Guest DatsuNoob Posted July 24, 2009 Report Share Posted July 24, 2009 (edited) Put the KA in the 620 yesterday for a mock-up and things didnt quite end up like I thought they would. The Frontier KA swap seems like a ratsun first, (atleast I havent seen anything documented on it yet) uncharted territory as Zuum510 says, but I thought I'd ask anyway. When the motor is in, it's nearly all the way against the firewall, and the aft end of the DL is nearly a full inch shy of mating up to the diff. I used a ZX 5 speed, so I was expecting to have no problems with relocation of anything (speedo cable, mounts, DL, etc). A 521 driveline proved to be a couple inches longer, but I must say I feel a little sketchy on using one since they look a bit weak at the tapered, splined section, that mates up to the other half of the driveline. A bit more torque is going to be applied here compared to the stock motor from 1970, so I think that would be the weak point. My question is, does anyone see a problem running a KA against the design of a 521 DL, or should I just go get a 1 piece made? Then instead of changing the pinion angle at the carrier bearing, I'll need to add shims at the rear end, right? Any reccomendations on where to get some driveline work done right for fairly cheap? Any ideas here would be great, thanks. Edited July 24, 2009 by DatsuNoob Quote Link to comment
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