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08-08-2013, 03:36 PM #1
- Join Date
- Oct 2005
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- Vicksburg. Ms.
- Posts
- 461
pewter- 99 Trans Am
How do you go about getting lift after adding 1.6 rockers.
I have a 350 engine that have a 480/480 lift cam, I added the 1.6 rockers sometime ago, I knew the lift and how to get it but I have forgotten, can anyone help me out With the now lift and how to go about getting it?
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08-08-2013, 05:26 PM #2
Take the .480 lift and divide by the original 1.5 rocker ratio to get the lobe lift.
In this case you get .320
Then take the lobe lift and multiply that by the new rocker ratio
.320 x 1.6 = .512 valve lift.
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08-08-2013, 05:44 PM #3
- Join Date
- Oct 2005
- Location
- Vicksburg. Ms.
- Posts
- 461
pewter- 99 Trans Am
Thanks for the info.
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