's if it's an aftermarket oil pan or it has been modified, because the stock pans are 5 qt. Well then again it's really old so they made them that way back then....NOT!!!!
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Tim D Quote  Post ReplyReply Direct Link To This Post Posted: July-06-2006 at 4:01pm
I don't know why, I've been told this by two mechanics. I'm going to pick up my motor Friday which has the 6 quart oil pan. I'll ask my cuz to explain it to me.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote 79nautique Quote  Post ReplyReply Direct Link To This Post Posted: July-06-2006 at 3:52pm
still waiting for you to explain how one cylinder gets leaned out over another regard less of it's location. I guess the front cylinders create less vaccum because they are tilted, or should I say they're higher than the others, they are all tilted at the same angle.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Tim D Quote  Post ReplyReply Direct Link To This Post Posted: July-06-2006 at 3:45pm
Oh crap, I meant 1 and 5.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote 79nautique Quote  Post ReplyReply Direct Link To This Post Posted: July-06-2006 at 3:25pm
So how does the tilt of the motor lean out the front and rear of the motor then?
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Post Options Post Options   Thanks (0) Thanks(0)   Quote 79nautique Quote  Post ReplyReply Direct Link To This Post Posted: July-06-2006 at 3:22pm
don't have to I can look at my plugs and they are all a nice chocolate color on all of them.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Tim D Quote  Post ReplyReply Direct Link To This Post Posted: July-06-2006 at 3:19pm
Why don't you drive 400 miles and take the exhaust manifolds off your boat and see which ports are the cleanest.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote 79nautique Quote  Post ReplyReply Direct Link To This Post Posted: July-06-2006 at 2:41pm
Originally posted by Tim D Tim D wrote:

Number 1 and 8 should run the leanest because of the tilt.


WRONG!!!!! bunch of bullsh*t

If the carb is adjusted correctly and you don't have a valve issue or weak compression on the cylinder they will all be the same.

The tilt of the motor will not have any effect. Think what you want it's bullsh*t that the tilt of the enginie will effect the amount of gas vabor going to a cylinder. Having weak compression in a cylinder or a flat cam lobe, or carboned up valve will restrict the amount of vaccum to the cylinder. The tilt will not have any effect.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Tim D Quote  Post ReplyReply Direct Link To This Post Posted: July-06-2006 at 2:15pm
Yeah, forget the kids, you need those $80 Accel wires. Number 1 and 5 should run the leanest because of the tilt.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote David F Quote  Post ReplyReply Direct Link To This Post Posted: July-06-2006 at 2:04pm
...and its worth the extra cash to buy PCM wires so you get the PCM logo printed on each wire
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Post Options Post Options   Thanks (0) Thanks(0)   Quote 77stang Quote  Post ReplyReply Direct Link To This Post Posted: July-06-2006 at 1:54pm
but i'm poor and my babies cry when their hungry.

ahh, forget the kids - the boat needs to be fixed
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Post Options Post Options   Thanks (0) Thanks(0)   Quote 79nautique Quote  Post ReplyReply Direct Link To This Post Posted: July-06-2006 at 1:48pm
forget all of that just break down and buy a new set of 8mm wires and a new cap.

If you don't have a high output coil then the platnum plugs are realy a waiste of money and are not going to help anything. I just use the standard 24's and replace them every year.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote 77stang Quote  Post ReplyReply Direct Link To This Post Posted: July-06-2006 at 1:43pm
thanks 79, i was counting on your input.

cap is old, it was recently off and put back on. plugs have less than ten hours on them. autolite platinum, i am little suspect of the of the quality of the plugs themselves.

regarding the wires, yes, after thinking about it a while before my posting, i was wondering the same thing.

i think i'll,

1. clean a carboned plug and put it in a known good cable location

2. put a suspect cable on a known good cap location

3. put a good cable in a suspect cap location

hopefully this will narrow it down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote 79nautique Quote  Post ReplyReply Direct Link To This Post Posted: July-06-2006 at 1:08pm
they are not firing correctly, check for loose or worn spark plug wires, bad dist cap.

Also check and make sure the firing order is correct. Fords are numbered 1-4 on the drivers side 5-8 on the passenger side.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote 77stang Quote  Post ReplyReply Direct Link To This Post Posted: July-06-2006 at 1:01pm
I have excessive carbon buildup on plug #1 and plug #8. all other plugs look terrific.

what does this imply? thanks
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