RetiredRealtorRick
St. Augustine Beach, FL
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Joined: 04/17/2020
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BurbMan wrote:Hate to be the bearer of bad news on your ol' 2002, but if you haven't replaced the brake lines or fuel lines that will be next...
If he waited 20 years to replace plugs and wires, maybe the OP just isn't that much into truck maintenance --- just sayin'
. . . never confuse education with intelligence
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mkirsch
Rochester, NY
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Joined: 04/09/2004
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RetiredRealtorRick wrote:BurbMan wrote:Hate to be the bearer of bad news on your ol' 2002, but if you haven't replaced the brake lines or fuel lines that will be next...
If he waited 20 years to replace plugs and wires, maybe the OP just isn't that much into truck maintenance --- just sayin'
I haven't owned it 20 years. Actually I'm not sure if it's 10 or 12. Bought it with 38,000 miles on it.
It's only got 51,000 miles on it now and has never been run in the salt. Those plugs and wires should have been good for another 49,000!
Oh and the brake lines went 8 years ago. Fuel lines are MINT.
Putting 10-ply tires on half ton trucks since aught-four.
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jerem0621
Tennessee
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Joined: 05/17/2009
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So sorry for your troubles!
I have a buddy who has a lifter fail on his 2020 Silverado. Instead of waiting for the truck to get repaired he traded it in on a new ZR2 Silverado.
200 MILES on the new truck.
~ Lifter Failure ~
On the other hand the 2.7l has proven extremely reliable and capable. I’m recommending them to anyone looking for a newer GM full size truck.
They do have DOD but it’s controlled by the cam not the lifter. Seems to be a much more reliable system.
Thanks
Jerem
TV-2022 Silverado 2WD
TT - Zinger 270BH
WD Hitch- HaulMaster 1,000 lb Round Bar
Dual Friction bar sway control
It’s Kind of Fun to do the Impossible
~Walt Disney~
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Grit dog
Black Diamond, WA
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Joined: 05/06/2013
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jerem0621 wrote:So sorry for your troubles!
I have a buddy who has a lifter fail on his 2020 Silverado. Instead of waiting for the truck to get repaired he traded it in on a new ZR2 Silverado.
200 MILES on the new truck.
~ Lifter Failure ~
On the other hand the 2.7l has proven extremely reliable and capable. I’m recommending them to anyone looking for a newer GM full size truck.
They do have DOD but it’s controlled by the cam not the lifter. Seems to be a much more reliable system.
Thanks
Jerem
Buddy with more dollars than sense. Which makes it even funnier!
New ZR2s are cool looking trucks with a lame designation. ZR2 conjures up images of 20 year old S10 blazers!
2016 Ram 2500, MotorOps.ca EFIlive tuned, 5” turbo back, 6" lift on 37s
2017 Heartland Torque T29
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Grit dog
Black Diamond, WA
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At least the 02 isn’t a Ford. If it was, half the 20 year old spark plugs would have stripped out and the other half would have snapped off! (Except maybe the ones that blew out of the head already!
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bguy
The Rock
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Joined: 09/16/2013
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What is causing these failures?
I thought that was a Hemi thing?
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2011 Ram 1500 Quad Cab, 4x4, 3.55, HEMI
2009 TL-32BHS Trail-Lite by R-Vision
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Horsedoc
Dixie --- N. Georgia
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Joined: 09/30/2002
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Back years ago when I was young (and did crazy things) I heard of pushrods getting bent when hydraulic lifters would allow them to float and bad and expensive things happened. That was usually on cases of a heavy foot on the accelerator and the engine just over revving. Buddy put solid lifters in a 390 ford engine and stopped that but it sounded like a pea-thrasher sitting there idling.
Sorry for your troubles brother, it did bring back some long ago memories though
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BenK
SF BayArea
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Joined: 04/18/2002
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Cam/Lifter design has the lifter slightly off center to have the cam lobe ‘turn’ the lifter to distribute the wear…old days
With today’s lifters fitted with rollers, wondering if the lifter somehow gets off line and the roller tries to ‘go thataway”, while the cam wants it to ‘go thisaway”
Why OHV can rev higher vs pushrod configuration
-Ben Picture of my rig
1996 GMC SLT Suburban 3/4 ton K3500/7.4L/4:1/+150Kmiles orig owner...
1980 Chevy Silverado C10/long bed/"BUILT" 5.7L/3:73/1 ton helper springs/+329Kmiles, bought it from dad...
1998 Mazda B2500 (1/2 ton) pickup, 2nd owner...
Praise Dyno Brake equiped and all have "nose bleed" braking!
Previous trucks/offroaders: 40's Jeep restored in mid 60's / 69 DuneBuggy (approx +1K lb: VW pan/200hpCorvair: eng, cam, dual carb'w velocity stacks'n 18" runners, 4spd transaxle) made myself from ground up / 1970 Toyota FJ40 / 1973 K5 Blazer (2dr Tahoe, 1 ton axles front/rear, +255K miles when sold it)...
Sold the boat (looking for another): Trophy with twin 150's...
51 cylinders in household, what's yours?...
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rjstractor
Maple Valley, WA
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Joined: 01/20/2003
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dodge guy wrote:3 GMs 3 problems. Time for a different brand.
Lol I was thinking same thing!
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mkirsch
Rochester, NY
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Joined: 04/09/2004
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bguy wrote:What is causing these failures?
I thought that was a Hemi thing?
GM mechanic told me they "swell" in the bore because they're hollow hydraulic roller lifters.
If they were solid roller lifters, no problem.
If they were straight hydraulic lifters, no problem.
The combination of the two is what's the issue.
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