Home  |  Forums  |  914 Info  |  Blogs
 
914World.com - The fastest growing online 914 community!
 
Porsche, and the Porsche crest are registered trademarks of Dr. Ing. h.c. F. Porsche AG. This site is not affiliated with Porsche in any way.
Its only purpose is to provide an online forum for car enthusiasts. All other trademarks are property of their respective owners.
 

Welcome Guest ( Log In | Register )

2 Pages V  1 2 >  
Reply to this topicStart new topic
> 1974 2.0L Rebuild, need a plan for maximum safe horsepower
basenji7
post Jan 22 2005, 09:03 PM
Post #1


Newbie
*

Group: Members
Posts: 21
Joined: 20-April 04
From: dallas, tx
Member No.: 1,953



Does anyone have a hi HP plan for a '74 2.0L 914 engine rebuild? I want to get the max possible horespower out of it and retain the reliability. If someone has pushed it to the safe limit and can provide me w/the details i would appreciate it.

Currently fuel injected but I would like to entertain all avenues
smilie

Thanks,
Darryl

http://www.cardomain.com/memberpage/753901
User is offlineProfile CardPM
Go to the top of the page
+Quote Post
SGB
post Jan 22 2005, 11:45 PM
Post #2


just visiting
****

Group: Members
Posts: 4,086
Joined: 8-March 03
From: Huntsville, AL
Member No.: 404
Region Association: South East States



keep in mind that most mods change peak horsepower location in the rev range. I've done a lot of mods lately to get more hp- perhaps the most significant is the Mallory distributor to top off the web-cam, webers and SSI exhaust. what I wasn't aware of how evrything was gonna happen at higher revs (unless I'm just putterin around). So now I can tell I need 2nd-grar synchros pretty soon.
So make sure you consider all the requirements. Oh, improved brakes are probably helpul too.
User is offlineProfile CardPM
Go to the top of the page
+Quote Post
SirAndy
post Jan 22 2005, 11:50 PM
Post #3


Resident German
*************************

Group: Admin
Posts: 42,469
Joined: 21-January 03
From: Oakland, Kalifornia
Member No.: 179
Region Association: Northern California



QUOTE (SGB @ Jan 22 2005, 09:45 PM)
So now I can tell I need 2nd-grar synchros pretty soon.

you can counter act this a bit by using longer intake runners (or manifolds for your carbs) and longer/higher velocity stacks ...
this will move peak HP down in the rmp band.

also, what muffler do you run? a more restrictive muffler will also move HP down in the power band.

otherwise, keep those revs up!
(IMG:http://www.914world.com/bbs2/html/emoticons/aktion035.gif) Andy
User is offlineProfile CardPM
Go to the top of the page
+Quote Post
basenji7
post Jan 23 2005, 12:12 AM
Post #4


Newbie
*

Group: Members
Posts: 21
Joined: 20-April 04
From: dallas, tx
Member No.: 1,953



I'm running the Bursh exhaust from Pelican Parts. As far as the breaks, I plan on some slotted cryogenic frozen rotors. I already have the 19mm MC and SS brake lines. I'm trying to keep it somewhat as stock as possible but I do want to be safe. This car will do DE/AX events but it will be mostly a daily driver..

thx.........d
User is offlineProfile CardPM
Go to the top of the page
+Quote Post
SirAndy
post Jan 23 2005, 12:19 AM
Post #5


Resident German
*************************

Group: Admin
Posts: 42,469
Joined: 21-January 03
From: Oakland, Kalifornia
Member No.: 179
Region Association: Northern California



QUOTE (basenji7 @ Jan 22 2005, 07:03 PM)
Currently fuel injected but I would like to entertain all avenues

unless you go for a warmed up camshaft, there's no use in using carbs. they won't be making more HP but *will* eat more fuel ...

however, *if* you go with a more agressive camshaft, the stock FI won't cut it.

your call, i guess. the bursch muffler is a good choice, what do you run for the heat-exchangers/headers? SSI HEs have a bigger dia. and help the engine to breath better.

a well set up 2.0L (euro PCs/ euro compression) should get you in the 95HP (at the wheel) range, which is plenty for our little cars, if you know how to use it ...

(IMG:http://www.914world.com/bbs2/html/emoticons/cool.gif) Andy
User is offlineProfile CardPM
Go to the top of the page
+Quote Post
nebreitling
post Jan 23 2005, 12:21 AM
Post #6


Member Emeritus
****

Group: Members
Posts: 3,314
Joined: 26-March 03
From: San Francisco
Member No.: 478



displacement. add copiously.
User is offlineProfile CardPM
Go to the top of the page
+Quote Post
basenji7
post Jan 23 2005, 03:09 AM
Post #7


Newbie
*

Group: Members
Posts: 21
Joined: 20-April 04
From: dallas, tx
Member No.: 1,953



I was thinking somewhere in the 150hp range. Maybe my eyes r bigger than my belly. I'm putting 86rwhp and 109torque now. I saw this and I got all happy: http://www.cardomain.com/memberpage/695880 210hp is his claim w/a 4. I know better than to believe everything on the internet.

d
User is offlineProfile CardPM
Go to the top of the page
+Quote Post
newdeal2
post Jan 23 2005, 07:39 AM
Post #8


Unregistered









Look into Jake Raby's 2270 kit that will be coming soon...it's the best setup and if I''m not mistaken 165 bhp and civil.
Go to the top of the page
+Quote Post
MecGen
post Jan 23 2005, 08:08 AM
Post #9


8 Easy Steps
***

Group: Members
Posts: 848
Joined: 8-January 05
From: Laval, Canada
Member No.: 3,421



Hey

Mines like this :
Web Cam - camshaft
Kobles Euro pistons 8:1
009 recurved distributor
mild worked heads
36mm Dells
Bursch exhaust

The rest of the money went into Blueprinting ie:
Fan, crank, clutch, rods balance.
All new bolt kit, rods, studs , etc
High volume oil pump
deck hights/cc
magnoflex, shot peening
rocker geomet, push rod/rockers with swivvle foot, valve heights.
Very important that you leave no stone unturned for the "reliability" factor. More HP means less reliability.
Mine pulls hard start to finnish, after 9 years.
Now if I can only can eat the 200hp rice burner at the end of the street (IMG:http://www.914world.com/bbs2/html/emoticons/headbang.gif) Maybe with more cyl....
WBR
Joe
User is offlineProfile CardPM
Go to the top of the page
+Quote Post
Dominic
post Jan 23 2005, 08:27 AM
Post #10


Dominic
***

Group: Members
Posts: 995
Joined: 14-January 03
From: Vacaville, CA
Member No.: 149
Region Association: Northern California



QUOTE (basenji7 @ Jan 23 2005, 01:09 AM)
I was thinking somewhere in the 150hp range. Maybe my eyes r bigger than my belly. I'm putting 86rwhp and 109torque now. I saw this and I got all happy: http://www.cardomain.com/memberpage/695880 210hp is his claim w/a 4. I know better than to believe everything on the internet.

d

If you are talking about a daily driver with 150 BHP (not rear wheel HP) out of a 2.0L with stock F.I. or carbs......not gonna happen unless you start upping the CC's and adding headers, ect which may take you away from the daily driver direction. 150HP out of a 2.0L is no problem as long as you have about $8000 + to invest in a nice race engine.

That 210 HP motor that guy has in his 914 is most likely a six cyl 911 engine.

MORE HP = LOTS of $$$
User is offlineProfile CardPM
Go to the top of the page
+Quote Post
DJsRepS
post Jan 23 2005, 09:24 AM
Post #11


Member
**

Group: Members
Posts: 431
Joined: 4-November 04
From: Sarasota Florida
Member No.: 3,060



Simple math here Max hp + Reliability = Jake Raby
User is offlineProfile CardPM
Go to the top of the page
+Quote Post
SirAndy
post Jan 23 2005, 12:10 PM
Post #12


Resident German
*************************

Group: Admin
Posts: 42,469
Joined: 21-January 03
From: Oakland, Kalifornia
Member No.: 179
Region Association: Northern California



QUOTE (basenji7 @ Jan 23 2005, 01:09 AM)
I was thinking somewhere in the 150hp range.

bring WADS of cash ($$$) and forget about the stock rebuild ...

you'll need to change all the internals, work magic on the heads, bump up compression and displacement, run big carbs, get some big headers ...
and then some ...

150 HP will cost you *much* more than you paid for the entire car!
(IMG:http://www.914world.com/bbs2/html/emoticons/wink.gif) Andy
User is offlineProfile CardPM
Go to the top of the page
+Quote Post
Aaron Cox
post Jan 23 2005, 12:23 PM
Post #13


Professional Tinkerer
***************

Group: Retired Admin
Posts: 24,548
Joined: 1-February 03
From: Corona, CA
Member No.: 219
Region Association: Southern California



ive seen this car.
(IMG:http://memimage.cardomain.net/member_images/11/web/695000-695999/695880_9_full.jpg)
that is at the don and glen swap here in SoCal

thats a FAT built motor.
(and my nissan exterra is in that pic! LOL)
User is offlineProfile CardPM
Go to the top of the page
+Quote Post
jd74914
post Jan 23 2005, 01:18 PM
Post #14


Its alive
****

Group: Members
Posts: 4,875
Joined: 16-February 04
From: CT
Member No.: 1,659
Region Association: North East States



so it actually exists (IMG:http://www.914world.com/bbs2/html/emoticons/clap.gif) , unlike most other car domain stuff
User is offlineProfile CardPM
Go to the top of the page
+Quote Post
basenji7
post Jan 23 2005, 02:49 PM
Post #15


Newbie
*

Group: Members
Posts: 21
Joined: 20-April 04
From: dallas, tx
Member No.: 1,953



Jake Raby really seems to be the way to go. Does anyone have a ballpark on the cost? I'm considering one of the 2270 engines.

Thanks for everyone's insight.

darryl
User is offlineProfile CardPM
Go to the top of the page
+Quote Post
anthony
post Jan 23 2005, 03:20 PM
Post #16


2270 club
****

Group: Benefactors
Posts: 3,107
Joined: 1-February 03
From: SF Bay Area, CA
Member No.: 218



Jake will tell you that each engine is different but you can figure on north of $8K with intake (carbs or FI) and exhaust.
User is offlineProfile CardPM
Go to the top of the page
+Quote Post
MattR
post Jan 23 2005, 03:32 PM
Post #17


Advanced Member
****

Group: Members
Posts: 3,279
Joined: 23-January 04
From: SF Bay Area
Member No.: 1,589
Region Association: Northern California



Im not sure its fair to answer any engine questions without an idea on what you're willing to spend. If you go cheap (like me) and spend in the 4k range for a home made 2056cc, you're probably going to get in the 100-110 hp range. But like everybody has said if you have Jake Raby build an engine he can build a monster that will be sweet on the street and push big HP, but crack open the wallet.
User is offlineProfile CardPM
Go to the top of the page
+Quote Post
Bleyseng
post Jan 23 2005, 03:59 PM
Post #18


Aircooled Baby!
**********

Group: Members
Posts: 13,037
Joined: 27-December 02
From: Seattle, Washington (for now)
Member No.: 24
Region Association: Pacific Northwest



I have build a 95rwhp 2056 and it take more than just adding 96mm pistons. (IMG:http://www.914world.com/bbs2/html/emoticons/biggrin.gif)

After spending $$$$ to have the heads reworked to 42x38 valves plus exhaust porting
Get a FI cam with alittle more exhaust duration/lift plus ceramic lifters
96mm Nikkies with 9:1 compression
ARP rod bolts
Balancing
Dyno time to set up/tune the MPS!
Should break the 100hp rwhp or 120hp or so with Djet.

Geoff
User is offlineProfile CardPM
Go to the top of the page
+Quote Post
anthony
post Jan 23 2005, 07:08 PM
Post #19


2270 club
****

Group: Benefactors
Posts: 3,107
Joined: 1-February 03
From: SF Bay Area, CA
Member No.: 218



I've been thinking of building a 2056 but I'm holding off to see Jake's new web site to see how cost effective it might be to go with a 2270.
User is offlineProfile CardPM
Go to the top of the page
+Quote Post
Bleyseng
post Jan 23 2005, 08:07 PM
Post #20


Aircooled Baby!
**********

Group: Members
Posts: 13,037
Joined: 27-December 02
From: Seattle, Washington (for now)
Member No.: 24
Region Association: Pacific Northwest



Forget runnin Djet if you do. A modified 2056 with run Djet no problems unless you get a fancy cam.

Geoff (IMG:http://www.914world.com/bbs2/html/emoticons/biggrin.gif)
User is offlineProfile CardPM
Go to the top of the page
+Quote Post

2 Pages V  1 2 >
Reply to this topicStart new topic
1 User(s) are reading this topic (1 Guests and 0 Anonymous Users)
0 Members:

 



- Lo-Fi Version Time is now: 2nd April 2026 - 08:55 AM
...