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Author Topic: 390 running very hot  (Read 71565 times)
mikestang
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« Reply #15 on: September 05, 2013, 10:12:06 am »

It has the OE shroud, fits perfect around the rad.  It moves a ton of air across the rad. 

Like I said before this all started after the engine rebuild, could the engine be built too tight?
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Ammosteve
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« Reply #16 on: September 05, 2013, 10:47:55 am »

If it were mine I would go ahead and pull the intake and heads to check the orientation of the head gaskets.  Replacing the gaskets is a lot cheaper than replacing a burnt up motor.
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« Reply #17 on: September 05, 2013, 12:04:19 pm »

I would verify your ignition timing as far as finding the actual TDC -- especially if you are going to remove that head to verify head gasket orientation.


Although IIRC you can only install a harmonic balancer the right way?     
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Robert's 1969 Mercury Montego (FordStrokers 408W, QFT 850cfm RQ-AN, Super Victor, 1" aluminum open spacer, CamMotion HR .624"/.609" 251*/256* 108* LSA, 1-3/4"x3-1/2" headers, Dynomax Ultra #17224 mufflers, C6/4R100 trans, 8"/9" 5500 converter, Broader Performance manual V/B, 9" 4.56 Detroit Truetrac, Hoosier Pro Street 31x12.5R15 on 10" rims)

The Merc started here = http://sbftech.com/index.php/topic,27178.0.html  Now = http://sbftech.com/index.php/topic,34648.0.html

Thanks to Jim "Woody" and Nicole Woods @ FordStrokers 408W, Westminster Performance Transmission (W.P.T.) transmissions, TCS Performance converters, Broader Performance valvebodies and last but not least a BIG thanks (always) to my friends here and abroad in the World!
FordRacing250
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« Reply #18 on: September 05, 2013, 01:28:49 pm »



Although IIRC you can only install a harmonic balancer the right way?     
Semi correct. exceptions are when they are cut for multiple keys (definitely not in this situation)
Or its an old OE one that has slipped/spun.
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mikestang
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« Reply #19 on: September 05, 2013, 02:35:43 pm »

I have already verified the TDC mark.  May be time to just pull the motor and start by double checking head gaskets.  Or, if there is room, pull the intake and stick my bore scope in the head coolant port to verify head gasket placement
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« Reply #20 on: September 05, 2013, 03:52:13 pm »

I have already verified the TDC mark.  May be time to just pull the motor and start by double checking head gaskets.  Or, if there is room, pull the intake and stick my bore scope in the head coolant port to verify head gasket placement


OK, what about how they installed your camshaft in relation to your crank?
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Robert's 1969 Mercury Montego (FordStrokers 408W, QFT 850cfm RQ-AN, Super Victor, 1" aluminum open spacer, CamMotion HR .624"/.609" 251*/256* 108* LSA, 1-3/4"x3-1/2" headers, Dynomax Ultra #17224 mufflers, C6/4R100 trans, 8"/9" 5500 converter, Broader Performance manual V/B, 9" 4.56 Detroit Truetrac, Hoosier Pro Street 31x12.5R15 on 10" rims)

The Merc started here = http://sbftech.com/index.php/topic,27178.0.html  Now = http://sbftech.com/index.php/topic,34648.0.html

Thanks to Jim "Woody" and Nicole Woods @ FordStrokers 408W, Westminster Performance Transmission (W.P.T.) transmissions, TCS Performance converters, Broader Performance valvebodies and last but not least a BIG thanks (always) to my friends here and abroad in the World!
mikestang
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« Reply #21 on: September 05, 2013, 05:09:12 pm »

I have already verified the TDC mark.  May be time to just pull the motor and start by double checking head gaskets.  Or, if there is room, pull the intake and stick my bore scope in the head coolant port to verify head gasket placement


OK, what about how they installed your camshaft in relation to your crank?

Are you thinking cam timing is off? That is one thing I have not checked.
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scienceguy
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« Reply #22 on: September 05, 2013, 05:20:08 pm »

Has anything changed regarding airflow IN and OUT of the engine compartment?  Sometimes, if there's no place for the air to go after it exits the radiator...  the airflow is nil and the car overheats.  I saw a big engine in a Ford Ranger do this once.  Cooled fine with the hood off.  lol

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69 Merc
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« Reply #23 on: September 05, 2013, 06:27:19 pm »

I have already verified the TDC mark.  May be time to just pull the motor and start by double checking head gaskets.  Or, if there is room, pull the intake and stick my bore scope in the head coolant port to verify head gasket placement


OK, what about how they installed your camshaft in relation to your crank?

Are you thinking cam timing is off? That is one thing I have not checked.


Yes.
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Robert's 1969 Mercury Montego (FordStrokers 408W, QFT 850cfm RQ-AN, Super Victor, 1" aluminum open spacer, CamMotion HR .624"/.609" 251*/256* 108* LSA, 1-3/4"x3-1/2" headers, Dynomax Ultra #17224 mufflers, C6/4R100 trans, 8"/9" 5500 converter, Broader Performance manual V/B, 9" 4.56 Detroit Truetrac, Hoosier Pro Street 31x12.5R15 on 10" rims)

The Merc started here = http://sbftech.com/index.php/topic,27178.0.html  Now = http://sbftech.com/index.php/topic,34648.0.html

Thanks to Jim "Woody" and Nicole Woods @ FordStrokers 408W, Westminster Performance Transmission (W.P.T.) transmissions, TCS Performance converters, Broader Performance valvebodies and last but not least a BIG thanks (always) to my friends here and abroad in the World!
mikestang
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« Reply #24 on: September 05, 2013, 10:23:18 pm »

Has anything changed regarding airflow IN and OUT of the engine compartment?  Sometimes, if there's no place for the air to go after it exits the radiator...  the airflow is nil and the car overheats.  I saw a big engine in a Ford Ranger do this once.  Cooled fine with the hood off.  lol



No changes in the under hood area.  It will even get hot with the hood open. 
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mikestang
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« Reply #25 on: September 05, 2013, 10:28:17 pm »

So the head gaskets are installed correctly.  Got another gasket like the one I installed to compare to the edge of the head gasket I can see at the front of the engine.   Here is a full pic of the gasket and a pic of the front half.  I can see that it is correctly installed.  I was thinking wrong earlier.



* image.jpg (1206.88 KB, 2592x1936 - viewed 360 times.)

* image.jpg (1219.27 KB, 2592x1936 - viewed 318 times.)

* image.jpg (1263.19 KB, 2592x1936 - viewed 336 times.)
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wywindsor
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« Reply #26 on: September 06, 2013, 08:41:25 am »

FE are thin walled blocks. Call Scott at mpg in englewood and ask him about this.
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mikestang
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« Reply #27 on: September 06, 2013, 10:44:29 pm »

FE are thin walled blocks. Call Scott at mpg in englewood and ask him about this.

He is the one that did the machine work on this engine.  It is the cam he recommended and he timed it.  Customer talked to him, he said no way cam timing is off, he timed it......

Not sure wht is going on with this darn thing...
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69 Merc
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« Reply #28 on: September 06, 2013, 11:21:03 pm »

FE are thin walled blocks. Call Scott at mpg in englewood and ask him about this.

He is the one that did the machine work on this engine.  It is the cam he recommended and he timed it.  Customer talked to him, he said no way cam timing is off, he timed it......

Not sure wht is going on with this darn thing...


So then what did Scott suggest?
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Robert's 1969 Mercury Montego (FordStrokers 408W, QFT 850cfm RQ-AN, Super Victor, 1" aluminum open spacer, CamMotion HR .624"/.609" 251*/256* 108* LSA, 1-3/4"x3-1/2" headers, Dynomax Ultra #17224 mufflers, C6/4R100 trans, 8"/9" 5500 converter, Broader Performance manual V/B, 9" 4.56 Detroit Truetrac, Hoosier Pro Street 31x12.5R15 on 10" rims)

The Merc started here = http://sbftech.com/index.php/topic,27178.0.html  Now = http://sbftech.com/index.php/topic,34648.0.html

Thanks to Jim "Woody" and Nicole Woods @ FordStrokers 408W, Westminster Performance Transmission (W.P.T.) transmissions, TCS Performance converters, Broader Performance valvebodies and last but not least a BIG thanks (always) to my friends here and abroad in the World!
Darkhorse5.0
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« Reply #29 on: September 07, 2013, 12:03:51 am »

Made sure you have correct water pump for your belt rotation?   
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89 GT  a carbed, iron headed 308 on spray  11.02@121,7.07@100
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