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Subject: "camshaft selection" Previous topic | Next topic
Avenger ESTMar-22-02 06:46 AM
Member since Nov 19th 2001
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#18173, "camshaft selection"


          

How much could I benefit from running the Crane Drag cams as opposed to the Crane turbo spec cams that I have now. I have a stage 5 turbosystem, and I want to get the maximum potential out of my engine. I am not the most knoledgeable person when it comes to camshaft selection. Which camshaft woudl best suit my need for making good hp through as much of the powerband as possible, adn woudl it even be possible to run the high compression drag cam or even some of the custom cams with my turbosystem. if anyone could help in this decision, it would be greatly appreciated.

A.D.P.
"...If you do too much, people become dependant. If you do to little, people loose hope. If you do it right, people won't be sure you've done anything at all."
bring it on............

A.D.P.
"...If you do too much, people become dependant. If you do to little, people loose hope. If you do it right, people won't be sure you've done anything at all."
bring it on...........

  

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Replies to this topic
RE: camshaft selection, Global Ruler Of All ThingsDarkOne, Mar-22-02 06:55 AM, #1
RE: camshaft selection, Fast420A, Mar-22-02 12:19 PM, #2
      RE: camshaft selection, TeamMichael_97RS, Mar-23-02 12:49 PM, #3
      RE: camshaft selection, Fast420A, Mar-27-02 05:54 AM, #4
      RE: camshaft selection, Avenger EST, Mar-27-02 12:13 PM, #5
           RE: camshaft selection, Fast420A, Mar-27-02 12:18 PM, #6
                RE: camshaft selection, Avenger EST, Mar-27-02 07:36 PM, #7
                     RE: camshaft selection, TeamMichael_97RS, Mar-28-02 04:15 AM, #8
                          REYeah the only upgrade for you would be to a higher lift cam. : camshaft selection, Fast420A, Mar-28-02 09:45 AM, #9
                               RE: REYeah the only upgrade for you would be to a higher lift cam. : camshaft selection, TeamMichael_97RS, Mar-30-02 03:51 AM, #10

Global Ruler Of All ThingsDarkOneMar-22-02 06:55 AM
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#18174, "RE: camshaft selection"
In response to Reply # 0




          

Look for the cam with the most intake and exhaust duration with the least overlap. In a turbocharged application, high overlap can cause reversion of exhaust gas into the combustion chamber, which raised EGTs and does not promote cleam, power making combustion.

I think, if you look, you'll find that the drag cams and the high compression cams both make use of healthy amounts over overlap that probably won't be helpful to you.

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Fast420AMar-22-02 12:19 PM
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#18175, "RE: camshaft selection"
In response to Reply # 1


          

I thought you had cams Armond.

________________________________________________________________________________________
current status - No 3rd Gear synchro


http://hometown.aol.com/ohshootuhh/
www.Fast420A.com


Flame Red SRT-4 GT40,8.5:1 Built Shortblock, Brian Crower Stage 2 Cams, etc etc etc...

  

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TeamMichael_97RSMar-23-02 12:49 PM
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#18176, "RE: camshaft selection"
In response to Reply # 2


          

Yeah stay away from overlap with the turbo you will just blow air through the motor instead of into the combustion chamber. You want the exhaust valves closed to force the air in and keep it in. You want high lift, high duration, little overlap. (pretty much what Dino said)

Una salus victus.
It's not about being invincible, it's about being ready; for anything.



Michael J. Kulaga
e-mail: Michael_97RS@2gntDSM.zzn.com aol IM: MJKulga
http://highlander.dsmpower.com/

Injen CAI, 55mm TB, Hooker 4-1 Stepped Header, GS-T Muffler, AFX UDP, S-AFC, 8.5mm Magnecor Wires, Crane Fireball HI-6DI2, SS Clutch Line, NRG Susp. Motor Mount Ins., FU/RU/RL STBs, TSW Blade 17x7.5, Bridgestone Potenza RE730 215/45ZR-17. Front KVR Cross-Drilled Rotors & Carbon Fiber Pads

To Be Installed: Ported/Polished Intake Manifold 1/2, Rear disc brake conversion kit w/, Rear KVR Cross Drilled Rotors & Carbon Fiber Kevlar Pads, SS Brake Lines

Firefly:
Mal: You don't know me, son, so let me put this to you plainly: If I ever kill you, you'll be awake. You'll be facing me. And you'll be armed.

  

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Fast420AMar-27-02 05:54 AM
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#18177, "RE: camshaft selection"
In response to Reply # 3


          

#0010 Street Performance
Range Idle to 6500 RPM's
Intake Duration 242@006 Lift .354 inch
Exhaust Duration 242@.006 Lift .354 inch

#0012 Street grind for Nitrous Engines
Range 1500 to 6800 RPM's
Intake Duration 246@006 Lift .364 inch
Exhaust Duration 246@006 Lift .364 inch

#0014 Street grind for Turbo Engines
Range 1500 to 6800 RPM's
Intake Duration 246@006 Lift .364 inch
Exhaust Duration 238@006 Lift .325inch

#0016 Drag Grind
Range 2000 to 7200 RPM's
Intake Duration 250@006 Lift .374 inch
Exhaust Duration 250@006 Lift .374 inch
(Autos Require High Speed Stall Convertor)

#0018 Drag Grind for increased compression
Range 2500 to 7500 RPM's
Intake Duration 258@006 Lift .394 inch
Exhaust Duration 258@006 Lift .394 inch
(Autos Require High Speed Stall Convertor, requires increased compression)


CUSTOM GRINDS

0020 Grind - Duration 224, Valve Lift .413
0022 Grind - Duration 232, Valve Lift .433
0024 Grind - Duration 240, Valve Lift .453
0026 Grind - Duration 248, Valve Lift .472
0028 Grind - Duration 256, Valve Lift .492


________________________________________________________________________________________
current status - No 3rd Gear synchro


http://hometown.aol.com/ohshootuhh/
www.Fast420A.com


Flame Red SRT-4 GT40,8.5:1 Built Shortblock, Brian Crower Stage 2 Cams, etc etc etc...

  

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Avenger ESTMar-27-02 12:13 PM
Member since Nov 19th 2001
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#18178, "RE: camshaft selection"
In response to Reply # 2


          

read my first post really carefully. I was asking if it would be beneficial to "upgrade" from crane turbo spec cams to crane drag cams. I was like one of the first people to get these cams for the dsm (and in the old post, I made it pretty clear that they were still nowhere close to being right when I got them. I decided not to upgrade 'though, because It wouldn't be an upgrade in my situation.


A.D.P.
"...If you do too much, people become dependant. If you do to little, people loose hope. If you do it right, people won't be sure you've done anything at all."
bring it on............

A.D.P.
"...If you do too much, people become dependant. If you do to little, people loose hope. If you do it right, people won't be sure you've done anything at all."
bring it on...........

  

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Fast420AMar-27-02 12:18 PM
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#18179, "RE: camshaft selection"
In response to Reply # 5


          

The reason I posted the specs was because of the Custom Grind Specs. I thought that you might like the HIGH lift ones that they have.


________________________________________________________________________________________
current status - No 3rd Gear synchro


http://hometown.aol.com/ohshootuhh/
www.Fast420A.com


Flame Red SRT-4 GT40,8.5:1 Built Shortblock, Brian Crower Stage 2 Cams, etc etc etc...

  

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Avenger ESTMar-27-02 07:36 PM
Member since Nov 19th 2001
658 posts,
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#18180, "RE: camshaft selection"
In response to Reply # 6


          

yeah, I saw that earlier, but wiht the first hand expierience that I have had trying to get crane to "make" a product is like pulling elephant teeth emoji I really wish my turbo cams had more lift, but with their off-center design, I think I would end up loosing in the long run if I went custom.

A.D.P.
"...If you do too much, people become dependant. If you do to little, people loose hope. If you do it right, people won't be sure you've done anything at all."
bring it on............

A.D.P.
"...If you do too much, people become dependant. If you do to little, people loose hope. If you do it right, people won't be sure you've done anything at all."
bring it on...........

  

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TeamMichael_97RSMar-28-02 04:15 AM
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#18181, "RE: camshaft selection"
In response to Reply # 7


          

Yeah the only upgrade for you would be to a higher lift cam. the drag grind I think would hurt your performance. Maybe Crower will have a grind you like better.

Una salus victus.
It's not about being invincible, it's about being ready; for anything.



Michael J. Kulaga
e-mail: Michael_97RS@2gntDSM.zzn.com aol IM: MJKulga
http://highlander.dsmpower.com/

Injen CAI, 55mm TB, Hooker 4-1 Stepped Header, GS-T Muffler, AFX UDP, S-AFC, 8.5mm Magnecor Wires, Crane Fireball HI-6DI2, SS Clutch Line, NRG Susp. Motor Mount Ins., FU/RU/RL STBs, TSW Blade 17x7.5, Bridgestone Potenza RE730 215/45ZR-17. Front KVR Cross-Drilled Rotors & Carbon Fiber Pads

To Be Installed: P&P Intake Manifold 1/2, P&P Milled Head, Rear Disc Brakes, Rear KVR Cross Drilled Rotors & Carbon Fiber Kevlar Pads, SS Brake Lines

Firefly:
Mal: You don't know me, son, so let me put this to you plainly: If I ever kill you, you'll be awake. You'll be facing me. And you'll be armed.

  

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Fast420AMar-28-02 09:45 AM
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#18182, "REYeah the only upgrade for you would be to a higher lift cam. : camshaft selection"
In response to Reply # 8


          

>Maybe
>Crower will have a grind you like better.



WHEN MICHAEL WHEN!!!!!


________________________________________________________________________________________
current status - No 3rd Gear synchro


http://hometown.aol.com/ohshootuhh/
www.Fast420A.com


Flame Red SRT-4 GT40,8.5:1 Built Shortblock, Brian Crower Stage 2 Cams, etc etc etc...

  

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TeamMichael_97RSMar-30-02 03:51 AM
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#18183, "RE: REYeah the only upgrade for you would be to a higher lift cam. : camshaft selection"
In response to Reply # 9


          

Alright, alright, I'll give Brian another call.

Una salus victus.
It's not about being invincible, it's about being ready; for anything.



Michael J. Kulaga
e-mail: Michael_97RS@2gntDSM.zzn.com aol IM: MJKulga
http://highlander.dsmpower.com/

Injen CAI, 55mm TB, Hooker 4-1 Stepped Header, GS-T Muffler, AFX UDP, S-AFC, 8.5mm Magnecor Wires, Crane Fireball HI-6DI2, SS Clutch Line, NRG Susp. Motor Mount Ins., FU/RU/RL STBs, TSW Blade 17x7.5, Bridgestone Potenza RE730 215/45ZR-17. Front KVR Cross-Drilled Rotors & Carbon Fiber Pads

To Be Installed: P&P Intake Manifold 1/2, P&P Milled Head, Rear Disc Brakes, Rear KVR Cross Drilled Rotors & Carbon Fiber Kevlar Pads, SS Brake Lines

Firefly:
Mal: You don't know me, son, so let me put this to you plainly: If I ever kill you, you'll be awake. You'll be facing me. And you'll be armed.

  

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