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Technical => Engine Swapping => Topic started by: 88turbo on February 14, 2011, 05:44:52 PM

Title: TC to 5.0 = no spark?
Post by: 88turbo on February 14, 2011, 05:44:52 PM
I have followed the swap threads and I have known good relays and a known good computer.  what am I missing?  need help badly I want this thing out of my garage :burnout::toilet::bowdown:
Title: TC to 5.0 = no spark?
Post by: Haystack on February 14, 2011, 05:52:21 PM
codes?
Title: TC to 5.0 = no spark?
Post by: 88turbo on February 14, 2011, 05:55:20 PM
never been able to pull codes. not really sure what I am looking for :(  I know I get power to the coil but I havent checked at the distributor, also might be the case that I have a bad ignition module but I am not sure on that.
Title: TC to 5.0 = no spark?
Post by: 88turbo on February 14, 2011, 10:18:41 PM
did I ask a stupid question? I know its probably something stupid that I am overlooking and its really frustrating me :(  any advise?
Title: TC to 5.0 = no spark?
Post by: thewestie on February 14, 2011, 10:22:00 PM
I dont know what you did carbed EFI what computer, MSD?
Title: TC to 5.0 = no spark?
Post by: 88turbo on February 14, 2011, 10:23:19 PM
stock efi conversion.
Title: TC to 5.0 = no spark?
Post by: thewestie on February 14, 2011, 10:29:10 PM
You've checked coil for 12 volts. Power to the computer set distributor at one and timings advanced to 18 degrees?
Title: TC to 5.0 = no spark?
Post by: 88turbo on February 14, 2011, 11:39:59 PM
Not trying to start just checking systems and preparing for start.  I will do some more testing tomorrow.
Title: TC to 5.0 = no spark?
Post by: flylear45 on February 15, 2011, 07:44:09 AM
Need more details to help. This is a 5.0 to TC swap? Or the other way around?

Fill us in a little more and we'll be glad to help.
Title: TC to 5.0 = no spark?
Post by: Chuck W on February 15, 2011, 08:17:14 AM
Quote from: 88turbo;352925
never been able to pull codes. not really sure what I am looking for :(  I know I get power to the coil but I havent checked at the distributor, also might be the c
case that I have a bad ignition module but I am not sure on that.

What do you mean "never been able to pull codes"?  You don't know how, or what?

Also, there is a way to check and see if you're getting communication between the ECU and the TFI, at least it's worked for me.  With the engine OFF and the key in RUN, have the dist hold down loose, and turn the dist a bit either way.  If things are working, you should hear a click and hear the FP prime when the Hall Effect vanes pass the sensor.  This is after the normal start-up prime.  If nothing happens, you're getting no signal from the dist/TFI at least.  You'll need to check and see of you're getting signal from the ECU to the TFI.

Does the FP prime when you first turn the key to run (as normal)?

You mention that you haven't tried to start it yet.
Title: TC to 5.0 = no spark?
Post by: 88turbo on February 15, 2011, 10:14:01 AM
I don't have a pump installed. Waiting for things to dry up so I can pull tank from other car.  And you are righti don't know how to pull codes.  Also turning the distributor should work if things are working properly. I will do some more checking and report back.
Title: TC to 5.0 = no spark?
Post by: 88turbo on February 15, 2011, 10:15:06 AM
Quote from: flylear45;352986
Need more details to help. This is a 5.0 to TC swap? Or the other way around?

Fill us in a little more and we'll be glad to help.

Tc to 5.0 basic swap.
Title: TC to 5.0 = no spark?
Post by: 88turbo on February 15, 2011, 06:45:18 PM
I found the elusive spark!!! turns out I have a bad distributor and the local yard just crushed all of their cars..... :(
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