only90s

I was going to run Autolite 23s with my set up gapped at .035

Sound good or should I run 24s

Compression 9:1
Boost 10lbs
No intercooler and methanol injection has been postponed for now

samseed101

You should be fine with 24s

PRO50SC

No cooler? I would and do run 23's gapped @ .030 and that's intercooled.

five0fm

whats the difference between 23 and 24? what does it mean

PRO50SC

It's the stock # of the particular plugs and in this case alse depicts the heat range.

http://www.ngksparkplugs.com/techinf...s/techtips.asp

SSKiller

A stock plug is a 25. The lower the number on the Autolite's for our application means the plugs are colder.

ome cars require a hot plug. This type of plug is designed with a ceramic insert that has a smaller contact area with the metal part of the plug. This reduces the heat transfer from the ceramic, making it run hotter and thus burn away more deposits. Cold plugs are designed with more contact area, so they run cooler.
The difference between a "hot" and a "cold" spark plug is in the shape of the ceramic tip.
The carmaker will select the right temperature plug for each car. Some cars with high-performance engines naturally generate more heat, so they need colder plugs. If the spark plug gets too hot, it could ignite the fuel before the spark fires; so it is important to stick with the right type of plug for your car.

I would do what PRO said.

five0fm

so you should gap the colder plugs smaller (.030)isnt the stock gap .054

PRO50SC

On a blower car, a larger gap can produce something called blow out. this is when the force of the air rushing into the combustion chamber is so great, it can actually put out the spark. The longer the gap for the spark, the weaker the spark is. That's the reason for the smaller gaps on a blower car.

mnile9127

I have 3924's gapped at .040.I had 23's at .035, but they didnt work out too
good. I dont have to worry about blow out, MSD takes care off that.