Which Catcams for 16v 4age

npharkes
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Which Catcams for 16v 4age

Postby npharkes » Wed Nov 19, 2014 8:47 pm

I am aiming for max hp @ 8400rpm (have a 9000 redline) and max torque @ 5500rpm; I have all the goodies to run any kind of cam. Which do you think will meet these requirements the best? I am not interested in any other cam brands.

I have tried to contact Catcams about this but don't get anything useful from them.

http://www.catcams.com/engines/camshaft-setup.aspx

- Thanks, Niels

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npharkes
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Re: Which Catcams for 16v 4age

Postby npharkes » Wed Nov 19, 2014 9:06 pm

duration @ 0.1mm - @ 1.0mm - valve lift at TDC
7105149 - 278°/268° - 246°/238° - 11.15mm/10.70mm - 2.95mm/2.45mm - tarmac rally - race
7105150 - 287°/278° - 256°/246° - 11.65mm/11.15mm - 3.65mm/3.15mm - tarmac rally - race
7105151 - 294°/287° - 262°/256° - 12.05mm/11.65mm - 4.30mm/3.85mm - full race

Thinking xxxx151 is too aggressive and the lift scares me a little(?)

Davegt27
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Re: Which Catcams for 16v 4age

Postby Davegt27 » Wed Nov 19, 2014 9:33 pm

I have a TRD intake Cam I want to sell at great price $250 buyer pays shipping


Camshaft, intake 13501-AE811 C 1 Discontinued Angle 320° Lifting 10.0mm Need to change to inner shim type

has a little Dykem on them but comes off easily

Image

Image

you cant go wrong with a TRD cam

http://www.trdparts.jp/english/parts_engine-4a-g16.html

dasgtnut27@aol.com
Davegt27 Code One Racing

npharkes
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Re: Which Catcams for 16v 4age

Postby npharkes » Thu Nov 20, 2014 4:54 pm

@davegt27
With a 320° you sure can go wrong!

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oldeskewltoy
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Re: Which Catcams for 16v 4age

Postby oldeskewltoy » Thu Nov 20, 2014 5:32 pm

npharkes wrote:I am aiming for max hp @ 8400rpm (have a 9000 redline) and max torque @ 5500rpm;

I am not interested in any other cam brands.



Big valves? I'd run a "custom" mix... 2 of their 268/238 durations 10.7mm lift cams. I'm not one who typically likes running mixed durations.

Peak HP should be around 8500-8800, if you want to have peak earlier, I'd go with a pair of the 260/230 10.25mm cams.... OR thinking about it a bit you can run the mixed pair(268/260) and the redline should be about 8300-8600
OST Cyl head porting, - viewtopic.php?f=22&t=300

Building a great engine takes knowing the end... before you begin :ugeek:

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Jimmee1990
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Re: Which Catcams for 16v 4age

Postby Jimmee1990 » Wed Dec 03, 2014 3:31 am

What sort of lift does your cylinder head start running out of flow at, and what CFM figures if you're aware of them? Also what compression ratio has the engine been built to? Without all this info and more we're all really just guessing.

npharkes
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Re: Which Catcams for 16v 4age

Postby npharkes » Wed Dec 03, 2014 5:32 pm

@Jimmee1990
My head is flowing 190CFM @ 9mm lift and 20inch water with std valves. Current CR is 11.5 so I hope this can be increased to 12 by shaving the head.

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