LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

Lt4??

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Old Dec 15, 2006 | 04:09 PM
  #16  
96' TransAm LT1's Avatar
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im not for sure... all i know as of now is that they ordered 40 of them... so... the guy im talkin to about it said that they are the LT4 longblocks w/out intake, but are built...
Old Dec 15, 2006 | 05:25 PM
  #17  
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Originally Posted by bhop42
If the engine is coming with forged internals or a hotter cam than the stock lt4 cam it isn't coming from Gm.
Exactly

Originally Posted by bhop42
Yes the lt4 does come with a 4 bolt main and you can get a brand new lt4 minus intake from here: http://paceperformance.com/index.asp...D&ProdID=43322
Yep and it even come with the composite lt4 valve cover
The hardest parts is to find the damn intake

Last edited by always faster; Dec 15, 2006 at 05:29 PM.
Old Dec 15, 2006 | 05:27 PM
  #18  
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Originally Posted by 96' TransAm LT1
im not for sure... all i know as of now is that they ordered 40 of them... so... the guy im talkin to about it said that they are the LT4 longblocks w/out intake, but are built...
Do you got any part number,because if the engine is from GM it should normally have a GM part number
Old Dec 15, 2006 | 05:33 PM
  #19  
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I dont, no.... but i will as soon as i get all the info
Old Dec 15, 2006 | 06:11 PM
  #20  
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Originally Posted by always faster
Do you got any part number,because if the engine is from GM it should normally have a GM part number
12534776
Sure looks like a GM part number?
Old Dec 15, 2006 | 06:22 PM
  #21  
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Originally Posted by Z28SORR
Sure looks like a GM part number?
Yes i already know that.This part number is for a lt4 crate engine 330hp/340tq.I ve bought one this week

But is friend is supposed to have some lt4 long block from GM with over 400hp .Since i never saw gm produce a 400+hp lt4 long block i ask him if he got a part number for this engine.
Old Dec 15, 2006 | 06:27 PM
  #22  
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If you look at other GM Performance Parts and GM Goodwrench websites, it indicate the 125xxxxx part number has been supeceded with an 88xxxx part number. I suspect that means whateverr you are buying is a "remanufactured" engine. I searched everywhere for an LT1 4-bolt main block in 1999, and they were no longer being manufactured. A few years ago, a GM dealer in Denver (Burt Chevrolet) found a supply of OEM 4-bolt main "marine" engines, and that is the last I heard of a factory engine being available.
Old Dec 15, 2006 | 06:27 PM
  #23  
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Originally Posted by always faster
Yes i already know that.This part number is for a lt4 crate engine 330hp/340tq.I ve bought one this week

But is friend is supposed to have some lt4 long block from GM with over 400hp .Since i never saw gm produce a 400+hp lt4 long block i ask him if he got a part number for this engine.
Ah, so!!
Old Dec 16, 2006 | 02:44 AM
  #24  
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and denver it is... thats where there coming in at...
Old Dec 16, 2006 | 08:19 AM
  #25  
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if i am reading this right the cam specs on the lt4 motor is smaller then the lt4 hotcam so maybe the motor he can get is coming with a hotcam lt4.
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