This is Joe Cali's Web site for the Type 4 conversion
http://www.nextgen-usa.com/
And also check out Nate photos
http://www.aircooledtech.com/type4_upright_conversion/
As for Jake Raby he can be found here
http://www.aircooledtechnology.com/
Loads of reading on the type 4rum for this conversion as well
Cheers
Jeremy