Duramax Diesels Forum Truck of the Week
  #16  
Old 05-21-2018, 07:03 PM
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Whipple 2.9 would be soooo nasty...

There was that guy on DP years ago...."whippled496" or something like that. I could live with a blown BBC.
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  #17  
Old 05-22-2018, 07:55 AM
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Ehem. Those rods are W E A K or so I hear or Id have turbo-ed one years ago for my 72 blazer Now get to work we need carnage.
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  #18  
Old 09-24-2018, 05:10 PM
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Sorry guys been awhile. Took the summer off to spend with the family and the humidity was stupid this year in dallas. Or I'm just getting older lol. No fun doing body work on the driveway with no shade and 108 index. Anyways can a moderator change the thread title lol. I'm rough on trucks that aren't my show pieces. Bought 4 gallons of raptor lining. It's like rhino and all. Not the same but a lot of great reviews. Going to use that. Got the cab corner replaced and most wiskey dents out. Hopefully shoot Thursday. My buddy that owned the truck thinks this 8.1 will take my lbz. I told him no way. We'll see next week stock BBC against stock lbz. I'll post some pics in a few
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  #19  
Old 09-24-2018, 05:15 PM
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Originally Posted by Madspeed View Post
Ehem. Those rods are W E A K or so I hear or Id have turbo-ed one years ago for my 72 blazer Now get to work we need carnage.
And I'll probably not blow it up on perpose lol. There hit and miss to find. But I will order the raylar 540 kit. Do a rebuild and fix all of the junk gm did.
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  #20  
Old 09-24-2018, 05:49 PM
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I was surprised how well the harbor freight stud welder did to pull dents.


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  #21  
Old 09-24-2018, 06:35 PM
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Im just drooling over the c10
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  #22  
Old 09-24-2018, 07:09 PM
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Im just drooling over the c10


Thank you sir. I'm proud of that one. Built and painted in this garage by me.






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  #23  
Old 09-24-2018, 09:30 PM
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I had 2 of those trucks with 8.1/Allison, an 01 and 04. Either of those trucks stock would've dusted my LBZ stock. Those trucks did awesome burnouts. I had the 04 tuned with stainless works long tube headers and full exhaust. Pulled an s185 around without much effort. I'd buy another if I could find an 06 reg cab with the 6 speed.
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  #24  
Old 09-25-2018, 06:58 AM
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https://www.youtube.com/watch?v=dIj1m83BhCA
https://www.youtube.com/watch?v=Zj0ZCVYdFNk
All stock other than the noise
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Last edited by graystonelbz; 09-25-2018 at 07:07 AM.
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  #25  
Old 09-25-2018, 08:40 AM
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Well maybe the old BBC will prove me wrong. I'll be racing them next week for sure.

Could you feel a noticeable difference with the headers and tune? And which tune did you use?
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  #26  
Old 09-25-2018, 09:41 AM
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Originally Posted by duramax on fire View Post
Well maybe the old BBC will prove me wrong. I'll be racing them next week for sure.

Could you feel a noticeable difference with the headers and tune? And which tune did you use?
The Headers and tune and woke the truck up quite a bit. It definietly made it alot more responsive and reved easier. The stainless headers on the 2004 were not cheap but I had originally planned on doing more to the truck when I bought them. Back then I had a tuned ECM from Westers garage out of Canada. There weren't nearly as many tuner options in 2004 for those trucks. My 2001 in the video above felt like it had more snort stock over the 2004. Odly enough the 2001 was rated at 340 HP and 455 TQ and the 2004 was 330 and 450 I think. They went to throttle by wire in 2003 so maybe thats where the differences come into play. If your 8.1 runs good I would think it would outrun a stock LBZ, but I never raced them. FYI, I bought both the 8.1's new and they both burnt a quart of oil every 3000-4000 miles. Keep us updated if you line them up, I'm very curious. The Alison behind the 8.1 shifts unbelievably well without all the diesel torque and defueling.
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  #27  
Old 09-25-2018, 09:45 AM
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the 2004
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  #28  
Old 09-25-2018, 01:24 PM
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Thanks for the info. I was looking at some shorty headers for 700 cermic coated. Probably do that first since it needs different exhaust anyways.

Yeah I think they all burned oil. I've been told they didn't clearance the bore for each piston. Just did them all the same. So that's why most of them used oil.

Also I thought all the 8.1s were drive by wire. This 2000 is. The 03-04 was for the smaller ls motors.
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  #29  
Old 09-25-2018, 01:25 PM
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And good looking 04.
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  #30  
Old 09-25-2018, 02:05 PM
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Quote:
Originally Posted by duramax on fire View Post
Thanks for the info. I was looking at some shorty headers for 700 cermic coated. Probably do that first since it needs different exhaust anyways.

Yeah I think they all burned oil. I've been told they didn't clearance the bore for each piston. Just did them all the same. So that's why most of them used oil.

Also I thought all the 8.1s were drive by wire. This 2000 is. The 03-04 was for the smaller ls motors.
I think the 1st year for the 8.1 was 2001 in the new at the time HD trucks. Maybe they were both drive by wire, but i know something changed in the 03 and up trucks. Maybe it was just different ecm's and thats why the factory power #'s changed also. Hard to believe when these things came out in 2001 they were actually a viable gas towing option especially being as they had the Alison. They were hard on fuel but do have some damn good low end torque for a gasser. The current gas 6.0 option isn't even comparable to an engine that has been discontinued since 2006. I know fuel consumption played a factor, but I think they quit offering these in an effort to sell more higher priced diesels.
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