This may be a dumb question, but are there any issues with using a newer
(2005) 5.3 to use for a carb swap? Do these have a 24X or 58X crank trigger? I was just wondering so I know what MSD box to get. Either the 6010 or 6012?

Also, any issues bolting these up to a 700r4? I know the older ones you need a crank spacer or something of that nature, is it the same with the 05's? Just confused on these issues; if anyone could clear up these questions I'd greatly appreciate it.

 

Should be the 6010 with a crank spacer, the stock flex plate might have the spacer built in i think.

 

Is there any way to verify what tooth crank trigger it has by any marking on the engine? I read something about seeing what computer it used by a number on or near the map sensor, and this will tell the tale. Is there any truth in this?

 

The 24x has a black crank sensor and the 58x has a gray sensor. Or you could pull the sensor and look for a symetrical reluctor (58x) or asymetrical (24x).

 

Well, i know what the 24 looks like, so a 54 would look funny to me with more teeth.

 

Thanks fellas. I'd rather ask now than be hurtin' later...

 

easiest way to find out is to pull crank sensor and see which it is

 

no spacer needed for the 700r4 to bolt up... and all 5.3 are 24x so msd 6010!

 

No newer 5.3 are 58x?