http://www.egauges.com/ has VDO and other gauges.

Stewart Warner has a few 1 1/2" gauges but they are not cheap.

http://www.sw-performance.com/products/products.aspx?productcategoryid=95&ispod=0

__________________
Ron Schroeder
'85 300 Turbo Diesel 2 tank WVO
'83 300 Turbo Diesel 2 tank WVO
Some former WVO vehicles since ~1980:
'83 Mercedes 240D
'80 Audi 4000D
'83 ISUZU Pup
'70 SAAB 99 with Kubota diesel
'76 Honda Civic with Kubota diesel
'86 Golf
Several diesel generators
All with 2 tank WVO conversion
LI NY