That depends on your speeds: are you under 80MPH? My 'best' track (hillclimb) box is a 3.8 box with a lowered 3rd gear. However, it's a long step up to 4th gear...
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aka VWCOOL
'56 Cal Oval with IRS and a 1916
'68 Country Buggy.
'76 fuel injected Cabriolet
..and a good ol' Aussie V8
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