Mercury Snowmobiles Discussion Board

1000 feet is pretty far head to head with an SRX. We raced the S/T 20+ years ago and that engine should keep climbing on the tech. We ran 750 ft back in the day and would be completely shifted out at 60-70 feet. The engine would take it from there and cross the line @ 10k+ and still be pulling. I kn...

What is the stock carb configuration for 75 s/t 440 Free-Air and carb size?

Did these carbs have an adjustable high speed knob on the bowl?

Thanks

Why is everyone so down on the cat clutches? We dragged a 76 st 250-340-440 for years and loved them. You just need to keep them clean and replace the center bushings when they start showing wear. They can't be that bad we mad the finals at the world series running them. Just my 2 cents.

<font size="6"></font id="size6">!!!!!!SOLD!!!!!! 1976 Sno Twister 340 Mod Stock drag sled with original cover, original owers manual and a complete set of merc tipster sheets for 250 - 440. This sled has a Tom Marks prepaired engine. Tom was the Kohler engine guru back in the da...

Has anyone put a 76 st on a dyno? I am interested in the power output. I was told that the 76 st was making a bit over 100 hp.

jm

jm