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Join Date: Mar 2009
Posts: 1,785
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cam timing setting
Looking for suggestions to set cam timing on a 3.0 with 964 cams and 9.5 JE pistons
Thanks in advance for your help! |
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07-26-2023, 04:02 PM
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I have 964 cams with stock pistons. Been running 1.25 mm but just recently advanced to 1.50. Engine not back in yet so can't offer much feedback on the change.
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Walt 82SC 3.0 81SC 3.6 |
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07-26-2023, 04:57 PM
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Join Date: Mar 2001
Location: Marysville Wa.
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964 spec.
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https://www.instagram.com/johnwalker8704 8009 103rd pl ne Marysville Wa 98270 206 637 4071 |
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07-26-2023, 05:11 PM
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Location: Langley,B.C.
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What John said above.
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Turn3 Autosport- Full Service and Race Prep www.turn3autosport.com 997 S 4.0, Cayman S 3.8, Cayenne Turbo, Macan Turbo, 69 911, Mini R53 JCW , RADICAL SR3 |
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07-26-2023, 06:18 PM
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Thanks for the answers-I will start with 1.25
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07-27-2023, 04:17 AM
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A while back when I was researching this subject I saved these threads. Maybe one you haven't seen yet.
Installed 964 cam in 3.0 SC! 964 cam timing please 911 sc 3.0 performance upgrades cam timing question for 964 cam on SS 3.2
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Walt 82SC 3.0 81SC 3.6 |
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07-27-2023, 06:27 AM
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Join Date: Jul 2013
Location: Brisbane, Australia.
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Quote:
The 964 factory setting is 1.26mm. But if you advance to 1.5 you tend to bring the peak torque a little earlier in the rpm range. The trade off is you will likely have lower top hp. The difference between the 2 settings is noticable, but neither is going to make you feel regret for not going the other way. Also, keep in mind you need to ensure adequate valve-piston clearance. However with your JE's in this case, I suspect you'll have plenty.
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07-27-2023, 10:10 AM
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