v6 cylinder heads - Ford Mustang Forums : Corral.net Mustang Forum
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post #1 of 3 Old 08-01-2007, 06:11 PM Thread Starter
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v6 cylinder heads

I have an 84 v6 mustang convertible. The engine is a 3.8 v6 with cfi and a three speed auto trans. I was wondering if the cylinder heads from newer model 3.8's would swap on to my engine or if the later designs are different. I was wondering this because the top end of my engine sounds like [email protected]#$. After about 2500 rpm it sounds like an old diesel bus. Any help would be greatly appreciated. Or if this wouldn't work, any body know the cost of rebuilding cylinder heads?

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post #2 of 3 Old 08-02-2007, 12:01 AM
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super six motorsports has all your needs

99 mustang gt 35th vert - bolt ons
09 f-350 lariat CCSB 5.4 - DD
04 f-350 RCLB 6.0 - sold
---8100 lbs 13.9 @ 96 tune/deleted, stock heads
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post #3 of 3 Old 11-20-2007, 06:32 PM
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If you go to later (SEFI) heads, you will probably need the intake, etc. The later heads have the injectors mounted in them. A lot of work, I would say. You might do better with a complete engine swap.

If you want to keep what you have, you should ask at machine shops in your area what they charge for: pressure testing, milling flat, and doing a valve job. I would guess that it's around $300 for both heads.
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