02-15-2011, 05:21 PM | #29 |
Petro-sexual
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02-15-2011, 05:32 PM | #30 |
Drives: 2010 Camaro 2SS/RS SIM Join Date: Apr 2009
Location: Calgary, Alberta
Posts: 1,697
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Absolutely cost and time are both factors, but look at it this way...if you ever want an engine built, you're that much wiser with this knowledge in you data base!
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02-15-2011, 06:15 PM | #31 |
Drives: 04 Denali Join Date: Feb 2010
Location: stockton ca
Posts: 390
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Very interesting. I'll be watching this thread
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But Officer, I swear its just a vacuum leak. Those red things? those are smog pumps! 2004 Sierra Denali ----- 2/4 drop LSX 438 TWIN TURBO LSX Block Video Block number 00370. Build Date 04/17/2007 |
02-15-2011, 07:38 PM | #32 |
Catch me if you can
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Very nice! It's little touches like this that will give GM the edge over the other manufactures.
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02-15-2011, 08:23 PM | #33 |
Drives: 2010 CAMARO BLK 2SS/L99 Join Date: May 2009
Location: Birmingham,Al
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02-15-2011, 08:39 PM | #34 |
Join Date: Feb 2010
Location: Houston, Texas
Posts: 763
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I always figured it was the standard for how a block should be machined and just assumed that it was common practice for every auto manufacturer to ensure the best quality built motor. Guess i was wrong about that.
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02-15-2011, 10:04 PM | #35 | |||
I used to be Dragoneye...
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Quote:
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Do you think Ford should use the expensive plasma-arc technology on ALL their cars? It's a better design than just standard press-fit sleeves.... Remember...high-performance "supercars" get to try out emerging technologies, first because their cost allows them to absorb the premium of these techniques....and then, in time, some of this trickles down to other, less-expensive cars. It's the same with the Volt -- the pinnacle of automotive efficiency in design. The aerodynamic work on the front air damn has made it to the Cruze...and the lithium batter/controller technology has made it to several Buicks with an "eAssist" badge. Expensive cars get more stuff packed into them...high-po cars need hi-po attention... |
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02-15-2011, 10:22 PM | #36 |
Drives: Waiting to be ordered Join Date: Jun 2009
Location: Detroit, Michigan
Posts: 37
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The torque-plate honing has been around awhile, so it isn't any kind of new magic mojo for engine building, but it does add alot of hands-on manual human labor that obviously adds tons to the cost of assembly, as the process to finish hone a block is time consuming requiring constant measuring and adjustment to the boring bars's stone pressures and such. I have done this work in an engine shop, and takes a skilled touch to do it carefully and correctly, try calling your local engine shop and ask them what they charge to do it, plus the costs for the machine and training of individuals to do it, on top of where do they draw the line for # of machines/employees running them to keep up with production and not slow it down. Glad to see they are adding this touch to the ZL1, but doesn't make me think any less of the LS3's.
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02-15-2011, 11:46 PM | #37 |
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Drives: 99 Camaro SS, 79 z28, 70 GTX Join Date: Oct 2009
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Its a component of a precision build.
Its the difference between something you can do in your garage or a precision build to be honest. So is the align hone. Most shops don't do that as well but again its a component of a precision build. We do it every single time... deck to set proper quench, hone with correct tq plate and fasteners including side fasteners, align hone, balance..... Our engines cost a little more but they are precision built.. no step is ever skipped and I've talked to shops who will say that align honing is a waste and so is a few other things. BUT we've had customers bring us their engines and all we do is take them apart ..machine them properly and put them back together using all the same parts and gain 15-25 hp just from proper/precision block prep work. |
02-16-2011, 02:54 AM | #38 |
Drives: BLK 13 Camaro 1SS/1LE Join Date: Jul 2008
Location: Tampa, FL
Posts: 105
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This noob just learned something
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02-16-2011, 08:07 AM | #39 |
Drives: '06 Pontiac GTO M6, '19 F150 2.7TT Join Date: Nov 2008
Location: Charleston, SC
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Don't know if this has been posted before but on the LSA motors the heads are rotocasted to handle the extra cylinder pressures.
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02-16-2011, 08:17 AM | #40 |
Drives: 1992 Z28 1LE; 2015 Zl1 Join Date: Mar 2009
Location: Madisonville, LA
Posts: 866
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As many have mentioned this is not a new technique. It has been in use for racing engines (and probably very high end performance engines like Ferrari or Lamborghini). I am not sure when GM started using this process for Corvette engines but the LS7 for sure had it, anyone know if the LT5 was deck plate honed? It wouldn't surprise me either way. I think the big news here is that unless Ford has used the process on high end mustangs, this is likely the lowest price point car that has ever been offered with this process from the factory.
I would also assume that this process has been somewhat automated for LSA production.
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02-16-2011, 08:24 AM | #41 | |
Rev Couture
Drives: 2010 LS Camaro & 2013 Rav4 Ltd Join Date: Jan 2010
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Quote:
Does anyone know if Ford or Dodge are using the same process on their Mustangs or Challengers? (referring to the GT/GT500 and 6.4L 392..) I have read the 5.0 Mustang motor is pretty advanced in it own right also.
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02-16-2011, 08:52 AM | #42 |
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