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Discussing cylinder heads... in the 5.0 Mustangs Forum. i have a question...i am running a b303 cam. i am going to go ...

       

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Old January 30th, 2007, 10:13 PM   #1
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cylinder heads...


i have a question...i am running a b303 cam. i am going to go with afr heads, my question was, how can i be sure that i will have piston to valve clearance....i mean, before i buy the heads, where can i find if the cam will allow me to use the heads?
 

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Old January 30th, 2007, 10:18 PM   #2
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You need to check valve to piston clearance with the new heads and the cam you will be using. Every engine is different due to machining tolerances and other variables. Two identical engines with the same heads and cam can (and probably will) have two different measurements for valve to piston clearance.

I also wouldn't use a B303 cam. If you are going to spend the money on good heads, spend the money on a good cam.
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Old January 30th, 2007, 10:37 PM   #3
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If a B303 isnt a good cam then what do you recommend?
 
Old January 30th, 2007, 10:41 PM   #4
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if the piston does not clear the valves, how do you fix the problem??
 
Old January 31st, 2007, 06:28 PM   #5
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Originally Posted by 5literJeff
If a B303 isnt a good cam then what do you recommend?
Cam choices vary from car to car. It all depends on the combination.
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Old January 31st, 2007, 06:29 PM   #6
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Originally Posted by 92_LX_5.0
if the piston does not clear the valves, how do you fix the problem??
A pistons notching tool.
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