You have to look for old diaries from retired pros....No newbie or current competitor is going to admit it for it's career suicide!
From bodybuilding.com:
"It was rumored that weight lifters of the day, such as the great middle heavyweight, Bill March (military press, 390 lbs.) and even York head honcho, Bob Hoffman, (270-lbs bent press), experimented with Dianabol and made great gains on 5-15 mg/day. These gains were over and above those induced from the Hoffman Swing bell system, Energol, Ivaton and Protein from the Sea!
In the 1961 - 1965 years, certain west-coast bodybuilders started to stand tall, head and shoulders above the rest, and it had nothing to do with shoe lifts. Neither was it due to Rheo Blair's (Irvin Johnson) Protein, York Functional Isometrics, or Joe Weider's Super Pro 101. While these things helped, no doubt, Dianabol was rapidly becoming the undercover Breakfast of Champions amongst the big boys.
My Own Experiences With D-Bol
Why was Dianabol in particular, and steroids in general, so seductive? I started training in 1962, at age 11-12. No John Grimek, naturally, at the end of seventh grade I weighed all of 105 pounds. After some 15 years of regular training, I was able to get my lifts up to a 420- lb. bench press and 375-lb. clean and jerk -- all naturally. Progress was slow, as it is biologically ordained to be.
To put this in perspective, it took me 4 years to go from a 300 lb. high school senior bench press at 195 lbs. bodyweight, to a 420-lb. college senior bench press, at 260 lbs. body weight, naturally. And then, because I didn't gain any weight (in fact, I lost about 20 lbs. of water weight), from about age 21 to age 27, my bench press never moved beyond 425 lbs. (and that was with six years of painstakingly, regular hard work).
Then, after watching lifters I used to trounce start passing me by, I did a 6-week cycle of Dianabol. The first 3 weeks, I used 10 mg. a day. The second 3 weeks I used 15 mg. per day. My bench press moved to from 420 to 460 lbs. in that six-week period.
My body weight increased 5-10 lbs. I stayed off the drugs for 7 weeks and then I began a second cycle that lasted 7 weeks. The first 4 weeks, I used 15 mg. a day and the last 3 weeks I used 25 mg. a day. My bench press leapt from 460 to 500 pounds. My weight was up another 10 lbs. On two short cycles, I went from 420 to 500 lbs. I could identify no side effects except being in a much better mood, having more energy, transient liver enzyme changes, bigger armpit stretch marks, better recovery and growing out of my shirts.
Breaking it down, from a high school senior to a college senior, over a space of four years, training on protein, milk and filet, I gained some 60 lbs. in body weight and raised my bench press 100 lbs. Then, over a six-year period, without any weight gain, I moved my bench press up about 500 lbs (showing how an increase in strength after a while is most dependent upon body weight increases).
Comparably, on two short cycles of minimal Dianabol use, 15-25 mg./day, in effect, over 13 weeks, my bench press went up 80 pounds! So, 11 years of training natural moved me from a 300-lb. to a 420-lb. bench press and 13 weeks on Dianabol moved me from 420 lbs. to 500 lbs.
Look at it another way. I ultimately bench pressed 580 lbs. in the gym and 556 lbs. earlier in competition at 280 lbs. body weight. In my last workout preparing for a contest, 600-lbs. bench attempt, I unfortunately (or fortunately as the case may be) tore my right pectoral badly--thereby ending my bench press insanity. That was back in 1987.
I figure it this way, at the same body weight, if I had never used steroids, I would have probably bench pressed about 460 lbs. allowing myself that 20-lb. weight gain. So, steroids gave me 20% plus, over my active duration of use.
Just a 10% improvement in a skill activity makes a 64-foot shot-put sail to 70 feet. At 20%, a 2000-lb. natural power-lifting total becomes 2400-lbs. total, and an 18" hard natural biceps becomes 21.6"! This is why steroids can be so damn seductive or even psychologically addictive. "