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#1 |
Registered User
Join Date: Feb 2002
Location: Vacaville, CA
Posts: 2,746
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Why I love factory timing chains, NOT
Pictures are worth a thousand words:
All the exhaust valves are smacked hard even the intakes got nicked pretty good.
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![]() ![]() 99 Pontiac S/C GTP, SLP Ram Air hood, GMPP Konis & springs 95 Neon ACR, MP PCM, AFX UDP, 3.0 CAI |
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#2 |
State of Confusion!
![]() ![]() Join Date: Jul 2002
Location: Gulfport, MS USA
Posts: 46,903
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Re: Why I love factory timing chains, NOT
Ouch!. How fast were you going when it let loose?
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Bill 1970 Chevy Custom/10 LWB Fleetside 2010 Toyota Tacoma PreRunner SR5 Double Cab - DD Member of Louisiana Classic Truck Club (LCTC) Bill's Gallery Life isn't tied with a bow, but it's still a gift. Live simply. Love generously. Care deeply. Speak kindly. Leave the rest to God! |
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#3 |
its all about the +6 inches
Join Date: Jan 2001
Location: Hilliard Ohio
Posts: 2,693
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Re: Why I love factory timing chains, NOT
WOW! I've NEVER seen one that bad!
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#4 |
Registered User
Join Date: Feb 2002
Location: Vacaville, CA
Posts: 2,746
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Re: Why I love factory timing chains, NOT
I was only going about 30 mph, and i put it in neutral only about a second after it died. That happened like a year and a half ago and i just now finaly got the time to take it apart. lol Oh well. No one would believe me that it bent all the valves, but just look at the pics. lol
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![]() ![]() 99 Pontiac S/C GTP, SLP Ram Air hood, GMPP Konis & springs 95 Neon ACR, MP PCM, AFX UDP, 3.0 CAI |
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#5 |
Truck junkie
![]() Join Date: May 2006
Location: Reno NV
Posts: 697
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Re: Why I love factory timing chains, NOT
Was that top gear one of those ones with the nylon on the teeth? every one of those I have seen that failed like that had the nylon covered teeth on the upper gear. Either way it sucks to have that much damage due to a timing set failure. Hope you get it back on the road soon.
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#6 |
Registered User
Join Date: Feb 2002
Location: Vacaville, CA
Posts: 2,746
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Re: Why I love factory timing chains, NOT
Yeah it was nylon gear, thats why I always use a double roller and steel gear on rebuilds.
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![]() ![]() 99 Pontiac S/C GTP, SLP Ram Air hood, GMPP Konis & springs 95 Neon ACR, MP PCM, AFX UDP, 3.0 CAI |
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#7 |
'71 chevy s.bed/s.side
![]() Join Date: Mar 2005
Location: Chesapeake, VA
Posts: 1,571
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Re: Why I love factory timing chains, NOT
I posted here Sunday about a problem with my son's '71. Running rough/backfiring, etc. I believe we've narrowed it down to the timing chain. It has a loud noise coming from the front cover. We're tearing into it Friday night.
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STILL PLAYS WITH CARS...AND TRUCKS!! Parents! Be good to your kids...they get to choose your nursing home! 250 I-6 with a 3 speed Saginaw and Borg Warner Overdrive...She's got overdrive! |
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#8 |
Senior Member
![]() Join Date: Jul 2004
Location: Estherville, Iowa
Posts: 3,371
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Re: Why I love factory timing chains, NOT
How many miles did the engine have on it when it went ? Are you going to fix it or rebuild now ? Most of the pieces will end up in the oil pump screen, I'm sure you know that, but something to check.
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1968 C10 307 3spd Long Fleet ------ http://67-72chevytrucks.com/vboard/s...d.php?t=201103 1970 C10 305 Super T10 Long Fleet --- http://67-72chevytrucks.com/vboard/s...d.php?t=202285 1971 C20 383 TH350 Dana Posi ----- http://67-72chevytrucks.com/vboard/s...d.php?t=206894 2001 GMC Sierra 1500 C3 6.0 Last edited by Green Machine; 06-20-2006 at 10:47 PM. |
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#9 |
Oilfield Trash
Join Date: Sep 2003
Location: Raymore, Sk, Canada, Earth
Posts: 3,171
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Re: Why I love factory timing chains, NOT
At the wrecker one day I saw a little 4banger eagle talon turbo motor that blew the timing belt at like 5000rpm, all 4 pistons had huge holes in them!
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14 Dodge 3500 Mega Cab 08 Dodge 3500 Mega Cab 87 Chev 3+3 4x4 80 GMC K10 High Sierra bone stock 70 Chevelle 350SS long term project 68 GMC 3ton Grain Truck/Garbage wagon 50 Pontiac 2 Door Coupe Project "I've got a shotgun rifle and a 4 wheel drive and a country boy can survive" Hank Jr. |
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#10 |
Registered User
Join Date: Jun 2002
Location: central pa
Posts: 1,525
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Re: Why I love factory timing chains, NOT
Been there done that. It looks like my timing gear on my BBC about 20 years ago. It bent 8 exhaust valves and push rids were bent like "Z"s. It had 83k miles when it happened. My chevy 305 in my old nova started to go about 85k caught that one when I changes the oil and found the little pieces in the bottom of the drain pan(thats why I like to change my own oil). I changed the cam while I had it apart.
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72 longhorn c30 502BB/th400/fact air/4.11rear/ custom camper 72 bug(the better half's) under reconstruction 2009 HHR aqua blue 71 GMC k20 350/sm465 2009 Chevy hd3500 6.6 Victory Red crew cab dually Dave & Jeanne |
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