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PCA Member since 1988
Join Date: Feb 2018
Location: SW Washington State
Posts: 4,380
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Valves: Unless it's been a lot of miles since you last adjusted the valves, they won't have changed just from sitting. Leave 'em alone.
Oil change: Oil doesn't deteriorate from just sitting either. The recommendation for changing the oil at least every year comes from concern that you have moisture building up in the engine from non use, or worse, short runs where the oil does not get hot enough to evaporate out the moisture. Solution: drive the car more.
Fuel and filter: This is more likely to cause problems from non-use. If you use ethanol-contaminated fuel, then drive the car often enough to use up the tank and refill it with fresh several times a year. Or use non-ethanol fuel, which will stay stable for a year or more. The filters are long-life types, and IIRC, recommended change is 15,000 miles. Or maybe 30,000 (someone who knows Carreras hop in here). But, like the other stuff, time is immaterial, and usage is what counts. Don't change it just because it's been a year since the last one.
Disservice: You're doing the car a disservice by not driving it more. Go drive the snot out of it for a couple hours
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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; 10-09-2023 at 12:12 AM..
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