Papi Slicc Posted January 17, 2015 Report Share Posted January 17, 2015 Hey yall it's me again with probably another question that has been asked a 1,000 times but here it goes. I think I've finally found my dime but it's a 4spd and don't ask me why but I'd like to have it converted to a 5spd. Is that possible and what would be needed to do the job and roughly how much would the damage be? Oh the reason this is such a big dilemma is because again I live in Canada where it's damn near impossible to find a 510, so I'm really hoping to pick this one up so that I can avoid having to deal with shipping one in from outside my country if at all possible. Quote Link to comment
laotsu Posted January 17, 2015 Report Share Posted January 17, 2015 do the research cause this is one of the most commonly asked questions on here in essence any L series tranny will fit any L series motor you may have to have the driveshaft altered in length you may need a modified or custom tranny mount most common for you 510 guys is a 280Zx five speed a "dogleg" five from an early 200sx will also fit 1 Quote Link to comment
laotsu Posted January 17, 2015 Report Share Posted January 17, 2015 http://community.ratsun.net/topic/28473-how-to-put-together-a-shortshaft-5-speed-for-a-l20b/?hl=%2Bfive+%2Bspeed 1 Quote Link to comment
Papi Slicc Posted January 17, 2015 Author Report Share Posted January 17, 2015 Ok thanks don't feed me, really appreciate the info. Quote Link to comment
datzenmike Posted January 17, 2015 Report Share Posted January 17, 2015 There are at least 4 Nissan 5 speeds that will bolt to your dime but some are a 'why would you want to'. Hands down easiest is the FS5W63A '77-'79 S10 (200sx) 5 speed AKA the 'dogleg' because of it's Reverse above first shift pattern and funny shift into second. It has exactly the same 1-4 gears as your 510 but with a 15% overdrive 5th. It's also the same length so the drive shaft will fit and the speedometer cable is on the same side. Only the transmission mount needs modification to bolt in. The down side is these transmissions are rare. (only in the S10 and an even rarer option on the early A10) Add to this they are adequately strong enough for the L20B and are 45 years old and well worn by now. For light duty L16 to L20B engine use get it rebuilt first. The best would be the FS5W71B designed to handle a 170hp 280z car and also rugged enough for use in the 620 and later 720 trucks. Strong enough for three L16 engines the FS5W71B was used in the 280z, 280zx, 620 truck, the 810/Maxima and first year 720 so there are lots of them out there. If you include all non L series vehicles, it was also used on the S110 and S12 (200sx) and the Z series gas and diesel engine 720s. That's a lot of spare parts should you need them later. For this you will need to shorten your driveshaft unless you go with the http://community.rat...hl=+five +speed (above) Burlington? 1 Quote Link to comment
Draker Posted January 17, 2015 Report Share Posted January 17, 2015 Get a 720 short tranny. Swap front case.. short 5 speed created. Even with a dogleg you will either need to make spacers to drop the tranny or in my case I had to buy a new rear crossmember because the mount holes wouldnt line up. Lots of 5 speed options. I'm not a big fan of hacking up the body.. then shortening the driveline. It's definitely an option though. 1 Quote Link to comment
Papi Slicc Posted January 18, 2015 Author Report Share Posted January 18, 2015 Thanks Datzenmike and Draker I will be sure to make very good use of all the info. Quick question though are transmissions you guys mentioned compatible with the SR20DET engine? Quote Link to comment
laotsu Posted January 18, 2015 Report Share Posted January 18, 2015 . Quick question though are transmissions you guys mentioned compatible with the SR20DET engine? no 1 Quote Link to comment
datzenmike Posted January 18, 2015 Report Share Posted January 18, 2015 The RWD SR is an import engine, they never came here. You will need an import SR transmission or an SR engine that already has one on it. 1 Quote Link to comment
Papi Slicc Posted January 21, 2015 Author Report Share Posted January 21, 2015 Ok thanks again guys :thumbup: Quote Link to comment
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