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Thread: Small Chamber heads
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11-20-2019, 09:30 PM #15000 RPM
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Small Chamber heads
I just picked up a set of Mercury heads. The chambers are a bit smaller than my other 200 heads,i am thinking they are 150 heads-Part # 18787-c4. Does anyone know the CC of these heads and can i use them on a 200. Thank you.
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11-21-2019, 05:57 AM #2
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11-21-2019, 10:23 AM #3
they are 2.0 liter heads off a later 135 v6. that motor is based off the 2.5 and will work perfect on your 200 as long as it is a 2.5 liter. They are 34cc and should yeild you around 150psi compression only run 93 octane gas.
1998 SS 2000 94 260ss
Speed cost how fast you want to go
Allison and Merc is there anything else?
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