Here is a GM Service Bulletin, which explains why your belt looked so good.
Information on Serpentine Belt Wear #04-06-01-013 - (Apr 29, 2004)
Information on Serpentine Belt Wear
2004 and Prior Passenger Cars and Trucks
2003-2004 and Prior HUMMER H2
All current GM vehicles designed and...
Thanks Ken and Motorman. I have been adding the extra quart it disappears rather quickly after a hard day. At the last track event I went to, everyone is always worried about there Oil Temp. 280+. I am more concerned with no oil pressure, I don't even look at the oil temp, just look out the...
Have been looking around for installation How To's etc. but haven't found much. Does anyone have a Accusump setup for a sometime track C5? Or has GM fixed oil starvation problem under high G loads on a 03 C5 with improved oil pan baffling?
How about Top Tier Gas.
http://www.toptiergas.com/retailers.html
http://www.gm.com/company/gmability/environment/fuel_economy_emissions/emissions/detergent_092704.html
Well I don't want to get into a big war over Castrol. But the Canadian Castrol Website says 0W-30 has a 2.9 HTHS. So where are you getting your figures from?
http://www.castrol.com/liveassets/bp_internet/castrol/castrol_canada/STAGING/local_assets/downloads/t/t.pdf
GMpartsdirect has new ones for $37.63 each. The part #'s are 12564257 for the LH and 12564258 for the RH. I've seen them on EBAY but everyone pays $70 + for used ones.
I have a Z05. Its a C5 coupe that has all the cast aside parts from the Z06. Z06 Ti exhaust, Z06 airbox inlet, Z06 anti-sway bars, Z06 wheels and F1 supercar tires and 04 Z06 shocks. Waiting for a good deal on Z06 springs, and my Z05 will be complete.
I have an 03 that had a jingle. It was the O2 sensors that are in the H pipe. There is a metal ring on the metal wire sheilding that jingles. I put a dab of High Temp RTV on it and so far no more jingle.
I have a temp probe installed near the air fillter lid slot, and it dropped the temperatures during the summer months about 10 deg. As far as performance I am not going to venture a seat of the pants rating, but cooler air can't hurt.
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