Duramax Diesels Forum Truck of the Week
  #31  
Old 09-26-2017, 12:18 PM
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1970 Chevelle Duramax Hot Rod, '04 LB7/TH400-gear vendor, S475/factory IHI. Just a cruzer :-)

2002 2500HD LLY swap 5-24-15.
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  #32  
Old 09-27-2017, 11:21 AM
mechman3 mechman3 is offline
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All I can say is Pretty work and damn I am jealous
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  #33  
Old 12-30-2017, 09:47 PM
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Default Chevelle upgrades.

Got the motor fired last month and into the car last week. Running and driving this week, racing tomorrow!!

Lots of changes and upgrades. Here are a few pics. Cleaned up the engine harness and ecm harness a bunch. Also did a bunch of powder coating, vc mods and made up custom fuel return lines. So far so good. Everything is working happily together.














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1970 Chevelle Duramax Hot Rod, '04 LB7/TH400-gear vendor, S475/factory IHI. Just a cruzer :-)

2002 2500HD LLY swap 5-24-15.
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  #34  
Old 12-30-2017, 09:52 PM
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1970 Chevelle Duramax Hot Rod, '04 LB7/TH400-gear vendor, S475/factory IHI. Just a cruzer :-)

2002 2500HD LLY swap 5-24-15.
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  #35  
Old 12-30-2017, 10:07 PM
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I used Josh idea for the vc and harness mods. He did a rat rod LB7 like this and it just looked clean and simple. Reduced the harness 1 bale connector routed to the back of the engine, relocated the ficm and shaved valve covers. Took it one step further with the custom fuel return lines. Tons of work but well worth it in the end.

Thx Josh for planting the seed!!
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1970 Chevelle Duramax Hot Rod, '04 LB7/TH400-gear vendor, S475/factory IHI. Just a cruzer :-)

2002 2500HD LLY swap 5-24-15.
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  #36  
Old 12-30-2017, 11:10 PM
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Looks fantastic! Good luck tomorrow, keep us posted!

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  #37  
Old 12-31-2017, 07:00 AM
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I guess I hadnt paid attention to how you routed everything before, but that really is a nice job on the packaging of everything. Very compact and well laid out.

I find it funny that the guys running the van Tstat housing were searching for an upper rad hose routing....and all they had to do was look at pics of your car. Good old GM A-bodies.

Have fun. Good luck.
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  #38  
Old 12-31-2017, 07:11 AM
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Very clean install. Looks great.
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  #39  
Old 12-31-2017, 10:19 AM
gmc502 gmc502 is offline
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looks awesome,,should give everyone some ideas on how to route things.
any pics of the harness cleaned up?
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  #40  
Old 12-31-2017, 02:40 PM
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Great work as always Rick Keep us posted on the racing.
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  #41  
Old 12-31-2017, 03:17 PM
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Very nice!

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  #42  
Old 01-03-2018, 08:36 AM
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Quote:
Originally Posted by gmc502 View Post
looks awesome,,should give everyone some ideas on how to route things.
any pics of the harness cleaned up?
I did not take any pics while we were removing/moving wires (other then the one with the engine harness unloomed). But essentially anything that was not needed to make the engine run was removed, then the wires that were left over were all consolidated into the big bale connector. I made the same changes on the ECM side and plugged her in. Also, had to extend some of the injector pig tails, as I wanted the FICM to mount away from the engine. And moved the FICM/ECM grounds to the same location on the back of the driver side head. I did move the baro sensor away from the engine as well and have it close to the ECM, attached to the harness, just to give us extra room at the bale connector.
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1970 Chevelle Duramax Hot Rod, '04 LB7/TH400-gear vendor, S475/factory IHI. Just a cruzer :-)

2002 2500HD LLY swap 5-24-15.
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  #43  
Old 01-21-2018, 09:14 PM
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Well, never a dull moment. 2 days of racing went well. Next day of just driving down the road not so much. Broke #1 intake pushrod. Didnít seem to do any other damage. Cleaned everything up, found all the broken pieces and slammed in another. Seemed to run fine with another stock one.

Just to be safe, ordered up a set of SoCal CM ones and a rocker stud kit. Got those in this weekend.

Only got 1 timed pass on New Yearís Day. Went 11.17@120 off the trailer. Hopefully will be testing in 2 weeks here locally.







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1970 Chevelle Duramax Hot Rod, '04 LB7/TH400-gear vendor, S475/factory IHI. Just a cruzer :-)

2002 2500HD LLY swap 5-24-15.
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  #44  
Old 01-22-2018, 06:35 AM
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That's an interesting failure mode. Don't think I've ever seen one fail like that before.

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  #45  
Old 01-22-2018, 01:01 PM
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Quote:
Originally Posted by DAVe3283 View Post
That's an interesting failure mode. Don't think I've ever seen one fail like that before.

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Neither have I. But after speaking to Lorenzo at SoCal and knowing the abuse they seen in my car the past 10 years chopping it up to fatigue...... I should have replaced them when I built the engine but, itís done now.

Fingers crossed, hoping for the best.
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1970 Chevelle Duramax Hot Rod, '04 LB7/TH400-gear vendor, S475/factory IHI. Just a cruzer :-)

2002 2500HD LLY swap 5-24-15.
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