In all likelihood, you WILL have serious detonation issues. You could drop a full point and still have detonation issues.
With iron heads, 10:1 compression should be your limit....although other people "in the know" may tell you differently....but it won't be their car that runs like crap and crushes all of your hopes and dreams. It happens....more than it should.
Personally, I'd stay in the 9.5 to 9.8 range and end up with a nice running, reliable motor...with real world timing.
Why cut off your nose to spite your face to gain a few tenths....especially if you're a street car? Motors that are constantly broken and run poorly are less fun then getting a root canal w/o novacaine.....every day.
Again, that's just my opinion.
With iron heads, 10:1 compression should be your limit....although other people "in the know" may tell you differently....but it won't be their car that runs like crap and crushes all of your hopes and dreams. It happens....more than it should.
Personally, I'd stay in the 9.5 to 9.8 range and end up with a nice running, reliable motor...with real world timing.
Why cut off your nose to spite your face to gain a few tenths....especially if you're a street car? Motors that are constantly broken and run poorly are less fun then getting a root canal w/o novacaine.....every day.
Again, that's just my opinion.