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3x00 Specifics Comprehensive Coverage of the 3x00 Hybrid Motor

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Old 09-25-2011, 01:16 AM
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Default Differences?

Whats the big difference between the 3400 heads and 3500 heads? I found a whole 3400 top end, and need to know if its worth getting. The main question is the 3400 head should work right?
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Old 09-26-2011, 06:17 PM
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Anyone out there in v6 land? I read somewhere sayin the ports on the 3500 heads are different than the 3400.
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Old 09-27-2011, 03:29 PM
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The cc is smaller on the 3500 heads. U need to use 3400 pistons with 3400 heads
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Old 09-27-2011, 08:21 PM
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ah I see, well I found the upper and lower intake for 10 bucks im thinking of grabbing it up.
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Old 09-28-2011, 08:35 AM
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3500 heads flow way better than 3400. 3500 lim flows better mid range and the same top end flow. Use 3400 pistons with either head unless you get a cam with a lot more duration to blow off compression.
The cc size should be the same. Shape maybe not, a 3400 is 9.6;1 with either head(3500 3400).
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Old 09-28-2011, 10:24 AM
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I thought the 3500 intakes are too tall to fit under the cowl?
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Old 09-28-2011, 12:00 PM
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3500 heads 3500 lower 3400 upper and it should fit
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