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PCA Member since 1988
Join Date: Feb 2018
Location: SW Washington State
Posts: 4,646
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My 1974 915 has about 25,000 miles since last refresh. At that time, the lower gear synchro cones were replaced. Upper gears have always shifted pretty well (for a 915), but I've always had difficulty with the 2 to 1 shift, especially if I already came to a stop. I had Swepco in it for the first 15,000 miles after refresh, but changed to Valvoline because I couldn't get the Swepco in the short time I needed it, so Valvoline for the last 10,000 miles. Valvoline shifts about the same as Swepco in my box, but I'll give the Kendall a try too.
Because of the 2-1 balkiness, I started double clutching the lower downshifts. I never had to do this with American iron from the 1950's onward.
I guess it's part of the "charm".
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1973.5 911T with RoW 1980 SC CIS stroked to 3.2, 10:1 Mahle Sport p/c's, TBC exhaust ports, M1 cams, SSI's. RSR bushings & adj spring plates, Koni Sports, 21/26mm T-bars, stock swaybars, 16x7 Fuchs w Michelin Pilot Sport A/S 3+, 205/55-16 at all 4 corners.
Cars are for driving. If you want art, get something you can hang on the wall!
Last edited by PeteKz; 01-14-2024 at 09:41 PM..
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