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-   -   Differences? (https://www.v6f-body.com/showthread.php?t=3681)

Throwback Bird 09-25-2011 01:16 AM

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?

Throwback Bird 09-26-2011 06:17 PM

Anyone out there in v6 land? I read somewhere sayin the ports on the 3500 heads are different than the 3400.

tkoforpresident 09-27-2011 03:29 PM

The cc is smaller on the 3500 heads. U need to use 3400 pistons with 3400 heads

Throwback Bird 09-27-2011 08:21 PM

ah I see, well I found the upper and lower intake for 10 bucks im thinking of grabbing it up.

fire chicken 09-28-2011 08:35 AM

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).

3.8blackmaro 09-28-2011 10:24 AM

I thought the 3500 intakes are too tall to fit under the cowl?

fire chicken 09-28-2011 12:00 PM

3500 heads 3500 lower 3400 upper and it should fit


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