the 98 LS1..iron or aluminum
Registered User
Joined: Nov 2001
Posts: 93
From: Livonia, MI
The Gen III engine, which the LS1 is based off does have
cast iron versions, but they are the truck engines.
RPO's - LQ9, LM7, LM4 etc.
I also thought there was an iron headed LT1 that was
used in the Impala.
cast iron versions, but they are the truck engines.
RPO's - LQ9, LM7, LM4 etc.
I also thought there was an iron headed LT1 that was
used in the Impala.
Moderator
Joined: May 1999
Posts: 2,881
From: Chelsea, MI
Originally posted by Zdriven
The Gen III engine, which the LS1 is based off does have
cast iron versions, but they are the truck engines.
RPO's - LQ9, LM7, LM4 etc.
I also thought there was an iron headed LT1 that was
used in the Impala.
The Gen III engine, which the LS1 is based off does have
cast iron versions, but they are the truck engines.
RPO's - LQ9, LM7, LM4 etc.
I also thought there was an iron headed LT1 that was
used in the Impala.
Registered User
Joined: Jan 2003
Posts: 1,104
From: springfield, IL
Originally posted by 00LukeyWS6
Yes, the heads are also aluminium LS1 = aluminium block and heads and composite intake manifold with exhaust manifolds that almost match aftermarket shorties in performance
Yes, the heads are also aluminium LS1 = aluminium block and heads and composite intake manifold with exhaust manifolds that almost match aftermarket shorties in performance
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