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Message |
    
Markus
New member
Username: swinada
Post Number: 1
Registered: 05-2006
| | Posted on Tuesday, May 09, 2006 - 02:29 am: | 
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Hi I just joined this board cause I bought my first boat at an auction, and I have a bunch of questions.
I do not know what age the boat or the engine is, (guess 60's or 70's) since I could not locate any manufacture label or plaquette.
It is made by K&C Thermaglass it is a 17" runabout.
The engine is a inline 6 and I have no clue what size it is or who made it. The only number I could find on the engine block is "6 F ?27" on the watercooling manifold it says OMC.
Can anybody possibly guess what kind of engine this is.
I dont have any pictures yet, but will get some as soon as possible.
Thanks |
Eddie Ross
Senior Member
Username: eddie
Post Number: 121
Registered: 04-2003
| | Posted on Tuesday, May 09, 2006 - 12:22 pm: |
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You might want to it under the OMC topic on Marine Engine discussion board. |
Markus
New member
Username: swinada
Post Number: 2
Registered: 05-2006
| | Posted on Tuesday, May 09, 2006 - 01:36 pm: |
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here some pictures
Engine 
 |
Lawrence T Wolfe
Senior Member
Username: larry_from_maryland
Post Number: 161
Registered: 07-2003
| | Posted on Tuesday, May 09, 2006 - 07:01 pm: |
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If my eyes don't decive me thats a chevy engine either a 250 or 296.We used to have several on the road,they were very very common.Parts used to be easy to get,but i have not needed any for years.My uncle had one in his boat.My books must be defective as its not listed in the napa book in the OMC section.Sometime around 1980 chevy and GMC dropped this engine in favor of the v6's,this allowed them to make the engine compartment much shorter.Everything went to shorter hoods and lighter wieght. |
Markus
New member
Username: swinada
Post Number: 3
Registered: 05-2006
| | Posted on Tuesday, May 09, 2006 - 07:57 pm: |
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thanks for the replies. 
How would I be able to tell if its a 250 or 296. Where do I have to look for a serial number or somekind of stamp? |
J.B. Castagnos
Senior Member
Username: jb_castagnos
Post Number: 121
Registered: 07-2002
| | Posted on Tuesday, May 09, 2006 - 09:43 pm: |
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The height of the pushrod covers is the easiest way to tell, the 292 had a taller cover to go along with the higher block and longer stroke. From what I can see you have the 250, there was also a 230 but it would have been an earlier engine. |
Markus
Member
Username: swinada
Post Number: 4
Registered: 05-2006
| | Posted on Wednesday, May 10, 2006 - 02:26 am: |
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So according to this decal this boat was build in July of 62, or in February of 78 if the 3 first digits are the manufacture date. Which one is more likely?
who can tell me where to get more info on KC Thermo Glass, is this company still in business? I cant seem to find any info, tried to find a phone number in the yellow pages and also googled for it, but all what I find is adds of people trying to sell their boat.
What happend to this company, are they now under a different name or are they long gone.
Where could i find info on the different boats they made, where could I find a manual ( specially repair manual) |
Eddie Ross
Senior Member
Username: eddie
Post Number: 123
Registered: 04-2003
| | Posted on Wednesday, May 10, 2006 - 09:46 am: |
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The early engines were 235. The same block survived into the mid 1980s in Chevy and GMC full size trucks and vans. It appeared in some mid-size and compact Pontiacs, Oldsmobiles and Buicks along with the Chevies until the late 1970s when they were fazed out of cars. It was the standard engine in the full size Chevies then also, although few people would want one in a car that large. Later engines had an intregal intake manifold and head molded in one piece. Electronic HEI ignition systems came in 1975 to the end. |
Lawrence T Wolfe
Senior Member
Username: larry_from_maryland
Post Number: 164
Registered: 07-2003
| | Posted on Wednesday, May 10, 2006 - 12:38 pm: |
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You could look up the serial number of the engine.My book says its on a pad on the right side just behind the distributor.I did type the wrong ci its 292 not 296. |
Markus
Member
Username: swinada
Post Number: 5
Registered: 05-2006
| | Posted on Thursday, May 11, 2006 - 10:29 pm: |
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I found some more numbers, (they were where you said Lawrence I just could not see them cause of dirt and rust) could somebody tell me according to these what size and year this engine is?
K 08 18 TF
385081
GM
5X |
