Ls1 Swap

[dietz4ibanez]

hey guys... im fooled!

 

i swapped the ls1 into my 3rd gen trans am and it ran great last night.....

today i went to crank it up and it started and then just spudderd till it died!

 

now it wont start! im getting fuel and everything is hooked up

so no spark but why?

[dietz4ibanez]

Dont get me wrong it ran fine yesterday!!! Heres the proof!

 

3rd Gen with LS1

[dietz4ibanez]

anybody got anything? I know this is a truck forum but I dont think that there is anyone on HP junkies that knows what they are talking about. Or at least I havent had any good helps yet! I think that it could be the computer...

[Darkanion]

Ok, I'll take a shot or two in the dark here, even though you've probably already tried these things...

 

Since you said it's getting fuel, I'm assuming it's also turning over.. You're just not getting any fire.

 

Since it did fire-up, I'd go back and double-check ALL my electrical connections, especially anything to do with the ignition. Maybe something popped-off or came loose, after you fired it up and killed it last night? (Sorry, "kill" was probably not a good term, considering she won't start right now.)

 

I don't have experience with an LS1 swap out, but I've worked on a few motors, over the years.. When they wouldn't fire, it was usually a loose wire somewhere or connector.. and "usually" one that didn't even "look" loose. Unplugging and replugging usually did the trick, though...

 

All of that said, I'm sure someone else will come along with much better (and more specific) advice, though, after NYE is over and the hangovers have worn off.

[dietz4ibanez]

Kill? uggghhh. haha

 

Nah its all good! Yeah man anything helps, cuase it ran fine and than it didnt. This is something that almost places your mind into shock and you dont know what to do.

[Darkanion]

Yeah, I know what you mean. Just take a few deep breaths, step back, and think about all the basics, before you start looking at expensive and complicated stuff. Let us know how it turns out! I'll keep an eye on this thread, because I'm curious what the solution is.

[Fortune50]

Try to get some info from this site:

http://www.ls1tech.com/forums/forumdisplay.php?f=28

[dietz4ibanez]

Ended up being something as little and stupid as the spark plugs. I mean the engine ran fine before the swamp, same engine, same plugs you would think that they would be fine. But they were all corroded and carbon build up kept them from sparking. Threw some NGK's in the sucker and it ran fine again!

[dietz4ibanez]

Man the car runs good! Thanks for your guys help!