Duramax Diesels Forum Truck of the Week
  #31  
Old 02-17-2010, 11:22 AM
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Looks great so far now that you have all the tight bolts done everything else should be cake.

i dont remember seeing anywhere but are you doing a full build or just rods?
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  #32  
Old 02-17-2010, 12:41 PM
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Tom I think in text somewere it said 6 and 7 were right and left not sure why it did not come over. I was digging for lml stuff last night.
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  #33  
Old 02-17-2010, 06:21 PM
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Quote:
Originally Posted by Jared Duramax View Post
Looks great so far now that you have all the tight bolts done everything else should be cake.

i dont remember seeing anywhere but are you doing a full build or just rods?
Rods, key cam/crank, balance, etc. You know...the "normal" Dmax improvements. Nothing outrageous.
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  #34  
Old 02-17-2010, 06:45 PM
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Quote:
Originally Posted by TheBac View Post
Rods, key cam/crank, balance, etc. You know...the "normal" Dmax improvements. Nothing outrageous.
I probably missed it in your other thread, but what rods are you going with? You cutting your pistons while you have them out?
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  #35  
Old 02-17-2010, 07:42 PM
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LBZ's, although Im starting to wonder if Im going to be over their max rating by the time Im done. Been putting some serious thought into larger injectors to help keep cyl pressures down.

Plans are to leave the pistons alone for right now. Id like to keep as much static compression as I can.
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Last edited by TheBac; 02-17-2010 at 07:43 PM.
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  #36  
Old 02-17-2010, 07:42 PM
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Tom ...... you still planning lbz rods ? or did you cave in on the aftermarket stuff?
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  #37  
Old 02-17-2010, 07:44 PM
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sorry i missed your reply above
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  #38  
Old 02-17-2010, 07:49 PM
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If I were you, I would really think about cutting the lip down and maybe even coating the tops of the piston. It would probably drop you down to about the same compression ratio as a stock LBZ.
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  #39  
Old 02-17-2010, 07:56 PM
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Why do you want LBZ rods? I always thought they were the softest?
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  #40  
Old 02-17-2010, 08:08 PM
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Quote:
Originally Posted by x MadMAX DIESEL View Post
Why do you want LBZ rods? I always thought they were the softest?
No, the bent ones in my LB7 are the weakest. LBZs are slightly stronger. Im hearing that the LMLs may be stronger yet.

Quote:
Originally Posted by JoshH View Post
If I were you, I would really think about cutting the lip down and maybe even coating the tops of the piston. It would probably drop you down to about the same compression ratio as a stock LBZ.

Josh, thats always a possibility to cut them. Eric's advice is to cut them, too. We'll see whats up when I get the heads off. I may be forced to cut them to clean the lips up. Im just not sold on the need to do it for my situation. Its kind of a unique in that I am not using larger turbo(s) or dual fuelers like most people would do trying to hit 11s, which pretty much requires cutting pistons, hence my thinking of keeping compression high.
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Last edited by TheBac; 02-17-2010 at 08:11 PM.
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  #41  
Old 02-19-2010, 08:10 AM
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Tom Best of luck with your build. Cut the pistons, it can't hurt

Oh ya & since the motors out you are officially out of the "borrowed time" club. Please adjust your signature accordingly
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  #42  
Old 02-19-2010, 08:16 AM
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Quote:
Originally Posted by TheBac View Post
No, the bent ones in my LB7 are the weakest. LBZs are slightly stronger. Im hearing that the LMLs may be stronger yet.




Josh, thats always a possibility to cut them. Eric's advice is to cut them, too. We'll see whats up when I get the heads off. I may be forced to cut them to clean the lips up. Im just not sold on the need to do it for my situation. Its kind of a unique in that I am not using larger turbo(s) or dual fuelers like most people would do trying to hit 11s, which pretty much requires cutting pistons, hence my thinking of keeping compression high.
Tom , do yourself a favor and delip the pistons , because you not putting on a bigger turbo , or injectors IMOP your pistons are at a bigger risk them most because of the stock turbo and stock injectors , stock pump, it meens big Pulse width and poor pressure to make power , neither are good for EGT's .
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  #43  
Old 02-19-2010, 10:17 AM
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I say cut the pistions you wont really loose a whole lot of power from the lower compression but you will deffinatly save yourself the time from having to do all of this again when a pistion pops
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  #44  
Old 02-19-2010, 05:18 PM
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Quote:
Originally Posted by TNRGreene View Post
Tom Best of luck with your build. Cut the pistons, it can't hurt

Oh ya & since the motors out you are officially out of the "borrowed time" club. Please adjust your signature accordingly
Done. Thanks for pointing that out.
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"BBT" -- 2003 GMC CC/SB 4x4 12.14@111.15
"Flyin' Brick" -- 1999 Chevy 1500 RC/SB 2wd -- stalled out, no motivation
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Two wrongs dont make a right, but three rights do make a left.

Reality is a matter of perspective.

This forum isn't for the weak of heart.....or wallet.

"Lets build a race car they said. Itll be fun they said. I don't know who "they" are.........but they need a good punch in the face!" -- mufflerguy (yb)
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  #45  
Old 02-19-2010, 07:39 PM
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Quote:
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done. Thanks for pointing that out.
lol
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