D_vision Posted May 6, 2011 Report Share Posted May 6, 2011 long time no talk.....im getting back to my datsuns ans i want to drive one right now so i got a block for my 85 720 (z24) so i could drive it but i have to swap the rear end becasue i btoke it. So i have a l20b w/4speeed and i have a z24/ 5speed and a a14 w/ automatic long story short my goul is a z22 stroker with the 5 speed and a supra 4-link in the 78 b210 but for now i wounder if the becasue the a-14 is straight up and down but still an l head tranny couldnt i put the z24 with the 5 speed and retain the auto drive line in the 210 and drive the b210? Quote Link to comment
ggzilla Posted May 6, 2011 Report Share Posted May 6, 2011 B210 5-speed is *not* an L-series transmission. It is FS5W63A with A-series front cover (bellhousing/front half of the transmissions case). There is an L-series version of the FS5W63A, but they are different transmissions. What you can do is: * get an L-series transmission the same length, which is the 1977-1979 Datsun 200SX 5-speed, and use that behind the Z24. But it tilts incorrectly. * the best choice is to get a 71-series transmission (FS5W71B) the same 'shorty' length. This is from reportedly 83-86 720 Pickup 2WD. It already comes ready for the Z24. * Use the longer 5-speed, and cut/lenghten the tunnel hole in the B210. This is probably most common. The shifter comes out maybe 4" back, but some guys don't mind. Go with the Z24 -- the extra 200cc will make more power than the superior rod/stroke combo of smaller Z22. Use the Datsun 610 crossmember in the B210, it's all a bolt-in job. Quote Link to comment
D_vision Posted May 6, 2011 Author Report Share Posted May 6, 2011 cool thanks cause i actually have a 85 720 wich is where im getting the z24 and the 5 speed my b210 is the a14 automatic so with my poor literal skills you answered my question. thanks the l20b i have with the 4speed i pulled from a 79 4dr 510 i pulled the k member the cross member the pedals brakes everything. other than the obvious do i need to put the brake setup i had on the 510 on the b210 to compensate for the whieght? and is the splines the same from my b210 driveshaft to the 85 2wd 720s 5speed. and what about the cross member from the 510 or the 720 ? iether of those work. again thank you. i have a post lost somewhere in time in datto section for my 78 b210 ill ressurect it and start putting up picks as soon as i tear in to it. Quote Link to comment
ggzilla Posted May 6, 2011 Report Share Posted May 6, 2011 Nope, you do not need to change the brakes. That's a theoretical question where some governments require a modder to updated the brakes to 2011 standards. Here in USA it's fine to use 1978 brakes. > is the splines the same from my b210 [automatic] driveshaft to the 85 2wd 720s 5speed. Yes B210 automatic crossmember should work for the large manual transmission. Quote Link to comment
datzenmike Posted May 6, 2011 Report Share Posted May 6, 2011 long time no talk.....im getting back to my datsuns ans i want to drive one right now so i got a block for my 85 720 (z24) so i could drive it but i have to swap the rear end becasue i btoke it. So i have a l20b w/4speeed and i have a z24/ 5speed and a a14 w/ automatic long story short my goul is a z22 stroker with the 5 speed and a supra 4-link in the 78 b210 but for now i wounder if the becasue the a-14 is straight up and down but still an l head tranny couldnt i put the z24 with the 5 speed and retain the auto drive line in the 210 and drive the b210? Did I get this right? You have the following to work with... A14 with automatic L20B and 4 speed from a '79 510 Z24 and 5 speed from '85 720. Simplest thing is to put the L20B and 4 speed in and drive it. The L20B will have a front sump pan and should be the easiest to fit. Off hand I think the 4 speed is a shorty just like the automatic? Best to measure them both and find out. If they are the same length this is the way to go and the drive shaft may not need to be shortened. The B-210s go pretty good so adding another 20-30 hp will be quite pleasant and not too much of a danger to your stock rear end, whatever you use. If you decide to build an LZ22 later the car will already be ready for it. Rear tranny mount is an unknown without knowing the stock and the intended tranny lengths. The Z24 is a rear sump oil pan and you'll need to get a car pan from a 200sx or an '80-'81 510 for it. The Z24 is 3/4" taller than the L20B so hood clearance may be a factor. Again you would need to measure the length of the 5 speed. If it's a long, then your driveshaft will need shortening. The Z24 is a truck specific motor and was not used in any Nissan cars. It has over 130 ft lbs of torque below 3K RPMs, so it will really pull hard at low speeds. HP is about the same as the L20B but peaks at just over 4K. By no means is it a screamer on the highway but around town should push the little B very pleasantly. Again... rear tranny mount is an unknown without knowing the stock and the intended tranny lengths. Quote Link to comment
ggzilla Posted May 6, 2011 Report Share Posted May 6, 2011 Good point, with the Z24, you will need to upgrade the B210 rear end -- they are easy to blow out. With the L20B the stock rear may last as long as you don't dump the clutch or put slicks on it. If you have an L20B I'd use that. In a 2000 pound car it will fly, faster than an L20B in a Datsun 510. Just remove B210 front and rear bumpers to get it down to 2000 pounds. Quote Link to comment
D_vision Posted May 17, 2011 Author Report Share Posted May 17, 2011 Did I get this right? You have the following to work with... A14 with automatic L20B and 4 speed from a '79 510 Z24 and 5 speed from '85 720. yes and all three cars as well. well i did tear up the 510 i have the cross member the k member struts brakes engine tranny clutch assembly master/slave cylinder's blah blah. so i just got done with my 64 impala so now im goin to pull the b210 arround so im assumon the easiest swap is the l20b w/4speed and leave the truck alone cause i do have a single weber manifold for the l20b tho cool! Quote Link to comment
D_vision Posted May 17, 2011 Author Report Share Posted May 17, 2011 Good point, with the Z24, you will need to upgrade the B210 rear end -- they are easy to blow out. With the L20B the stock rear may last as long as you don't dump the clutch or put slicks on it. If you have an L20B I'd use that. In a 2000 pound car it will fly, faster than an L20B in a Datsun 510. Just remove B210 front and rear bumpers to get it down to 2000 pounds. yeh i already blew out my 720 rear end.(sorry senitive people but i break stuff!) so i plan to go with a supra rear end as soon as i brake it hes gunna help with the custom 4 link i want it low ;) but it would be fun Quote Link to comment
D_vision Posted May 17, 2011 Author Report Share Posted May 17, 2011 Nope, you do not need to change the brakes. That's a theoretical question where some governments require a modder to updated the brakes to 2011 standards. Here in USA it's fine to use 1978 brakes. > is the splines the same from my b210 [automatic] driveshaft to the 85 2wd 720s 5speed. Yes B210 automatic crossmember should work for the large manual transmission. cool thanks i just thought there was somthing different cuase the weight Quote Link to comment
b210in Posted May 19, 2011 Report Share Posted May 19, 2011 i would go with l20b and 4 speed. gives it a more nostalgic look and according to the dudes above it's seems like its a simpler swap. i disaggree with the rear end being too weak. i think it will hold out well specially with the l20b. i have a ca18det with mods and i estimate the power output to be around 200 hp. i have done some nhra style drag launches, burn outs, and really beat the snot out of my stock rear end and daily driven it for a year and to date nothing has gone wrong with it. no weird sounds or parts braekage. but i'm already planning an rx7 rear end swap with lsd because im upgrading to a gt28r garret dual ball bearing turbo which will easily add another 100 hp. i think with the less power of the l20b you should be fine. Quote Link to comment
king bee66 Posted May 19, 2011 Report Share Posted May 19, 2011 thats interesting, how many miles was on the diff before you made the motor swap? Quote Link to comment
b210in Posted May 20, 2011 Report Share Posted May 20, 2011 77 thousand and still holding strong. Quote Link to comment
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