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[Todd....!!]

Hi Fred!,

This is good to know about alum tubing!!

What diameter and wall thickness was the tubin ya used?

Aren't they usually billet rails?  or are the billet rails just show
stuff...

Keep the tidbits coming mang....

I'm learnin, I'm sure others are as well!

LATER!

Todd....!!
-------------

Frederic Breitwieser wrote:
> 
> Greetings,
> 
> After spending most of the morning wandering around two local junkyards,
> I lucked out and found two of the elusive 7749 ECMs, one passed my
> "power up" test, the second one didn't, and the yard I got them from
> said they'd exchange the bad one when they get a wrecked turbo sunbird
> in later today (which means middle of next week to everyone else).  Also
> picked up a 2-bar MAP sensor using GM part numbers as a reference, for
> $15.  It was sitting on a shelf believe it or not, so that piece is
> done.  Coincidentally, the body harness I snagged to give my old beater
> truck power everything (windows, locks, cruise, digital dash) plugs
> right into two of the three underhood ECM harnesses with ease, and I
> have to verify the wiring to ensure I don't have any ground and batt
> leads interconnecting.  At least the connectors fit... moving wires
> around has become quite easy after all the practice I'm getting!
> 
> Sorry for the cross post... so many people have given me help and advice
> I wanted to make sure you all know I appreciate it !!!!
> 
> Oh, and I pressure tested my homemade fuel rails this morning and they
> leak right through the aluminum tubing.  I found that odd.  I know
> aluminum is somewhat porous compared to other metals, but 100psi of air
> pressure on the end of the fuel rail, submerging it into a litter box
> full of water resulted in small bubbles forming on the surface of the
> aluminum.  When the pressure is released, the bubbles appear to receed
> back into the aluminum.  Very odd.  Just thought you'd all get a kick
> out of it.
> 
> ---
> 
> Frederic Breitwieser
> 
> Xephic Technology
> "Leadership in IT"
> Bridgeport, CT 06606
> 
> Web: http://www.xephic.dynip.com
> Voice: (203) 372-2707
> Fax: (603) 372-1147