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Messages - Carreraelite509

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Engine Mechanical / Electrical / Burnt intake valve question
« on: August 29, 2018, 09:42:39 PM »
I recently had a fresh valve job and new valves put in my bbc

After about 10 hours of use
I noticed a drop in performance.
I performed a leak down test and found out I had a bad burnt intake valve.
 Pulled the head and confirmed the intake valve/seat let gasoline come out when poured in intake.

Jetting is correct
Timing is set at 32 total
Never gets above 150 degrees
And has about 4 psi water pressure at idle.
Itís a hydraulic roller motor and valves were lashed correctly 
Any one know of another reason the valve could get burnt ?

Thanks for any help

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