New LS1 Owners - Newbie Tech - Weird cold start issue
11-27-2010, 03:54 AM
Just hit the 30s tonight where I live in central texas, and I when I go to start the car theres a strange knocking/rattle/clicking sound coming from what seems like the passenger side floor board. goes away a few seconds after start up. Doesn't sound like the motor is knocking. It's really hard to explain.
Just put in LCA's and a PHB. It's an 02 with 66k. M6.
Best way to describe it would be a pacesetter Y pipe hitting the floor board under WOT, but my exhaust is basically factory. My gaues are all where they are supposed to be, even on a start up.
11-27-2010, 04:14 AM
stock motormounts? excessive engine movement on startup?
11-27-2010, 04:32 AM
Thats probably it...she feels cammed at idle.
I'm guessing poly motor mounts?
11-27-2010, 04:34 AM
next time before you start it cold just pop the hood and look at the motor while somebody starts it. i did the poly mounts when i had the exhaust out and im just glad i got it out of the way. no more engine movement, and now that im cammed it makes the biggest differance.
11-27-2010, 04:42 AM
I will report back with findings.
I could literally start the car, it will make the sound, drive 5'. turn car off, restart car, and everything be normal.
I did a sick nasty power slide today, think toykio drift, could that have messed something up?
11-27-2010, 09:50 AM
It's my console rattling I believe. Or something directly under it.
Went away by the time I backed it out of the driveway.
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