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Dodge Competition and Performance General Dodge Competition and Performance Discussion |
08-29-2018, 04:24 PM
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#1
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Name: BluegrassDiesel
Title: UK2K!
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Join Date: Apr 2007
Location: KENTUCKY
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Factory Cummins Cam specs
Does anyone have detailed cam specs for a factory 6.7 cam?
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Josh Land
Bluegrass Diesel Performance
Lancaster, Ky
SHOP ONLINE @ http://WWW.SHOPBLUEGRASS.COM
97 DodgePPL Limited Pro Stock "The Crippler"
09 3500 GMC CCDually
05 Silverado SS
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08-30-2018, 08:57 AM
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#2
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Name: bracker8040
Title: Too Much Time
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Quote:
Originally Posted by BluegrassDiesel
Does anyone have detailed cam specs for a factory 6.7 cam?
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Specs on a stock 6.7 cam are the same as the 03+ CR 5.9.
Intake; 163* @ 0.050”
Exhaust; 191* @ 0.050”
Intake lobe lift; 0.237”
Exhaust lobe lift; 0.299”
LSA; 98.5*
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08-30-2018, 11:04 AM
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#3
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Name: QMFB
Title: Fastest Welder in Texas
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03+ ?
What about the in cylinder egr exhaust overlap ? IIRC, that did not exist on the 03-04 engines ?
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04 CCLB DRW - 6.4 Cummins, HPTuners, 80% S&S, 10mm S&S CP3, AD165, s464 /s475, full billet 48re, Arp's EVERYWHERE, mild head work, lots of time and money... And never done.
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08-30-2018, 12:53 PM
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#4
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Name: Red Sleeper
Title: Too Much Time
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^^ That was always my thought as well. The 04.5+ 325 engines have a different cam profile.
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Nick J
'14 Silverado LTZ 5.3 4wd
'05 Cummins QCSB 4wd 48re
'91 Cummins w350 5spd
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08-30-2018, 01:04 PM
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#5
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Name: biggy238
Title: Too Much Time
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I thought it was 109° on all CR applications.
Sent from my XT1575 using Tapatalk
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08-30-2018, 01:12 PM
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#6
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Name: BluegrassDiesel
Title: UK2K!
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Join Date: Apr 2007
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Yeah I saw specs that said all CR were the same but I thought there were 3 different CR cams
__________________
Josh Land
Bluegrass Diesel Performance
Lancaster, Ky
SHOP ONLINE @ http://WWW.SHOPBLUEGRASS.COM
97 DodgePPL Limited Pro Stock "The Crippler"
09 3500 GMC CCDually
05 Silverado SS
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08-30-2018, 01:47 PM
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#7
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Name: QMFB
Title: Fastest Welder in Texas
Status: Not Here
Join Date: Apr 2016
Location: Corpus Christi, TX.
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Posts: 1,061
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It's the only reason I used my early 04 Federal cam in my new 6.4 build. If it was a later cam, I'd have scraped it.
__________________
04 CCLB DRW - 6.4 Cummins, HPTuners, 80% S&S, 10mm S&S CP3, AD165, s464 /s475, full billet 48re, Arp's EVERYWHERE, mild head work, lots of time and money... And never done.
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08-30-2018, 03:46 PM
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#8
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Name: bracker8040
Title: Too Much Time
Status: Not Here
Join Date: Jan 2007
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Posts: 818
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My understanding was that the lift, duration, and lsa are the same on all the cr cams, but that the ramp profile can be/is different. Also on the 6.7 cam the lobe is wider.
I could be wrong so....
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