5.0L Ford Mustang 5.0L discussion area for heads, rebuilding, tuning, idle issues and all other modifications and performance parts.

5.0 Head question

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Old 08-24-2006 | 11:22 AM
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YellowGT's Avatar
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5.0 Head question

So here's the question.....

I have heard that no matter what aftermarket head I was to put on my 95GT that I would have to get the pistons notched due to valve clearance.

Is this true?? :2:

Of course I have also heard the opposite.
Old 08-24-2006 | 04:58 PM
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TFS's twisted wedges don't require notches as long as the lift and duration on you cam don't get to big. I'm pretty sure the AFR 165 with the 1.9 intake don't either. What ever head you choose its always good to check piston to valve clearance unless you are still running the stock cam. good luck
Old 08-24-2006 | 04:59 PM
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the stock short block in a 95 GT will be the same in everyway as the older 5.0's except they dont use forged piston's hyperutechtic only in 94 and 95 you should be ok with anything that worked in the earler years. That being said ALLWAYS check for piston to valve clearance the right way. It will save you money in the long run
Old 08-24-2006 | 05:40 PM
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Now what if I did put a bigger cam in with the heads but with different rockers, Do you think there would be a clearance issue??
Old 08-24-2006 | 05:48 PM
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TFS says up to .540 lift at the valve with stock piston
Old 08-24-2006 | 07:05 PM
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The only way you would need to have the pistons "notched" is if you were to run some huge valves-which would most likely cost you power rather than make power. Any of the mild aftermarket heads will bolt up no problem, as mentioned before it's always a good idea to check clearance just in case.
Old 08-25-2006 | 10:03 AM
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Thanks for all the info guys, This helps out a ton. :thumb1:
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