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Car Forum / Ford / Ford Mustang / April 20055.0 uses oil--Rings or valve stem seals-how to tell
My '90 5.0 uses a qt about every 600 miles. Milage is slightly over 100,000. Will admit over the years I've downshifted a lot to slow down. Obviously it could be the rings but could it also be worn walve stem seals? Is there an easy way to tell which one it might be like if the compression tests ok then are we looking as worn valve stem seals? Thanks Dave >My '90 5.0 uses a qt about every 600 miles. Milage is slightly over >100,000. Will admit over the years I've downshifted a lot to slow down. [quoted text clipped - 6 lines] > >Dave its really ez dave do a comp test then do one and add oil or use a leak down test with a proper tester then again you are a retard and a ford with 100000 is not woth fixing considering you were luckey to get that fucktard hurc ast > My '90 5.0 uses a qt about every 600 miles. Milage is slightly over > 100,000. Will admit over the years I've downshifted a lot to slow down. [quoted text clipped - 4 lines] > Thanks > Dave Well, there are a couple of ways to tell. If you start the engine up and it puffs out smoke, it's the valve seals because you are burning the oil that has leaked past the seals when the engine was off. If you slow down by downshifting and when you accelerate again, and it smokes, it's valve seals. Why? Because when you deaccelerate by downshifting, your throttle plates are closed and you have a lot of manifold vacuum. That vaccum sucks in the oil past the valve seals. Then when you accelerate, the increased air/fuel charge sucks it into the combustion chamber and it is burned. Unless the maintenance was completely ignored, I'd guess that it is valve seals. They will deteriorate with age while a piston ring will not. Kruse--Thanks for your input. I've always maintained the car well with oil changes at the prescribed intervals. This may explain why the hydrocarbons on my biannual smog test keep going up. Frankly if it needed to be rebuilt I was considering a high horsepower crate engine from Ford Racing.That would keep it going another 15 years. Thanks again. Dave > > My '90 5.0 uses a qt about every 600 miles. Milage is slightly over > > 100,000. Will admit over the years I've downshifted a lot to slow [quoted text clipped - 20 lines] > valve seals. They will deteriorate with age while a piston ring will > not. Even as an experiment, changing the valve stem seals can proove fruitful.... This can be accomplished without removing the heads and rates about a 4 on a 1 - 5 scale of difficulty. If the oil ring are worn, one would expect the compression rings to be in the same shape. A cylinder leak test is not a be all/end all test without other tests being done (aside from the fact that a cylinder leak test can only suggest the condition of the compression rings). The puff of smoke on start up is usually a good indicator of stem seal concerns.. the only sure way of confirming this is to visually check. It is more than likely that there are many more trouble free miles to be had from your car with a simple repair. > Kruse--Thanks for your input. I've always maintained the car well with oil > changes at the prescribed intervals. This may explain why the hydrocarbons [quoted text clipped - 30 lines] > > valve seals. They will deteriorate with age while a piston ring will > > not. Jim--Thank you. Dave > Even as an experiment, changing the valve stem seals can proove fruitful.... > This can be accomplished without removing the heads and rates about a 4 on a [quoted text clipped - 47 lines] > > > valve seals. They will deteriorate with age while a piston ring will > > > not. Thanks, Dave... glad you can see not all Canucks are turds. > Jim--Thank you. > [quoted text clipped - 55 lines] > > > > valve seals. They will deteriorate with age while a piston ring will > > > > not. >Thanks, Dave... glad you can see not all Canucks are turds. just warman the only real way to tell is to put engine under hi vacumme situation if i were you i would go down a long hill and use only gears to break closed throttle running at hi rpm thus putting max vacume as possable on valves and seals occasionally punching it to make it smoke have some one follow and observe but hey what do i know i am just a real ford mastertech i have seen guys replace valve seals based on jims advice and they have found no change after repair if ya dont believe me go rite know start up a new car try a ranger its ez to see on them lmfao hurc ast >> Jim--Thank you. >> [quoted text clipped - 68 lines] >> > > > valve seals. They will deteriorate with age while a piston ring will >> > > > not. > Even as an experiment, changing the valve stem seals can proove fruitful.... > This can be accomplished without removing the heads and rates about a 4 on a [quoted text clipped - 8 lines] > there are many more trouble free miles to be had from your car with a simple > repair. It seems the moron troll doesn't know the difference between oil smoke and unburnt fuel smoke. It's obvious with all the post this guy is a hack that is jealous of good mechanics. He is the number one reason NOT to take your car to a dealer.  Signature...And point out that he (Scott Richter) is a jerk. You can quote me. - Quaestor Good info! Hey regarding the troll. I know some of you use a "killfile". I assume it is a file of usernames/email addresses your newsreader client uses to "ignore" certain annoying people's posts. I wanted to share with those who use Outlook Express how you do the same thing. Just click a message from the troll and go up to "Message" menu and click on it and then click on "Block Sender". If you never see the troll's message, you are (a) never frustrated by his stupidity / meanness; and (b) you are never tempted to feed him a response. I think Trolls live for that response. Deny him his food and maybe he'll go away. And in the mean time, for you, it's like he's not there anymore anyway :) SignatureScotter >> Even as an experiment, changing the valve stem seals can proove >> fruitful.... [quoted text clipped - 18 lines] > that is jealous of good mechanics. He is the number one reason NOT to take > your car to a dealer. > Good info! > Hey regarding the troll. I know some of you use a "killfile". I assume it is [quoted text clipped - 9 lines] > away. And in the mean time, for you, it's like he's not there anymore anyway > :) I'd like to share some really good information for anyone still using OE, switch to something better... Signature...And point out that he (Scott Richter) is a jerk. You can quote me. - Quaestor I like OE. -Mike -- Melt away the Cellulite with Cellulean! http://www.MeltAwayCellulite.com/ > > Good info! > > Hey regarding the troll. I know some of you use a "killfile". I assume it is [quoted text clipped - 17 lines] > You can quote me. > - Quaestor >I like OE. > >-Mike I used to like OE.... until for the 5th time it corrupted my news database and I had to re-download the entire newsgroup from scratch. At that point in time, I switched to agent and lived happily ever after since. -- Stephan 2001 Yamaha YZF-R6 How did OE corrupt your news db? I've been using it for a couple years now problem-free. -Mike -- Melt away the Cellulite with Cellulean! http://www.MeltAwayCellulite.com/ > >I like OE. > > [quoted text clipped - 11 lines] > Stephan > 2001 Yamaha YZF-R6 >How did OE corrupt your news db? I've been using it for a couple years now >problem-free. > >-Mike How, I've got no idea. But I have had it happen on multiple occasions that something would get corrupted and it could no longer download new messages and other stuff. I just walked away from it... Maybe they fixed it since...I don't know. -- Stephan 2001 Yamaha YZF-R6 Weird... hope I don't have that problem! So what client are you using now? I've tried Mozilla.. it was OK, but I still prefer OE.. just used to it I guess. -Mike -- Melt away the Cellulite with Cellulean! http://www.MeltAwayCellulite.com/ > >How did OE corrupt your news db? I've been using it for a couple years now > >problem-free. [quoted text clipped - 10 lines] > Stephan > 2001 Yamaha YZF-R6 >Weird... hope I don't have that problem! > >So what client are you using now? I've tried Mozilla.. it was OK, but I >still prefer OE.. just used to it I guess. I like Agent a lot. They have a free version and a version you have to pay for (though I'd wait until 3.0 is released before buying, adding some nice features). http://www.forteinc.com/main/homepage.php -- Stephan 2001 Yamaha YZF-R6 >>How did OE corrupt your news db? I've been using it for a couple years now >>problem-free. [quoted text clipped - 6 lines] > > Maybe they fixed it since...I don't know. OE has been good to me too. My problems are always at my ISP's news server. I complain and wait, and it usually gets fixed. SignatureJohn ThunderSnake #59 >>>How did OE corrupt your news db? I've been using it for a couple years now >>>problem-free. [quoted text clipped - 9 lines] >OE has been good to me too. My problems are always at my ISP's news server. >I complain and wait, and it usually gets fixed. ISP news servers is another thing I walked away from =) I love giganews! -- Stephan 2001 Yamaha YZF-R6 >Kruse--Thanks for your input. I've always maintained the car well with oil >changes at the prescribed intervals. This may explain why the hydrocarbons [quoted text clipped - 5 lines] > >Dave what a tard fact that the seals failed indicated WORN VALVES and VALVE guides replacing seals is a PATCH hurc ast |
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