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

fuel injectors

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  #1  
Old 01-28-2012, 09:02 AM
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Default fuel injectors

Can anyone recomend a damn good all around power & performance fuel injector for my 95 6.5td ?
 
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Old 01-28-2012, 10:05 AM
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Don't waste your money on any HP injectors you won't see no more power out of them just put in good set boch injectors

The IP only put out so much fuel so buy putting HP injectors still only going get what every the IP puts out

if you want more power chip it open the exhaust up and get turbo master and gauges for sure and do something air cleaner set like 97+ air box or after maket
 
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Old 01-28-2012, 11:27 AM
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Thank's Crazy!
The dealer was telling me that this is an extensive job but from reading alldata.com, it seems to me like changing spark plus?
 
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Old 01-28-2012, 03:36 PM
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will it be all day job do injectors if never have done them driver is easy cake do buy the right side PITA to do have pull air box , dis connect the down pipe unbolt the cross over pipe pull exhaust manifold and turbo off to getter and should ba able get at all
 
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Old 01-28-2012, 04:35 PM
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! I was looking at the drivers side before I sent this, looked like a piece of cake till I seen the passenger side.
 
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Old 01-28-2012, 10:15 PM
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it not all that bad if you take your time it sure is cheaper doing your self
 
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Old 02-02-2012, 04:57 PM
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Keep everything clean, blow out any debris from around the injectors before beginning (watch your eyes!).

Buy quality replacement injectors. This means Bosch OE nozzles. Make sure you're not getting off brand nozzles on Bosch bodies or some other "overseas" replacement nozzles. There are more stories than you can count about guys getting burnt on rebuilts.

It's a bit more expensive than the "bargain basement" sellers, but I really recommend getting you injectors from heath diesel. You're going to pay around 500-600 bucks, but you get the real deal. A bad injector can burn a hole right through a piston crown. To me, it's just not worth the risk for 100-200 bucks less.

Stay away from HP/Marine injectors. More likely to give you higher EGT's than more HP. Beware of anyone that claims "40 hp more" from a set of injectors. Not going to happen. They're after your money and nothing else.

Leave the caps on the injectors while you install them. Not the ones on the nozzle end, the one on the IP line end. A grain of dirt that finds it's way in can wreak havoc with your new injectors if it gets inside. Clean, clean clean! Keep it clean.

An injector socket makes things easier, but a properly sized deep socket will work. If you use a regular socket, be very careful to not break off the "nipples" on the injector bodies. If you break them, you're going to be buying a replacement. I use a wheel bearing nut socket on mine. It doesn't have the cut outs like and injector socket, but it has a bit more room cut in the corners for the nipples.

Only change one side at a time and then run the engine. This will allow the other bank of cylinders to turn the engine over and allow you to bleed the air from the injectors/lines you just replaced.

I pulled the turbo and manifold off when I did mine, gave me a great opportunity to install an EGT thermocouple. But they can be done in place. It's just a bit of a PITA.

make sure you get new return hoses, the old ones will be brittle and ruined after you try to get them off. New copper gaskets for the injectors is also a good idea.

If you've never done it before and are an inexperienced wrench, plan for a complete weekend to get it done. Both days, and maybe one more.

Good luck.
 

Last edited by great white; 02-02-2012 at 05:12 PM.
  #8  
Old 02-02-2012, 11:23 PM
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Heath Diesel will loan you the proper socket so that is not a worry.
 
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Old 03-07-2013, 07:56 AM
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Default Does that include the Bosch high output injrctors sold by heath?

What about bosch high output?


Originally Posted by Crazy
Don't waste your money on any HP injectors you won't see no more power out of them just put in good set boch injectors

The IP only put out so much fuel so buy putting HP injectors still only going get what every the IP puts out

if you want more power chip it open the exhaust up and get turbo master and gauges for sure and do something air cleaner set like 97+ air box or after maket
 
  #10  
Old 03-07-2013, 07:06 PM
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I'm running Bosch High-Flo. injectors. came on the truck. but aint no more power then my 93' 6.5l. not worth the money.
 
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