New "LT" engine series announced to replace the LS series

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Oct 24, 2012 | 04:38 PM

superdave84

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New "LT" engine series announced to replace the LS series

Not sure why they couldn't come up with a name other than LT1 for it. Even the LS names are from the 70's. http://www.corvetteonline.com/news/b...-block-reveal/

Oct 24, 2012 | 04:45 PM

Mike@Diablosport

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Looks like a less 'turbo friendly' manifold...at least its not cast to the head

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Oct 24, 2012 | 04:48 PM

superdave84

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I also heard that it is far more difficult to crack the computer codes, so I don't know how well this will work for swaps....when it becomes affordable I mean.

Oct 24, 2012 | 04:50 PM

eroc022

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Quote:

Originally Posted by superdave84

I also heard that it is far more difficult to crack the computer codes, so I don't know how well this will work for swaps....when it becomes affordable I mean.

Just means you will be paying gm for their swap package if/when it is released...

Oct 24, 2012 | 05:09 PM

Pop N Wood

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The direct injection is what will suck for hot rodding.

I guess we will learn to adapt and overcome.

Oct 24, 2012 | 06:44 PM

brewster240

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direct injection will be awesome for hot rodding.

Oct 24, 2012 | 07:12 PM

oange ss

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interesting, I'm guessing the added mount pad on the drivers side lower front o0f the block is the new fuel pump location ?

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Oct 24, 2012 | 07:27 PM

oange ss

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It's for something else, the fuel pump eccentric on the cam is at the rear, so where will the fuel pump mount ?

Oct 24, 2012 | 09:27 PM

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Che70velle

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That triangular lobe drives the high pressure fuel pump, so it must sit on the engine. I wonder if there will be a secondary in tank pump. Check out the perimeter bolt valve covers. It "appears" as though the heads might interchange. The splayed valve technology is pretty trick...I can't believe they are calling it an lt-1!

Oct 24, 2012 | 09:34 PM

#11

LS1 TJ

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Ok I'm game for the first swap thread.

What is it really?

Oct 24, 2012 | 09:54 PM

#12

zamora7

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From: Eeerrrwhere south, tx

There will be an in tank pump as well then the cam will drive the high pressure pump for the direct injection.

Oct 24, 2012 | 10:12 PM

#13

ls1nova71

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Well I guess they put more time into developing it than they did in choosing a name.

The third LT1? Or is it going to be LT1 the 3rd???

Oct 24, 2012 | 10:12 PM

#14

nomoneyz

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This new engine is going to be great. Why is everyone but hurt about the lt1 name? The ls series was used already but nobody complains About that.

Oct 24, 2012 | 10:15 PM

#15

ls1nova71

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Quote:

Originally Posted by superdave84

hmmm, didn't see that at first. Very old school if correct

Actually on second look....could it be to hold bracketry for a PS pump? I don't see a pulley for it on the engine

Most liklely will have electric power steering, so there won't be a place for a pump.

Oct 24, 2012 | 10:41 PM

#16

superdave84

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Quote:

Originally Posted by nomoneyz

This new engine is going to be great. Why is everyone but hurt about the lt1 name? The ls series was used already but nobody complains About that.

because it's confusing and unnesessary. It's not hard to come up with something that hasn't been used already. SR Series. JQ Series. XA Series. See? Easy.

In 3 years when some of these things are out on the market, I don't want to have to dig through 400 Craigslist postings to find the "correct" LT1

Oct 24, 2012 | 11:17 PM

#17

71403

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Quote:

Originally Posted by Pop N Wood

I guess we will learn to adapt and overcome.

Yeah, I have faith Holley or Edelbrock will find a way to stick a fuel leaker and rotary spark gap unit on it.

Oct 24, 2012 | 11:26 PM

#18

Hal StClair

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The high pressure pump sits in the valley under the intake and feeds the new inboard fuel rails. Seems they should have pulled a lot more than 450tq/450hp out of it though. Its an all new design with virtually no carry over parts. I can't see only 14hp extra with DI and all the new tech involved. Looks like a huge waste of money for the minor improvement in power.

Oct 24, 2012 | 11:29 PM

#19

brewster240

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Quote:

Originally Posted by superdave84

I also heard that it is far more difficult to crack the computer codes, so I don't know how well this will work for swaps....when it becomes affordable I mean.

cant be as difficult as bmw, and there no shortage of people tuning them.

Quote:

Originally Posted by oange ss

interesting, I'm guessing the added mount pad on the drivers side lower front o0f the block is the new fuel pump location ?

Quote:

Originally Posted by superdave84

hmmm, didn't see that at first. Very old school if correct

Actually on second look....could it be to hold bracketry for a PS pump? I don't see a pulley for it on the engine

Quote:

Originally Posted by oange ss

It's for something else, the fuel pump eccentric on the cam is at the rear, so where will the fuel pump mount ?

Quote:

Originally Posted by Che70velle

in this picture, follow the hard lines from the fuel rail towards the back of the valley. look at that, high pressure pump right above the lobe that actuates it.
yes, there is a in tank low pressure pump to deliver fuel to the high pressure pump.