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 Post subject: Highest mileage 3800?
PostPosted: Fri Jan 25, 2019 2:15 pm 
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Joined: Wed Jun 25, 2014 8:14 pm
Posts: 116
Location: Macedonia, OH
Year and Trim: 2002 SE
Hello all.

I saw a video on youtube today about the "10 most reliable engines running beyond 300,000 miles" and the 3800 V6 made it onto the list, of course. After watching this video, I did a quick google search to see if I could find the highest mileage 3800 on the road still....with most of what I saw being in the 200k range.

So, with that being said, what's the highest mileage you've ever heard of with the 3800 V6? The video said one was able to reach 565,000 miles or something like that.

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'02 Pontiac Bonneville SE 106k miles, N/A, SSEi exhaust system, boat roller mount.
(yes, there is a story behind my avatar.)


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PostPosted: Fri Jan 25, 2019 3:49 pm 
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Joined: Tue Aug 25, 2009 8:32 pm
Posts: 4495
Location: Dearborn, MI
Year and Trim: '93 SSEi
'05 STS-4
'97 Camaro
'97 LeSabre
The motor in my '93 came from a '98 SSEi that had 310k on it, and I put another 40k on it before needing a rebuild (which was caused by me anyway). My '92 is also over 300k.

It's fairly common to find these cars in the salvage yards well over 200k miles, usually it's either a transmission issue or frame rot (for those in the salt belt) that kills these cars off prematurely.

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Blow all the things! Wait, I meant boost. Boost!
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Runs:
'93 Pontiac Bonneville SSEi - Twincharged, manual, and lots more! Build thread
'97 Chevy Camaro - 3800 supercharged, T5, T-tops
'05 Cadillac STS - V8, AWD, her DD
'92 Olds Trofeo - Fair weather DD
'84 GMC Sierra Classic - Twin turbo 3800
'97 Buick LeSabre - L67 winter DD
'92 Pontiac Bonneville SSE future project

Doesn't run:
'87 Buick LeSabre T-type - future victim
'67 Buick LeSabre - future victim


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PostPosted: Fri Jan 25, 2019 4:27 pm 
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Joined: Thu Mar 31, 2011 8:57 pm
Posts: 282
Location: Muskego,Wisconsin
Year and Trim: 2005SLE Crimson Tincoat
2005SLE White-Gold Tricoat
My brother in law's 2001 SLE has 354,000 miles.
Motor has never been touched.
Transmission was rebuilt at 99,000.


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PostPosted: Fri Jan 25, 2019 7:25 pm 
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Joined: Mon May 19, 2008 7:01 pm
Posts: 16810
Location: Central Illinois
Year and Trim: 1992 SSE
2009 G8 GT
We have a 92 sitting out on the farm with over 400k.

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WHITE WHINE - IT'S INTOXICATING. 1992 SSE Supercharged 236.26 ci (.040 Over)
15.090 at 90.2 MPH on old engine w/ slipping trans & melted O2 sensor - Gen 3 M62 and matching TB, Gen 2 Pully, Zillamotorsports Ported LIM, YT 1.72 Roller Rockers, SII FPR & Injectors, Easy Performance Gen 3 Air/Fuel Calibrator, Hypertech Thermomaster chip w/ 160 Thermo, TransGo Shift Kit, Infinity/Pioneer Speakers and 10" Subs, 1300 watts, 140 amp Alternator, Ricepipe CAI w/ heatshield, Pilot Angel Eye Foglights, Clear Corners, '02 17" Chrome Bent 5's, Magnaflow F-Body Muffler and Hi-flo Cat, McCoy Motorsports Ceramic Coated Ported Exhaust Manifolds, Fan Override, PowerSlot Slotted Rotors.
2009 G8 GT - Sport Red Metallic, loaded, SOLO Axlebacks, Rotofab Intake, Tuned, autodim Trailblazer mirror, removed intake manifold cover, HSV GTS triple gauge pod, two tone red-hot shifter and HSV SuperSport steering wheel, GXP rear sway bar and diffuser


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PostPosted: Sat Jan 26, 2019 10:20 am 
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Joined: Sun Dec 05, 2010 6:17 pm
Posts: 5756
Location: DeKalb, IL
Year and Trim: .
92 SSE
92 Lumina Z34
99 Tahoe
03 PAU
Most of the 3800s I've had have been over 150k, the lowest was my 01 (44k when purhcased sold with 87k) and my highest was 255k on my red 96 SSEi. Next runner up was the Olds 88 at 216k, I kept that engine for racekar things... My Ultra is just about 10k shy of 200k, and I intend to double that car's mileage before it leaves my possession.

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92 Pontiac Bonneville SSE | L67/4T60E | 74K mi | Med Slate Grey w/ Two-Tone Grey Int. | Low Miles Time Capsule / Storage Occupant
92 Chevy Lumina Z34 | LQ1/4T60E | 177k mi | Torch Red w/Grey Int. | Storage Occupant
03 Buick Park Avenue Ultra | L67/4T65E-HD | 193K | White Diamond Metallic w/Shale & Cashmere Int. | Rust Free Southern Sourced Summer Daily Driver
99 Chevy Tahoe LT | L31/4L65E | 238k mi | Spiral Grey Metallic w/Grey Int. | Daily Winter Rig / Tow Pig and Portable Concert Hall
04 Cadillac Seville SLS | LD8/4T80E | 209k mi | Red Jewel Tintcoat w/Shale & Grey Int. | Nicest Beater Around
09 Chevy Malibu LT | LE5/4T45E | 205K mi | Seafoam w/Blk Int. | Fuel Miser Daily
13 Ford Explorer XLT | 3.5/6F55 | 150k mi | Kodiak Brown w/Blk Int. | Unbreakable, somehow
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PostPosted: Sat Jan 26, 2019 9:44 pm 
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Joined: Tue May 27, 2008 8:53 am
Posts: 5379
Location: Las Cruces, NM
Year and Trim: 1993 Buick Park Avenue
1994 Buick Regal Custom
If treated nice, 300k isn't irregular. As mentioned, usually either the transmission or rust kills them, or an unfortunate UIM/LIM gasket failure that goes undetected and leaves the crankshaft swimming in an ocean of coolant.

I looked at Copart, and there was literally 10 3800's near or above 300k miles, nearly all of which had crash damage, which means it was in operation at the time in order to be crashed.

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~Randall~
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1993 Buick Park Avenue - 197k - Some odds and ends done - Simply won't die
1994 Buick Regal - 78k - Bone stock - Always ready for a good kicking
1990 Oldsmobile 88 - Gone to a better place


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