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Did I Blow A Head Gasket?

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  • Did I Blow A Head Gasket?

    Last night I was cruising around in my '96 firebird w/ 3.8. I stopped at a stop sign, and when I started to go again, I really punched it and got the tires smoking. Then I noticed steam coming out of the hood and more than just tire smoke pouring out behind me. So I pulled over right away and shut her down. I walked over to the stop sign and dead square in the middle of my tire tracks, about 2ft into the intersection was a puddle about 1ft in diameter and then a trail of the stuff that lasted only about the length of the intersection. I got some on my hand and smelled it. Sure enough it was coolant.

    I went back to my car and popped the hood, searching for a blown coolant line, but found . Then, thinking that if I had lost alot of coolant, that I should have very little in the rad. I popped the rad cap, but to my surprise it was still full & pressurized and started spewing out, so I quickly screwed it back on.

    I wasnt far from home, so I fired it back up and headed that way. I stopped at a red light a block away from home. When it turned green I started to go again. When I shifted into second I mashed the gas a little harder than I should've. What do you know, steam started pouring out the back of the car again. But unlike the last time I popped a coolant line, It stopped after about 10 seconds.

    When I got home, I let the car sit for a couple hours before I looked at it. I popped the rad cap and it took about half a litre of coolant. I found no busted coolant lines, and there are no visible leaks.

    The only thing I can think of, that makes sense to me would be a blown head gasket that is only releasing coolant under a heavy load. Does this make sense to anyone else? Is there anything I can check to confirm my fear?
    Red 1996 Firebird
    3800 V6, T-5
    Alpine CDA-9835
    Kicker S8L5 in a Bassworx SQ8
    Rockford Fosgate P3001 rated @ 391w RMS, 1194w Max

  • #2
    no sure way to tell from info. Check your dipstick, is it milky? Check the compression and look for a low number.
    97 Chevy 'Raro Z28 M6- Ported & Polished LT1 heads,beehives,1.6/1.94 valves, 226/231 custom cam,K&N FIPK, 94-95 BBK shorty's,ORY,Magnaflow Catback,no cats,BMR LCA Relocation Brackets,Lower Control Arms,Adjustable Panhard Bar,Eibach Pro Kit,SPEC Stage 1,Walbro 255 Fuel Pump,30LB Injectors,Pro 5.0,Short stick,MSD 8.5's,NGK TR55's,LT4KM

    01 Honda CBR600 F4i-Two bro's,Corbins,SS brake lines

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    • #3
      If you suspect that you are loosing coolant, do a cooling system pressure check. The beauty of this is that you can check the integrity of the system without having to heat up the motor. If there is a headgasket leak, it will manifest itself here. Any breech, the water will be force out though there. It may be external, it may be internal. A cooling system pressure tester can be rented free of charge at Autozone.

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