C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

LT1/LT4 differences?

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Old Jan 4, 2005 | 09:47 PM
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Default LT1/LT4 differences?

This is probably a big time stupid noobie question, but where can I find info on the difference between these two engines, c.r., camshaft, heads, etc? Thanks in advance!
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Old Jan 4, 2005 | 09:51 PM
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Check this page out;

http://www.grandsportregistry.com/lt1vslt4.htm
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Old Jan 4, 2005 | 09:52 PM
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From: Everyday you must choose between the pain of discipline and the pain of regret. Fredericktown, OH
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There are a couple of folks who may be able turn you on to a link or provide a more complete list, but starts with these:

heads
cam
intake
compression ratio
valves

the specifics will follow, I am sure, but the net is an "under-rated" 30 more HP from the LT-4.


[edit] see you got the link before I even got done typing!
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Old Jan 4, 2005 | 09:54 PM
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If you decide on a manual car and can afford a later one, go for the '96 LT4. It's a no brainer, really. In actuality, they put out around 350 HP.
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Old Jan 4, 2005 | 09:54 PM
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After doing a little web surfing, I came up with this link, that is awesome! It even has links to flow numbers, etc at the bottom of the page http://www.malcams.com/legacy/misc/LT4.htm
I guess I should have surfed before I asked the question :o

Last edited by SeventyGTX; Jan 4, 2005 at 09:59 PM.
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Old Jan 5, 2005 | 12:45 AM
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From: St. Peters MO Sometimes you have to prove yourself by doing alot of killing or alot of dying...
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No harm no foul... if you don't ask how are you ever going to find an answer? The LT4 was a different motor all together. It had forged crank and pistons, I think the rods were stronger, higher compression, different cam profile, 1.6 rockers, better springs, better coil, higher flow heads and intake design. That is not to say that the LT1 is a bad motor... GM just liked to end the model runs with a bang... the LT4, Collector's Editions, and GS cars were that bang.

Come to think of it... did they do anything special when they ended the C5 line?
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Old Jan 5, 2005 | 05:49 AM
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Originally Posted by kwik_ta
No harm no foul... if you don't ask how are you ever going to find an answer? The LT4 was a different motor all together. It had forged crank and pistons, I think the rods were stronger, higher compression, different cam profile, 1.6 rockers, better springs, better coil, higher flow heads and intake design. That is not to say that the LT1 is a bad motor... GM just liked to end the model runs with a bang... the LT4, Collector's Editions, and GS cars were that bang.

Come to think of it... did they do anything special when they ended the C5 line?
They did the Z16 option which had a carbon fiber hood and the silver/red stripes, which were decals...not painted on. It looks pretty gool...but not as distinct as a Grand Sport, and no special engine (except for the LS6 in the Z06)
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Old Jan 5, 2005 | 09:25 AM
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From: St. Peters MO Sometimes you have to prove yourself by doing alot of killing or alot of dying...
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Cool... thanks! It is kind of a shame that the C5 run did not end in the same fashion as the C3 & C4 lines. Oh well I guess.
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