Search found 20 matches

by speedmerchant
Sun Apr 11, 2010 1:33 am
Forum: Operation
Topic: "Could not open port"
Replies: 1
Views: 2441

"Could not open port"

This is what I see at the bottom of my program screen. Here are my computer specs. Sony F630 laptop (2000) with serial port. Upgraded to Windows XP but the old Windows ME is still on the "C" drive. The only other program I have on this computer that might be using the serial port is for In...
by speedmerchant
Thu Apr 08, 2010 3:44 am
Forum: Operation
Topic: Understanding kPa
Replies: 6
Views: 6471

If I had a 12 year old I am sure I would be solving this qucker! :D What I need to learn is under normal driving conditions, stop, go, cruise what will be the manifold pressures I will be dealing with. The boost seems like the easy part.

Best,

Jeff
by speedmerchant
Tue Apr 06, 2010 4:09 pm
Forum: Operation
Topic: Understanding kPa
Replies: 6
Views: 6471

I think I am starting to wrap my head around it. Never really had to consider what the vacuum canister was doing but now I do. My car has vacuum advance and boost retard for the canister along with mechanical advance. The centrifugal advance numbers are listed in my repair manual, however not so for...
by speedmerchant
Mon Apr 05, 2010 1:28 am
Forum: Operation
Topic: Understanding kPa
Replies: 6
Views: 6471

Understanding kPa

Hello, Newbie here who is about to do some mapping and needs to understand the relationship of kPa to vacuum and pressure. With vacuum you have units in in/hg and pressure psi. Is there a simple way of understanding the conversion? I look at the kPa numbers on maps and have no idea as if I am lookin...
by speedmerchant
Mon Apr 05, 2010 12:36 am
Forum: Ignition Map Library
Topic: Create starter map from factory manual specs
Replies: 18
Views: 37326

That is really cool and helpful. My car is a turbo, what would it take to modify the spreadsheet.

Best,

Jeff