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Search: Posts Made By: KLJ
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Forum: C6 Corvette ZR1 & Z06
02-21-2013, 01:13 PM
Replies: 186
Views: 6,937
Posted By KLJ

Theater

Well, it's been interesting but I do not see further input from me being of value. I am glad you wanted to shake my hand when my analysis coincided with yours. I am disappointed that you are...
Forum: C6 Corvette ZR1 & Z06
02-21-2013, 11:59 AM
Replies: 186
Views: 6,937
Posted By KLJ

What?

What will happen in a high compression engine with sensitive knock detection when the intake charge is contaminated with excessive oil?

It would be nice if modern engineering were all straight...
Forum: C6 Corvette ZR1 & Z06
02-21-2013, 11:05 AM
Replies: 186
Views: 6,937
Posted By KLJ

Why?

Why are people finding it necessary to add catch cans to their engines?

Edit: Dry sumped engines.
Forum: C6 Corvette ZR1 & Z06
02-21-2013, 09:13 AM
Replies: 186
Views: 6,937
Posted By KLJ

It appears from one case that use of alternate...

It appears from one case that use of alternate valve train components may alter the crankcase emissions and by way of this the engine emissions.

I think this would trigger the need to have the...
Forum: C6 Corvette ZR1 & Z06
02-21-2013, 04:06 AM
Replies: 8
Views: 938
Posted By KLJ

Whoever did your tune should be able to answer...

Whoever did your tune should be able to answer this question regarding oil temperatures. What did they say?

If someone is modifying the tune they need to have answers for this. As was pointed...
Forum: C6 Corvette ZR1 & Z06
02-20-2013, 08:39 PM
Replies: 119
Views: 21,966
Posted By KLJ

http://books.google.com/books?id=Rue_FhZsV40C&pg=P...

http://books.google.com/books?id=Rue_FhZsV40C&pg=PA84&lpg=PA84&dq=will+using+sodium+filled+exhaust+valves+affect+emissions&source=bl&ots=38q84G0tk5&sig=I-ho0k6ruvDk7QhHlq4oJQ9CEZM&hl=en&sa=X&ei=UHclUb...
Forum: C6 Corvette ZR1 & Z06
02-20-2013, 02:17 PM
Replies: 119
Views: 21,966
Posted By KLJ

Just curious as to how the various govt agencies...

Just curious as to how the various govt agencies view switching valves/springs -- California has always seemed to be the worst. Is there an exemption for this? Tunes are above and beyond that, of...
Forum: C6 Corvette ZR1 & Z06
02-20-2013, 11:46 AM
Replies: 119
Views: 21,966
Posted By KLJ

http://www.hotrod.com/techarticles/engine/hdrp_060...

http://www.hotrod.com/techarticles/engine/hdrp_0602_600_horsepower_ls7_dyno_test/viewall.html

2006 article in Hot Rod.
Forum: C6 Corvette ZR1 & Z06
02-20-2013, 05:34 AM
Replies: 119
Views: 21,966
Posted By KLJ

http://www.autofieldguide.com/articles/chevys-smal...

http://www.autofieldguide.com/articles/chevys-small-block-story-of-a-remarkable-engine



And they retained use of the sodium exhaust valve. Interesting, eh?

Aside: Another idea you should...
Forum: C6 Corvette ZR1 & Z06
02-19-2013, 06:13 PM
Replies: 119
Views: 21,966
Posted By KLJ

Certainly there is a way to QC that issue. ...

Certainly there is a way to QC that issue. Average density. Or xray inspection.
Forum: C6 Corvette ZR1 & Z06
02-19-2013, 06:08 PM
Replies: 119
Views: 21,966
Posted By KLJ

Yes, I think it would be more prone unless the...

Yes, I think it would be more prone unless the tuner is someone like Ricardo or AVL. I think a fundamental tuning assumption is that there is a safety factor built into stock tunes that can be...
Forum: C6 Corvette ZR1 & Z06
02-19-2013, 11:43 AM
Replies: 119
Views: 21,966
Posted By KLJ

I think that it is a safe assumption that GM...

I think that it is a safe assumption that GM considered all sorts of combinations of parts. The LS7 was a halo engine and would had received even more analysis than normal because of its output and...
Forum: C6 Corvette ZR1 & Z06
02-19-2013, 02:32 AM
Replies: 119
Views: 21,966
Posted By KLJ

Yes, I rather think he would know where he left...

Yes, I rather think he would know where he left it. :lol:
Forum: C6 Corvette ZR1 & Z06
02-19-2013, 02:25 AM
Replies: 119
Views: 21,966
Posted By KLJ

Ich meine dass Ich Deutsch meistens verstehen...

Ich meine dass Ich Deutsch meistens verstehen kann aber Sprechen und Schreiben ist eigentlich doch was anders.

When I studied logic, mathematics and philosophy I thought it was important to read...
Forum: C6 Corvette ZR1 & Z06
02-18-2013, 03:50 PM
Replies: 119
Views: 21,966
Posted By KLJ

One of my grandfather's co-workers in Detroit was...

One of my grandfather's co-workers in Detroit was on a Panther crew. At a systems science conference I met one of the designers of the Chieftain and we had an interesting discussion about improvised...
Forum: C6 Corvette ZR1 & Z06
02-17-2013, 08:21 PM
Replies: 119
Views: 21,966
Posted By KLJ

Wow. Cool. Hey week before last I visited...

Wow. Cool.

Hey week before last I visited with a really great electrical engineer who loved trains, failure analysis and old radio shows.

When I lived in Detroit about thirty years ago I would...
Forum: C6 Corvette ZR1 & Z06
02-17-2013, 08:06 PM
Replies: 119
Views: 21,966
Posted By KLJ

And the shell analysis doesn't even take into...

And the shell analysis doesn't even take into account the presence of a sloshing fluid whose density and viscosity will vary with EGT and WILL interact with the longitudinal and circumferential...
Forum: C6 Corvette ZR1 & Z06
02-17-2013, 07:39 PM
Replies: 119
Views: 21,966
Posted By KLJ

------>

------>
Forum: C6 Corvette ZR1 & Z06
02-17-2013, 06:25 PM
Replies: 119
Views: 21,966
Posted By KLJ

That's a really cool avatar of the Tiger. ...

That's a really cool avatar of the Tiger.

The Tiger had a problem with vibration in the engine starting at around 3000 rpms. If you look at the engineering it appears to be because of the dynamic...
Forum: C6 Corvette ZR1 & Z06
02-17-2013, 05:55 PM
Replies: 119
Views: 21,966
Posted By KLJ

You must think of the vibrations, longitudinal...

You must think of the vibrations, longitudinal AND circumferential as happening simultaneously along with the axial translation of the valve. The movement would have the same effect as the...
Forum: C6 Corvette ZR1 & Z06
02-17-2013, 01:29 PM
Replies: 119
Views: 21,966
Posted By KLJ

You might want to look at Figure 4.2 in Chapter 4...

You might want to look at Figure 4.2 in Chapter 4 of Lei Zhang's PhD thesis that I cited.
Forum: C6 Corvette ZR1 & Z06
02-17-2013, 04:29 AM
Replies: 119
Views: 21,966
Posted By KLJ

Hope in the wilderness...

http://www.speedtalk.com/forum/viewtopic.php?f=15&t=34314&start=90#p415653

Re: Camshaft Twist

by vannik » Sun Feb 17, 2013 2:17 am

I have been following this with interest. Years ago...
Forum: C6 Corvette ZR1 & Z06
02-17-2013, 03:49 AM
Replies: 119
Views: 21,966
Posted By KLJ

Engineering

http://www.crank-scrapers.com/Engineering.jpg

"Lasciate ogne speranza, voi ch'intrate"
Forum: C6 Corvette ZR1 & Z06
02-17-2013, 03:37 AM
Replies: 119
Views: 21,966
Posted By KLJ

Science

http://www.crank-scrapers.com/Munch.jpg
Forum: C6 Corvette ZR1 & Z06
02-16-2013, 11:28 PM
Replies: 119
Views: 21,966
Posted By KLJ

http://www.deltaflex.com/lord_pdfs/engineering_gui...

http://www.deltaflex.com/lord_pdfs/engineering_guide_ip.pdf

http://arrow.uws.edu.au:8080/vital/access/manager/Repository/uws:3567/SOURCE6

Looks like they are tweaking the natural frequency of...
Showing results 1 to 25 of 151
 
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