Horrible Startup Sounds......Slap?!?!

[Poseidon215]

Ok my '05 GT is making some horrendous sounds when she first starts and it's like 20 degrees or less outside and has been sitting overnight. Doesn't sound like lifters. I thought maybe something trans related front pump etc. I have seen a few people talk about piston slap but I could not find a video of a 3.8 with a noise similar to mine. So here is a short video right after starting. The sound gets better after about 3-4 min and eventually goes away depending on how long it takes to warm up and how cold it is outside.





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[machinegunsquid]

Sounds like one cylinder is hitting something. Pull your plugs and look for damage.




That's my old motor when I chipped a piston, and it was slapping against the head.

[QUICKSILVER462]

Ouch, SHivers me spine like fingers on a chalkboard.

[Poseidon215]

It goes away after it warms up a few minutes and she runs great. :-/ only 75,000 on her I would hate to have to bore and rebuild her


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[machinegunsquid]

I would still pull the plugs and see if they are damaged any.

[dsmuts]

Your video isn't working for me

[FordMan77]

Pull your plus as suggsested. That doesn't sound good to me at all.

Also, if this motor is trashed, there is no "bore and rebuild". These motor have a VERY picky bottom end and in the end it's cheaper/easier to find a low mile 3800 and swap it in whole.

[transam24]

Pull your plus as suggsested. That doesn't sound good to me at all.

Also, if this motor is trashed, there is no "bore and rebuild". These motor have a VERY picky bottom end and in the end it's cheaper/easier to find a low mile 3800 and swap it in whole.

I don't understand why the 3800 gets such a bad reputation when it comes to rebuilding it. I am a firm believer that if you take the time and care to properly build ANY engine, and make sure everything is properly in specs then you should have no issue. I feel that the reason issues arise with people's rebuilds is that they just cheap out and slap it all back together with used parts. Personally I would rather spend a few extra bucks on piece of mind and Im in the process of rebuilding the engine for my Daytona. You just don't know what you are getting into with a junkyard motor.

[QUICKSILVER462]

I don't understand why the 3800 gets such a bad reputation when it comes to rebuilding it. I am a firm believer that if you take the time and care to properly build ANY engine, and make sure everything is properly in specs then you should have no issue. I feel that the reason issues arise with people's rebuilds is that they just cheap out and slap it all back together with used parts. Personally I would rather spend a few extra bucks on piece of mind and Im in the process of rebuilding the engine for my Daytona. You just don't know what you are getting into with a junkyard motor.

The bad reputation comes from people not assembling the engine correctly. inexperienced people have no business being inside the crankcase of an internal combustion engine, much less a Series II/III 3800.

[WolvesSoulZ]

I think people just say that it is cheaper to get a used bottom end, considering you can often get a 10-50k miles bottom end for like 200-400$. Way cheaper than a rebuild.