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General Registry Discussion Topics of Interest (Mach 1 Related or otherwise) for discussions that don't fit other forums. |
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08-29-2016, 11:04 AM | #1 |
Registered User
Join Date: Dec 2015
Location: stockton ca
Posts: 133
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Driver side head paint mark (tsb)?
Isn't this the newer replaced head? I heard if it had blue paint it is the tsb fix
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08-29-2016, 06:00 PM | #2 |
Registered Mach Abuser
Join Date: Apr 2006
Location: SoCal
Posts: 1,695
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Re: Driver side head paint mark (tsb)?
I think thats a myth. My early 03 came from the factory with the blue stripe.
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04 O/W 5sp with Kenne Bell 2.1 intercooled kit@ 10lbs. |
08-29-2016, 06:24 PM | #3 |
Registered User
Join Date: Dec 2015
Location: stockton ca
Posts: 133
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Re: Driver side head paint mark (tsb)?
That's what I've been hearing now. You are right
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08-29-2016, 07:27 PM | #4 |
700 HP Mach
Join Date: Nov 2003
Location: Orlando, FL
Posts: 8,384
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Re: Driver side head paint mark (tsb)?
Pretty sure the casting number/part # is the only sure way to know
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03 dsg mach1 - MPR built 9.5:1 motor, D1, cams, ported intake, full exhaust, magnum t56, built rear, E85 etc... '12 F150 FX2 Supercrew with Ecoboost daily beater |
08-29-2016, 08:07 PM | #5 |
Registered User
Join Date: Mar 2008
Location: Jersey Shore
Posts: 1,349
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Re: Driver side head paint mark (tsb)?
blue line is a myth like stated! check the casting #
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