90's Chevy 350

Asked by Mar 07, 2016 at 09:18 AM about the Chevrolet C/K 2500

Question type: Car Customization

Hi I have a 1991 Chevy 350 block and everything else is
1998 Chevy 350 vortec and I'm getting no spark at I have
replaced everything eclectic related except the computer
and the wire harness but everything gets power but not
throwing a spark there has to be something I'm missing
any ideas?

4 Answers

78,065

What year is the Vortec set-up, what is it off of? and what year is the 350 block?

78,065

Oh, 1991 block. But still need to know what the Vortec stuff is off of. And did you put the OBDII computer in to run the Vortec set-up?

It is a 1998 Chevy k2500 and yes the computer is still hooked up

78,065

Ok, so you put the 1991 block into your 1998 truck and just changed the top of the motor, over to the 1991 block. Which means the computer and all the sensors, heads, intake, (top of the motor) is what came in that truck? and you say you changed everything electrical. I would just start going down the list of what to check, but if everything has be replaced...about the only thing I can think of is to check to make sure you are getting 12V to the coil.

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