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Thread: Cam Specs

  1. #1
    Community Manager GokuSSJ4's Avatar
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    West SIDE
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    WW X 11 "RRE special", C6 z06, 2013 outlander sport

    Cam Specs

    here's the new list.

    Factory EVO
    Advertised Duration - 260 deg Int / 256 deg Exh
    Effective Duration - ___ deg @ 1mm Int / ___ deg @1mm Exh
    Lift - 10.0mm Int / 9.5mm Exh
    Lobe Centerlines - 109 deg Int /111 deg Exh
    LSA - 110 deg
    Stock valve springs OK

    JDM EVO MR
    Advertised Duration - 260 deg Int / 256 deg Exh
    Effective Duration - ___ deg @ 1mm Int / ___ deg @1mm Exh
    Lift - 10.0mm Int / 9.5mm Exh
    Lobe Centerlines - 113 deg Int /112 deg Exh
    LSA - 112.5 deg
    Stock valve springs OK


    Comp Cams 264+
    Advertised Duration - 248 deg Int / 248 deg Exh
    Effective Duration - ___ deg @ 1mm Int / ___ deg @1mm Exh
    Lift - 10.8mm Int / 10.2mm Exh
    Lobe Centerlines - 104 deg Int / 112 deg Exh
    LSA - 108 deg
    Upgraded valve springs recommended

    Comp Cams 272+
    Advertised Duration - 256 deg Int / 257 deg Exh
    Effective Duration - ___ deg @ 1mm Int / ___ deg @1mm Exh
    Lift - 10.8mm Int / 10.2mm Exh
    Lobe Centerlines - 104 deg Int / 112 deg Exh
    LSA - 108 deg
    Upgraded valve springs recommended

    Comp Cams 280+
    Advertised Duration - 264 deg Int / 265 deg Exh
    Effective Duration - ___ deg @ 1mm Int / ___ deg @1mm Exh
    Lift - 11.0mm Int / 10.4mm Exh
    Lobe Centerlines - 104 deg Int / 112 deg Exh
    LSA - 108 deg
    Upgraded valve springs recommended


    GSC 264
    Advertised Duration - 268 deg
    Effective Duration - 194 deg @ 1mm
    Lift - 10.6mm Int / 10.0mm Exh
    Lobe Centerlines - ___ deg Int / ___ deg Exh
    LSA - ___ deg
    Stock valve springs OK

    GSC 272
    Advertised Duration - 281 deg
    Effective Duration - 203 deg @ 1mm
    Lift - 10.6mm Int / 10.0mm Exh
    Lobe Centerlines - ___ deg Int / ___ deg Exh
    LSA - ___ deg
    Stock valve springs OK


    HKS 264
    Advertised Duration - 264 deg
    Effective Duration - 206 deg @ 1mm
    Lift - 10.8mm Int / 10.2mm Exh
    Lobe Centerlines - 110 deg Int / 110 deg Exh
    LSA - 110 deg
    Stock valve springs OK

    HKS 272
    Advertised Duration - 272 deg
    Effective Duration - 214 deg @ 1mm
    Lift - 10.8mm Int / 10.2mm Exh
    Lobe Centerlines - 110 deg Int / 110 deg Exh
    LSA - 110 deg
    Stock valve springs OK

    HKS 280
    Advertised Duration - 280 deg
    Effective Duration - 222 deg @ 1mm
    Lift - 10.8mm Int / 10.2mm Exh
    Lobe Centerlines - 110 deg Int / 110 deg Exh
    LSA - 110 deg
    Stock valve springs OK


    JUN 264
    Advertised Duration - 264 deg
    Effective Duration - ___ deg @ 1mm
    Lift - 10.5mm
    Lobe Centerlines - ___ deg Int / ___ deg Exh
    LSA - ___ deg
    Upgraded valve springs required

    JUN 272
    Advertised Duration - 272 deg
    Effective Duration - 235 deg @ 1mm
    Lift - 10.8mm
    Lobe Centerlines - 110 deg Int / 115 deg Exh
    LSA - 112.5 deg
    Upgraded valve springs required


    Piper Ultimate Road
    Advertised Duration - 265 deg
    Effective Duration - 217 deg @1mm Int / 211 deg @1mm Exh
    Lift - 11.5mm Int / 10.8mm Exh
    Lobe Centerlines - 108 deg Int / 107 deg Exh
    LSA - 107.5
    Upgraded valve springs required

    Piper Rally
    Advertised Duration - 265 deg
    Effective Duration - 217 deg @ 1mm
    Lift - 11.5mm
    Lobe Centerlines - 108 deg Int / 107 deg Exh
    LSA - 107.5
    Upgraded valve springs required

    Piper Race
    Advertised Duration - 272 deg
    Effective Duration - 224 deg @ 1mm
    Lift - 12.0mm
    Lobe Centerlines - 106 deg
    LSA - 106 deg
    Upgraded valve springs required


    Revolver 262/264
    Advertised Duration - 262 deg Int / 264 deg Exh
    Effective Duration - 222 deg @ 1mm Int / 223 deg @ 1mm Exh
    Lift - 11.4mm Int / 11.5mm Exh
    Lobe Centerlines - 109 deg Int / 111 deg Exh
    LSA - 110 deg
    Upgraded valve springs required


    Tomei Poncam
    Advertised Duration - 260 deg
    Effective Duration - ___ deg @ 1mm
    Lift - 10.7mm Int / 10.2mm Int
    Lobe Centerlines - 110 deg Int / 115 deg Exh
    LSA - 112.5 deg
    Stock valve springs OK

    Tomei Procam
    Advertised Duration - 280 deg
    Effective Duration - ___ deg @ 1mm
    Lift - 11.5mm Int / 11.5mm Exh
    Lobe Centerlines - 110 deg Int / 115 deg Exh
    LSA - 112.5 deg
    Upgraded valve springs required

    Some specs on the Cosworth cams:


    272/11 264/10.5
    (bigger cam)(smaller cam)
    Duration @ Duration
    280 .002" 275
    274 .003" 266
    260 .006" 256
    249 .010" 246
    237 .016" 234
    231 .020" 228
    210 .040" 206
    202 .050" 197
    168 .100" 161
    97 .200" 80

    Cam lift

    .251" .232"

    Valve lift
    .433" .400"


    CenterLine

    107 intake and 113 exh.
    ''Yo, a$$G@@! This motherfucka's dead! Ain't no Chris Angel Mind freak, David Blaine trapdoor horseshit jumpin' off here!''

  2. #2

    Re: Cam Specs

    could you please add oem evo8 cam specs?

  3. #3

    Re: Cam Specs

    This is good to know that I can use Stock valve springs thankyou. O0

  4. #4

    Re: Cam Specs

    Buddy Clubs are identical to the hks ones right?
    www.500whp.com<br />www.muellerized.com<br />www.Lot-usa.com<br />www.Monster-Sport.com

  5. #5

    Re: Cam Specs

    keep in mind that the lift is not the sole factor that determines if you can use your stock valve springs or not. likely it is how aggressive the ramp rate is and when in doubt you most likely need the prings and retainers.

  6. #6
    SoCalEvo.net Shop


    Mike W's Avatar
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    Dec 2003
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    RRE
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    Re: Cam Specs

    Some specs on the Cosworth cams:


    272/11 264/10.5
    (bigger cam)(smaller cam)
    Duration @ Duration
    280 .002" 275
    274 .003" 266
    260 .006" 256
    249 .010" 246
    237 .016" 234
    231 .020" 228
    210 .040" 206
    202 .050" 197
    168 .100" 161
    97 .200" 80

    Cam lift

    .251" .232"

    Valve lift
    .433" .400"


    CenterLine

    107 intake and 113 exh.

    Mike W

  7. #7
    Community Manager GokuSSJ4's Avatar
    Join Date
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    WW X 11 "RRE special", C6 z06, 2013 outlander sport

    Re: Cam Specs

    Quote Originally Posted by Mike W
    Some specs on the Cosworth cams:


    272/11 264/10.5
    (bigger cam)(smaller cam)
    Duration @ Duration
    280 .002" 275
    274 .003" 266
    260 .006" 256
    249 .010" 246
    237 .016" 234
    231 .020" 228
    210 .040" 206
    202 .050" 197
    168 .100" 161
    97 .200" 80

    Cam lift

    .251" .232"

    Valve lift
    .433" .400"


    CenterLine

    107 intake and 113 exh.

    Mike W
    from talking to cosworth and John M. these type of cams require some time to install them (not the same as your usual cams "HKS) have you guys manage any good results with this ?
    I have a set in my garage LOL....
    ''Yo, a$$G@@! This motherfucka's dead! Ain't no Chris Angel Mind freak, David Blaine trapdoor horseshit jumpin' off here!''

  8. #8

    Re: Cam Specs

    Quote Originally Posted by xEviLxVIIIx
    Buddy Clubs are identical to the hks ones right?
    Yes same specs

  9. #9

    Re: Cam Specs

    Facotry OEM Spec - Evo VIII

    Duration - 260 In / 256 Ex
    Cam Lift - 10.00mm In/Ex
    Center Angle Centerlines - 109 deg Int / 110 deg Exh
    LSA - Unknown



    Tomei Poncam
    Advertised Duration - 260 deg
    Effective Duration - ___ deg @ 1mm
    Lift - 10.7mm Int / 10.2mm Int
    Lobe Centerlines - 110 deg Int / 115 deg Exh
    LSA - 112.5 deg
    Stock valve springs OK

    Tomei Poncam
    Advertised Duration - 260 deg
    Effective Duration - ___ deg @ Unknown
    Lift - 11.5mm Int / 11.5mm Int
    Lobe Centerlines - 110 deg Int / 115 deg Exh
    LSA - Unknown
    Upgraded valve springs required

    Tomei Procam
    Advertised Duration - 270 deg
    Effective Duration - ___ deg @ Unknown
    Cam Lift - 11.5mm Int / 11.5mm Ex
    Valve Lift - 6.65mm Int / 6.65 Ex
    Lobe Centerlines - 110 deg Int / 115 deg Exh
    LSA - Unknown
    Upgraded valve springs required

    Tomei Procam
    Advertised Duration - 270 deg
    Effective Duration - ___ deg @ Unknown
    Cam Lift - 11.5mm Int / 11.5mm Ex
    Valve Lift - 6.75mm Int / 6.75 Ex
    Lobe Centerlines - 110 deg Int / 115 deg Exh
    LSA - Unknown
    Upgraded valve springs required

    Tomei Procam
    Advertised Duration - 280 deg
    Effective Duration - ___ deg @ Unknown
    Cam Lift - 11.5mm Int / 11.5mm Exh
    Valve Lift - 6.65mm In / 6.65mm Ex
    Lobe Centerlines - 110 deg Int / 115 deg Exh
    LSA - Unknown
    Upgraded valve springs required

    Tomei Procam Solid
    Advertised Duration - 280 deg
    Effective Duration - ___ deg @ Unknown
    Cam Lift - 11.8mm Int / 11.8mm Exh
    Valve Lift - 6.95mm In / 6.95mm Ex
    Lobe Centerlines - 110 deg Int / 115 deg Exh
    LSA - Unknown
    Upgraded valve springs required

  10. #10
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    likely it is how aggressive the ramp rate is and when in doubt you most likely need the prings and retainers.
    With nice prices and free delivery can let you enjoy a wonderful Private Practice Season 6 DVD buy journey.

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