CLASS RACER FORUM - View Single Post

Rob Petrie E395 · 01-01-2009, 01:25 PM

Some things you want to avoid with 6.2 and 6.5 GM Diesels
1. Look for the round pencil type glow plug controller it screws into the back of the drivers side head near the #7 intake port if it has it dont buy it as you will be having glow plug problems forever. you can switch it over to the later style with seperate inhibit switch but is not worth the price and trouble on a older truck
2. Make sure it has the fuel filter that looks like a rectangle box on the firewall if it has it you are ok but if it has the 2 round oil filter type primary secondary filter system stay away from it they are a pain in the *** and dont filter very well your injection pump will thank you.
3. DO NOT EVER spray either in it to get it to start in cold weather. I cant tell you how many of these engines I have replaced due to either use even when the glow plugs were unhooked before either was sprayed in.
4. They are not the greatest powerhouse but if taken care of will last forever. I have several customers that still use them for farm trucks on a daily basis.

01-01-2009, 01:25 PM	#4
Rob Petrie E395 VIP Member Join Date: Dec 2007 Location: Woodlawn IL Posts: 1,092 Likes: 162 Liked 216 Times in 77 Posts	Re: Older diesel ? Some things you want to avoid with 6.2 and 6.5 GM Diesels 1. Look for the round pencil type glow plug controller it screws into the back of the drivers side head near the #7 intake port if it has it dont buy it as you will be having glow plug problems forever. you can switch it over to the later style with seperate inhibit switch but is not worth the price and trouble on a older truck 2. Make sure it has the fuel filter that looks like a rectangle box on the firewall if it has it you are ok but if it has the 2 round oil filter type primary secondary filter system stay away from it they are a pain in the *** and dont filter very well your injection pump will thank you. 3. DO NOT EVER spray either in it to get it to start in cold weather. I cant tell you how many of these engines I have replaced due to either use even when the glow plugs were unhooked before either was sprayed in. 4. They are not the greatest powerhouse but if taken care of will last forever. I have several customers that still use them for farm trucks on a daily basis.