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I was woundering how to get more power out of my 300 I 6. How hard is it to rebuild and is it wrth a rebuild. Also what after market exaust sounds and performs the best.
For sheer tourque, the 300 really cant be beat, not much to do for cheap HP on a 300. I would reccomend the later exhaust manifold, it is a split unit and can easily be set up for duals, with no h pipe and a good set of turbo mufflers it can sound like an old dual exhaust 6cyl Jag.
More power, cheap, and 300 6cyl are not words usually found together.
You can make more power, but not cheaply. And, no matter what you do and spend, it's still a 6cyl, and as such, HP will be lacking. Torque, on the other, is something that big six can give an abundance of, even in stock form.
Torque is what moves a load. HP is how fast it can be moved.
In my opinion, the 300 I6 is one of the best engines ever produced. It may not move stuff fast, but it'll move stuff quite well, and for extremely long periods of time.
Thanks guys my 300 has some oil blow buy issues must I rebuil the motor to repair or how urgent is this issue and I would like to put a flowmaster on it but what sounds and performs the best. I am a carpet installer and it is in a van so tourqe is what I am after.
The blowby is really just an indicator of how the rings are sealing. If it's pretty bad, a rebuild may be needed in the near future. If it's just a minor annoyance, the engine could last for another 100K or more. Start with the basics, ensure the PCV system is functioning correctly. Many times, a non-functioning PCV system is the reason for excessive blowby to be noticable.
Personally, I love the sound of the flowmaster 40 under my truck. Windows up, can't hear a thing. Windows down, just a nice pleasant tone. That's with the exhaust exiting behind the rear wheel, as per factory setup, and 2.25" pipe full length, no cat.
Fixing the blow-by issue is a good idea, but motor rebuilding can get expensive real fast. You could put rings/bearings in it if it's not too far gone. Compresion/leak-down tests will help you determine the engine condition prior to pulling it apart. The engine is very basic and easy to work on. I rebuilt a 240 back in '83 or so. It was a real cheap re-ring/bearing job and it ran great. You have to try hard to kill the 300!
The exhaust answer is: EFI manifolds, Walker downpipe and the cat-back of your choice. For more $ you could upgrade the induction system to 2V or 4V carb.
Also, depending on trans/rear gear ratio combo, dropping to a lower rear gear ratio can make a huge difference. Ford was very prone to use a very high rear gear ratio behind the 300, as it would keep the RPM down low, where the torque could do all the work.
It's not uncommon to find 3.00 rear gears behind an OD trans, or 2.75 and higher behind a non OD trans.
Well the blow by seems to be an issue just smoke a lil out of the filler cap don't really want to spend a lot on the truck its only purpose is to haul carpet but don't want to look like a hobo bullin up to a half million dollar house the cometics of the van are fare.
Check the PCV valve and hose that attaches to it. They may be plugged up, or partially plugged. Replacement parts are cheaper than a couple quarts of oil.....
That PCV system usually sucks all the blowby back into the intake, where they get burned up and spit out the tailpipe. If the valve or hose and intake fitting are partially plugged, the system cannot perform it's job correctly.
Well the blow by seems to be an issue just smoke a lil out of the filler cap don't really want to spend a lot on the truck its only purpose is to haul carpet but don't want to look like a hobo bullin up to a half million dollar house the cometics of the van are fare.
Ok I'm looking at the system all seems hooked up correctly but o well do u think some lucus oil additive would help this old motor not stop the blow by but help the old seals internaly
Lucas stuff is pretty good. It certainly won't make things any worse, but it may or may not help much.
As far as the PCV system, it can be hooked up correctly, but if it is gunked up inside, it won't work as effectively. Looks can be decieving, in this regard.
One valve's hose connects to a vacuum source. If you have another valve in your oil filler cap, that one should connect to the PCV filter in your air filter housing. I have this setup on my 302 though, I'm not sure if the 300s are different.
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