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06-05-2013
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#21 |
 
Join Date: Mar 2007
Location: Crystal Lake, IL
Posts: 7,193
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Re: Valve train Puzzle
So do you think its just a quality control issue with the lifters? There are several articles on-line stating its a crap shoot when you buy them due to the # of suppliers
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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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06-05-2013
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#22 |
  
Join Date: Feb 2010
Location: Pendleton, IN
Posts: 3,904
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Re: Valve train Puzzle
Lots of the lifters are made in China these days. I can't get US made solid lifters for a 235 six cylinder motor any longer. And yes, they do break.
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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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06-06-2013
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#23 | |
 Join Date: Nov 2007
Location: chicago
Posts: 200
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Re: Valve train Puzzle
Quote:
AL. |
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06-06-2013
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#24 | |
 
Join Date: Aug 2009
Location: South Dakota/California
Posts: 3,797
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Re: Valve train Puzzle
Quote:
How long had they been installed? Is there anything that might have contributed to lifter failure other than poor quality lifter? If so...what does Pete have to say about Mellings JB 2236 as they are as identical to stock lifters as you can get? Lifters Last edited by Dynomite; 06-06-2013 at 03:40 AM. |
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06-06-2013
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#25 | |
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Join Date: Nov 2007
Location: chicago
Posts: 200
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Re: Valve train Puzzle
Quote:
AL. |
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06-06-2013
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#26 | |
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Join Date: Aug 2009
Location: South Dakota/California
Posts: 3,797
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Re: Valve train Puzzle
Quote:
Such that you had valve contact with pistons? I know it is close depending on head work, valve work, timing and Cams.....I had light (but you could see) eyebrows on all pistons on a set of heads not too long ago. Last edited by Dynomite; 06-06-2013 at 08:11 AM. |
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06-06-2013
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#27 | |
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Join Date: Nov 2007
Location: chicago
Posts: 200
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Re: Valve train Puzzle
Quote:
AL. |
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06-06-2013
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#28 | |
 
Join Date: May 2007
Location: Peoria, AZ
Posts: 9,155
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Re: Valve train Puzzle
Quote:
Very ugly Even when I lost my secondaries system the very small pieces bent 2valves.
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GOLDCYLON - 91 ZR-1 #2014 GOLDCYLON - 90 ZR-1 #2794, 4L60e (Formerly Schrade's) GOLDCYLON - 11 CTS-V Arizona State Director  91 WHITE/BLACK #2014. 380 P&P&PCed,Ported Heads, Jeal Long tubes, Corsa Exhaust/FIKSE FM-5s /LED TLs, LED Headlights, Front Wilwood 6 piston narrowlite calipers and rear Wilwood caliper street shop mod,CNCed Coolant Pipes,TPI Cvr,Filter cover,Stainless Bolts, DRM/DOM PROM /ZFDOC mod build #102,DRLs,BMAD with stainless Debris Screen,Coplan Air Blaster, Pioneer APP Radio 4,Brey-Krause HB,Sub Bar,Fire extinguisher seat mount,DRM Coilovers,LEDs everywhere,Compass mirror (orange),V1 DIC hidden display, Homelink sun visor, Carbon Fiber top x3 and APSIS Carbon Fiber interior, APSIS CF Steering Wheel/NAPA Leather, Banski trailing arms, Guldstrand front suspension,urethane bushings from Prothane (total suspension) ZFDoc drive shaft safety loop, raptor shift light (orange),AO engineering louver front plate, Console seat cushion, 96CE seats with black custom Sheepskins, ss billet catch can,Viper remote entry/alarm,Cragar Rear Louvers,LED side louver lights, Dewitts Radiator with SPAL fans and a Woods 160 T-Stat 90 RED/BLACK #2794. 4L60e Automatic Stage V by RPM Transmission, TCI Dedicated TCM, OBX Stainless Headers, Corsa Exhaust, SAN Secondaries and Haibeck PROM, Exotic Muscle Coil overs, LED Interior Lights, LED Tail Lights, LED Headlights, 94 Sport seats with black custom Sheepskins , Cragar rear louvers, GS Front calipers, Banski Trailing arms, APSIS Carbon Fiber steering wheel, Front and Rear Baer Eradispeeds, DRLs, Guldstrand front suspension,urethane bushings from Prothane (total suspension), Dewitt's Raditor with Dual SPAL fans and a Haibeck 170 T-Stat 11 RED/GREY CTS-V |
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01-01-2022
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#29 | |
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Join Date: Jul 2021
Location: Chicago, IL
Posts: 19
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Re: Valve train Puzzle
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I hate to see broken LT5's  Al, I was trying to connect with you since I'm local but your inbox is full. Can you email me at newnode@mac.com |
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