Does my L6 have the right stuff?
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Does my L6 have the right stuff?
When I pull my 6x12 cargo trailer burning 87 octane, my engine sounds like Gregory Hines having a seisure, i.e., an unnerving amount of tapping and pinging. 93 octane mitigates the pinging, but doesn't eliminate it completely. However, 93 octane seems to make my engine run hotter.
So, I can shell out $800 for a rebuilt long block, but will that fix my problem? Does this engine have what it takes to pull this one ton trailer on the highway at a reasonable speed (60 mph)?
So, I can shell out $800 for a rebuilt long block, but will that fix my problem? Does this engine have what it takes to pull this one ton trailer on the highway at a reasonable speed (60 mph)?
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Ford 9.0 differential (zat help?)
P23575R15
compression's about 150-160 psi per cylinder
carbon deposits? maybe, but ran four tanks of RXP cleaner
timing is set at 6 degrees BTDC and advances off the scale to probably in the 30 degree BTDC range as I rev the engine up to a moderately high idle (i.e., the spot on the harmonic balancer drops down, as one one view it from the right side of engine; the scale on the timing cover has zero near the top and 14 down at the bottom)
got a very greasy Haynes manual
I'm to the point of getting rid of the old girl. Hope I can fix this and many other nuisance problems.
P23575R15
compression's about 150-160 psi per cylinder
carbon deposits? maybe, but ran four tanks of RXP cleaner
timing is set at 6 degrees BTDC and advances off the scale to probably in the 30 degree BTDC range as I rev the engine up to a moderately high idle (i.e., the spot on the harmonic balancer drops down, as one one view it from the right side of engine; the scale on the timing cover has zero near the top and 14 down at the bottom)
got a very greasy Haynes manual
I'm to the point of getting rid of the old girl. Hope I can fix this and many other nuisance problems.
Last edited by only210Kmiles; Oct 1, 2003 at 11:50 AM.
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Pull off the air cleaner assembly. There must have been a pint of black engine oil up inside the housing, and the filter was saturated with black engine oil (I changed the oil only 3 weeks ago).I know I'm working the motor hard pulling this trailer. With the excessive pinging under load, and now this oil inside my breather, is this engine getting ready to give up the ghost?
Will a new 4.9 L Six pull any better??????
Postmaster
Joined: Feb 2003
Posts: 3,441
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From: Muskegon, MI (home)
She sounds pretty sick. First thing I'd do would be a full tune up (plugs, wires, cap, rotor) and filter change (fuel, air, pcv valve). Then grab a can of Deep Creep, with the engine warm spray about 1/3 can down the carb and let it soak in for about 15-20 minutes. Start the truck and let it run, it's gonna smoke like hell so don't freak out. This stuff will break up any deposits in the intake, it cleans: the valves, tops of the pistons, combuston chambers, the whole deal. While it's running spray some more Deep Creep down the carb to clear it out really good. The more I think about it, it sounds like you are having a lot of carbon buildup in the combusion chambers. The Deep Creep will clear it out for you. You can find this stuff at Advance Auto, Autozone, pretty much at any autoparts store. After doing this, I would set the timing to the specs in your manual and try it out. The just tune it by ear until it feels strong. The other thing is, you could have a clogged catalitic converter; that would definately cause a loss in power. You don't need to get rid of that ole girl...she just needs a little TLC and she'll take care of you for a long time!
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Pkupman82,
I recently did all that you suggested, except for the Deep Creep. I did, however, run four tanks with RXP additive that claims to remove carbon deposits.
Have you ever heard of a front seal blowing out because of this piston blowby phenomenon? That's what I think happened Monday after a really hard acceleration into traffic w/ trailer in tow.
Noone has answered this question yet: will a new 4.9L engine pull my 6'x12' enclosed cargo trailer on the interstate?
Thanks for the help
I recently did all that you suggested, except for the Deep Creep. I did, however, run four tanks with RXP additive that claims to remove carbon deposits.
Have you ever heard of a front seal blowing out because of this piston blowby phenomenon? That's what I think happened Monday after a really hard acceleration into traffic w/ trailer in tow.
Noone has answered this question yet: will a new 4.9L engine pull my 6'x12' enclosed cargo trailer on the interstate?
Thanks for the help
Posting Guru
Joined: Sep 2003
Posts: 1,192
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From: lino lakes, mn
look at the vehicle ID tag on the drivers side door post see the axle code go to the area on this site for tech questions and see what you have for a rear end gear ratio if you got less than 3.73 to 1 sell and buy a truck with deeper gears a lot of these trucks were built to get gas milage not pull heavy trailers
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Mountain Pass
Joined: Oct 2003
Posts: 218
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From: Southern Illinois
If you had an air cleaner full of oil, I will bet you have a piston with the ring lands collapsed. I have had this happen. I have been using the 300 cid 6 for years. I probably load it as heavy as anybody could possibly do and have done this several times. Lugging the engine will do this to a 300-6 sometimes.
I still like this engine better than anythig available other than a diesel.
My 300 has pulled 80,000 lb semis and pushed 28 yard roll-off's and disked with a 10' disk when I tried to move my JD 220 (20ft foldup disk). The hydraulics had bled off.
Try that with most any other engine or other brand of truck. NOT.
I recently ran a 300-6 with almost no oil pressure for 6 months. I thought the gauge was broke. Found out it was not when I replaced the old girl with a different 300 that holds 45 lbs on the same gauge.
I still like this engine better than anythig available other than a diesel.
My 300 has pulled 80,000 lb semis and pushed 28 yard roll-off's and disked with a 10' disk when I tried to move my JD 220 (20ft foldup disk). The hydraulics had bled off.
Try that with most any other engine or other brand of truck. NOT.
I recently ran a 300-6 with almost no oil pressure for 6 months. I thought the gauge was broke. Found out it was not when I replaced the old girl with a different 300 that holds 45 lbs on the same gauge.
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The axle code on the door sticker is "07."
I've infered from my Haynes manual that my differential is a Ford 9.0".
The tag on the front of the diff has the following numbers:
WBM-DB 0J17
2 47 9 S3088
Can anyone tell me the gear ratio?
I've infered from my Haynes manual that my differential is a Ford 9.0".
The tag on the front of the diff has the following numbers:
WBM-DB 0J17
2 47 9 S3088
Can anyone tell me the gear ratio?
Senior User
Joined: Jan 2003
Posts: 249
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From: Marshalltown, IA
Not sure about your gear ratio, you sure the door sticker says axle code 07? Here is a link decoding axle codes, hope it helps
http://fordtrucks.com/articles/axlechart.php
Yes a 300 will pull your trailor, but you may be too high geared. I'm with plowpuller, you'll want at least a 3.73 rear if you plan on towing much.
http://fordtrucks.com/articles/axlechart.php
Yes a 300 will pull your trailor, but you may be too high geared. I'm with plowpuller, you'll want at least a 3.73 rear if you plan on towing much.
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