inline6 Posted November 15, 2015 Author Share Posted November 15, 2015 (edited) 90mm bore, 90mm stroke, 11:1 compression with a flat top piston and a P90 head...3.4L. These are the exact specs I have been investigating as of late - with 6" rods. Ends up being a 3.5L. Though, we are thinking of having custom liners (press fit) with o-rings made - the LD28 block will be machined to fit. As a next step, either an LD28 block, if I can find one near my engine builder, or my "holed" N42 will get some test machining... I may still have to go with a standard deck height engine, but at least I have a good N42 that will take 89 mm bore (possibly a 90 mm also) without issues on hand. Rod gets much shorter if I have to go that route. Billet crank will be procured regardless of final direction. Edited November 15, 2015 by inline6 Quote Link to comment Share on other sites More sharing options...
roger280zx Posted November 15, 2015 Share Posted November 15, 2015 According to the math 90x90 is 3.435, whether it has a 6.00 rod or a 60.00 rod it is 3.435 liters. Quote Link to comment Share on other sites More sharing options...
Rob L Posted November 15, 2015 Share Posted November 15, 2015 The z in this video claims to be a rebello 3.2 and it sounds insane . https://m.youtube.com/watch?v=WBLOAR0JfSc Quote Link to comment Share on other sites More sharing options...
inline6 Posted November 15, 2015 Author Share Posted November 15, 2015 (edited) According to the math 90x90 is 3.435, whether it has a 6.00 rod or a 60.00 rod it is 3.435 liters. My bad - I recalled the wrong info from my spreadsheet. You'd have to bump the bore to 91 to get to 3.512 liters, which may be possible (with ductile iron liners). I think 90 is more doable, when looking at bore spacing info: Edited November 15, 2015 by inline6 Quote Link to comment Share on other sites More sharing options...
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