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LT1 vs. LS1...looking for general information

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Old 02-10-2009, 10:02 AM
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Default LT1 vs. LS1...looking for general information

Is there a post somewhere that does a direct comparison of the LT1 vs. the LS1.

I did a search and came up short, must not of been typing in the right key words.

I know the LS1 is obviously an aluminum block. The intakes are different, heads are different. The bore and stroke are different. Pretty sure the TB's are different. Overall, I know the LS1 is way more efficient too.

What else, could someone do a direct comparison for me or show me a link.
Old 02-10-2009, 12:25 PM
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they are completely different in design too. i will list them later. there is quite a bit of differences
Old 02-10-2009, 12:34 PM
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DIFFERENCES frm GEN1/2 ENGINES

block length
block width
block deck heighth
firing order
cylinder bank offset
block design/main cap mounting
no distributor drive
rotation sensors
connecting rod
piston pin diameter
no. 3 (main) bearing crank thrust bearing location
replicated cylinder head ports
gerotor (driven off crank) oil pump
crank flange location
thermostat location-intake side of waterpump
intake inlet temp control-no coolant or hot oil touches intake
intake construction
Old 02-10-2009, 12:34 PM
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its really comparing apples to oranges
Old 02-10-2009, 12:36 PM
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Originally Posted by 3rdgentug
its really comparing apples to oranges
very true. alot of significant differences
Old 02-10-2009, 01:12 PM
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no optispark, thank Jesus
Old 02-10-2009, 01:39 PM
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Originally Posted by RedRallyeZ
no optispark, thank Jesus
nope, just the badass individual coil setup
Old 02-10-2009, 03:58 PM
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well...lol....can't stop laughing. this is great....here's the story:

Me: hey hows it going
Him: oh not bad
Me: get any water in your camaro
Him: confused look....um no why
Me: oh i seen you had t-tops on your lt1 and it was raining all day yesterday
Him: no i've never had them leak
Me: weird...(short pause)....i guess you don't have enough power to twist the chassis...(said this in an entirely joking way in front of a few guys)
Him: oh another one of your LS1 JOKES!!! you know what, they are entirely the same motor with just different intakes!!!
Me: oh really...?

I just had to walk away from that one....
Old 02-10-2009, 04:14 PM
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Originally Posted by allbaugh_04
Him: oh another one of your LS1 JOKES!!! you know what, they are entirely the same motor with just different intakes!!!

Here's one for that guy:



You did the right thing to walk away. Arguing with the utterly clueless is worthless.
Old 02-10-2009, 04:32 PM
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Yep....most people are idiots and have no clue...just like when they try and tell me my ls1 is a 350 not a 346.........etc
Old 02-10-2009, 04:34 PM
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i think he meant to put that in the 'stupidest question......' thread in the racer's lounge forum
Old 02-11-2009, 01:20 AM
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True, the LS1 is more efficient. But you wanna know the biggest difference? Compare the number of LS1 owners to LT1 owners. Everybody and their mother has an LS1.
Old 02-11-2009, 02:29 AM
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inbtl cause this isn't going to end pretty.
Old 02-11-2009, 02:50 AM
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Originally Posted by Pretyflywiteguy
inbtl cause this isn't going to end pretty.
What do you mean? LT1 people know LT1's suck for many reasons, including the Opti Fail. I mean, it's not like they're going to argue against that.
Old 02-11-2009, 07:11 AM
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he also said they are both 350s...and the same exact motor with different intakes...my bad
Old 02-11-2009, 07:19 AM
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To put it simply, the biggest difference is the lack of SUCK when it comes to an LS1. They share absolutely nothing except for having been engineered by the same company.

Edit: Not to say that there are not some very fast LT1 cars out there, but the design of the engine is inferior in every way imaginable. LS>LT.
Old 02-11-2009, 07:57 AM
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Originally Posted by deadhorse66
Edit: Not to say that there are not some very fast LT1 cars out there, but the design of the engine is inferior in every way imaginable. LS>LT.
Yes there are. There will be at least 50 of them at KCIR in May for the shootout.

Yes, the LS1 is superior in many design aspects. IT HAD BETTER BE. It was designed from a clean sheet of paper well after the LT1. If the next generation of motors was not better than the previous one, GM would/should need to fire all engineers involved. Just common sense.
Old 02-11-2009, 08:08 AM
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Originally Posted by myTreadZz
True, the LS1 is more efficient. But you wanna know the biggest difference? Compare the number of LS1 owners to LT1 owners. Everybody and their mother has an LS1.
There are actually a lot of LT1 F-body owners... but I'm talking about ones that don't post on boards nor are they really car enthusiasts. I'm talking about the LT1 F-boat you pass on your way to work or to the grocery store that is looking every bit as old as its (minimum) 12 year age. It's driven by some redneck guy or trailerpark gal who doesn't take care of it and it often looks like ***. They might be driving it because it was cheap... they really want a Camry or some POS commuter car, but got stuck with an LT1 that they don't appreciate or maintain.

But I get your point. On here, yeah, it's uh... LS1tech. At the track LS1 powered cars are like bellybuttons... everyone has one. I like being one of the few, the proud, the stubborn, the masochistic, deranged fanatics that have clean and quick LT1 cars. Yes, I have been tempted to get a GEN III powered track car. You know, go the easy route. But, I have a lot of time, sweat, cash, and even blood tied up in my muthafuggin LT1 boat so I think I'll keep the damn thing and keep on surprising people when I beat some LS1 cars who line up next to me during test and tune night.
Old 02-11-2009, 08:24 AM
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Hmmmm differences.... LT1 > 2v Mustang and LS1 >>>>>> 2v/NA-4v Mustang.
Old 02-11-2009, 04:12 PM
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Originally Posted by chadaclysm
Hmmmm differences.... LT1 > 2v Mustang and LS1 >>>>>> 2v/NA-4v Mustang.
That makes no sense.



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