I think I blew a head gasket and I am running on 7 cylinders. I think its a small leak because my radiator fluid doesn't burn up very fast if barley at all, like a big leak would at the head gasket. I ran my car in the 1/4 mile and it ran a 15.7 and I was like, WTF? That was a horrible time compared to my runs before and it felt like it didn't have any power anymore and when I poped the hood I had air bubbles in my reserve tank and my radiator hose to my thermostat was flat! But the hose never went flat again after that and I haven't notice bubbles in the reserve tank lately but then again, I don't pop my hood everytime I park my car. I also noticed that a grey type of smoke barely comes out my exhaust....you can barley tell and I am guessing that its radiator fluid being slowly burned. I haven't checked compression yet on all my cylinders but I will as soon as I take it over my buddies house. So what do u guys think? Does this sound like a small head gasket leak?

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Eric Natzke
91 Firebird 305 TBI
"It Ain't Stock"
http://members.aol.com/j007golden/91firebird.html
For info on certain parts or mods go to the site below
http://members.aol.com/j007golden/modeval.html

 

Mighta just been bubbling because you were running it hard...I'd check the plugs/wires, cap, etc before pulling the head.

 

I have checked my oil and its clean.

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Eric Natzke
91 Firebird 305 TBI
"It Ain't Stock"
http://members.aol.com/j007golden/91firebird.html
For info on certain parts or mods go to the site below
http://members.aol.com/j007golden/modeval.html

 

Maybe an intake manifold leak.