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MrBud
Help 330 DeSoto


I have just installed a 1956 330 DeSoto into my gasser. Coolant leaks out from the top valve cover bolts and several exhaust bolts. Is this normal and if so what do you recommend to seal the bolt threads ?
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on: Tue 12 of May, 2020 [12:07 UTC] reads: 2404

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MrBud
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Re: Help 330 DeSoto
on: Fri 29 of May, 2020 [23:40 UTC] score: 0.00
> I have just installed a 1956 330 DeSoto into my gasser. Coolant leaks out from the top valve cover bolts and several exhaust bolts. Is this normal and if so what do you recommend to seal the bolt threads ? Thank you George and Jack for your help


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George
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Re: Help 330 DeSoto
on: Wed 13 of May, 2020 [15:15 UTC] score: 0.00
lots of the holes in the block & heads go into water or oil. Mopar used studs on upper valve cover & the ex mans. Put sealer on block side of studs so they don't decide to screw out instead of the nut turning. Some timing cover bolts go into the crankcase, but they don't seem to leak

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MrBud
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Re: Re: Help 330 DeSoto
on: Thu 14 of May, 2020 [01:25 UTC] score: 0.00
> lots of the holes in the block & heads go into water or oil. Mopar used studs on upper valve cover & the ex mans. Put sealer on block side of studs so they don't decide to screw out instead of the nut turning. Some timing cover bolts go into the crankcase, but they don't seem to leak

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Jack
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Re: Help 330 DeSoto
on: Tue 12 of May, 2020 [14:57 UTC] score: 0.00
Chryslers are like that.
You have to use thread sealer on most bolts as you assemble.
The last one I built was driving me crazy at the exhaust manifold studs.
After a couple of reseals I went with some Bars Leaks for that last bit of weeping.
Still holding after a couple of years.


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