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Chrysler Crown Engine - Questions?

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brian_vancouver
New member
Username: brian_vancouver

Post Number: 1
Registered: 11-2013
Posted on Sunday, November 10, 2013 - 03:11 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

I am the new owner of a 1949 Monk Cruiser (similar to Chris Craft) and have a couple questions about the single, 6 cyl. "Chrysler Marine Engine" (from exhaust manifold), with dual carbs. Can anyone help me chase down the answers?

1. (Engine mdl.?): The original colour is green (painted over in blue) and the engine plate states:

MBNo. E-13451-M
Ser. No. 12650
IFC (don't know what this means?)

I am thinking it is a "Crown M-47", but not sure -- can anyone verify or correct me? And:

2. (Exhaust manifold): Does anyone know where I can get a replacement? It is cracked on the exterior, and I suspect the interior.

Thanks folks,

Brian
Vancouver, BC

It has
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drrot
Senior Member
Username: drrot

Post Number: 165
Registered: 09-2008


Posted on Monday, November 11, 2013 - 10:20 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

I'd guess a M47S 125hp. See the chart at http://www.finewoodboats.com/CHRYSLER1.htm
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antique_marine_ptk
Member
Username: antique_marine_ptk

Post Number: 7
Registered: 03-2005
Posted on Tuesday, November 12, 2013 - 10:04 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

Hi Brian. If you conclude you need a replacement manifold we have one complete with rebuilt carbs. We are located in Pickering Canada. 905 831-2370
Patrick
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brian_vancouver
Member
Username: brian_vancouver

Post Number: 6
Registered: 11-2013
Posted on Friday, November 15, 2013 - 09:42 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

Thanks for the suggestions guys.

I will call you on Monday (Nov 21) Patrick,

Brian
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brian_vancouver
Member
Username: brian_vancouver

Post Number: 8
Registered: 11-2013
Posted on Wednesday, December 11, 2013 - 04:20 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

Hello Patrick (antique_marine_ptk),

I sent you an email the other day re; purchasing the manifold or manifold/carb combo.

If you haven't received it, please contact me at: bjcarroll@cci.eu.com,

Many thanks,

Brian
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jeroky
New member
Username: jeroky

Post Number: 1
Registered: 12-2015
Posted on Tuesday, December 01, 2015 - 11:24 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

chrysler ace oil pressure of 150 psi, perhaps higher. When starting the motor the oil pressure increases incrementally , until it reaches approximately 150 psi. It is supposed to be 40 psi. The rate of increments appears to be in lock step with engine speed. After ten minutes the oil becomes smelly and oil color changes. The color change is not to like water in the oil.

Tried different gages.

Oil pressure bypass works and has the correct spring color.

Entire oil system was checked for restrictions; pump, pressure relief etc.

Need help on this one.............

-j}}
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ldobbins
Senior Member
Username: ldobbins

Post Number: 191
Registered: 12-2002
Posted on Tuesday, December 01, 2015 - 03:51 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

Greetings,

The oil bypass is not working correctly or it would be dumping the pressure back into the pan. The other possibility is a plugged oil cooler but not likely. The oil smell and change is due to the pump beating the and heating the oil into submission due to the high pressure.

If the you have 150 PSI of oil pressure going into or through your oil cooler, it will most likely destroy it thus purging the oil into the cooling system.

Good luck and keep us posted.

Lew

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