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How do they name an engine??

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Old Apr 24, 2003 | 01:56 PM
  #1  
jawzforlife's Avatar
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How do they name an engine??

Like, LS1, LT1, LS6, LB4, LO3?

And how come my thirdgen camaro's engines anrt listed by its "letter name" like the 4th gens?

If you know how they name the engines, is there a way to predict what the next engine will be called?

Is the name just the REPO code and nothing special?
Old Apr 24, 2003 | 10:28 PM
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It's just the RPO code and does not really matter.
Old Apr 24, 2003 | 10:52 PM
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All GM engines start with L, every Gen has it. Its the RPO/engine code.
Old Apr 25, 2003 | 07:43 AM
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In some cases they do pick a specific code, though... such as LT1, LS6, etc...

I'm talking the modern day ones anyway... to link them to legendary powerplants from the past.

To be honest, I think it'd be better to give them a new RPO and keep things less confusing.
Old Apr 25, 2003 | 10:57 AM
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Ya gotta admit---L69 is the best engine RPO!
Old Apr 25, 2003 | 02:25 PM
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I've always found it amusing that out of all the auto manufacturers in the world, pretty much only GM's engines are widely known by their internal designations. Cruise any car-related message board on the internet (American, European, Japanese) and everyone will know what an LS1 or LT1 is. But how many know the codes for Hondas, Fords, etc. unless they actually own one? Even the car mags throw around "LS1" like it's common knowledge.
Old Apr 27, 2003 | 10:19 PM
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Originally posted by R377
I've always found it amusing that out of all the auto manufacturers in the world, pretty much only GM's engines are widely known by their internal designations. Cruise any car-related message board on the internet (American, European, Japanese) and everyone will know what an LS1 or LT1 is. But how many know the codes for Hondas, Fords, etc. unless they actually own one? Even the car mags throw around "LS1" like it's common knowledge.
Good observation! i've thought about that myself, my gf asked me a few weeks ago what kinda engine was in her eclipse..who cares! only GM engines count anyway!
Old Apr 27, 2003 | 10:33 PM
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Originally posted by IZ28
All GM engines start with L, every Gen has it. Its the RPO/engine code.
TPI?
Old Apr 27, 2003 | 10:35 PM
  #9  
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L98 (350 TPI) and LB9. (305 TPI)
Old Apr 28, 2003 | 02:20 PM
  #10  
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Arrow

Originally posted by Darth Xed
In some cases they pick a specific code, to link them to legendary powerplants from the past.

To be honest, I think it'd be better to give them a new RPO and keep things less confusing.
I agree with the 2nd half of this quote the best, considering the mighty LQ9 (Vortec 6.0 V8) used to be the Iron Duke's code (1xTBI 2.5 L4; 90hp) back in '82

Their choice for engine RPO's seems to have no rhyme or reason except in rare cases. The H.O. 305 in '83 called L69 was named that way just because it sounded provocative. This particular one has been documented.

gt
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