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PCA Member since 1988
Join Date: Feb 2018
Location: SW Washington State
Posts: 4,638
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Congrats on getting the 3.0. See my signature line. I run an SC engine I built to a long stroke 3.2 in my 1973T. "There's no replacement for displacement."
Tranny: Since you want to go big, get a 915. No brainer. I further recommend that you get one with an 8:31 R&P. In a light car with lots of torque, that makes 1st gear useable for more than just getting started uphill, and it makes 5th a reasonable highway gear.
Engine: since you think you will eventually build it into a 3.2, you will end up with different pistons, and therefore different cams, and therefore different induction. I would not do anything inside the engine now. If it runs, install and drive it. Keep the CIS (I practice what I preach, and remember that the turbo engines kept CIS up to 1990). It's simple and it works well on the SC engine. AFTER you have some experience with the car and engine, then decide on your next steps.
LOTS of options for suspension, and those are mostly going to depend on your intended use and personal preferences. Go look at those threads, particularly recommendations from Bill Verberg and Ian Carpenter.
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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; 04-25-2023 at 01:49 PM..
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