for some reason, whenever i keep the throttle at about 1250 or 1300 RPM this weird sounding rattle ..or kinda like shatter sound comes from i think the front of the car. the sound usually isnt there when i am accelerating or decelerating for some reason. what could this be? anybody know? any info appreciated. thanks alot.

 

pop the hood and have a buddy take a listen..

heatshield maybe? "the front of the car" is kinda vague.. A LOT of stuff up there could be rattling..

 

any recent mods? regardless, what are your mods?

 

chattering clutch??

 

a chattering clutch won't sound too much like a rattle. i had the same problems, after so long i just got so fed up with it i took every one of my exhaust heat shields off.

another thing it might be are the tension springs for the exhaust, i've heard a couple people complain about them and i as well had the same problem. i'm not using the tension springs/heat shields anymore and i have no more rattles

 

what causes a chattering clutch..?
also, the cars been out in the cold the past couple of days..could that have caused anything?

 

naw

 

what causes a chattering clutch? ill take off all heatshields and see what happens.

 

bad throwout bearing, or could just be signs of wear

 

also broken teeth on the pressure plate diaphram...

 

slightly bent teeth will do it too

 

If you have a high flow cat, it could be the combs rattling....