plug reading

[doorjammer]

hi guys
need to know what you think......I have a ZZ4 350/355 i check the
plugs today.....the porcelain is off white the ground strap at the top is a
lite green color no oil on plugs. do you think i need to back off the timeing a
little.... timeing inital 12 total 34

ZZ4 350/355
intake power plus open plain
demon 750
edelbrock rpm heads 202/160 64cc
crane hydraulic roller 234/242 adv duration 296/304 lift 539/55
1.5 roller tips
msd distrbutor no vacuum advance.................thanks....Butch

[topsportsman1]

Any pictures of the spark plugs?? Hard to say from here

[chevguy65]

Butch my friend...good to see you post.

Like Tom said, post a pic of your plug....these guys will tell you exactly what you need to do, and what is going on with your plugs.

[doorjammer]

http://img175.imagevenue.com/loc479/th_41355_spark720plug520reading6204_122_479lo.jpg this is something like my plug the porcelain
and ground are like mine ......mine are not BLACK like this one

[topsportsman1]

Doesn't look to aweful bad,but I got a question? Why are you running a power tip spark plug?

Is this a strickly strip engine? Or do you run this on the street too?

[doorjammer]

street car autolite 104 plugs

[topsportsman1]

I think the plugs look fine for what you are doing with it, I wouldn't touch a thing 8)

[doorjammer]

ok tom......thanks.......Butch