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Re: A engine vs C engine
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Posted by Raymond (54 SA) on August 23, 1999 at 12:32:07 from (209.176.153.105):
In Reply to: A engine vs C engine posted by Rosco on August 23, 1999 at 08:48:27:
Okay, yes the A, AV, Super A, & Super AV used the 113cid engine. In later years, the Super A & AV got an upgrade to the 123cid. The increase in the bore did increase the power. The 113cid(Super A) was rated as a 19Hp PTO & 17Hp Drawbar. The 123cid(super C) was rated at a 24Hp PTO & 21Hp Drawbar. The 113cid block can be bored out 1/8" or .0040 and get the rebuild kit for a bored 113cid or a 123cid. The Super C however gets alot of its increase in power from the increase in RPMs. The Super A with the 113cid turns 1400 RPM. The Super C with the 123cid turns 1650 RPM. I have a Super AV with the 123cid and it gives me plenty of power. I have heard the over bore of 1/8" will get you about 10% on the 113cid engine. So you can look for an increase of around 2Hp if you rebuild it.
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