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A6 head. Cam worth it?

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Old Dec 12, 2008 | 05:13 AM
  #21  
confUsed's Avatar
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Default Re: A6 head. Cam worth it?

Originally Posted by ryan89crx
i run a Delta 272 in my turbo a6, t3/t4 .48a/r exhaust with a 60 trim compressor, and it has a nice broad powerband. power falls off pretty hard around 6800rpm though
I tried to search, but couldnt find any build thread, do you have one? Dyno graph or is it street tuned?
Old Dec 12, 2008 | 06:33 PM
  #22  
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Default Re: A6 head. Cam worth it?

Originally Posted by confUsed
I tried to search, but couldnt find any build thread, do you have one? Dyno graph or is it street tuned?
built motor, on a dyno

a6 block, .020 over
SRP 9:1 pistons
TT i-beams
decked block, .010 max
milled a6 head, same amount as block
z6 headgasket
Delta 272 cam
Blox IM
62mm tb

"mini-ram" manifold
t3/t4 .48/.60 60 trim
3" DP/3" exhaust

this was at 10.5-11psi IIRC, straight from my street tune, before any massaging on the dyno

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Old Dec 12, 2008 | 06:42 PM
  #23  
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Default Re: A6 head. Cam worth it?

Originally Posted by ryan89crx
i run a Delta 272 in my turbo a6, t3/t4 .48a/r exhaust with a 60 trim compressor, and it has a nice broad powerband. power falls off pretty hard around 6800rpm though
What did you have your cam timing set to?
Old Dec 12, 2008 | 07:03 PM
  #24  
ryan89crx's Avatar
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Default Re: A6 head. Cam worth it?

Originally Posted by SDRAWKCAB
What did you have your cam timing set to?
set it as close to 0 as i could with an AEM cam gear
Old Dec 12, 2008 | 07:16 PM
  #25  
confUsed's Avatar
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Default Re: A6 head. Cam worth it?

Originally Posted by ryan89crx
built motor, on a dyno

a6 block, .020 over
SRP 9:1 pistons
TT i-beams
decked block, .010 max
milled a6 head, same amount as block
z6 headgasket
Delta 272 cam
Blox IM
62mm tb

"mini-ram" manifold
t3/t4 .48/.60 60 trim
3" DP/3" exhaust

this was at 10.5-11psi IIRC, straight from my street tune, before any massaging on the dyno

http://img.photobucket.com/albums/v2...89crx/dyno.jpg
http://img.photobucket.com/albums/v2...ewblock_13.jpg
Thanks for sharing!

Loving the torque graph, that must be a fun car on the streets or at the circuit, more than 3500 rpm of usable powerband Hoping to get something like that out of mine when I'm done.
Old Dec 12, 2008 | 09:31 PM
  #26  
ryan89crx's Avatar
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Default Re: A6 head. Cam worth it?

Originally Posted by confUsed
Thanks for sharing!

Loving the torque graph, that must be a fun car on the streets or at the circuit, more than 3500 rpm of usable powerband Hoping to get something like that out of mine when I'm done.
ya its pretty fun, not super fast but im happy with it. running 20psi now, definitely rips up the tires

20psi, but my Greddy ebc wont hold boost for ----. dont know why, but it fluctuates between 15 and 22 like crazy. boost gauge needle is just a blur when it hits full boost bouncing back and forth

24.5" slicks set at 11pounds, spun like crazy, funky boost, and missed 3rd...ya im a shitty driver with all the excuses in the world :P

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