Thread: Lower intake gasket

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  1. #1 Lower intake gasket 
    GT Level Member pontiacGTP123's Avatar
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    Think my lower intake gasket is bad. Every time I get done driving the car I smell like a burnt antifreeze/oil smell. I know it leaks some oil and I checked the antifreeze the other day and it hasn't lost much at all in the last couple weeks. The oil is clear. I also noticed there was oil around a couple of rear spark plugs when I changed them. The oil is clear and looks good still. Any suggestions or ideas? I'm pretty sure it's the lim.
    05 gtp- k&n open cone, intense tune, cat delete
    99 gtp- sold
    97 chevy 2500 diesel- heath turbo master, custom cai, 4" straight exhaust
    70 chevy c10- 6.0 swapped, still a project
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  2. #2 Re: Lower intake gasket 
    GT Level Member chamberlain198437's Avatar
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    Could pressure check it. Sometimes that will turn a small leak into a big one. Did you check the elbows on the pass side manifold? Also the heater lines like to leak around the clamps. As far as your oil go's sounds like a valve cover gasket leaking down on the plugs. If your gasket hasn't been changed out, i would change it. A little leak could turn into a big problem.

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  3. #3 Re: Lower intake gasket 
    GT Level Member pontiacGTP123's Avatar
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    Yeah I'm gonna check it a little more before I get into it
    05 gtp- k&n open cone, intense tune, cat delete
    99 gtp- sold
    97 chevy 2500 diesel- heath turbo master, custom cai, 4" straight exhaust
    70 chevy c10- 6.0 swapped, still a project
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  4. #4 Re: Lower intake gasket 
    Moderator dsmuts's Avatar
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    I'd do the LIM and valve covers at the same time.
    98 GTP modded 1.9's, sd headers, 3.4", zzp 1.0 230K miles scrapped.
    04 Comp G zzp stb's, UMI ta's, Speedbuilt sways, bully flo heads, XP, zzp headers, fsic, thrasher shift kit, 60#, 2.6" corsa 2.5", Inferno hood
    01 gt z7 turbo tep trans zzp motor
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  5. #5 Re: Lower intake gasket 
    GT Level Member pontiacGTP123's Avatar
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    Yeah I am. I'm gonna change the supercharger oil to
    05 gtp- k&n open cone, intense tune, cat delete
    99 gtp- sold
    97 chevy 2500 diesel- heath turbo master, custom cai, 4" straight exhaust
    70 chevy c10- 6.0 swapped, still a project
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