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Subject: "Q about ground cam to increase I&E duration?" Previous topic | Next topic
tim97rsFeb-19-02 10:21 AM
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#15146, "Q about ground cam to increase I&E duration?"


          

A place called delta cams takes factory cams for the eclipse 420a(not neon) and grinds them just enought to lengthen the intake and exhaust duration without getting out of the factory hardend surface. said to gain about 10% or so more HP, for $170.00. good deal? better cams elsewhere? gimme some info, thanks.

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Replies to this topic
RE: Q about ground cam to increase I&E duration?, vegasdsmr, Feb-19-02 06:06 PM, #1
RE: Q about ground cam to increase I&E duration?, TeamMuRiX, Feb-20-02 12:33 AM, #2
      RE: Q about ground cam to increase I&E duration?, tim97rs, Feb-20-02 03:45 AM, #3
           RE: Q about ground cam to increase I&E duration?, TeamMichael_97RS, Feb-20-02 04:04 AM, #4
                RE: Q about ground cam to increase I&E duration?, tim97rs, Feb-20-02 07:27 AM, #5
                     RE: Q about ground cam to increase I&E duration?, TeamMichael_97RS, Feb-20-02 07:37 AM, #6
                          RE: Q about ground cam to increase I&E duration?, tim97rs, Feb-20-02 01:45 PM, #7

vegasdsmrFeb-19-02 06:06 PM
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#15147, "RE: Q about ground cam to increase I&E duration?"
In response to Reply # 0


          

you get what you pay for, imo, with any performance part.

i hear regrinds are only good for x amount of miles.

their statement of not grinding away the hardend part is their sales tool. u can do much better....

03 srt-4 13.130@112.47mph (n2o, stock turbo, 10/2003)
now: 20g, portfueler, bpu+++ (track/dyno times tbd...)

i farted on your wiki

  

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TeamMuRiXFeb-20-02 12:33 AM
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#15148, "RE: Q about ground cam to increase I&E duration?"
In response to Reply # 1


          

My only issue with regrinds is they can easily wear out over time. Almost any competent shop can you get you regrinds for around $300. For the money, I would prefer going with new cores vs a regrind. That is personal preference.

05 Mazda RX-8
06 Lotus Elise

  

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tim97rsFeb-20-02 03:45 AM
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#15149, "RE: Q about ground cam to increase I&E duration?"
In response to Reply # 2


          

a new core is a complete cam cut from a single piece of material to the new specs, without any grinding? is that right?

USED TO HAVE...Everything you wish you had, and then some...

You are somebody special Tim, you matter! - from the admins (but nobody likes you, because your username is just like that other guy's, and you whine a lot)

  

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TeamMichael_97RSFeb-20-02 04:04 AM
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#15150, "RE: Q about ground cam to increase I&E duration?"
In response to Reply # 3


          

Make sure if you do it they tell you what the lifters need to be shimmed to. My biggest problem with regrinds is when they add material to them. If done poorly then I've heard horror stories from old muscle cars about the metal added breaking off and causing serious damage. regrinding will shorten the life of a cam though, just because there is les material for wear. But $170 seem on par with regrind services.

"The world is a dangerous place to live; not because of the people who are evil, but because of the people who don't do anything about it." - Albert Einstein



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tim97rsFeb-20-02 07:27 AM
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#15151, "RE: Q about ground cam to increase I&E duration?"
In response to Reply # 4


          

michael: from what they told me they dont actualy add any more material, they just grind a bit off of a new stock cam. would that correct?

USED TO HAVE...Everything you wish you had, and then some...

You are somebody special Tim, you matter! - from the admins (but nobody likes you, because your username is just like that other guy's, and you whine a lot)

  

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TeamMichael_97RSFeb-20-02 07:37 AM
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#15152, "RE: Q about ground cam to increase I&E duration?"
In response to Reply # 5


          

Yes and that is what I would suggest for what you are looking for, since no Billet cams are available yet. Just do the regrind where material is removed, and none added.

There are two ways to regrind, one where they take the stock cams and grinddown material to change the profiles. And the other where they grind and add material to create more radical profiles.

"The world is a dangerous place to live; not because of the people who are evil, but because of the people who don't do anything about it." - Albert Einstein



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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tim97rsFeb-20-02 01:45 PM
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#15153, "RE: Q about ground cam to increase I&E duration?"
In response to Reply # 6


          

Moochus grassy ass!!

USED TO HAVE...Everything you wish you had, and then some...

You are somebody special Tim, you matter! - from the admins (but nobody likes you, because your username is just like that other guy's, and you whine a lot)

  

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