bubba_crx

I was wondering what direction a b series (specifically a B17) engine rotated. And what direction a 4AG (specifically a 4-AGZE) rotates. Any info would be very helpful.

jdm602

ccw on the pulley side.

bubba_crx

What about where it goes into the trans... basically I need to know if a b series spins the same way into the trans as a 4ag

PatrickGSR94

iTrader: (1)

No, it does not. Most all engines in cars spin clockwise when viewing the front of the engine (pulley/accessory end), and counter-clockwise when viewing the rear of the engine (transmission end).

Pre-2000 Honda engines are one of the oddballs in the engine world, spinning CCW when looking at the front, CW when looking at the rear. Since 2000, the K-series engine started going into several Honda models, which rotates clockwise like most engines.

So the answer is, B-series engines rotate the opposite direction from 4AG (and all other) Toyota engines and transmissions.

bubba_crx

Thanks for the info... so I take it there is no way to make the b series on a yota trans work.. What honda motors spin clockwise?

Transpoquick

pretty sure the k series spins cw.

Dalon honda

there is a way and i want to figure it out, it has nothing to do with fuel or the motor just timing and starter/adaptor plate. This is not the first time I have seen a b series spin the other direction usually the only problem is finding a tranny to go backwards

Dalon honda

f20 from the s2000 and the j series and the c series spin clock wise

Badweather Jim

Is there any harm in rotating the crank the wrong direction?

PatrickGSR94

iTrader: (1)

The crank by itself? Probably not. But if everything is hooked up then you risk problems like timing jumping teeth on the timing belt, and possible piston/valve interference. The T-belt tensioner pulley will not operate properly if the engine is rotated backwards.