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06-12-2011
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#331 |
 Join Date: Jul 2010
Location: Woodstock, Ontario, Canada
Posts: 1,275
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Re: LT5 Assembly Project
Cool vid, thanks for sharing.
Seeing the process makes me wonder how durable the big bore LT5 engines are compared to a stock bore engine? There must be a lot of work into making the 415/427/441 inch engines. And mega amounts of money. peace Hog |
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06-13-2011
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#332 |
 
Join Date: Dec 2004
Location: Jacksonville, FL USA
Posts: 4,645
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Re: LT5 Assembly Project
Yea, thanks Lee! I'm finding this thread very educational for me! This is great stuff.
 Tom
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1990 ZR-1, Black/grey, #2233, stock. ZR-1 Net Reg Founding Member #316 & NCM member |
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06-13-2011
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#333 |
Join Date: May 2010
Location: Japan
Posts: 3,581
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Re: LT5 Assembly Project
Lee,
You are heading for a record with the longest lasting thread, if not already the winner. Many of us have been following this for the past 2 1/2 years. I can say that it definitely helped me while I was building my motor in my garage like you. Thanks for sharing all your trials and tribulations! Craig
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Craig "ZR-1 NO KA 'OI" "ZR-1 ICHIBAN" 1995 #228 Black/Black with Dunn Heads ZR-1 owner since September 2003 ZR-1 Net Registry Founding Member #0074 NCM Lifetime Member #2048 
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06-18-2011
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#334 |
 
Join Date: Mar 2007
Location: Crystal Lake, IL
Posts: 7,194
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Re: LT5 Assembly Project
Bad day today...
The bearings I am using were recoated by Calico....original to the car. Went through torque/angle on all of the cradle bolts, and the crank is locked. Did some testing.....2,3,4, bearings are locking the crank.....replaced the recoated thrust bearing with a new OEM and crank would spin as long as 2,4 were not torqued down. Seems odd....any thoughts?
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LGAFF 90 #966-150K miles-sold 92 #234-sold 1987 Callaway TT #17 1991 ZR-1 #1359 |
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06-19-2011
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#335 |
Join Date: Dec 2003
Location: Chicagoland,IL
Posts: 2,679
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Re: LT5 Assembly Project
Are you trying this with anearobic sealent on the cradle.
Pete
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'91 #1635 PoloGreen 350 LT5 11.09 @ 129.27 11.04 @ 128.86 474RWHP 400RWTQ http://www.youtube.com/watch?v=SFNFOhGGlR4 http://www.youtube.com/watch?v=ZlRIOMwaDYY https://sites.google.com/site/peteszr1garage |
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06-19-2011
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#336 |
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Join Date: Sep 2005
Location: Washington
Posts: 955
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Re: LT5 Assembly Project
somethings wrong..
The CT-1 coating is .25-.30 mils this is less then .0005 not .001 |
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06-19-2011
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#337 |
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Join Date: Mar 2007
Location: Crystal Lake, IL
Posts: 7,194
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Re: LT5 Assembly Project
Sealant is on the cradle surface.....
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LGAFF 90 #966-150K miles-sold 92 #234-sold 1987 Callaway TT #17 1991 ZR-1 #1359 |
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06-19-2011
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#338 |
  
Join Date: Feb 2010
Location: Pendleton, IN
Posts: 3,904
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Re: LT5 Assembly Project
Was the block/caps line bored?
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1988 KOH Prototype EX5023 sold 1990 ZR-1 #444 Convertible 1990 ZR-1 Black #966 1991 ZR-1 Quazar Blue #296 1957 Duntov SS Project |
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06-19-2011
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#339 |
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Join Date: Mar 2007
Location: Crystal Lake, IL
Posts: 7,194
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Re: LT5 Assembly Project
No allign bore as no known history of a spun bearing, etc
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LGAFF 90 #966-150K miles-sold 92 #234-sold 1987 Callaway TT #17 1991 ZR-1 #1359 Last edited by LGAFF; 06-19-2011 at 12:46 AM. |
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06-19-2011
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#340 | |
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Join Date: Feb 2010
Location: Pendleton, IN
Posts: 3,904
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Re: LT5 Assembly Project
Quote:
Has the crank ever fell over while standing on end? I've seen them bent from this. Doesn't take much to do this. If the crank is not bent, would it make sense to use shims on specific caps? (given that the crank is straight) We do this on every six cylinder used on my 53 restos.
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1988 KOH Prototype EX5023 sold 1990 ZR-1 #444 Convertible 1990 ZR-1 Black #966 1991 ZR-1 Quazar Blue #296 1957 Duntov SS Project Last edited by Blue Flame Restorations; 06-19-2011 at 12:46 AM. |
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