SLP rocker arms...
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Race Director
Joined: Apr 2004
Posts: 16,135
Likes: 5
From: Newberry FL
Cruise-In VIII Veteran
St. Jude Donor '07
Originally Posted by 97vettec5
I will take that as a YES on both? haha
You will need to get a tune because you are increasing the geometry of the cam a great deal by doing this (as mentioned above).
Burning Brakes
Joined: Nov 2004
Posts: 988
Likes: 4
From: Livermore CA
I ran 1.8s and did not need a tune. They are like adding 4 degrees to the duration of a stock cam both intake and exhaust because of the rapid lift of the valves. The MAF can sense the slightly extra flow which lets the computer trim accordingly. I would also agree with the 10-20 hp number.
Instructor
Joined: Jun 2004
Posts: 160
Likes: 0
From: Grain Valley MO
Originally Posted by mph1972
Not for both questions, just for the tuning question.
You will need to get a tune because you are increasing the geometry of the cam a great deal by doing this (as mentioned above).
You will need to get a tune because you are increasing the geometry of the cam a great deal by doing this (as mentioned above).
ok thank you mph1972
