Here is a rundown on my 63's como:
I use a 1970 440 thats .030 over (446) with the stock bottom end that I installed .030 over KB quench dome pistons that gives me 10.0 comp using my 906 heads I ported and a nice .042 quench so it runs great even on 92 pump.
I used the MP .557 cam I installed on a 104 centerline and it has Isky ductile iron rockers.
It has the Holley Street Dominator intake with a 850DP.
I use a Mallory dist I got real cheap and the MP orange ECU.
Hedman 1-3/4 headers and 3" pipes with Dyno-Max Ultra-Flow mufflers.
I built the 727 basically stock and have TA reverse manual V/B with a 9.5 Dynamic convertor.
8-3/4 with 4.30's and I use Hoosier QTP 29 x 11.5 tires.
I still have the stock leaf springs with air shocks as the body is all stock.
I actually installed the 6 point rollbar before I had ever raced it as I wanted to strenthen the car up more then just the frame connectors I installed and the 6 point bar really helped strenthen the car. I built the car looking for high 11's so when it ran 11.52 @ 116 the last time out I was more then pleased.
I feel it has at least 11.40's in it with some tuning and now I wont have to worry about any hassle from the track having the roll bar.
Alot of guys kept telling me to put a cage in it but this is a 99% street car that I have to get in and out of alot and I want to keep the car as close to a stock body as I can so all I wanted is the 6 point bar which works great. I can run as fast as 10.0's like this and I dont have any plans to ever go faster then that with the car as it will always be a driver street car.
I broke an axle gear tooth the last timem out so I installed a Detroit Locker and I can't wait to get out and try it. When it hooks hard it will get air under the left front wheel.
So far my best is 11.52 @ 116.84 with a best sixty of 1.58 but it was a 1.61 on the 11.52 as it spun a bit on that run.
I love driving the car as much as racing it and driving to the track is really alot of fun as after racing I just pump the Hoosier's up to about 30 psi and then drive home .

Ron