o.s vpec running 20% need to remove shims?
06-25-2008, 05:00 PM
#1
o.s vpec running 20% need to remove shims?
hey guys i am going to start running my vspec on 20%, it is a eb modded....i didn't know if i need to take a shim out. thanks for your help!
06-25-2008, 05:40 PM
#2
You do not have to take a shim out. You may be able to take a shim out to try and find that little extra bit of horsepower or leave it in to be safe and get better mileage. If you do decide to pull a shim, run one good hard tank with a new plug and check it after the run. If it shows any signs of distortion put the shim back in.
06-25-2008, 07:04 PM
#3
thanks wing for your post in both of my threads!!!
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