On Tue, 2 Jun 2026 23:20:45 -0000 (UTC), pothead wrote:
After he unloaded the Chevette he bought a late 70's Camaro.
It was a beautiful looking car.
Alas he screwed himself once again.
The engine was a 6 cylinder.
And while at the time the 8 cylinder was no beast due to emission
controls all over the place, the 6 cylinder was a real snail.
There was nothing wrong with the straight 6, but I have a fondness for straight engines. I had a '80 Camaro with a 6 and it was sufficient to
keep me in speeding tickets. I lived in New Hampshire and at the time NH didn't give a damn what you did outside of NH.
I traded it in on a '82 Firebird to get the hatchback, another personal preference. It had the V-6 which was more of a hassle to work on. It also
had a 'feature'. The rear main seal would rotate and if the phase of the
moon was right it would leak oil on the exhaust system. It didn't lose
that much oil but I got tired of people telling me my car was on fire. It
too was enough to introduce me to a cop in Findlay, OH. 'Down By The Old
Mill Stream' was written there and he took exception to me passing through town rapidly.
Straight-6s were Very Good.
-a However you wanted a journal bearing between
-a at least every two cylinders. In the S6 heyday
-a the bearing tech was kinda poor. They didn't
-a last very long (by modern standards). Total
-a rebuilds every maybe 50,000 miles (maybe less).
-a Not COMPLICATED ... but still Worker-Hours.
-a With MODERN tech/materials we can do MUCH better.
On 6/3/2026 2:32 AM, c186282 wrote:
Straight-6s were Very Good.
-a-a However you wanted a journal bearing between
-a-a at least every two cylinders. In the S6 heyday
-a-a the bearing tech was kinda poor. They didn't
-a-a last very long (by modern standards). Total
-a-a rebuilds every maybe 50,000 miles (maybe less).
-a-a Not COMPLICATED ... but still Worker-Hours.
-a-a With MODERN tech/materials we can do MUCH better.
IIRC, the 240-Z was one of the best of sports cars using the inline 6,
based upon the 1949 Chevrolet 250 cubic inch 6.
Some interesting specs:
The Nissan S30, sold in Japan as the Nissan Fairlady Z but badged as the Datsun 240Z, 260Z, and 280Z for export, are 2-seat sports cars and 2+2
GT cars produced by Nissan from 1969 until 1978. The S30 was conceived
of by Yutaka Katayama, the President of Nissan Motor Corporation U.S.A.,
and designed by a team led by Yoshihiko Matsuo, the head of Nissan's
Sports Car Styling Studio.[1] It is the first car in Nissan's Z series
of sports cars.
The S30 had four-wheel independent suspension and a powerful straight-
six engine with an overhead camshaft, features identified with far more expensive premium European sports cars and coup|-s such as the Jaguar E- Type and BMW 2800 CS, but absent from similarly priced sports cars such
as the Alfa Romeo Spider, MGB and Opel GT, which had smaller four-
cylinder engines and rear live axles. The S30's styling, engineering, relatively low price, and impressive performance resonated with the
public, received a positive response from both buyers and the motoring press, and immediately generated long waiting lists.
A special Japan-only model Fairlady Z called the Z432 was released,
equipped with the twin cam 2.0 L inline six-cylinder "S20" engine used
in the Skyline GT-R.[6] This engine, originally designed by former
engineers of the Prince Motor Company, produced 160 PS JIS (118 kW; 158 hp).[7] The "Z432" name refers to 4 valves per cylinder, 3 Mikuni carburetors, and 2 camshafts. The model code is PS30. Approximately 420 Z432s were built.[8] Some Z432s were used by the police in Japan.
https://en.wikipedia.org/wiki/Nissan_Fairlady_Z_(S30)
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