How about adding some STP oil treatment? Would that do anything?
Thanks all!
Peppy...
Anyone have blue smoke upon first startup?
Re: Anyone have blue smoke upon first startup?
Or maybe valvoline engine conditioner.:
http://www.partsamerica.com/ProductDeta ... yCode=2049
thanks all!
http://www.partsamerica.com/ProductDeta ... yCode=2049
thanks all!
Re: Anyone have blue smoke upon first startup?
Yea, sadly the 91 has blue smoke on startup and when sitting for a few hours :(
1991 Chevy Astro Extended- Stock 4.3


Re: Anyone have blue smoke upon first startup?
Both my 90 and 93 did it aswell. The 93 started to get a nice big cloud once it was up around 500,000 KMs but only for a second. Never saw any reason to fix it tho. The cost compared with the inconvenience of the puff of smoke defiantly didn't make it a worth while repair.

Do you smell what Barack is cookin ?!?!
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- I sleep in my van
- Posts: 389
- Joined: Sat Sep 09, 2006 8:28 pm
- Location: Canton/Holly Springs GA (Atlanta)
Re: Anyone have blue smoke upon first startup?
My 90 emits blue smoke at the following times:
Any time it has been turned off for longer than 20 minutes.
20W50 oil made no difference.
Any time it has been turned off for longer than 20 minutes.
20W50 oil made no difference.
I was told getting my beauty sleep was a waste of time.
1990 Astro (Z motor) mostly original @ 343,584 miles (552,944.8488960001 Canadian) (03/2008). Bad startup puff. Starting to spray for skeeters. Gone 06/07/08.
1993 Astro with a bad W motor. Parked next to a chicken coop in Talking Rock GA
I'm 'tween Canton and Holly Springs (North NorthWest of Atlanta GA)
I haul bottled water everyday- between 500 and 2500 pounds (226.796185 and 1,133.980925 Canadian) INSIDE the van.
1990 Astro (Z motor) mostly original @ 343,584 miles (552,944.8488960001 Canadian) (03/2008). Bad startup puff. Starting to spray for skeeters. Gone 06/07/08.
1993 Astro with a bad W motor. Parked next to a chicken coop in Talking Rock GA
I'm 'tween Canton and Holly Springs (North NorthWest of Atlanta GA)
I haul bottled water everyday- between 500 and 2500 pounds (226.796185 and 1,133.980925 Canadian) INSIDE the van.