Talk:GM Ecotec engine

message: The article implies that the LSY is a development of the LTG, I don't think that's the case.  They have the same capacity, but the LSY is a longstoke engine and the LTG is square.
I believe the LTG was developed by Opel from the Family II engine, whereas the LSY is in fact derived from the smaller Family I engine (or something else ?), and then stroked out.
Opel developed the Family engines in the early 1980s, derived in part from the design work on the CIH Opel engine and the Duratech engine used in the Vega.
The Family II was the big bore engine and the Family I the small bore.  The both had cast iron blocks and timing belts tensioned by a rubber block on the water pump.
Later in the 1980s, the Family 0 was developed with an even smaller bore engine with a timing chain.
In the 1990s, the engines were redesigned :
- The Family I had a thin wall cast iron block, and a timing belt tensioned with a sprocket rather than a block.
- The Family II had an aluminium block with cast iron liners and a timing chain.
- The Australian engine, designated Family II, continued with a cast iron block and a belt tensioned by a rubber block, but had a new 16 valve cylinder head.  This was used on the Daewoo Winstorm (Captiva) and Nubira.
GM currently produces two 3/4 cyilnder engine ranges afaik, the Family I capacity engines with timing belts and electroplated bores (1.0T 3, 1.2T 3, 1.5T 4), and the Family II engines with cast iron liners (2.0T), both with aluminium blocks.(The 1.5T four in the Baojun is a derivation of the Suzuki Geo Metro engine).60.231.232.112 (talk) 02:38, 28 August 2020 (UTC)
thread_title:  LTG and LSY

message: Can someone move the model information into tables.  One engine has been done, but the rest require tables.  —Preceding unsigned comment added by Sydbot (talk • contribs) 19:57, 5 September 2007 (UTC)
thread_title: Tables

message: Who uses this thing in hot rods? While GM says that the ECOTEC is the new small block of the tuner generation, who's actually made a "hot rod" with this thing? I think associating "hot rod," a term used for highly modified vehicles which generally use American V8 engines, with the ECOTEC is both unfounded and untrue. kevinthenerd 18:17, 23 September 2007 (UTC)
replies: text: Sir, this family of engine has been used in sever drag racing cars making over 1,000 hp. 99.24.136.248 (talk) 04:41, 9 March 2023 (UTC)
thread_title: Hot Rods

message: A bore of 86 mm and a stroke of 88 mm for a four cylinder engine does not result in a 2.0 L displacement. Kevinthenerd 18:23, 23 September 2007 (UTC)
thread_title: L34

message: What V6 engines are doing in an article for an inline-4 engine - just because they once bore the same Ecotec nameplate? Move them to GM High Feature engine or any other relevant article!  —Preceding unsigned comment added by 85.140.239.120 (talk) 07:58, 22 January 2009 (UTC)
thread_title:  V6 engines 

message: Most info says the ratio is 10:1. One says 9.5 or 10:1. If 10:1 is 'higher', then the 9.5:1 is normal? AMCKen (talk) 20:08, 25 June 2010 (UTC)
thread_title: L61 compression

message: The LE5 should be the same as the LE9 since they have the same bore/stroke.
The LAP and LE8 should be 2198cc (134.1cuin), not 2189 as that's what 86x94.6 gives. AMCKen (talk) 04:25, 28 November 2010 (UTC)
thread_title: Displacement

message: Is there any interest in splitting the Ecotec engines into their own article, leaving the original Opel Family II engines here? --Vossanova o< 15:28, 6 January 2011 (UTC)
thread_title:  Split Ecotec 

message: I, propose that the SOHC GM 122 engines be merged with the 1990's section of this article.VX1NG (talk) 16:48, 16 March 2013 (UTC)
thread_title:  Merger proposal 

message: I don't have any information on GM 122 engine and how it is related to Family II. However, I feel that this article has always been US-centric - in fact, in the beginning it was named  until I renamed it some 7 years ago - and mostly contained the description of all-aluminum global versions launched in 2000s in the US to replace all earlier North American inline-4 designs. 
Rather than merging, I would rather suggest to split this article into two separate entries. 
The current one should be named "GM Family II engine (Ecotec)", "GM Family II engine (L850)", "GM Family II engine (2000s)", etc., or maybe even left as it is. The article should primarily address the 
all-aluminum Ecotec generation that started in 2000s, just as it does now.
The new one should be named "GM Family II engine (1978-1999)", GM Family II engine (1980s-1990s)", "GM Family II engine (pre-2000s)", "", etc. This should contain historical  pre-Ecotec versions that are currently listed in "1990s" section and should merge information from the various orphaned "x20xxx" articles (such as 20NE, 20SE, 20SEH, C20NE, C20XE, C20LET, and X20XEV.) If you feel that GM 122 OHV engine belongs there, then merge it too.
Then of course there's an issue with older Australian and Korean D-TECs, as well as Brazilian Family II engines, but these can be given separate articles or subsections, since they probably belong to original 1980s cast iron design and not the newer all-aluminum global Ecotec. --Dmitry (talk•contibs) 14:59, 17 March 2013 (UTC)
thread_title: Split proposal

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thread_title:  External links modified 

message: The information box for the third generation Chevrolet Traverse had the engine link here, but there is no section for the LK0. I eventually found it in the L3B page and updated the information box, but I wasn't sure if it was supposed to be here and no one has done it yet?
MCPro1239953 (talk) 18:50, 29 April 2024 (UTC)
thread_title:  2.5L LK0