Just wondering if you guys think a Chassis Dyno is worth it. Local one around me charges $90 for 1 warm up pull and 2 power pulls, plus $15 for each additional pull.

I go to the track a good amount but have found tuning the timing curve and jetting is hard cause I'm either bracket racing and can't do it or the track is mobbed with 150+ cars and I have to wait an hour or more between runs making my changes hard to compare cause at the time of the day/night the track is 7-10 there are just so many weather changes occuring. So what do you guys think?

Car is currently running box stock jetting on the Holley with a xs268 cam, runs 13.7s @100.Xmph.

You'll never know until you try. I found a lot of benefit in tuning my Chevelle on the dyno. I did 30+ pulls about 1,000 miles after completely rebuilding my car/engine. I wanted to get everything dialed in, and I did just that.

That's not a bad price. Just keep in mind that the real dyno is the drag strip. Many people are unaware that even though a car was tuned for peak power on a dyno will find they need to tune differently for the dragstrip.

Thats true, but the dyno will let you get pretty darn close before you hit the lanes. I think $90 is a bit pricey but it might be just what you need.

Besides, it's neat to be able to have a real masure of what kind of power you're laying to the pavement.

Thats true, but the dyno will let you get pretty darn close before you hit the lanes. I think $90 is a bit pricey but it might be just what you need.

Besides, it's neat to be able to have a real masure of what kind of power you're laying to the pavement.

If your planning on just putting the car on for a couple pulls, then I myself feel that's a waste of $$$.

Now, if you intend to make pulls and actually do some tuning and tweaking of the tuneup, then that is definately worth the time and $$$.

For folks that don't go to the track but a couple times a year, it's real difficult to dial in the tuneup with so few passes. Dyno tuning is well worth the $$$ as it will allow you to maximize the combo in a much shorter period of time. Also the conditions on the dyno are pretty much controlled so you can get a very accurate data base of what changes help and which do not. With track tuning, you would have many more variables which may make it more difficult to tell if a change was a help or not.

hey fella's.... i gotta question while on this subject... if my new motor dyno's around 500-550RWHP (600+ at flywheel) on the dyno would it rip my munci apart? there's really no "SHOCK" to the tranny on the dyno, but i don't wanna check my actual HP if it's going to destroy my new munci M20....

Originally posted by chev-hell:
hey fella's.... i gotta question while on this subject... if my new motor dyno's around 500-550RWHP (600+ at flywheel) on the dyno would it rip my munci apart? there's really no "SHOCK" to the tranny on the dyno, but i don't wanna check my actual HP if it's going to destroy my new munci M20.... When did you plan to swap out the transmission for a stronger one?

probably never.. LOL, if i make a lotta $ in the next few months then i'll spring for the tremec 600, but not for a while... if ever..

I agree 90 seems a little pricey. But hey go for it! I think its like a amusement park ride, It's fun for the first couple times. You get a piece of paper to show your friends. :D

It's a good tuning aid. Doesn't really "prove" anything, or "predict" much; but it's great for seeing things like when you should shift based on the engine's torque curve, and the effects of engine changes if the conditions (weather, air density, etc.) are the same.