Thread: Corroded LIM Lower intake manifold Get new manifold or is this one ok

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  1. #1 Corroded LIM Lower intake manifold Get new manifold or is this one ok 
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    Quick question, do not want to do this twice Replacing the lower intake gasket for my dad. Is this lower still usable or would you replace it too?

    http://i.picresize.com/E8Av

    http://i.picresize.com/E8AJ
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  2. #2 Re: Corroded LIM Lower intake manifold Get new manifold or is this one ok 
    Turbo is the way to go. Fivefingerdeathpunch's Avatar
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    That looks like a coolant port that is blocked.

    SMGPFC Member #1
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  3. #3 Re: Corroded LIM Lower intake manifold Get new manifold or is this one ok 
    Killa Bee Scottydoggs's Avatar
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    isn't one lim port blocked off?

    98 Buick Regal GS, F body brakes, Caddy STS wheels, tinted tails L36 bottom end, lightly ported heads, 1.95 roller rockers, headers, gen 5 N* 3.0 pulley, FSIC, 42 lb injectors, a BrandonHall rebuilt trans, DHP tuned and AEM water/Meth injection https://goo.gl/gpV5kW
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  4. #4 Re: Corroded LIM Lower intake manifold Get new manifold or is this one ok 
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    Pics from further away corroded spot should be smooth.

    http://i.picresize.com/E8EA

    http://i.picresize.com/E8EE

    My thoughts are to get another lower manifold.
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  5. #5 Re: Corroded LIM Lower intake manifold Get new manifold or is this one ok 
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    160,000 miles on the original gasket.

    http://i.picresize.com/E8E3

    http://i.picresize.com/E8EH
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  6. #6 Re: Corroded LIM Lower intake manifold Get new manifold or is this one ok 
    Killa Bee Scottydoggs's Avatar
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    that port comes sealed off like that, as long as the gasket is around that rotted area it should be ok.


    98 Buick Regal GS, F body brakes, Caddy STS wheels, tinted tails L36 bottom end, lightly ported heads, 1.95 roller rockers, headers, gen 5 N* 3.0 pulley, FSIC, 42 lb injectors, a BrandonHall rebuilt trans, DHP tuned and AEM water/Meth injection https://goo.gl/gpV5kW
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  7. #7 Re: Corroded LIM Lower intake manifold Get new manifold or is this one ok 
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    Gasket is sitting partly on the rotted area.
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  8. #8 Re: Corroded LIM Lower intake manifold Get new manifold or is this one ok 
    Killa Bee Scottydoggs's Avatar
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    maybe time for a another lim then. you dont need any leaks after its done.

    98 Buick Regal GS, F body brakes, Caddy STS wheels, tinted tails L36 bottom end, lightly ported heads, 1.95 roller rockers, headers, gen 5 N* 3.0 pulley, FSIC, 42 lb injectors, a BrandonHall rebuilt trans, DHP tuned and AEM water/Meth injection https://goo.gl/gpV5kW
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  9. #9 Re: Corroded LIM Lower intake manifold Get new manifold or is this one ok 
    Moderator DanPrixGTP's Avatar
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    You can buy a used LIM pretty cheap. I'd just snag another one.
    '97 GTP - Stage 2 Heads, 90# Springs, 1.9 Harland Sharp Rockers, Gen V, 3.0, Intake, N* TB, LQ4, FSIC, 10.5mm Wires, Poly Mounts, SLP Headers, Borla Exaust, Built Trans - SOLD*

    '08 G8 GT - 6.7L 408CI Stroker, 239/254 Cam, Fast Intake, 102mm TB, CAI, Full Exhaust.





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  10. #10 Re: Corroded LIM Lower intake manifold Get new manifold or is this one ok 
    GTP Level Member 99GT2dr's Avatar
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    Too cheap to not replace, not worth risking your motor for $100 or less. Ebay has good prices.
    '11 Suburban LTZ
    '99 SSEi
    '99 GT
    '09 G8 GT
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  11. #11 Re: Corroded LIM Lower intake manifold Get new manifold or is this one ok 
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    Advice taken. Just bought a lower intake from one of the forum members here.

    Thanks again.
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