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#1
heads
Moisabamf
Posted on: 2007/10/24 5:36
will the A12 head fit onto the A15
i have the oval port head but i want the round head one  
#2
heads
Dundee1000
Posted on: 2007/10/24 5:43
yes they are interchangeable, but the inlet manifold will need to be changed to suit..
#4
Re: heads
sunny_coupe110
Posted on: 2007/10/24 7:41
As for the cylinder head, the bolt distance is the same.
The installation is possible to A10 - A15. But I am different from an inlet port in stats.
#5
Re: heads
clyons8
Posted on: 2007/10/24 14:27
What dundee means is that your inlet manifold on the current A15 head (oval port) will have to be changed to suit the round port head- so round port manifold with round port head, and oval port manifold for oval port head.......hmm
#6
Re: heads
Bajan_B310
Posted on: 2007/10/24 15:02
Why do you want the the A12 round port head on the 1500? I thought the oval port A15 head was supposed to be better.
#7
Re: heads
clyons8
Posted on: 2007/10/24 15:24
Thats kinda what I've been thinking, the oval port head is superior considering airflow?
#8
Re: heads
B210sleeper
Posted on: 2007/10/24 15:31
I have a round port A15 head, I had thought it would have more low end torque, and a bit less topend, counting on going turbo, the smaller ports would be made up for in boost.
#9
Re: heads
Fandatstick
Posted on: 2007/10/26 8:52
Can't see any upside in replacing oval port with round.
#10
Re: heads
allwaysallin
Posted on: 2007/10/27 3:20
it probly wouldnt be worth it becuase you'd loose top end to make more bottem end but u'd loose a lot of top end for a small amout of gain in low rev range. but than this done with a turbo im unsure of what the result would be
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