LT1-LT4 Modifications 1993-97 Gen II Small Block V8

LT1 hate or just stupidity?

Old Dec 11, 2011 | 03:12 PM
  #41  
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Originally Posted by BLK95-Z
The marine LT1 came with a Northstar DIS ignition. It had 4 coils on the front of the engine running off a reluctor wheel simillar to the ls1.

The LT1 was actually a really good maine engine with all the torque it made down low.
Why couldn't they run that system in the cars? Just wondering?
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Old Dec 11, 2011 | 03:34 PM
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Originally Posted by Catmaigne
Call me when I can get a complete LS series longblock for $200.
I know several people who have gotten 5.3s and 4.8s for that price, added rodbolts and head studs and a cheap turbo and made over 500 at the wheels
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Old Dec 11, 2011 | 03:52 PM
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Originally Posted by Catmaigne
Call me when I can get a complete LS series longblock for $200.
A buddy gave me a 5.3 out of an 06 avalanche and I was gonna swap but after I found out what all was involved and costs just to sit it in there stock, much less modded I may just continue with my 383 LT1 plans. Plus I like being the odd guy in town lol
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Old Dec 11, 2011 | 03:54 PM
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Originally Posted by transbird95
Why couldn't they run that system in the cars? Just wondering?
You could I guess. From what Ive heard Indmar figured out early that the optispark was going to be a reliability problem in marine use so they switched. I think around the same time the delteq ignition system came out for LT1s and was pretty similar.

Originally Posted by Blk98Vert
I know several people who have gotten 5.3s and 4.8s for that price, added rodbolts and head studs and a cheap turbo and made over 500 at the wheels
I paid $125 for a complete running LT1 out of a caprice. I used the block and crank in my 95 and sold the rest for $100
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Old Dec 11, 2011 | 04:21 PM
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Originally Posted by Blk98Vert
I know several people who have gotten 5.3s and 4.8s for that price, added rodbolts and head studs and a cheap turbo and made over 500 at the wheels
Where do you find these people... When I was LQ4 shopping the cheapest thing I could find was $600 for the shortblock only.
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Old Dec 11, 2011 | 04:36 PM
  #46  
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Awww, c'mon man, quit talking about those ugly azz motors. LT engines FTW.

LSx engines are made from recycled Old Milwaukee and Pabst beer cans
LTx engines are American Iron. It's a no brainer.
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Old Dec 11, 2011 | 06:21 PM
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Originally Posted by Catmaigne
Where do you find these people... When I was LQ4 shopping the cheapest thing I could find was $600 for the shortblock only.


In so cal they are everywhere so they are cheap. Complete pullouts with a trans, computer, pcm and harness are about 600 complete intake to oil pan. Swap the truck intake for a stock LS1 and modify the pan and you are pretty much good to go

Originally Posted by BLK95-Z
You could I guess. From what Ive heard Indmar figured out early that the optispark was going to be a reliability problem in marine use so they switched. I think around the same time the delteq ignition system came out for LT1s and was pretty similar.



I paid $125 for a complete running LT1 out of a caprice. I used the block and crank in my 95 and sold the rest for $100
I know they are cheap, I'm not saying they aren't im just tired of people saying they won't swap one in because they are too expensive when clearly they arent if you do it right.
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Old Dec 11, 2011 | 06:53 PM
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do you guys think you need an LS based engine to make 500 at the wheels with a turbo setup?
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Old Dec 11, 2011 | 07:23 PM
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No but mods on a ls gain alot more than a lt. If money was given to you to buy a motor would you buy a ls or a lt?
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Old Dec 11, 2011 | 07:33 PM
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That's because LS heads flow more from the get-go, but when it comes to a budget build I'd go LT all the way. Slap a turbo on that $125 B-body LT1 and don't look back.
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Old Dec 11, 2011 | 07:41 PM
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Originally Posted by 02ws.sik
No but mods on a ls gain alot more than a lt. If money was given to you to buy a motor would you buy a ls or a lt?
if the car already had an LT1 i would probably stick with it, honestly. why change all that stuff in the car so you can swap to an LS and pick up 30-40rwhp? you can go 9's with a heads/cam LT1 with a 150 shot in a 3100 lb car. when it comes time to freshen it up, the LT1 will be cheaper than the LS.
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Old Dec 11, 2011 | 07:53 PM
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Originally Posted by 02ws.sik
No but mods on a ls gain alot more than a lt. If money was given to you to buy a motor would you buy a ls or a lt?
Can you give me an example of that?
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Old Dec 11, 2011 | 08:13 PM
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Has any lt cars got 400 rwhp with lt's, baby cam, and tune? What does a lt run stock? Mine ran 12.9 stock.
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Old Dec 11, 2011 | 08:33 PM
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You're comparing apples to oranges. Like I said before, the stock LS1 heads flow much better than stock LT1 heads, especially when it comes to exhaust.

http://carprogrammer.com/Z28/Cylinde..._head_flow.htm

Given a leveler like ported LE's, a M6 car will have no problem producing around 400 with a baby LT4 Hotcam.
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Old Dec 11, 2011 | 08:42 PM
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Im talking about a a4.
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Old Dec 11, 2011 | 08:45 PM
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Originally Posted by 02ws.sik
Has any lt cars got 400 rwhp with lt's, baby cam, and tune? What does a lt run stock? Mine ran 12.9 stock.
been in a stock LT1 that went a 13.4x. my stock LS1 car went 13.29@105 and thats about all it had in it. went 8.59 to the 1/8 and had a 1.9x 60' on suckahomo's. both these cars are m6s.
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Old Dec 11, 2011 | 08:53 PM
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Ha i was on suckahomo's too. Mine were bald though i will take a pic tommorow of how much tread they had left.
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Old Dec 11, 2011 | 08:56 PM
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Originally Posted by vtec
if the car already had an LT1 i would probably stick with it, honestly. why change all that stuff in the car so you can swap to an LS and pick up 30-40rwhp? you can go 9's with a heads/cam LT1 with a 150 shot in a 3100 lb car. when it comes time to freshen it up, the LT1 will be cheaper than the LS.
2nd that, however I am interested in doin the efi connection swap.
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Old Dec 11, 2011 | 09:04 PM
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Originally Posted by 02ws.sik
Ha i was on suckahomo's too. Mine were bald though i will take a pic tommorow of how much tread they had left.
my LT1 car had suckahomo's with a 1/2" strip of cord showing in the centers.... went 8.19 with a 1.94 60' on those. 230/236 cam, self ported heads, mailorder tune. all stock suspension aside from eibach pro springs and slp takeoff shocks. 93 m6 car with 3.42 gear.
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Old Dec 11, 2011 | 09:17 PM
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Originally Posted by 02ws.sik
Has any lt cars got 400 rwhp with lt's, baby cam, and tune? What does a lt run stock? Mine ran 12.9 stock.
dont wanna turn this into another lt1 vs ls1 debate, but your point is irelevant. Dont change the subject, a "baby cam" in two completely different engines is also irrelevant. Im talking about gains, not a specific 1/4 mile time.
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