Have you considered doing a 5 stroke?
You have 2 pairs 180 from each other. 1342
#1 ehxsost valve feeds into # 4 intake valve then out to the manifold. Theoretically you should be able to use the same cam. A regrind would help. . New intake/ehxsost and crossover manifolds would be needed . .
Five-Stroke Engine Works and Might Enter Production - autoevolution
This consept has ben put through Proof Of Concept. Useing 2 into 1 for a total of 3 cylinders ,not 1 into 1 totaling 2 cylinders as I'm suggesting.
Dreem big chisel down to reality
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1st gen cummins 91.5 dodge d250 ,HX35W/12/6 QSV
ehxsost manafulld wrap, Aero Tonto
best tank: distance 649gps mi 24.04 mpg 27.011usg
Best mpg : 31.32mpg 100mi 3.193 USG 5/2/20
Former
'83 GMC S-15 Jimmy 2door 2wd O/D auto 3.73R&P
'79 Chevy K20 4X4 350ci 400hp msd custom th400 /np205. 7.5-new 14mpg modded befor modding was a thing
87' Hyundai Excel
83 ranger w/87 2.9 L FI2wd auto 18mpg on the floor
04 Mitsubishi Gallant 2.4L auto 26mpg
06 Subaru Forrester XT(WRX PACKAGE) MT AWD Turbocharged 18 plying dirty best of 26mpg@70mph
95Chevy Blazer 4x4 auto 14-18mpg
04 Chevy Blazer 4x4 auto 16-22mpg
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