18 hp opposed twin

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spencerone63

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Hi i am a new member and i have a question...i have a 1982 MTD 1848 lawn tractor with a 18hp opposed twin..i need a replacement head...are the 16 hp opposed twins heads the same?
 
spencerone63 said:
Hi i am a new member and i have a question...i have a 1982 MTD 1848 lawn tractor with a 18hp opposed twin..i need a replacement head...are the 16 hp opposed twins heads the same?
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The 16 will work put change both. The 16 hp head on the 18hp will up the compression.
 
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the number stamped on the 18 heads are the same as stamped on the 16 heads...should be the same right? i heard that the bore is the only thing different....just trying to confirm.. the exhaust doesn't bolt to the head.
 
Carscw said:
The 16 will work put change both.
The 16 hp head on the 18hp will up the compression. The exhaust will bolt right up.
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the 18 and the 16 both have the same numbers stamped on them..i heard the bore is the only thing different..trying to confirm.....exhaust doesn't bolt to head.
 
bertsmobile1 said:
Just be careful as the left & right heads are different.
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i know the right and left side are different..
but are the heads form a 16hp and 18 hp interchangeable and is there any difference in the heads from either motor....increase in hp is from bore size.
 
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