3rd gen turbo on a 1st gen??? - Dodge Cummins Diesel Forum
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post #1 of 22 (permalink) Old 04-04-2010, 11:18 AM Thread Starter
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3rd gen turbo on a 1st gen???

I have my stock Holset Turbo and wanted to know if i could put it on my first gen 12v motor. Has this been done before? i know that the waste gate on the 3rd gen turbo is electronic so have to figure so way of either blocking it off or putting a mechanical one on it.


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post #2 of 22 (permalink) Old 04-04-2010, 11:32 AM
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Been done may times. Do a search on HE351.
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post #3 of 22 (permalink) Old 04-04-2010, 12:43 PM
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yep i got one on mine and love it

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post #4 of 22 (permalink) Old 04-04-2010, 12:55 PM
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was your truck a early 2004 or a late 2004 there was a difference in the turbos if itss a late it has the he351 if its early it has a he341. they will both work just fine but the 351 is a little bit better.

p-pumped 1st gen
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post #5 of 22 (permalink) Old 04-05-2010, 02:56 PM
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I thought the HE351's were electronically controlled?

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post #6 of 22 (permalink) Old 04-05-2010, 03:07 PM
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hx351 on pre 04.5 motors. he351 on 04.5 +

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I would not sell it to you a$$ hole
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post #7 of 22 (permalink) Old 04-05-2010, 05:44 PM Thread Starter
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My truck was a 2004.5 so its got the bigger turbo if possible could you post some pics of your truck so i can see how u did it. also how did you control the wast gate on yours.

2012 3500 G56 bones stock
2004 3500 G56 totaled due to fire
1984 w350 Crew Cab NV500/12v Swap
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post #8 of 22 (permalink) Old 04-05-2010, 05:56 PM
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it is possible most people just lock the waiste gate closed then leaves all the electronics hanging on it to keep the holes pluged up. if you have a non ic truck then you will have o ab a cross over tube if you have a onteercooled truck clock the compressor till they line up and get the boots for the intercooler

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post #9 of 22 (permalink) Old 04-05-2010, 06:20 PM Thread Starter
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Do you have any pics of how you did it on your truck?

2012 3500 G56 bones stock
2004 3500 G56 totaled due to fire
1984 w350 Crew Cab NV500/12v Swap
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post #10 of 22 (permalink) Old 04-05-2010, 09:16 PM
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i dont have mine on yet im waiting for boots. but is your truck non i/c? if it is you will need 15 Inches of 2.75 inch pipe or 3 inch pipe whatever you want. go 5 inches from the end and bend it at a 45 degrees. that will replace the cross over pipe/ intake horn whatever you call it. then get a 4x4 inch piece of 1/8th inch thick flat plate. an then 4 inches of the same size tubing you made the cross over pipe with. center the 4 inch peice of tubing on the flat plate then cut out the hole in the flat plate then weld the tubing to the flat plate. that is the peice that will bolt to the intake manafold. the you will need to buy 2 92degree bootes and a 4inch diameter 45 degree boot for and intake

p-pumped 1st gen
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post #11 of 22 (permalink) Old 04-05-2010, 09:17 PM
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thats the best explanation i can give you

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post #12 of 22 (permalink) Old 04-06-2010, 01:27 AM
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There is a way to use the 351cw waste gate. Either you can remove the elctronic valve and plug the hole and drill and tap for a boost elbow or they make a fitting that screws right into electronic valves port. This you can keep use of the waste gate.

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