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Sun, November 28 2021, 18:23Login ] [ Contact Forum Admin ] [ Main index ] [ Post a new message ] [ Search | Check update time | Archives: 1234[5]678910 ]

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Date Posted: - Monday - 01/ 5/09 - 12:46pm
Author: Capt'n Mike SV Gypsy Mariner, TM36
Subject: Difference between 4-107 and 4-108
In reply to: Terry Bradlow 's message, "Perkins 4107 and 4108 whats the difference" on - Sunday - 01/ 4/09 - 3:32pm

The main difference between the 4-107 and 4-108 is that the 4-107 has wet (pull-out) cylinder liners and the 4-108 has dry liners and larger diameter head bolts. Performance is about the same. I donít believe Perkins stocks 4-107 parts anymore, therefore it is harder to find 4-107 parts if the part is not the same as used on the 4-108.

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[> [> P.S. - transmission -- Capt'n Mike "Gypsy Mariner", - Monday - 01/ 5/09 - 1:26pm

You should be able to use the transmission you have on the seized 4-108. Look at the Mariners site and download the engine manual for the 4-107/4-108 (its the same manual for both engines with the differences noted within the manual as needed). Since it is a project boat, you may want to determine why the 4-108 seized and the cost to for parts to repair it. It is fun to work on these engines and almost anyone can. The 4-108 is very forgiving to beginner and novice "d.i.y."ers. It might save you money to fix the current engine and you will also gain valuable experience.

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