highest odometer ive ever seen!
04-15-2010, 08:04 PM
#1
CF Veteran
Thread Starter
Join Date: Sep 2009
Location: louisiana
Posts: 1,152
Likes: 0
Received 2 Likes
on
2 Posts
Year: 1994
Model: Cherokee
Engine: 2.5L
highest odometer ive ever seen!
my buddy dropped off his corvette at the autobody shop today and he was given a 98 2.5 L xj with a bb and the odometer read 600000 miles. i couldnt believe it still ran lol
04-16-2010, 01:11 AM
#2
CF Veteran
Wow, they put 50,000 miles on that thing every year! The engine has probably been rebuilt/replaced at least once.
It's nice to see that somebody cares about it enough to not scrap it!
It's nice to see that somebody cares about it enough to not scrap it!
04-16-2010, 08:01 AM
#6
CF Veteran
Join Date: May 2008
Posts: 3,018
Likes: 0
Received 13 Likes
on
13 Posts
Year: 1988
Model: Cherokee
Engine: AMC242
That thing hasn't necessarily been overhauled or replaced - bear in mind the 150ci I4 is a direct descendant of the AMC Modern Era six (although Chrysler definitely changed the casting alloy around 1991.)
How tough? When my 1987 XJ w/242ci blew its oil pump, it decided to do so in grand fashion. Immediate and total failure at 80mph. Blew the #6 rod out through the pax side skirt (or tried to, at least.) I found the bit of skirt later - when it finally broke the rest of the way off of the block.
Spun 11/13 bearings on the crank, collapsed nine lifters. At 280Kmiles. Bent no pushrods!
Did the overhaul in situ, but I was ready to pull the thing. Peeled the head off, it was still flat. Replaced the crank and #6 rod - didn't need to do anything with the piston. Used JB Weld to stick the chunk of skirt back in (blew a section about half again the size of the palm of my hand - which is already 4"x4"!) Replaced all 12 lifters - cam lobes were still fine! Timing hadn't stretched, and I was in a hurry.
There was - are you ready for this? - .0005" of top cylinder ridge in each cylinder (.001" in total!) Cleaned that out with coarse stones, and put a new cross-hatch on with fine.
Put it all back together, and put another 80Kmiles on it before I lost 3/4 bellhousing screws, the fourth backed out a good half-inch, and the first planetary set in the transmission (AW4) froze in the case.
Built a new one, installed it, and put probably another 50-60Kmiles on it before I lost vacuum (probably because I didn't even do a re-ring - just honed the cylinders and dropped the slugs back in.)
I'm willing to bet that, if I'd done a proper re-ring, I'd still be driving it (and it would be somewhere well north of 600K on the clock by now.)
The trick? AMC used the same high-nickel alloy (apparently - haven't been able to confirm this) that MOPAR used on the second-gen Hemi blocks & heads. About 5% nickel, which makes the alloy incredibly tough! I didn't break a piece off and have an assay done, but the mechanical properties of it seem to support that conclusion, I'd figured it for 4-5% nickel (based on mechanical properties alone.)
I've seen several European cars (mainly German, some Swedish) with "Million Mile Plaques" - indicating 1,000,000 original miles without an overhaul or replacement of a major powertrain component (engine, transmission, axle, ...) or major body work. It's just as much a safety award as an engineering award, in individual cases.
The only American vehicle I've seen with a MMP was an AMC...
How tough? When my 1987 XJ w/242ci blew its oil pump, it decided to do so in grand fashion. Immediate and total failure at 80mph. Blew the #6 rod out through the pax side skirt (or tried to, at least.) I found the bit of skirt later - when it finally broke the rest of the way off of the block.
Spun 11/13 bearings on the crank, collapsed nine lifters. At 280Kmiles. Bent no pushrods!
Did the overhaul in situ, but I was ready to pull the thing. Peeled the head off, it was still flat. Replaced the crank and #6 rod - didn't need to do anything with the piston. Used JB Weld to stick the chunk of skirt back in (blew a section about half again the size of the palm of my hand - which is already 4"x4"!) Replaced all 12 lifters - cam lobes were still fine! Timing hadn't stretched, and I was in a hurry.
There was - are you ready for this? - .0005" of top cylinder ridge in each cylinder (.001" in total!) Cleaned that out with coarse stones, and put a new cross-hatch on with fine.
Put it all back together, and put another 80Kmiles on it before I lost 3/4 bellhousing screws, the fourth backed out a good half-inch, and the first planetary set in the transmission (AW4) froze in the case.
Built a new one, installed it, and put probably another 50-60Kmiles on it before I lost vacuum (probably because I didn't even do a re-ring - just honed the cylinders and dropped the slugs back in.)
I'm willing to bet that, if I'd done a proper re-ring, I'd still be driving it (and it would be somewhere well north of 600K on the clock by now.)
The trick? AMC used the same high-nickel alloy (apparently - haven't been able to confirm this) that MOPAR used on the second-gen Hemi blocks & heads. About 5% nickel, which makes the alloy incredibly tough! I didn't break a piece off and have an assay done, but the mechanical properties of it seem to support that conclusion, I'd figured it for 4-5% nickel (based on mechanical properties alone.)
I've seen several European cars (mainly German, some Swedish) with "Million Mile Plaques" - indicating 1,000,000 original miles without an overhaul or replacement of a major powertrain component (engine, transmission, axle, ...) or major body work. It's just as much a safety award as an engineering award, in individual cases.
The only American vehicle I've seen with a MMP was an AMC...
04-16-2010, 09:41 AM
#7
Member
Join Date: Feb 2010
Location: spearfish, SD
Posts: 184
Likes: 0
Received 0 Likes
on
0 Posts
Year: 74
Model: Wagoneer
Engine: 318
saw an 89 ford econoline and a (i think) 93-94 or so econoline do it.
and a chevy truck after like 2 engine jobs and three tranny jobs and two new axles do it.
but yeah the amc and mopar blocks are tough as s*t. mine has been ragged on since 74 and still fires up just fine.
and a chevy truck after like 2 engine jobs and three tranny jobs and two new axles do it.
but yeah the amc and mopar blocks are tough as s*t. mine has been ragged on since 74 and still fires up just fine.
Trending Topics
04-16-2010, 02:18 PM
#8
CF Veteran
Join Date: May 2008
Posts: 3,018
Likes: 0
Received 13 Likes
on
13 Posts
Year: 1988
Model: Cherokee
Engine: AMC242
saw an 89 ford econoline and a (i think) 93-94 or so econoline do it.
and a chevy truck after like 2 engine jobs and three tranny jobs and two new axles do it.
but yeah the amc and mopar blocks are tough as s*t. mine has been ragged on since 74 and still fires up just fine.
and a chevy truck after like 2 engine jobs and three tranny jobs and two new axles do it.
but yeah the amc and mopar blocks are tough as s*t. mine has been ragged on since 74 and still fires up just fine.
04-16-2010, 03:45 PM
#10
Junior Member
Join Date: Apr 2010
Location: Ohio
Posts: 36
Likes: 0
Received 0 Likes
on
0 Posts
Model: Cherokee
Engine: 4.0
Wow, thats nuts on a 4cyl! the highest I have saw was 450k and that was on 98 Dodge ram 2500 with a cummins....he said the tranny was rebuilt twice though. I know those cummins will run forever, my Dad has a 03 2500 with a cummins, and that thing will pull a damn house lol
