Injector types?

[timarr]

Can someone educate me about the injectors in a 84 m1009. Do I have to pull it to find out the thread/size ? I would like to change them but a pita to pull one just to get oedering info. Can anyone help with info?

 

[O.D. Fever]

From what I understand all the 6.2 from 82 thru 86 use the fine thread.

 

[dstang97]

From what I understand all the 6.2 from 82 thru 86 use the fine thread.

There are fine and coarse, short and long.

 

[Stonepicker1]

Here are two injectors: The one with the "Blue Cap" is for a 6.5L Turbo engine. The one with the "Green and Red Cap" is for the 6.2L non-turbo( nsn: 2910-01-150-0950) Hope the pictures help answer your question.
All of our CUCV's we had in the motorpool used this injector(6.2L) Build date of our CUCV's were 1984,1985,1986.

 

[timarr]

Stonepicker1, Thanks for pictures!Would you say the correct one is fine thread? I cant tell from the pictures!I will search the #
Thanks Tim

 

[Stonepicker1]

Yes, Fine thread.

From the world wide web:
1982 6.2's use course thread injectors. All other years use fine thread. All passenger vans and turbocharged trucks use short injectors. The early body style trucks (82-88 ) use long injectors. Late body style trucks (88-newer) use short injectors.

 

[timarr]

Thank you much! Sir

 

[dstang97]

If you plan on putting on a turbo, get some 6.5 turbo injectors. if not just get replacements.

 

[allenhillview]

Since we are here then which injector do I buy if staying stock?(6.2 J-code), most power, not out -do pump spray specs? I've gotten so many to choose from but I want the best or OEM

 

[timarr]

Ditto!

 

[Stonepicker1]

Off the web.

Injector Numbers:

BOSCH
New #-----------Body #----Reman----Tip-----Pressure---Application
0432217081....0430211051...NA50X...0SD248....126 bar......6.2L 1982
???????????.....0430211058...NA52X...0SD253....126 bar......6.2L Long body
0432217092....0430211054...NA51X...0SD253....126 bar......6.2L Short body
0432217229....0430211054....??????...0SD304....126 bar......6.5L N.A.
0432217251....0430211054....??????...0SD304....142 bar......6.5L Turbo
0432217255....0430211054....??????...0SD311....150 bar......6.5L TD Marine
0432217275....0430211097....??????...OSD304....126 bar......6.5L N.A.
0432217276....0430211097....NA56X...0SD304....142 bar......6.5L Turbo

"bar" is equal to 1 atmosphere - multiply 14.7 psi by the number on each line to determine actual injection pressure

Delphi Injectors
6703803---6.5 T.D.
6703802---6.5 N.A.
6703801---6.2 "Van" Short fine thread
6704001---6.2 Long fine thread.

Standyne Injectors (New)
37818 10233973 6.5L T.D. same as 0432217276 6703803
38272 10233972 6.5L N.A. same as 0432217275 6703802

 

[timarr]

Ask and you shall receive! Thank you!

 

[allenhillview]

And thanks also....... Allenhillview, good info !

 

[allenhillview]

Off the web.

Injector Numbers:

BOSCH
New #-----------Body #----Reman----Tip-----Pressure---Application
0432217081....0430211051...NA50X...0SD248....126 bar......6.2L 1982
???????????.....0430211058...NA52X...0SD253....126 bar......6.2L Long body
0432217092....0430211054...NA51X...0SD253....126 bar......6.2L Short body
0432217229....0430211054....??????...0SD304....126 bar......6.5L N.A.
0432217251....0430211054....??????...0SD304....142 bar......6.5L Turbo
0432217255....0430211054....??????...0SD311....150 bar......6.5L TD Marine
0432217275....0430211097....??????...OSD304....126 bar......6.5L N.A.
0432217276....0430211097....NA56X...0SD304....142 bar......6.5L Turbo

"bar" is equal to 1 atmosphere - multiply 14.7 psi by the number on each line to determine actual injection pressure


Delphi Injectors
6703803---6.5 T.D.
6703802---6.5 N.A.
6703801---6.2 "Van" Short fine thread
6704001---6.2 Long fine thread.

Standyne Injectors (New)
37818 10233973 6.5L T.D. same as 0432217276 6703803
38272 10233972 6.5L N.A. same as 0432217275 6703802

Which is best for m1008(1986) stock form, no mods? And thanks for all your resources you've given. I'm asking if it were you and want to last for a period of time

 

[Stonepicker1]

Which is best for m1008(1986) stock form, no mods? And thanks for all your resources you've given. I asking if it were you and want to last for a period of time

PM sent.

 

[allenhillview]

Injectors

Hey , will the Marine injectors damage my IP or my engine ....GP, early-death, foul up this or that. I'd like to use them if possible but i must remain in a area that will allow our truck to stay around and workable. I'll take your advice and use the info you gave me if(marine) not a good choice. Sure the guys who sell say its OK. Thanks Allenhillview

 

[Stonepicker1]

Hey , will the Marine injectors damage my IP or my engine ....GP, early-death, foul up this or that. I'd like to use them if possible but i must remain in a area that will allow our truck to stay around and workable. I'll take your advice and use the info you gave me if(marine) not a good choice. Sure the guys who sell say its OK. Thanks Allenhillview

If you are keeping your engine stock. I wouldn't get the "marine" injectors. They will not get you the extra 40HP. Will they damage your IP....No. Will they damage the engine....more than likely not. There are some cheap injectors out there that could dump to much fuel and melt a glow plug or burn a hole in your piston.

 

[chevyCUCV]

Marine injectors only work to their potential with a marine pump putting out more fuel.
If your staying NA get the long body
If you want to turbo at any point in the future, get the short body

Quality parts are the most important thing with injectors. NO chinese injectors!!!

 

[allenhillview]

Thats the best I can ask for I'll use the long body Lucas most likely , see I feel like I need a set on hand if ever out somewhere on a trip. 28,000 today... nothing yet but I know it may happen. Thanks

 

[67_C-30]

Thats the best I can ask for I'll use the long body Lucas most likely , see I feel like I need a set on hand if ever out somewhere on a trip. 28,000 today... nothing yet but I know it may happen. Thanks

I've been running these engines for many years, and I've never had a injector suffer a sudden failure. I'd had them get to where there is a lot of white smoke at start up, a trail of white smoke at idle, and I had one stick and started "knocking" on a truck that sat a long time (I bled it and it stopped) but I see no reason to carry around a set of spare injectors. They usually give a lot a warning. If anything, I may carry one spare if I was a nervous type, but there's no way all of the injectors are going to fail all at once on a 6.2/6.5. The chance of a sudden failure is WAY higher with the IP than the injectors.