Stock LS1 cam specs

[MR.hp]

This posted for a certain person that has a black formula that lurks here:rlol:

98-00 LS1 cam specs

Intake lift .498 duration 198.86
Exhaust lift .497 duration 209.25
LSA 119.45

01-02 LS1 can specs

Intake lift .464 duration 196.37
Exhaust lift .479 duration208.72
LSA 115.92


Makes me wonder now why some of the LT1 cars ran so slow as some years had LSA spec close to the LS1 and in a Gen1 Small Block kills them.

So now you know whay your car is faster at the bottom end and slower at the top end with the new motor. My suggestion is to put in an LS6 cam as the LSA is about the same as your old cam and the extra lift and duration would wake that old car right up.

[Z28SSMAN]

Hmmm...I've never heard of any of the LS1's having a 111.92 LSA. Doesn't sound right. Here are the specs I found.

From what I recall, they deleted the egr valve starting 2001, so they used the smaller cam to help with emissions.

1998 - 2000 Fbody
202/210 int/exh @ 0.05" duration
0.496" / 0.496" int/exh lift
116 LSA

2001 - 2002 Fbody
197/207 int/exh @ 0.05" duration
0.467" / 0.479" int/exh lift
116 LSA

2001 LS6 cam
207/217 int/exh @ 0.05" duration
0.525" / 0.525" int/exh lift
116 LSA

2002+ LS6 cam
204/218 int/exh @ 0.05" duration
0.551" / 0.547" int/exh lift
117 LSA

Here's a good link...

http://www.smokemup.com/tech/ls1.php

[MR.hp]

Oops, My bad it was 115.92 which is 116LCA

[Z28SSMAN]

You're right about the reason why his car runs different due to cam differences. His car would benefit from a cam change. I like the one you recommend. Stock idle and wouldn't really need tuning, just change rev limiter.