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Big turbo cams?

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Old Jan 31, 2005 | 07:53 PM
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Default Big turbo cams?

I'm real curious as to what some of the bigger turbo cars are using for cams, right now TREX is still in my car from when it was N/A, I want to swap it out before race season, but I really don't know much about turbo cam selection.

I would like to stay hydrolic rollers instead of a soilid roller for the moment, and 600-620 lift should be ok. Pistons are already flycut so P2V should not be a issue in most cases.
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Old Jan 31, 2005 | 10:33 PM
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I too am interested in this as I want to do a cam first and then turbo later
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Old Jan 31, 2005 | 11:08 PM
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What's the combination? Goals? ET, HP, driveability?
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Old Jan 31, 2005 | 11:15 PM
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Originally Posted by INTMD8
What's the combination? Goals? ET, HP, driveability?
Mid 8's on a TH400 and strip stall, ability to drive it on the streets, I daily drive TREX on the streets and it was fine for me, that may give you a idea of my drivability comfort level.
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Old Jan 31, 2005 | 11:40 PM
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Mid 8's at what raceweight?

Displacement, heads, turbo(s)/turbo system

I'm guessing you would like to trap low 160's?
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Old Jan 31, 2005 | 11:52 PM
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Originally Posted by INTMD8
Mid 8's at what raceweight?

Displacement, heads, turbo(s)/turbo system

I'm guessing you would like to trap low 160's?
Around there, ported stock heads, 408CI HPE motor, Twin T70 on forward facing headers, car is pretty much stripped, front solid motor plate, BIGSTUFF3 PCM.

I plan to select my heads later this year, but I really don't think my TREX is a very turbo friendly cam, so I want to change that now because its cheap.
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Old Feb 1, 2005 | 12:02 AM
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Well, just to give you a basic idea, I would personally go with something like-

IVO- 5btdc
IVC- 47abdc
EVO- 50bbdc
EVC- 2atdc

@.050
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Old Feb 1, 2005 | 12:19 AM
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Originally Posted by INTMD8
Well, just to give you a basic idea, I would personally go with something like-

IVO- 5btdc
IVC- 47abdc
EVO- 50bbdc
EVC- 2atdc

@.050
Thats a good starting point, how much lift is "ideal" for a cam like this? I suspect there is probably not a off the shelf grind thats going to come close to this application.
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