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From 91429962993bk2914
 
Join Date: Sep 2014
Location: Scottsdale, AZ
Posts: 239
If you Start Me Up I'll Never Stop, Never Stop

I may have asked this in the early goings but now it is start up time on the 3.0 now in my 914-6 conversion.

I had Webcam refurb the cams to a 20/21 grind set at 1.9-2.2mm w.1mm lashto address Weber 40's and a recurved stock distributor w/o vacuum advance.

Valve lash is .004 on both I&E / Lift is .485 on Intake and .452 pm Exh / duration on I is .258 degrees and .452 on Exh. /

Maybe too much info but my question now is this: what is the best setup for the innards of the Webers as to jets, venturi's, emulsions tubes, etc for initial start me up? I noted what was in the carbs when I rebuilt them so for comparison, I wonder if anyone out there has experience with a 3.0 SC rebuilt similarlly or close and can give direction on carb set up for the Start Me Up phase so I will Never Stop, never Stop , Never Never Never stop......

Sidebar: I have only seen the Stones twelve times but I am sure they have consumed more fuel (drugs) than all of my Porsche cars combined.. and that is saying something as I have had many over 40+ years of this addiction to fuel....


Old 04-02-2017, 04:09 PM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #1 (permalink)
Registered
 
Join Date: Jul 2001
Location: Portland Oregon
Posts: 7,007
Hi,

I would run:

36mm venturis
155 mains
180 air
55 idle
F26 emulsion tubes (you can also use F3's, but I'd use 150 mains with those).

Remember, you must finalize jetting on a dyno once everything is all adjusted and running smoothly.

30-32 deg total timing should be OK with your 91 octane fuel.
__________________
Steve Weiner
Rennsport Systems
Portland Oregon
(503) 244-0990
porsche@rennsportsystems.com
www.rennsportsystems.com
Old 04-02-2017, 05:39 PM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #2 (permalink)
From 91429962993bk2914
 
Join Date: Sep 2014
Location: Scottsdale, AZ
Posts: 239
Thanks Steve / MUCH appreciated / I will check out your website and see if I can throw some business big or small your way

cheers Forrest


Last edited by Forrestkhaag; 04-03-2017 at 08:53 AM.. Reason: misspelled misspelled and miss Spell misspelled a word
Old 04-03-2017, 08:52 AM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #3 (permalink)
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