Talk:Chevrolet Stovebolt engine

Name?

Why was the Chevrolet Straight-6 ingine called Stovebolts? David — Preceding unsigned comment added by 75.206.191.165 (talk • contribs) 15:30, 18 August 2007 (UTC)

It was called a "stovebolt six" because it was held together with stove bolts, which is to say 1/4"-20 machine screws such as were universally used in wood and coal burning stoves of the era. This had the overwhelming advantage that if you lost or broke a bolt in your engine, you could take a bolt out of your stove and use it instead. You don't often see that kind of component standardization in more modern engines.RockyMtnGuy (talk) 00:55, 27 December 2015 (UTC)

Although they may have shared a thread size with common stove bolts, it would have been a mistake to use them as a replacement in your engine as the factory bolts were a higher grade steel than a typical stove bolt. The phrase was originally a derogatory term only later adopted as a affectionate one. Nyth63 11:38, 28 December 2015 (UTC)

Such is true, although during the Depression people did what they could afford. Often the alternative was taking the engine out completely and replacing it with a horse, known in Canada as the Bennett buggy and in the US as the Hoover cart. My late father once strapped together a broken connecting rod in his Model T engine with his leather belt. It held together long enough to get him home.RockyMtnGuy (talk) 17:59, 30 December 2015 (UTC)

Rochester carburetor

Which of these engines were fitted with a Rochester carburetor? See Rochester Products Division where there is little early history. Rupertlt --Rupertlt (talk) 01:08, 25 February 2011 (UTC)

Oldsmobile's flathead straight six in Chevy and GMC trucks

In the Oldsmobile's flathead straight six in Chevy and GMC trucks section, an IP editor put the following comment:

(an edit) It is my understanding that they used an Oldsmobile engine in 1937 and a Pontiac Engine in 1938.

It doesn't read very well on the main page, so I shifted it here.  Stepho  (talk) 01:44, 26 April 2011 (UTC)

More Spartans?

I don't have it in front of me, but there's a GM "75 Years" history which mentions a 400ci inline 6 available in 7 ton commercials, too. TREKphiler ^{any time you're ready, Uhura} 22:32, 1 May 2011 (UTC)

Picture

I uploaded these pictures of a blue flame in-line 6 on a 1953 Corvette convertible. Can someone verify if it is genuine?

• 
  Blue Flame Inline 6 Engine on a 1953 Corvette
• 
  The other side of it.

Kowloonese (talk) 07:32, 5 August 2012 (UTC)

Not expert, but the Blue Flame valve cover looks gennie. The 3-pot setup isn't stock, AFAIK, tho it might be 'vette-spec. Those chrome hats I would doubt are stock, either; again, maybe 'vette-spec. Might want to post the question at the Project page to get more eyes on it. TREKphiler ^{any time you're ready, Uhura} 20:20, 5 August 2012 (UTC)

Corvette Blue flame engines used three side draft carbs.

Calling Will Smith

I don't see any mention of the straight 6 in the '59-up Bel Air. My dad owned one for years... TREKphiler ^{any time you're ready, Uhura} 03:18, 18 May 2013 (UTC)

Other GMC Sizes

I have also seen mention of a 360 (4.125 x 4.5) and a 477 (4.5 x 5) from the late 30s - early 40s. They might have been sourced from Continental. Also a 707 (5 x 6) from the 30s that I thought would have been from Mack, but others have said not. Thanks. AMCKen (talk) 23:12, 11 January 2016 (UTC)

GMC straight-6 engine

I think the GMC should be split into its own article: GMC straight-6 engine -JonathanDP81 (talk | contribs) 23:27, 11 May 2016 (UTC)

No reasons given, section is not very big. Article size does not suggest the need for a split. No discussion in 2 years, declining. · · · Peter (Southwood) ^(talk): 12:40, 29 March 2018 (UTC)

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Buick V6

In the section on the 250 six it is stated that the 231 3.6 L and the 4.2 L Buick V6 engines that replaced the 250 straight 6 were a version of the Chevrolet small block V8 minus 2 cylinders. This is in error. The Buick engine was designed on the model of the Buick 215 V8, minus 2 cylinders. This allowed the Buick V8 and V6 to be built on the same machine tools. The first version of the Buick engine was 198 CI and it was enlarged to 231 CI (3.6L) in 1975 when it was returned to production after the design and tooling was bought back from AMC who got in the purchase of Jeep who produced the engine from 1967 till 1971. Rover ended up producing the V8 version of this engine for 30+ years after they bought it from Buick. Corumplex (talk) 03:22, 28 June 2019 (UTC)

There are two entirely different engine types -- Old engine last produced for 1962 model year

The original Chevrolet 6 went through several redesigns. The 1937 four-main-bearing, 600+ lb design survived mostly unchanged until its last model year, 1962. The "new" six was based on the SBC V8 and shared its lightweight casting, combustion chamger/head/port design, and many parts with the V8 engines, as well as a four-cylinder, and they had 7 main bearings. The 230 cid, 250 cid, and 292 cid engines.

Even the early engine had major redesigns. The early engines were 216.5 cid with splash lubrication, babbit poured main bearings, splash lubrication, mechanical valve lifters, and cast-iron pistons. A 235 cid version appeared about 1940 for some Chevrolet trucks; this engine has three more head bolts than the 216.5 cid version. The 1949 model year saw the 235 cid engine appear for the Powerglide passenger cars. Model year 1954 saw a complete redesign, with pressure lubrication, aluminum pistons, and hydraulic valve lifters for most models, and the appearance of a 261 cid version for U.S. trucks and a hydraulic lifter version as the standard engine in Canadian Pontiacs.

The New Chevrolet 4 and 6 first appeared in the late 1950's, with the inline 4 powering the early Chevy II, and the 230 cid avilable in Chevy II, Chevelle, Chevrolet cars and pickups. The 252 cid version appeared soon thereafter, and the 292 cid became a truck option. Other GM cars and trucks used these engines; the 230 cid Pontiac Sprint SOHC inline 6 engine shared many parts with the OHV 230 cid inline six. Other applications, in South America in particular, are mentioned in the article as it appears in June 2020.

These two engine designs are so different that they should never be merged in a list of GM engines.-- motorfingers : Talk 19:22, 14 June 2020 (UTC)

I agree, this article is written in a very confusing way that groups together several series of six-cylinder engines that were completely unrelated to each other. Not only is there the confusion between the original "Stovebolt" six, the redesigned four-main-bearing engine introduced in '37 and the completely and utterly unrelated "third generation" produced from '62 onward, there's also the GMC offshoots of the "second generation" engine, a subsection on the Atlas 4.2 L used in the TrailBlazer/Envoy/Bravada/etc in the early 2000s, and the relatively new "Duramax I6" too?! I can find no source that calls the '62-'88 engines "the third generation Chevrolet straight-six", and mentioning the other unrelated engines just muddies the waters.

I'm going to split these into a couple different articles. CplDHicks2 (talk) 01:16, 29 December 2021 (UTC)