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Explorer GT40 valve seat\face angle

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BIG BLOCK FORD :: GENERAL TECH :: SBF/FE/MODULAR/MEL ENGINE TECHNICAL

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Explorer GT40 valve seat\face angle Empty Explorer GT40 valve seatface angle

Post  Kobelco February 24th 2019, 9:54 pm

Anyone know the stock factory valve seat\face angle on Explorer V8 5.0 GT40 - P ?

Kobelco

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Post  Kobelco March 20th 2019, 5:34 pm

Somebody has to know,,,, McLain, Randy, someone ??

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Post  torino501 March 30th 2019, 11:25 am

I’m pretty sure it’s 45 deg on the seat and 44 on the valve face that’s in the Ford WSM.

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Post  Kobelco April 3rd 2019, 7:20 pm

Replacement valves come in 44 , 44.5 , 45 , 45.5 , 46 face angles from various suppliers. I don't like  to grind on new valves is why I ask...

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Post  dfree383 April 4th 2019, 6:07 am

What valve job are you doing to the seats?
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Post  pmrphil April 4th 2019, 8:37 am

Don't know why you won't grind new valves, I ALWAYS grind new valves, better safe than sorry.

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Post  Kobelco April 4th 2019, 9:41 pm

3 angle for stock use.
I check concentricity on seat and valves. So far the ones sold thru Nashville repackaged has been machined by the least drunk Asian continent machinist, for street use.

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