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57 De Soto S25 - S26 Question
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macedon
Posted 2017-06-06 8:04 AM (#541604)
Subject: 57 De Soto S25 - S26 Question



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Location: San Antonio, TX
What are the differences between the S25 and S26 341's? Of course the intake manifold and carb. Anything else like the cam or other things that are different? I'm looking at what it will take to build up the motor for my Fireflite. I have Firedome S25 I bought a while back.
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springsweptwing
Posted 2017-06-06 9:32 AM (#541609 - in reply to #541604)
Subject: Re: 57 De Soto S25 - S26 Question



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Location: Blackpool, United Kingdom.
As far as i worked out a S25 is a bored out 330 and a S26 is a different casting same as used in the 345?
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NM Desoto
Posted 2017-06-06 11:42 AM (#541614 - in reply to #541604)
Subject: RE: 57 De Soto S25 - S26 Question


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The S25 & S26 engines are pretty much the same, the same cam and pistons. The distributor weight springs are different along with the four barrell carburator.
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springsweptwing
Posted 2017-06-06 3:41 PM (#541632 - in reply to #541614)
Subject: Re: 57 De Soto S25 - S26 Question



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Posts: 1140
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Location: Blackpool, United Kingdom.
Differences between the S25 and S26, distributor advance,

S25 uses a IBP-4001,
S26 use a IBP-4001A,

Edited by springsweptwing 2017-06-06 3:44 PM
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macedon
Posted 2017-06-07 5:20 PM (#541729 - in reply to #541604)
Subject: Re: 57 De Soto S25 - S26 Question



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Posts: 963
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Location: San Antonio, TX
Thanks!
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