Have a look at http://www.peachparts.com/shopforum/showthread.php?p=1890896#post1890896

Should be 12" at VCV. but 11 is fine.

Adjust the VCV on the side of the IP (pull it forward to make softer shifts). There's 2 bolts - one above and one below, size 10mm.

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1983 240D Silver/Blue "Sadie", unknown miles. 100k miles on WVO single tank, converted to 2 tank about 10k miles ago, FPHE, Injector Heaters, Aux Fuel pump. Alcohol/Water injection. Frantz oil bypass filter
1992 300D 2.5 Turbo Green/Tan "Jade" 267K miles Stock.
1992 300D 2.5 tan/tan "Rocky" on 2 tank WVO. Pressure actuated Turbo "rat's nest" surgery completed. 197k miles