LS1 Question
Melting Slicks
Joined: Aug 2003
Posts: 2,786
Likes: 7
From: Iowa
all are great and strong engines. 2001 and newer had several revisions which added horsepower and torque;
LS6 block (pretty sure)
ls6 oil pump (pretty sure)
different cam,
LS6 intake,
different heads (maybe)
revised exhaust manifolds
etc were all added to the LS1 in 2001.
LS6 block (pretty sure)
ls6 oil pump (pretty sure)
different cam,
LS6 intake,
different heads (maybe)
revised exhaust manifolds
etc were all added to the LS1 in 2001.
Team Owner
Joined: Mar 1999
Posts: 22,025
Likes: 192
From: At the beach in little Rhody
In March 2001, the coated pistons were introduced. These made it into some 01's but definitely 02. In the second week of production for the LS1 in 02, and all LS6's in 02, the motor's got updated rings with higher tension to alleviate the oil usage issue seen in prior production. I would shoot for a mid-02 or newer myself with 04 having all the updates before the switch to the LS2. My friend's 04 had the later LS2 timing chain.
Thread Starter
8th Gear
Joined: Jun 2010
Posts: 8
Likes: 0
Thank you for the info. My dad give me his 1980 LWB Silverado recently, he ordered it the Fall of 79'. I plan to repower with the LS1/700R4, remove bed,cab, replace interior,etc. There seems to be a few more LS1's around and the money is a little less than an LS2. I'm sure I'll have more questions once this project gets in full motion toward end of the year. I want to aquire the high ticket items first.
Melting Slicks
Joined: Aug 2003
Posts: 2,786
Likes: 7
From: Iowa
premium recommended for best performance and fuel economy. but it will run on regular just fine.
I moved from an area that sold 93 to an area that sells 91 at best. I lost a couple mpg's in the process. I can't tell any noticeable loss of power, but I probably took a small hit there too.
I moved from an area that sold 93 to an area that sells 91 at best. I lost a couple mpg's in the process. I can't tell any noticeable loss of power, but I probably took a small hit there too.
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