Strange Sounds

jdawg1234 · November 25, 2008

OK, bare with me while i explain the sound i heard today from my engine. I turned onto a straight highway today and was just feeling the urge, so i punched it, to the floor. During the acceleration my engine started making a strange sound, which i let continue just so i could get a good listen.

Imagine your using a leaf blower, the sounds the leafs make as they hit the ground or any other object, the small tapping noise the make while hitting that object.

I know that is probably the worst/most retarded explanation ever, but its the only thing i can compare it too, also there was no pattern or time to it, not like a know, it was just at random intervals but still fast.

Im hoping someone will just be able to read this and go, "I know exactly what your talking about and it turned out to be my ___________!"

Although im not holding my breath due to my stupid description.

pwall · November 25, 2008

Engine ping perhaps? Do you have a tune in your truck?

jdawg1234 · November 25, 2008

Nope, completely stock, its like a scratching tapping noise to be a little clearer, wish i could get the sound real good in a video, may try that tomorrow.

dkjbama · November 25, 2008

Very well could be pinging. Did you get a tank of gas at a ghetto no-name station?

How many miles on the truck? Could be carbon on the valves and pistons. Have any of yall ever used SeaFoam through the intake to clean the pistons and intake valves?

I have used it with good results in the past in my D90, my boat and on my dad's old '95 tahoe, but I haven't done it to my truck since I only have 90 miles on it.

EDIT: It could also be a hundred other things too. Exhaust manifold gasket leaking comes to mind. Actually, a tiny exhaust leak could be anywhere and make a noise. Maybe a rock or nail in the tire. Could also be a worn out serpentine belt that only squeaks at high RPM. Truly anything could be it. The sound clip will be telling.

jdawg1234 · November 25, 2008

Very well could be pinging. Did you get a tank of gas at a ghetto no-name station?

How many miles on the truck? Could be carbon on the valves and pistons. Have any of yall ever used SeaFoam through the intake to clean the pistons and intake valves?

I have used it with good results in the past in my D90, my boat and on my dad's old '95 tahoe, but I haven't done it to my truck since I only have 90 miles on it.

EDIT: It could also be a hundred other things too. Exhaust manifold gasket leaking comes to mind. Actually, a tiny exhaust leak could be anywhere and make a noise. Maybe a rock or nail in the tire. Could also be a worn out serpentine belt that only squeaks at high RPM. Truly anything could be it. The sound clip will be telling.

I did get gas at wal-mart tank before the one i'm on now, i was broke and couldn't pass up the price for as far as i needed to go. Truck has 72k miles. Definitely not anything in the exhaust, tire, or belt. Im 100% sure its in the engine. I just know its not a normal noise

On a side note, if i blow it i know where i can get an 8.1L with the allison tranny and complete harness

georgerosen06 · November 25, 2008

blow it up!!!! haha

superjim · November 25, 2008

My guess .. based on your description... it is pinging, also known as detonation, pre-ignition or labor knock.

If you are running regular... add a few gallons of premium to it and see if the noise goes away. That would be a quick and easy way to check it.

2000DV4.8 · November 25, 2008

blow it up!!!! haha

I would have to agree...

jdawg1234 · November 25, 2008

blow it up!!!! haha

I would have to agree...

I would LOVE to do it. The guy already put one in a single cab short bed and dropped it with a 5/7 drop, its amazing. I'd have to get it, then the AWD from a totaled SS, wow that would be sweet

Although my dad, nor my wallet would like that.

Texas Jim, ill try the gas in a couple of days, just filled up yesterday. Thanks for the info.

Draenor · November 25, 2008

Why big block. You can build a bad ass small block with less the hassle.

superjim · November 25, 2008

Why big block. You can build a bad ass small block with less the hassle.

There ain't no substitute for CUBIC INCHES.

jdawg1234 · November 26, 2008

Why big block. You can build a bad ass small block with less the hassle.

There ain't no substitute for CUBIC INCHES.

I dunno texas jim, Draenor has a point. My dad has a 383 stroker drag motor in his mud truck. When he races he runs in 2 classes, in 1 of them he is the only small block, everyone else has 454s or bigger and he always places 3rd or better. Here are some pictures of it, its actually fixing to be for sale, hes building a new one.

2000DV4.8 · November 26, 2008

Why not just throw that in... A sawsall will take care of the headers hitting the hood problem

Any pictures of the beast that goes in?

jdawg1234 · November 26, 2008

Why not just throw that in... A sawsall will take care of the headers hitting the hood problem

Any pictures of the beast that goes in?

I WISH!!!!! It's pushing about 650 to the wheel

He actually swapped to regular style headers after a few months, he forgot to put the caps on once or twice and it started making him nervous lol.

Well here she is, The Maniac.

All of these are before he switched to regular headers, truck looks the same now except now it has a cowl hood on it since there are no headers sticking out of it lol. The wheelie pictures are the newest ones because he has the lightweight aluminum rims instead of those heavy black rock crawler rims.

All of our wreckers are painted like this one. Also, our town just passed a city ordinance against vehicles with no mufflers, anyone care to take a guess as to why?