Head casting number - Team Camaro Tech
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post #1 of 5 (permalink) Old Apr 3rd, 11, 06:23 PM Thread Starter
adrian
 
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Location: lamesa
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Head casting number

is the head casting number under both valve covers or just one and which
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post #2 of 5 (permalink) Old Apr 3rd, 11, 06:42 PM
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Re: head casting number

Quote:
Originally Posted by bver20 View Post
is the head casting number under both valve covers or just one and which
Each head has the casting number and casting date; just remove the valve covers to see them.

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post #3 of 5 (permalink) Old Apr 3rd, 11, 09:11 PM
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darrell
 
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Re: head casting number

yep perty clean 291s there--toward the back on driverside between 6 and 8 intake valves on drivers side and 2 and 4 intake on pass side
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post #4 of 5 (permalink) Old Apr 3rd, 11, 09:23 PM Thread Starter
adrian
 
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Re: head casting number

thanks they are 781 heads, any idea how to wake them up? ive heard getting the bowls cleaned and installing 2.19in and 1.88 ex valves would help but what else do i need to do?
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post #5 of 5 (permalink) Old Apr 5th, 11, 03:36 AM
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darrell
 
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Re: Head casting number

flow good -valves and porting work but very large cc so you need some slugs or angle milling to get compression there
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