Will there be a extreme difference in feel or just a small increase in overall power? In a drag race, how mich faster should it be.
Thanks,

 

Every 720 is different - however I rode ThePunisher's 720 (Which is somewhat of a hybrid of two engine builders - the only one worth mentioning is TVI) and it will smoke a stock or piped DS. Annihilator has a 720 also (I don't know what the differences are between these two) and it would pull away from ThePunisher's 720 pretty good on Saturday. If you want a good amount of extra power, it seems the new -reliable- 720 kits should be a good way to go. I have no clue what kind of costs you are looking at for the entire rig though. Be sure to do it all at once though, if you try to part it out it'll cost you double when you start replacing parts you've already bought.

 

the difference is night and day.

 

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mine is piped, jetted, and tuned, and when i "race" sandman 430, i usually have to turn out cuz i don't like the taste of sand