Hal Canode race cars builds one bad funny car chassis.  
Whether you are going full funny-car, or racing as an altered, the chassis is very similar.

Do not settle to be in some old worn out chassis that does not fit,
Get a brand new car built around you, the driver, and drive in comfort.
Hal specializes in chassis for odd sized drivers.
(This Hal funny car was built for a 6'6", 270 lb guy)

You WILL see the difference.