|
|
|
|
| Author |
|
|
Registered
Join Date: May 2007
Location: Canberra, Australia
Posts: 125
|
964 cams in 3.0 CIS
Guys, i hear these cams give more power in an otherwise stock motor but what else will they do? Do they change fuel consumption much and how does the exhaust note sound through a stock system.
Cheers Matt
__________________
1982 911 SC coupe RoW moss green SSIs and M&K 2-1 muffler |
||
05-15-2007, 08:55 AM
|
|
|
Registered
Join Date: May 2004
Posts: 758
|
I did this and the difference is not that noticeable in any category. It seems that the main difference is more grunt above 4k RPM's. This is based on butt dino, and I have no actual dyno #'s. Since it's not expensive, I would say it's worth doing.
|
||
|
05-15-2007, 09:05 AM
|
|
|
Registered
Join Date: Jan 2003
Location: Langley,B.C.
Posts: 12,000
|
I have built a couple of 3.0's with 964 cams. Nice mild upgrade.
Cheers
__________________
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 |
||
|
05-15-2007, 09:38 AM
|
|
|
Registered
|
Do it they work great!
__________________
Thanks! Don Ramsay E Mail: aircooledclassicsporsche@gmail.com The father of 964 Backdating!  www.aircooledclassics.co www.facebook.com/AirCooledClassicsPorsche/ www.instagram.com/aircooledclassicsporsche/ |
||
|
05-15-2007, 09:44 AM
|
|
|
Registered
|
Any ideas or experience on how this upgrade impacts the 3.0's emissions? Just wondering if it would still pass smog in CA.
|
||
|
05-15-2007, 09:58 AM
|
|
|
Registered
Join Date: Feb 2004
Location: Old Hangtown
Posts: 529
|
I did this to my '79 SC motor. I thought it was a great upgrade. Seems to move the powerband up a bit. Definitely wakes up the motor. I ended up moving the motor to my '73 before having to smog it, but I talked to John (Camgrinder) and he said he's never had anyone have smog issues.
__________________
'73 Targa |
||
|
05-15-2007, 10:12 AM
|
|
|
|
Registered
Join Date: Jun 2005
Location: San Diego
Posts: 619
|
Quote:
|
||
|
05-15-2007, 11:21 AM
|
|
|
Registered
Join Date: Jan 2003
Location: Langley,B.C.
Posts: 12,000
|
The last one I built is in an SC in California, it passed smog no problem.
Cheers
__________________
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 |
||
|
05-15-2007, 12:24 PM
|
|
|
Registered
|
I didn't do this during my rebuild, because you lose grunt off the line.
__________________
John Original owner '81 911SC blackmetallic coupe. Terbatrol, SSI, M+K Gen 4, SC+ cams, A/C delete, console delete, heater backdate, 7 & 8 x 16 Fuchs with polished rims, Turbo tie rods, tensioner update, Rennline engine mount bar, Mainely Custom sump plate, new top-end, corner balance. |
||
|
05-15-2007, 12:28 PM
|
|
|
Registered
Join Date: Jan 2003
Location: Langley,B.C.
Posts: 12,000
|
Really?? I have not noticed that at all. Same with the people who own the motors I built.
Cheers
__________________
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 |
||
|
05-15-2007, 12:37 PM
|
|
|
Registered
|
I was told that by Dan Jacobs when he did my top end. so I can't speak from experience.
__________________
John Original owner '81 911SC blackmetallic coupe. Terbatrol, SSI, M+K Gen 4, SC+ cams, A/C delete, console delete, heater backdate, 7 & 8 x 16 Fuchs with polished rims, Turbo tie rods, tensioner update, Rennline engine mount bar, Mainely Custom sump plate, new top-end, corner balance. |
||
|
05-15-2007, 12:57 PM
|
|
2024 
Blue Meanie
Hers
1981 Porsche 911SC
