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914World.com _ 914World Garage _ NYC area shop needed with "bench setup"

Posted by: ptravnic May 29 2006, 06:11 PM

So I've been chasing my tail for a couple years and can't seem to get an optimally tuned engine. The FI worked perfect (as perfect as a 30yr old FI can) before the rebuild.

I've read (Paul Anders writeups) that because I changed Cams (Webcam 73 grind) the MPS will likely need tuned.

I can get the car driveable but get some pinging in mid range (3200) rpm range in the higher gears but the pinging does stop if I floor it. I'm running premium gas w/octane boost but that has not eliminated the problem.

What should the fuel pressure be with this setup?

Anyone know of a shop with a proper bench setup that can dial in the MPS using either a DYNO or another method?

Any/all leads are appreciated.

-Pete

Posted by: solex May 29 2006, 06:21 PM

Pete,
Check the search engine a couple of weeks ago some one posted a question about porsche shops in the nyc area. I know of at lest two really good shops here on long island (names and contacts are in the previous post)
Dan

Posted by: ptravnic May 29 2006, 07:17 PM

Thx Dan.

Rich (nycchef) had that thread going. He's tried a couple and I'm just trying to find specifically a shop w/a bench setup and/or a Dyno.

-pt

Posted by: porschenut May 29 2006, 07:26 PM

Get a WB O2 sensor with data logging, you will find the issue yourself.
Regarding the fuel pressure I ran about 36 with a similar setup, also had about 300 ohms additional resistance in the head temp sensor

Posted by: TimT May 29 2006, 07:29 PM

We have a dyno, WB02, etc...

can we fix problems with 30 yo parts .... maybe..

Posted by: ptravnic May 29 2006, 07:44 PM

Tim - You've got my attention.

I'm sending you a PM.

-pt

Posted by: turboman808 May 29 2006, 09:24 PM

Get one of these and have fun!!!

IPB Image

I wonder if this would work on an older porsche? I bet it would.