I am running a 408 with a F1R procharger with 20lbs of boost, 116 octane fuel, autolite ar123 plugs, what should I set the gap on the plugs.

 

Anything at or below .032 and you should be fine.

 

 

dont be afraid to tighten them up to .025,you wont lose any power by making them tighter,i run mine at .016

 

Even at the 35#'s of boost in your sig, did you really need to tighten the gap THAT much to keep from blowing out spark?

 

I ain't going to tell him he's wrong looking at his sig, lol, but half the gap of the norm seems extreme but what do I know I was going to run mine at .032 unless someone tells me otherwise.

 

I run tr-6s and I have mine at .030.....good luck.....

 

So you know exactly whats in my engine-dont know how you can tell me that i dont need that gap when you dont know what i have,i run way more than 35 psi at the track-thats just what i run it to on the dyno+i have a bunch of compression
all i was saying is the tighter gap wont hurt

 

Is there a point at which the gap is too small?

 

I run "TR7"s at .025"

 

I was asking a question out of curiosity, NOT making a statement about your engine combo. Don't be so defensive when no one is attacking. Sorry if my post sounded like something other than a legit question.

 

sorry about that,i did misread what you wrote,i've been sick too-makes me bitchy-sorry again

 

since were on plugs, i would like to get a starting plug for my setup-after 40 years of s/b's, b/b's i am in future shock with a gen 3-lol
i have a 6.0 lq4, 9.2 wiseco pistons, using the stock tweaked 317 heads, z06 cam, carb'ed blowthru with a disc, prob around 10 lbs boost, vette setup with 8 rib, in a 69 chevelle
i would like to run an autolite, just need a good starting heat range-the plugs look diff that earlier gen 1's, so i guess its like everything else there a whole new ballgame also-thanks
i know my combo leaves some power on the table, but once i am up and running, then i will make changes-trying to build the car and the engine kills a lot of time (and yes i have a lot of experience with blowthrus and carbs)

 

we run .017 to .025 over 20 psi to make sure they light...