GT40 Engine Layout

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   Yeah, I read through all of that as well.  No mention of the raw water pump or impeller.  That manual is basically a manual about the efi system.

I've never looked at the rwp on a gt40 motor, but I would assume it is in the same place as it is on mine.   It will be on the starboard side of the motor right in front, and about 3/4 the way down the motor.   It's run off the belt drive.  These are pretty simple, only a couple bolts hold the housing together, and the you can take the cover off and you can pull the impeller out by hand.

Install of a new one is the reverse of the removal.   Some people put a little dish soap on the new impeller to get it lubed up for when it  starts up the first time.

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horkn Members Profile Send Private Message Find Members Posts Add to Buddy List Platinum Member Joined: September-10-2007 Location: Cedarburg, Wi Status: Offline Points: 1511	Post Options Post Reply Quote horkn Report Post Thanks(0) Quote Reply Topic: GT40 Engine Layout Posted: June-01-2010 at 12:25pm
	Yeah, I read through all of that as well. No mention of the raw water pump or impeller. That manual is basically a manual about the efi system. I've never looked at the rwp on a gt40 motor, but I would assume it is in the same place as it is on mine. It will be on the starboard side of the motor right in front, and about 3/4 the way down the motor. It's run off the belt drive. These are pretty simple, only a couple bolts hold the housing together, and the you can take the cover off and you can pull the impeller out by hand. Install of a new one is the reverse of the removal. Some people put a little dish soap on the new impeller to get it lubed up for when it starts up the first time.
	78 martinique- refloored, reinforced, stringers re glassed, re engineered interior GT40P heads Edelbrock Performer intake acme 4 blade http://img.photobucket.com/albums/v64/horkn/fish/nautique.jpg

ChrisNautique Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: May-31-2010 Location: Phoenix, AZ Status: Offline Points: 9	Post Options Post Reply Quote ChrisNautique Report Post Thanks(0) Quote Reply Posted: June-01-2010 at 11:13am
	I appreciate you sending the manual however there is not info about water pumps, impellers et...
	Chris

81nautique Members Profile Send Private Message Find Members Posts Visit Members Homepage Add to Buddy List Grand Poobah Joined: September-03-2005 Location: Big Rock, Il Status: Offline Points: 5779	Post Options Post Reply Quote 81nautique Report Post Thanks(0) Quote Reply Posted: May-31-2010 at 1:39pm
	manual
	You can’t change the wind but you can adjust your sails

ChrisNautique Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: May-31-2010 Location: Phoenix, AZ Status: Offline Points: 9	Post Options Post Reply Quote ChrisNautique Report Post Thanks(0) Quote Reply Posted: May-31-2010 at 12:22pm
	Hello, I have a 97 Ski Nautique with GT40 engine. I would like to check out the impeller and it's condition. Where can I find a engine layout for PCM GT40 engine tofind out location of impeller and how to replace?
	Chris

GT40 Engine Layout

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