[Scrapdaddy SR.]

Well, I need to either replace my Kids motor with a good used motor or re-build the 3.8(?) thats in his 2000 pony. how expensive of a job is it to overhaul one of these V6s? or in your opinion just drop another good "used" motor in? If we decide to re-build it is the better heads and bigger cam worth all of the extra money for the performance gains we might see?

Im thinking he has a couple of cracked rings due to the plugs constantly fouling out on the back 2 cylinders. could this just be due to an intake leak(like 5.0's sometime develope) or possibly a PCV system not working properly?

[Juggalo_X]

Originally Posted by Scrapdaddy SR. Well, I need to either replace my Kids motor with a good used motor or re-build the 3.8(?) thats in his 2000 pony. how expensive of a job is it to overhaul one of these V6s? or in your opinion just drop another good "used" motor in? If we decide to re-build it is the better heads and bigger cam worth all of the extra money for the performance gains we might see? Im thinking he has a couple of cracked rings due to the plugs constantly fouling out on the back 2 cylinders. could this just be due to an intake leak(like 5.0's sometime develope) or possibly a PCV system not working properly?

the back 2 cylinders foul out because of a defective PCV valve system did you get your recall done? there is A tsb for a new valve cover on the 99-00 3.8 stangs because the PVC allows to much oil to blow by into the intake and it enters the rear 2 cyl. pull the pcv line off i bet its just full of oil sledge.

[Cricket]

Originally Posted by Juggalo_X Originally Posted by Scrapdaddy SR. Well, I need to either replace my Kids motor with a good used motor or re-build the 3.8(?) thats in his 2000 pony. how expensive of a job is it to overhaul one of these V6s? or in your opinion just drop another good "used" motor in? If we decide to re-build it is the better heads and bigger cam worth all of the extra money for the performance gains we might see? Im thinking he has a couple of cracked rings due to the plugs constantly fouling out on the back 2 cylinders. could this just be due to an intake leak(like 5.0's sometime develope) or possibly a PCV system not working properly? the back 2 cylinders foul out because of a defective PCV valve system did you get your recall done? there is A tsb for a new valve cover on the 99-00 3.8 stangs because the PVC allows to much oil to blow by into the intake and it enters the rear 2 cyl. pull the pcv line off i bet its just full of oil sledge.

It might be that, but it might not be. It could be bad rings. You can't narrow a problem down to one thing without actually being there and tearing into the engine.

[Juggalo_X]

Originally Posted by Cricket Originally Posted by Juggalo_X Originally Posted by Scrapdaddy SR. Well, I need to either replace my Kids motor with a good used motor or re-build the 3.8(?) thats in his 2000 pony. how expensive of a job is it to overhaul one of these V6s? or in your opinion just drop another good "used" motor in? If we decide to re-build it is the better heads and bigger cam worth all of the extra money for the performance gains we might see? Im thinking he has a couple of cracked rings due to the plugs constantly fouling out on the back 2 cylinders. could this just be due to an intake leak(like 5.0's sometime develope) or possibly a PCV system not working properly? the back 2 cylinders foul out because of a defective PCV valve system did you get your recall done? there is A tsb for a new valve cover on the 99-00 3.8 stangs because the PVC allows to much oil to blow by into the intake and it enters the rear 2 cyl. pull the pcv line off i bet its just full of oil sledge. It might be that, but it might not be. It could be bad rings. You can't narrow a problem down to one thing without actually being there and tearing into the engine.

usually bad rings will allow gas to enter the crank case.... do you have any gas in your crank case? does it smell like gas or does the oil look diluted a bit and has the texture as if it has lost some lubricating abilities?

[Cricket]

I know that, but you have to remember you can't narrow it down to one thing on the internet. It's not like a pencil.

Someone can ask why there regular ole wooden pencil isn't writing, and still there are a few reasons to why it may not be. We don't want people comming on here, and thinking that if someone is dealing with a problem, and their problems are similiar that it is the same thing, and that may cause damage to their car. I'm not saying your wrong, but just remember, you can't narrow it down to one thing so quick. You have to go through the process of finding out whats wrong.

[Juggalo_X]

Originally Posted by Cricket I know that, but you have to remember you can't narrow it down to one thing on the internet. It's not like a pencil. Someone can ask why there regular ole wooden pencil isn't writing, and still there are a few reasons to why it may not be. We don't want people comming on here, and thinking that if someone is dealing with a problem, and their problems are similiar that it is the same thing, and that may cause damage to their car. I'm not saying your wrong, but just remember, you can't narrow it down to one thing so quick. You have to go through the process of finding out whats wrong.

i hear yah i just have a feeling thats what it is cuz its a common issue. But yes he could also have a cracked head a valve cover leak, worn valve stems. all of which would cause oil to be on a plug. But like i said i beleive the first thing he should check is the pcv hose just look and see if its all slegy and if it seems like it has been dumping oil into the intake its a start.

[Juggalo_X]

can you give us more info, like any drive ability issues what color is the smoke coming out the pipe? is it loping at idle is it missfiring consistently? do you have and CEL codes?

[ByPopularDemand]

Is there a way to see if that recall has been done on my car?

[Juggalo_X]

Originally Posted by ByPopularDemand Is there a way to see if that recall has been done on my car?

go here http://www.ford.com/en/vehicles/owne...ls/default.htm input your VIN and it will tell you if you have any outstanding recalls/TSB

[stephen]

+1 on the issue of the PVC causing problems in cylinders 3 and 6.

I think a used engine might cost ~$500 and rebuilding it to stock ~$1K. I would rebuild it if it were mine. I don't see anything difficult about rebuilding this engine. It is a pretty standard V6 pushrod engine.

Super six

http://www.supersixmotorsports.com/

has kits to upgrade the top end.

For comparison rebuilding the existing heads including replacing the exhaust guides and surfacing plus gaskets would cost ~$500.

I'm not into non stock engines so you might ask someone else on the benefits.

[Scrapdaddy SR.]

Thank you for the information. We purchased this car from a friend who purched it from a dealer who got it from...??? so the history is vague at best. There has always been a problem with detonation even with premium fuel with this car. EGR problem? possibly. that's what had me thinking it was a cracked ring issue. I will do a wet / dry compression test comparison and post the results. Will also try and find out fault codes(if any) are stored in the computer. The car runs fine until the plug fouls out and then a steady miss. The "smoke" is white in color and "smells" like burnt oil not overly rich fuel mixture if that helps. will look into the PCV problem. The car "smoke" is very noticable on start up hot or cold. and acceloration. constantly having to add oil to the crank case. this tends to lead me to the PCV problem. As far a fuel contamination the oil "thickness" seems ok and no fuel smell. I think what we will do is remove the intake system and have it hot tanked and cleaned(high carbon build up) as well as clean out the PCV and EGR passages and replace all the gaskets on the top end. That is if the compression test checks out OK.

Any more thoughts with this information provided?
Thanks again!

[Juggalo_X]

Originally Posted by Scrapdaddy SR. Thank you for the information. We purchased this car from a friend who purched it from a dealer who got it from...??? so the history is vague at best. There has always been a problem with detonation even with premium fuel with this car. EGR problem? possibly. that's what had me thinking it was a cracked ring issue. I will do a wet / dry compression test comparison and post the results. Will also try and find out fault codes(if any) are stored in the computer. The car runs fine until the plug fouls out and then a steady miss. The "smoke" is white in color and "smells" like burnt oil not overly rich fuel mixture if that helps. will look into the PCV problem. The car "smoke" is very noticable on start up hot or cold. and acceloration. constantly having to add oil to the crank case. this tends to lead me to the PCV problem. As far a fuel contamination the oil "thickness" seems ok and no fuel smell. I think what we will do is remove the intake system and have it hot tanked and cleaned(high carbon build up) as well as clean out the PCV and EGR passages and replace all the gaskets on the top end. That is if the compression test checks out OK. Any more thoughts with this information provided? Thanks again!

Well i think you might jus have the PCV issue you have all the symptoms that my Ford TSB cd states on the recall. one thing you can try is seafoam to clean the intake and such then pull the pcv line off the intake and plug the hole on the intake and then run it for a bit and see #1 if the plugs dont fowl then when the pcv line is not dumping the crankcase fumes into the intake and #2 u can see if the pcv line is spewing out oil on ocation. also go to the link i posted a few posts up and check your vin for recalls.

[stephen]

There has always been a problem with detonation even with premium fuel with this car. EGR problem? possibly.

Our car had the same problem. It was cured by a valve job and scraping the carbon off the pistons. #3 and #6 build up excessive carbon ( due to the PVC problem) which leads to preignition. The excess oil consumption is probably valve guides. On ours the exhaust guides had to be replaced.

The "smoke" is white in color and "smells" like burnt oil not overly rich fuel mixture if that helps. will look into the PCV problem. Thanks again![/quote]

I assume there is not coolant in the oil etc. White smoke could be coolant in the cylinders due to a head gasket problem.

All these things would be taken care of by a valve job assuming the compression test indicates the rings are OK.

[Juggalo_X]

my car has ABSOLUTELY no detonation or ping. im 100% sure i dont. its not an issue if you maintain your car make sure the TSB and recalls are done.

[Scrapdaddy SR.]

Well the "pinging" problem has probabely been diagnosed with so much oil going down into the intake manifold I imagine there is lots of carbon build up on a least a couple of the pistons and combustion chambers. The PCV hose was not full of gunk but allot of oil in the hose and intake manifold port. We blocked the port and put a filter on the PCV Valve port for testing purposes only. The problem of white smoke seemed to clear up. Will let you know the results after a few days of driving. The compression test netted 185 LBS on all cylinders. the wet test did not result in any compression gain. maybe 5 psi. So Im assuming the rings are still in decent condition.

[Juggalo_X]

Originally Posted by Scrapdaddy SR. Well the "pinging" problem has probabely been diagnosed with so much oil going down into the intake manifold I imagine there is lots of carbon build up on a least a couple of the pistons and combustion chambers. The PCV hose was not full of gunk but allot of oil in the hose and intake manifold port. We blocked the port and put a filter on the PCV Valve port for testing purposes only. The problem of white smoke seemed to clear up. Will let you know the results after a few days of driving. The compression test netted 185 LBS on all cylinders. the wet test did not result in any compression gain. maybe 5 psi. So Im assuming the rings are still in decent condition.

i Believe you have found the issue the PVC like i thought. use some seafoam to clean that intake and your good to go i beleive.

[Scrapdaddy SR.]

Yep, It was the PCV valve allowing oil be drawn up into the intake manifold. Added a simple "oil seporator" and new PCV valve and the problem is cured. Now to just get it all cleaned out. SEAFOAM to the rescue. Keep getting a SEL on the EGR system, low flow rate, So it looks like lots of parts to replace. Spark plus, O2 sensors, possibly the CATS as well. allot of oil went through that motor for a good amount of time.

Might be time for a set "test pipes" in place of the CATS, Just t make sure, you know....

[Onemanzu]

precession will do a hard core rebuild for about 2k depending on how hard core you went... 1k for work at a store... that how much i was estimated at... when i started to do pricing...

moranav6racing has rebuild kits... and stroker kits...

also if your lost... the tech sticky at the top has part lists inside...