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Old May 22, 2004 | 08:30 PM
  #1  
seabass2004's Avatar
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LS1 questions

Are all the LS1s all aluminum or just the heads? and what transmission's are in the 6 speeds? Borgwerner or tremec?
Old May 22, 2004 | 09:29 PM
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The 6 spd. transmissions are Tremecs.

I know the heads are aluminum, but I can't remember what the rest of the engine is made of.
Old May 22, 2004 | 09:41 PM
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FBody and Vette blocks are all aluminum...the truck motors are iron...
Old May 22, 2004 | 11:07 PM
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Originally posted by SFB767
The 6 spd. transmissions are Tremecs.

I know the heads are aluminum, but I can't remember what the rest of the engine is made of.
Not all of them are tremecs mine isnt
Old May 22, 2004 | 11:18 PM
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When did Tremac buy Borg Warner? 1999?
Old May 23, 2004 | 12:08 AM
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Originally posted by NBS4
When did Tremac buy Borg Warner? 1999?
I think so...

'98s had the BW and '99-'02s had a Tremec (95% sure).
Old May 23, 2004 | 01:39 AM
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D James's Avatar
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which one is stronger tremic or BW
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