[Shop-talk] Dead battery question

[Jack Brooks]

Old Dirtbeard wrote:
I had a Triumph TR6 that the shop manual called for replacing the crankshaft main bearings at 50K miles as routine maintenance.

As shocking as that sounds for routine maintenance, you actually could change the main bearings in that car just by dropping the oil pan, releasing the main bearing bolts. removing the caps, and pushing out the old shells with the new shells. It really only took a couple hours to do it.

I’ve done this on my TR3 when I bought it.  It had a slight big end knock.  Amazingly easy, except for the top half of #4 which takes a little extra effort.

Jack

From: Shop-talk <shop-talk-bounces at autox.team.net> On Behalf Of old dirtbeard
Sent: Monday, January 2, 2023 3:43 PM
To: Jim Juhas <james.f.juhas at snet.net>
Cc: shop-talk at autox.team.net
Subject: Re: [Shop-talk] Dead battery question

Agreed, as well. I can tell the difference between an MG TC, TD, TF, or a Triumph TR2, TR3, TR4, etc. from across the street.

Nowadays, I cannot even tell the difference between a Kia and a BMW, sad to say...

But, yes, the spark plugs on new cars last 100K miles, there is not a grease zerk to be found. Exhaust systems, starters, alternators, water pumps also generally are good for 100K miles.

These all were routine maintenance items in the past. No points, timing or carburetors to adjust on the new cars...

That much said, changing the spark plugs on a MG TF is a great deal easier than changing the sparkplugs on a coil over spark plug on a turbo 4.

A friend of mine just accidentally dropped a spark into the engine bay of his 2019 C7 Corvette and it did not come out the bottom, but it had a pronounced harmonic rattle at about 2,500 RPM that was driving him crazy.

We had to put it on my lift and use a borescope for about 45 minutes to locate the spark plug (it had wedged in the collector of the exhaust headers),and then another 15 minutes to fabricate an "extractor" out of welding rod and fish it out.

I had a Triumph TR6 that the shop manual called for replacing the crankshaft main bearings at 50K miles as routine maintenance.

As shocking as that sounds for routine maintenance, you actually could change the main bearings in that car just by dropping the oil pan, releasing the main bearing bolts. removing the caps, and pushing out the old shells with the new shells. It really only took a couple hours to do it.

It took longer to adjust the valves on the DOHC shimmed engine of a Fiat 124 Spyder that I had. :-)

The mechanical tolerances on the new cars are so much tighter and many of the materials are superior as well. Of course much of these improved tolerances and reduced maintenance is an artifact of the emission standards that went into place 30 years ago and have been increasing (e.g., the exhaust and induction systems have to last a set number of years and a set number of miles)

Yes, definitely more maintenance is required for the older vehicles, but also it generally is much easier/quicker maintenance. And I would also say, more enjoyable...  :-)

best,

doug


On Mon, Jan 2, 2023 at 2:56 PM Jim Juhas <james.f.juhas at snet.net<mailto:james.f.juhas at snet.net>> wrote:
Wholeheartedly Agreed!!!!!!
On 1/2/2023 3:04 PM, Berry Kercheval wrote:
Maybe mechanically, but not in style, panache or élan.  (IMHO)

On Mon, Jan 2, 2023 at 10:13 AM David Scheidt <dmscheidt at gmail.com<mailto:dmscheidt at gmail.com>> wrote:

Modern vehicles are better in every way than old ones.


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Best,

Doug
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