Best balance of boost and compression for a DD
#21
Thread Starter
High on diesel fumes
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Joined: Mar 2005
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From: Phoenix, AZ
Ok. I talked to Richard at WCCH today about some different stuff, and he is a very knowledgeable guy about a lot more than just heads
I'll call him up tomorrow to clear up these last few questions, then it ordering time
I'll call him up tomorrow to clear up these last few questions, then it ordering time
#23
I'd personally like to have a daily driven 10.0:1 408 with 8psi that I can pulley down to 12psi for the track. Something rather important in a choice like that is your choice of how you're going to make the boost. What device is going to move the air?
#27
GFYS and STFU
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Joined: Jan 2007
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From: Here and sometimes there too.
Nice thread, lot of good info in here!
Thanks for pulling it up Slowhoe, I don't care what the other members on here say about you, your definetly good for more than just funny *** one liners all the time!
Thanks for pulling it up Slowhoe, I don't care what the other members on here say about you, your definetly good for more than just funny *** one liners all the time!
#28
Thread Starter
High on diesel fumes
iTrader: (70)
Joined: Mar 2005
Posts: 12,658
Likes: 3
From: Phoenix, AZ
One possibility that was brought up for the detonation I'm having is the lack of heat removal allowed by the stock exhaust manifold I have on one side and the log manifold on the other. Those, combine with the LS6 and/or 5.3 heads (I tried both), could have cause detonation at low boost levels. I thought it was weird that I could see almost 10 psi on a stock motor with the Radix with no detonation but only about 6 with the built one. This would explain that.
I have been recommended to use a set of 317 heads from this point forward. Apparently they are better flowing on the exhaust side and will be more efficient at removing heat from the combustion chamber, so should be better for detonation.
I have been recommended to use a set of 317 heads from this point forward. Apparently they are better flowing on the exhaust side and will be more efficient at removing heat from the combustion chamber, so should be better for detonation.
#29
Originally Posted by thunder550
One possibility that was brought up for the detonation I'm having is the lack of heat removal allowed by the stock exhaust manifold I have on one side and the log manifold on the other. Those, combine with the LS6 and/or 5.3 heads (I tried both), could have cause detonation at low boost levels. I thought it was weird that I could see almost 10 psi on a stock motor with the Radix with no detonation but only about 6 with the built one. This would explain that.
I have been recommended to use a set of 317 heads from this point forward. Apparently they are better flowing on the exhaust side and will be more efficient at removing heat from the combustion chamber, so should be better for detonation.
I have been recommended to use a set of 317 heads from this point forward. Apparently they are better flowing on the exhaust side and will be more efficient at removing heat from the combustion chamber, so should be better for detonation.