V6 Discussion and questions about the base carbureted or MPFI V6's and the rare SFI Turbo V6.

Timing chain = big trouble?

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Old Mar 31, 2005 | 10:38 PM
  #1  
1989karr's Avatar
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Car: 89' Firebird / 87' Formula
Engine: 3.4 / 5.0
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Axle/Gears: 3.42 / 3.42
Timing chain = big trouble?

I got a 1989 2.8, and it's coming up to about 100,000 miles. I was wondering, if you snap the timing chain on a 2.8, does it bend the valves??? That is one thing that i don't want to happen!!! Would it be good to change it at 98,000 miles??? Thanks!

-Justin S.
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Old Mar 31, 2005 | 10:54 PM
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From: Gainesville, FL
Car: 1988 Chevy Camaro Hardtop
Engine: Turbocharged/Intercooled 3.1
Transmission: World Class T5 5 Speed
Nope, it just leaves you stranded at Fazoli's (long story with a BRAND NEW TIMING CHAIN SNAPPING)
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Old Apr 1, 2005 | 11:41 PM
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From: UCIrvine or SFV, CA
Car: 1999 Pontiac Trans Am
Engine: LS1 - 346 ci
Transmission: 4L60E
I had 115,000 on my car before I changed the chain, it totally renewed the car's peppiness!
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Old Apr 2, 2005 | 06:14 PM
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Car: '86 Camaro SC, '16 QX60
Engine: 2.8 V6 POWER, 3.5L V6 N/A
Transmission: T-5, CVT
Yeah, it's been discussed a few times, and apparently there is no interference between the valves and pistons regardless of where they are, i.e. at TDC and maximum lift. But definitely change it. I've been waiting a couple years to find time to do mine.
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Old Apr 4, 2005 | 12:34 PM
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1989karr's Avatar
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From: Hawaii
Car: 89' Firebird / 87' Formula
Engine: 3.4 / 5.0
Transmission: 700-R4
Axle/Gears: 3.42 / 3.42
Whew that's good to know. But yes, I think I will change it before it goes!
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Old Apr 5, 2005 | 12:26 AM
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From: cleveland ohio
Car: 1991 camaro RS
Engine: CharlesOdoryOB
Transmission: 82513892892
Axle/Gears: pbr disc 3.27 nine bolt
ya my timeing chain slipped 2 weeks after i got it
it didnt hurt anything car just sounded like it had a cam and had much more power but then it slipped again and wouldnt start
so i had to get it replaced
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Old Apr 7, 2005 | 03:56 AM
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From: Caldwell,ID
Car: 2005 BMW 545i
Engine: 4.4L N62B44
Transmission: 6spd auto
Axle/Gears: Rotating
Originally posted by Azrael91966669
ya my timeing chain slipped 2 weeks after i got it
it didnt hurt anything car just sounded like it had a cam and had much more power but then it slipped again and wouldnt start
so i had to get it replaced


isn't that the luck


your car is setup in correct form it breaks and slips the timing chain and you said sounded like it had a cam and had more power due to part being faulty


but then it does it again and well now your back to worse then before
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Old Apr 7, 2005 | 01:40 PM
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1989karr's Avatar
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Car: 89' Firebird / 87' Formula
Engine: 3.4 / 5.0
Transmission: 700-R4
Axle/Gears: 3.42 / 3.42
Originally posted by 89V6FBIRD
I had 115,000 on my car before I changed the chain, it totally renewed the car's peppiness!
I sure hope I gt a little more pep too!
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Old Apr 8, 2005 | 10:23 AM
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Car: 1988 Trans Am
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Ah now im a bit concerned as I have 129,000 miles and mine hasn't been replaced.
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