Performance Motor Build PTV??? -

5.0L (1979-1995) Mustang Technical discussions on 5.0 Liter Mustangs within. This does not include the 5.0 from the 2011 Mustang GT. That information is in the 2005-1011 section.

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Old 03-01-2014, 03:32 PM   #1
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Join Date: Mar 2014
Location: FL
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Default Performance Motor Build PTV???

I am building a 5.0 I am looking for some minor upgrades to add more horsepower for the build and was wondering if anyone knows info on piston to valve clearance with my current setup

What I have below is the current performance stuff i plan on using and am looking for info of what other internal motor parts i can add for more HP roller rocker arms etc??? also anyone point me in the right direction for new springs and hardened pushrods for this as i think i may need them?

Also, what do you guys think about the stock gt40p heads? what could i do to upgrade them for better performance bigger valves?

4 barrel high rise intake
block is a 5.0 ho
heads are stock gt40p heads
camshaft is lift .528/.533
dome pistons L2249N

Really questioning PTV clearance with the heads camshaft and the pistons... Any advice is greatly appreciated.
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Old 03-02-2014, 01:27 AM   #2
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Join Date: Aug 2004
Location: Arizona
Posts: 4,103

You are going to have to measure this for yourself to have any good answer at all.
I'd use the clay method so just do a search or google it up.
I always like .100 PTV clearance but on my current set-up I have about .080 which I can live with as it an SRC with lots of valve spring pressure......
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Old 03-02-2014, 12:58 PM   #3
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^^^^^^^^this, no other answer will suffice
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