Radiator leak 5.7L R/T Magnum

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  2. 06-19-2012 07:03 PM #1
    tmaemucho
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    Radiator leak 5.7L R/T Magnum

    I have a radiator leak top right corner of the radiator. I've heard good and bad things about stop leak. Opinions? And would you just JB Weld the spot where it's leaking? Don't feel like buying a new radiator on a car that only has 81,000 on it.
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  4. 06-19-2012 07:19 PM #2
    El White Boy
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    My experiences with stop leak were all bad. JB Weld has saved me a lot of times but never used it on a radiator, cant see why not though.
    If you plan on keeping the car, just buy a new radiator bro. You dont want that 5.7 to heat up and cause more costly problems.
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  5. 06-19-2012 07:47 PM #3
    GreenKing
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    Stop leak and jb weld, especially on radiator repairs, are junk. A brand new AM radiator is about $150-175, used should be available for $100ish. Lot more peace of mind knowing your radiator is good.
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  6. 06-19-2012 08:00 PM #4
    Fireman2118
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    Opinion?..........Don't put that stop leak crap in your radiator. It may stop the leak but it may also reduce the cooling capacity of the radiator. There have been several cases of catastrophic 5.7 Hemi engine failure caused by dropped valve seats. Dropped valve seats caused by overheating? You price a replacement motor lately? Why would you hesitate to correctly repair the cooling system in your car? That's my opinion.

    '05 R/T

    PPP stage 3 big valve heads - Howards cam 219/227 .600/.575 112 LSA (108 ICL) - PAC 1518 springs - forged pushrods - 6.1 lifters - 6.1 oil pump - 6.1 timing set - Modern Muscle stage 1+ ported 6.1 manifold
    & 85mm throttle body - 6.1 fuel injectors - 6.1 fuel rails - 25% UDP - Jet 180 tstat - LMI 4" true CAI - MSD "Blaster" coils - 8.2mm Taylor wires - JBA headers - JBA high flow mids - Corsa catback
    Diablosport Intune - CMR by Ditos - Paramount "Dominator" 3000 stall tc & stage II valve body - Tranzformer shift kit - 226mm Getrag 3.91 LSD - BC racing coilovers - Eibach front & rear sways
    BWoody endlinks - Razors Edge strut bar - Wilwood big brake kit by TCE - W6A 6 piston front calipers on 14.25" 2 piece GT rotors - Dynapro 4 piston rear calipers on 13" 2 piece GT rotors
    Trufiber Challenger A58 carbon fiber hood - Vossen VVSCV3 & Nitto 420s - 22" x 9" w/265/35/22 & 22" x 10.5" w/295/30/22 ----- Hemi Registry #943


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