Chevy/GMC 6.2L and 6.5L Discussion of Chevy and GMC Trucks with 6.2L and 6.5L Diesel Engines

To turbo or not to turbo?

Old Jan 8, 2015 | 03:56 PM
  #1  
Finn92's Avatar
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From: GreatWhiteNorth
Default To turbo or not to turbo?

Got an awesome running 1993 N/A 6.2. has 396,000 kms on it(246,000 miles). I have the parts to turbo it. Should I turbo? Im kind of scared to. After talking to some mechanics they have told me to just leave it alone and run it as is. My trucks lifted 6 inches with 35s so the turbo would aid in pushing the tires and possibly give me better mileage.

I know I have to control boost to 7psi but Id be really upset if I started blowing headgaskets.

Any input or advice is appreciated.. thanks
 
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Old Jan 8, 2015 | 07:49 PM
  #2  
RedChevy44's Avatar
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I have a 1993 with a turbo'd 6.2 and it runs good. I've put over 25,000 miles on it without issue. I think you will be fine if you keep it around 7psi, and buy an EGT gauge and make sure you don't let it get too hot. Its still not a power house though but I make it up the hills better now. Also, keep your timing conservative too.
 
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Old Jan 9, 2015 | 06:27 PM
  #3  
Mayhem's Avatar
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Originally Posted by Finn92
Got an awesome running 1993 N/A 6.2. has 396,000 kms on it(246,000 miles). I have the parts to turbo it. Should I turbo? Im kind of scared to. After talking to some mechanics they have told me to just leave it alone and run it as is. My trucks lifted 6 inches with 35s so the turbo would aid in pushing the tires and possibly give me better mileage.

I know I have to control boost to 7psi but Id be really upset if I started blowing headgaskets.

Any input or advice is appreciated.. thanks

Do it if you like the truck now you will love it after putting a turbo on it but keep the boost low and as far as mileage it depends on the gear ratio of the truck.
 
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Old Jan 11, 2015 | 02:30 PM
  #4  
HeavyChevy95's Avatar
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Yes, add turbo and limit max boost to 10psi..
Likely get better fuel mileage than n/a too.


Originally Posted by Finn92
Got an awesome running 1993 N/A 6.2. has 396,000 kms on it(246,000 miles). I have the parts to turbo it. Should I turbo? Im kind of scared to. After talking to some mechanics they have told me to just leave it alone and run it as is. My trucks lifted 6 inches with 35s so the turbo would aid in pushing the tires and possibly give me better mileage.

I know I have to control boost to 7psi but Id be really upset if I started blowing headgaskets.

Any input or advice is appreciated.. thanks
 
Reply
Old Feb 24, 2015 | 10:41 PM
  #5  
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With that kind of mileage, you'll probably pop the head gaskets the first day, but you can't complain.

Turbo or go home, n/a diesels should be illegal.

You can safely run a Holset to around 20 psi without head studs, but good head gaskets.
 
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