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300 Hp from a 3L????
I rarely visit the engine forum, but after reading some threads in the 911 seciton as well as Excellence Mag...about 300 HP N/A engines, 2.8s, and 3.0s...It got me thinking.
How does one do it?????
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Have you ever felt suffocated while watching the Oxygen Channel? People with excuses fail. As soon as I OK my actions with an excuse, I cease bettering myself. 88 Carrera |
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11-18-2006, 08:13 AM
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Join Date: Jul 2001
Location: Portland Oregon
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Hi:
300 HP from a 3.0 isn't difficult. Early SC/Carrera heads, 10.5:1 CR, the proper cams, 46mm PMO's or an EFI system, twin-ignition, a proper exhaust yields 300+HP depending on the cams. All it takes is money,.. 
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Steve Weiner Rennsport Systems Portland Oregon (503) 244-0990 porsche@rennsportsystems.com www.rennsportsystems.com |
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11-18-2006, 08:55 AM
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user & abuser
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remember, 300 is only 258 rwhp....(if i remember the 915 setup is 14% loss right?)
cheers Nick - 100hp/L is possible with out engines..... i'm trying to get mine up to that mark at the moment...right now i m @ 91hp/L, the last 9 is gonna be found in proper cams and some fuel adjustment...
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11-18-2006, 09:00 AM
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ah how do i check what my compression is???
I have posted before that i have a 3.7L andial motor, but its only rated 265 HP...and i dont know what my compresson is.... also, unless, i am mistaken it has the 2 into 1, 3.2 exhaust. DId the 964 also use the same exhaust??? (as 87- 89 carrera)?
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Have you ever felt suffocated while watching the Oxygen Channel? People with excuses fail. As soon as I OK my actions with an excuse, I cease bettering myself. 88 Carrera |
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11-18-2006, 09:09 AM
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DOH...just found an old email from Andail 9.8 to 1 compression.
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Have you ever felt suffocated while watching the Oxygen Channel? People with excuses fail. As soon as I OK my actions with an excuse, I cease bettering myself. 88 Carrera |
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11-18-2006, 09:13 AM
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user & abuser
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i'd think a 3.7L 9.8:1CR, andial motor was making a little more then 265..... have u driven with other porsche guys? maybe a 930? i'm willing to bet that you probably out-paced them, and u probably have more then 265hp, might be the classic case of porsche under-statement...
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11-18-2006, 11:50 AM
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A lot of it could depend on the induction and cams... A stock 3.0L puts out about 180 HP (60 HP/liter) so a 3.7 with similar cams and induction would logically put out 222HP.
So a 3.7L putting out 265 isn't hard to comprehend really. It will certainly have a nice torque band... As Steve said, it's only a question of money.
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Chris ---------------------------------------------- 1996 993 RS Replica 2023 KTM 890 Adventure R 1971 Norton 750 Commando Alcon Brake Kits |
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11-18-2006, 04:02 PM
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good points...
also, i have only driven 1 pcar..mine and, it has bee 20 yrs since i have been in a stock 3.2 carrera, but never drove one. Rode in track cars. but riding doesnt tell you where the foot/throttle positions is relative to the but dyno.
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Have you ever felt suffocated while watching the Oxygen Channel? People with excuses fail. As soon as I OK my actions with an excuse, I cease bettering myself. 88 Carrera |
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11-20-2006, 04:15 AM
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Unregistered
Join Date: Aug 2000
Location: a wretched hive of scum and villainy
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It took me $1200 and the better part of a days work to get close to 300 hp out of my 3 liter. Oh, you said N/A. Never mind
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11-20-2006, 12:00 PM
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Super Moderator
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$1200 Sammy? Do tell...
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Chris ---------------------------------------------- 1996 993 RS Replica 2023 KTM 890 Adventure R 1971 Norton 750 Commando Alcon Brake Kits |
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11-20-2006, 05:53 PM
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user & abuser
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he's being a turbo guy chris...lol
can't believe u fell for that...(joke). 1200 is really cheap though, is that what u paid for a used BAE kit or something?
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vini vidi vici |
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11-20-2006, 05:56 PM
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Super Moderator
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If he can do that for $1200, I want to know how.
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Chris ---------------------------------------------- 1996 993 RS Replica 2023 KTM 890 Adventure R 1971 Norton 750 Commando Alcon Brake Kits |
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11-20-2006, 06:23 PM
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Join Date: Jan 2003
Location: Langley,B.C.
Posts: 12,019
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Me too, I am going to be over 12000......
 Cheers
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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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11-20-2006, 06:39 PM
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user & abuser
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ya, i was also.... though i was quoted less then 1/4 of that.... gotta love that...actually i think everything, parts, labour of build, machining etc...totalled me around 13 500.... thats a but load of money, expecially for a broke ass student who though for 11 000 he could get the 330hp 3.5L (looking good), AND a big brake kit....and a helmet.....1/3 isn't very success rate...
anyways.... if u can get me a turbo for 1200 install i can have alot more then 300hp :P
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vini vidi vici |
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11-20-2006, 06:46 PM
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Super Moderator
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Maybe he forgot the zero.
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Chris ---------------------------------------------- 1996 993 RS Replica 2023 KTM 890 Adventure R 1971 Norton 750 Commando Alcon Brake Kits |
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11-20-2006, 07:27 PM
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1975 Porsche 911S
1970 Porsche 911 S 
