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| Performance Modifications and Other Conversations This is a place where we can have real, honest discussions about all things performance related. Whether it's power adders, engine parts, configurations, injectors, tuning, or whatever else you can thing of, let's talk about it! |
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#2
Sat, July 2nd, 2022, 11:50 PM
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Just to throw some numbers out there since math is fun....
FE deck height - 10.170" 360 Rod length - 5.540" 1/2 stroke length - 1.750" Piston compression height - 1.760" Deck clearance - 0.120" in the hole. GARBAGE! Unfortunately, most blocks (this one is no exception) need more than a 0.010" overbore for wear which puts a guy out of the realm of using a 352 piston since the largest size available is 4.060" and the 360 starts at a 4.050" bore stock. A 352 would be fine with me as the compression height of the piston is higher, affording a better quench and higher compression (1.816 CH). This WOULD get deck clearance to about 0.060" or so. BETTER....... What is Cody the mad hatter doing? Getting Dodge 340 pistons, that's what. Certain years had floating wrist pins (like the FE) and I SHOULD be able to go an extra 0.009" on the small end bushing. If there's no balancing problems due to weight, I'll have a 0.030" overbore (4.080") with 0.040" oversize 340 pistons.....and the best part....a 0.050" deck clearance. The static compression ratio will go from about 7.85:1 to almost 9.0:1 with much better quench and I can get away with a more "sporty" cam and not completely kill the cylinder pressure.
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Tuning, PCM flashing, and burning chips for 7.3s since 2008. Repairing all aspects of 7.3L Powerstrokes for 25 years. Eight 7.3L PSDs in the driveway including a 1994 Crown Vic and 1973 F100/2002 F350. Looking for the next victim. 
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