TAPPING ON PASS. SIDE VALVE COVER????

[Bosko5.0]

there is a tapping from my pass. side valve cover IT only started doing it after I did two burnouts at work , but when I rev it above 1200 its alot more noticable, i think maybe I screwed some thing up, maybe bent a push rod, would a lifter cause this???

I took it valve cover off and everything seams to be ok. I cant do any thing without messing up my car.

 

[MI95Cobra]

did you oil light come on???

 

[MI95Cobra]

it could be a lifter or if your lucky just a push rod....

 

[Guero]

Is it tapping or ticking?? Ticking sounds more like lifter, tapping sounds like a loosened rocker????? Thats my 02

 

[Bosko5.0]

I think its both Its had a tapping since Ive had it, Its ticking when I rev it.

I checked the plugs, they look ok.

I also made a tune and set my rev limiter to 3200 so no more high revs. plus it saves on gas.

 

[Methodical]

I think its both Its had a tapping since Ive had it, Its ticking when I rev it.

I checked the plugs, they look ok.

I also made a tune and set my rev limiter to 3200 so no more high revs. plus it saves on gas.

Check your header bolts. If loose they tend to make the same sound.

 

[gcomfx.com]

How high did you rev the engine? How do the springs look?

 

[95Vert]

Why don't you take the v/c off and take a look?

 

[final5-0]

During that burnout, you could have pumped up lifter or weakened a
spring, or something along those lines.

As said above, you could take a look on the right side to see if anything
looks as it should not be.

Grady

 

[95Vert]

I cracked 2 pistons, bent valves and a whole lotta crap doing a NEW YEARS BURNOUT!!!!

 

[Bosko5.0]

^thats how you break in the new year.

I just talked with the mechanic, he said there was no noise but he said there was spark knock, but no valve train noise.

Altough I put 87 octane, and greased lightning oil engine treatment. maybe it fixed(band aided) it.

 

[95Vert]

wait a minute

spark knock is when the spark ingnites too soon which is caused by a lower octane (87). You need a higher octane to reduce this. How can using 87 octane be a band aid. A real band aid may be to reduce the timing. What do you have it set at?

 

[95Vert]

...

 

[95Vert]

FYI

Octane is a measure of how "fast" the fuel burns or it resistance to combustion. The higher the number, the more "stable" or resistant to ignition it is. How does this help or hurt you when timing a vehicle? Well, when you time your ignition, you want the MOST pressure built up and ready to start pushing that piston back down on the power stroke. This also makes the burn sequence last long for a more complete burn and the most power. Make sense? SO you actually START the ignition sequence EARLY before the piston reached absolute top dead center....the piston is still compressing the fuel and air when the spark plug actually fires. Now, if you have a fuel that has a lower octane rating (i.e. burns FASTER), it can actually burn TOO FAST after the SPARK PLUG FIRES and try to push the piston back DOWN while it is still trying to come UP and finish the compression stroke. That is why you want to run a higher octane fuel when advancing the timing. THAT is SPARK KNOCK.

Now Detonation is pre-ignition. The fuel and air actually ignite before the spark plug even fires. This is detonation NOT spark knock. BOTH sound exactly the same but alot of times detonation is caused by alot of things. Too much compression for your fuel's octane (boost also), spark plugs are too hot of a heat range, hot engine parts (valves and piston faces), etc. ALL can cause detonation. WHen you compress something it gets HOT. When you're compression an already unstable mix of fuel and air, too much isn't always the best. The compression of the intake charge can get so great that it heats up to the point of igniting. WHen this happens before the spark plug was supposed ignite it, this AGAIN, tries to push the piston BACK down on its compression stroke.

Detonation, pinging, preignition, spark knock...whatever you call. ALL are the quickest way to a blown motor...HANDS DOWN no matter how built it is.

 

[Bosko5.0]

i put in 87 4 days after i was getting tapping and that was the first time i ever put 87 in my car . timing *12 i havent checked in a while.

 

[95Vert]

There you go, that tapping is pingin. For 12* you could use 89 octane.

 

[trav_19]

i say lifter noise

 

[Bosko5.0]

i put in 87 4 days after tapping

the greased lightning stuff really quites down valvetrain noise. i will try to go and see if it is still making the noise .

a lifter most likely.

 

[gcomfx.com]

Just curious what it ended up being?

 

[Bosko5.0]

age+lifters= valvetrain noise

i put some engine treatment in it and the mech. couldnt hear anything, when I got there to pick her up no noise like before. since i got it Ive been beatin on it and nothing other then whining.

I guess I' am Ok for now.........................................