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-   -   Next Mod/Upgrade? (http://forums.pelicanparts.com/porsche-911-technical-forum/573571-next-mod-upgrade.html)

RSM-M491 11-04-2010 03:43 PM
Next Mod/Upgrade?
 
I currently have a SW Chip, K & N Air Filter, and B & B Exhaust System with no CAT, Headers, and Muffler, and 964 Grinded CAM. What would be my next step to get more power?


I was also thinking about taking her to be Dynoed, any guess's what the result might be/should be with this setup?!


Thanks!

Zeke 11-04-2010 03:46 PM
Get rid of the K&N?

How about a larger throttle body?

Oh Haha 11-04-2010 03:47 PM
Forced induction.




Seriously, you have done about all that can be done to a NA Porsche.

mholbrook38 11-04-2010 04:08 PM
Driver -- track days and autoX. Get out there and enjoy it.

SAM DACOSTA 11-04-2010 04:21 PM
Quote:
Originally Posted by milt (Post 5655580)
Get rid of the K&N?
How about a larger throttle body?
Why the statement; "Get rid of the K&N." I was under the impression that K&N filters were a good thing. I've had them installed in all my vehicles (Ford F-150, BMW 530i, Land Rover, Boxster and 964) and feel confident in their performance. What am I missing here? :confused:

dw1 11-04-2010 04:23 PM
Either increased displacement or forced induction.

James Brown 11-04-2010 04:46 PM
Look up K&N filters failures and see how much crap gets through these filter, (I have a set on my car) But, they have a great PR program!! Anyway, increasing displacement is a good way to go and, learning how to drive the car fast will help

GaryR 11-04-2010 04:58 PM
Quote:
Originally Posted by James Brown (Post 5655690)
Look up K&N filters failures and see how much crap gets through these filter, (I have a set on my car) But, they have a great PR program!! Anyway, increasing displacement is a good way to go and, learning how to drive the car fast will help
Agree 100%, my shop showed me years ago the grit that got past a K&N filter and i've run nothing but stock filters since.

SAM DACOSTA 11-04-2010 05:14 PM
Quote:
Originally Posted by James Brown (Post 5655690)
Look up K&N filters failures and see how much crap gets through these filter, (I have a set on my car) But, they have a great PR program!! Anyway, increasing displacement is a good way to go and, learning how to drive the car fast will help
I'll be doing this research and speaking with my Ind. Porsche Shop. Thanks for the input and guidance. SmileWavy

aigel 11-04-2010 07:07 PM
Weight loss program on the car and a differential ratio change. Suspension. On the engine / hp side you are maxed out - to get more power from here is big bucks.

Or just get a 993. :)


G

RSM-M491 11-05-2010 03:47 AM
Thanks, suspension is done, but might look in to some weigth loss, and might start by taking the spare tire out?


Rod

Geronimo '74 11-05-2010 03:55 AM
Spare tire, toolkit, carpet, lightweight battery, loose rear seats, loose sound insulation (or go for lightweight insulation) fiberglas bumpers front and rear, GF front fenders, FG decklid, FG hood (or better yet carbon fiber) Makrolon side and rear (well maybe not for a targa) windows, change seats for carbon fiber racing shells, get rid of power windows/mirrors, speakers/sound instalation....
The list is long....

RoninLB 11-05-2010 04:19 AM
Quote:
Originally Posted by aigel (Post 5655977)

differential ratio change. Suspension

have good interstate gears with killer 3rd & 4th

mnmasotto 11-05-2010 06:06 AM
Gears, Gears, Gears
 
Gears, Definitely Gears. Will make a big difference. You do not need the stock gears which allow the car to go in excess of 150MPH. If this is not in the cards then go with more displacement and more aggressive cams. Of note, my 3.6L motor was a much better upgrade than my 3.2L rebuild with more aggressive cams, custom chip, etc.

RSM-M491 11-05-2010 06:30 AM
ANYONE care to take a guess what the numbers on the DYNO might show with my current setup?!


Thanks!

Rod

trader220 11-05-2010 06:46 AM
There would be a bit of an increase over stock but nothing earth shattering

Nine9six 11-05-2010 06:57 AM
Maybe 5% increase...As Trader said, nothing earth shattering. Oh, and +1 on ditching the K&N

RoninLB 11-05-2010 09:14 AM
http://forums.pelicanparts.com/porsche-911-technical-forum/195672-newest-best-transmission-exchange.html





Quote:
Originally Posted by john walker's workshop (Post 1647817)

915 final drive is 3.87
915 1st is 3.18
2nd is 1.83
3rd is 1.26
4th is 0.96
5th is 0.76
(out of the early carrera manual) SC and earlier transmissions may differ a bit.

G50 final drive is 3.44
G50/00 1st is 3.50 (and G50/01)
2nd is 2.059 (and G50/01)
3rd is 1.409 (and G50/01)
4th is 1.074 (G50/01 is 1.125)
5th is 0.861 (G50/01 is 0.889)

1989 G50/00 5th is 0.868 (1989 G50/01 5th is 0.892)


Quote:
Originally Posted by Bill Verburg (Post 1650638)

5:04 11-05-2010 09:26 AM
That's a tough question to answer with out more info. What do you want to do with the car, how much you want to spend, and how much power you want since you've done most of the bolt ons.


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