Thread: Cylinder 5 misfire UPDATE Broken valve spring

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  1. #21 Re: Cylinder 5 misfire UPDATE no pressure in cyl 
    Kasey
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    Default 09-11-2011
    broken spring
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  2. #22 Re: Cylinder 5 misfire UPDATE no pressure in cyl 
    Scottydoggs
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    Default 09-11-2011
    that will do it...

    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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  3. #23 Re: Cylinder 5 misfire UPDATE no pressure in cyl 
    Kasey
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    Default 09-11-2011
    So can I just change that one spring or will I need to do them all?
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  4. #24 Re: Cylinder 5 misfire UPDATE no pressure in cyl 
    OH4CompG
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    Default 09-11-2011
    How does the spark plug from that cylinder look? Bent, broken, anything? If the spark if is fine then your piston is still there and points to valvetrain
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  5. #25 Re: Cylinder 5 misfire UPDATE Broken valve spring 
    Scottydoggs
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    Default 09-11-2011
    yes you can just change the one spring, but do check the plug, if its damaged, you have bigger problems like stated above.

    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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  6. #26 Re: Cylinder 5 misfire UPDATE Broken valve spring 
    Kasey
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    Default 09-12-2011
    All the plugs are good. I need to go to the dealership tomorrow and get one. No autoparts stores around carry it in stock.
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  7. #27 Re: Cylinder 5 misfire UPDATE Broken valve spring 
    blueguy
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    Default 09-12-2011
    I'd get a borescope and check the piston....but that's me
    Sold WBody's: '03 Blue GTP/'98 Green GTP/'98 Silver GT/'05 GXP
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