Regarding 2g Prelude B20A; sadly I didn't have much chance to investigate that option, spotting it days before I was due to fly to Germany for some work, & car was gone when I returned. But the financials of it were not looking good with the costs of buying all the required bits from the wrecker. I'd love a B20 even though I wouldn't expect 160hp from a standard JDM example given the output of the 3g Prelude B20, (& I wonder at its extra long stroke given the CRV B20 was bored rather than stroked from the later B18) I wouldn't get carried away wanting Vtec again either, also having an '89 CR-X SiR B16a... whose torque & gearing are sadly miss-matched with the (fully optioned) weight of the car.
Eventually I bought a complete & running 2g integra with B18 non-vtec (130hp?

) for half the likely cost.
A little more info researched on wheel bearing sizes for alternative hubs
{ I could be wrong}... (with no idea of driveshaft splines/diameters to fit or if those CV-joint ends could be fitted 1g Accord shafts)
1g Accord, early Prelude, Quintet, 1g & 2g Civic wheelbearings
Width : 34 mm (or 2x17mm)
Outer Diameter : 72 mm (hub carrier/knuckle)
Inner Diameter : 35 mm (hub)
2g Accord (non SEi), early 1g Prelude, 2g Prelude 1.8
l
Width : 34 mm
Outer Diameter : 72 mm
Inner Diameter : 35 mm
2g Accord SEi, 2g Prelude 2.0
l
Width : 34 mm
Outer Diameter : 72 mm
Inner Diameter : 38 mm
3g/4g Civic, 1g Integra
Width : 40 mm
Outer Diameter : 72 mm
Inner Diameter : 38 mm
Not sure how well the hubs would fit when intended for 40mm wide bearings compared to the old Accords 34mm.
Dredging older comments in this thread I might as well toss in a picture the wood-grain painted 1g Civic wheel, though I gave it its own thread somewhere too.
And the Accord is currently back on the old Integra/Rover wheels after the (heavy) 15" "HOLO
TYPE -R" tyres wore out & were punctured visiting wreckers...
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