Originally Posted by 5.slow
Thanks, I'm new here but I'm trying to get through the list of first mods on my 91 lx. I have 1 5/8 summit short headers and flowmaster cat backs. Cai is on and just put in 3.73 gears. Just need a better mid pipe and should I advance the timing or not?
Sure, you can pick up a few hp that way.
The range is usually between 12-16 degrees advance.
You will have to see how much your car can stand before it pings or spark knocks.
Don't forget to pull the spout connector when you advance the timing and replace it when you are done.