chebetio510 Posted July 19, 2012 Report Share Posted July 19, 2012 I picked up a roadster clutch at the eagle rock swap meet . I had one on my old 510 with l18. Took my clutch out and the clutch is noticeably smaller than original and won't mount on my l18 flywheel . Is there a difference? Quote Link to comment
banzai510(hainz) Posted July 19, 2012 Report Share Posted July 19, 2012 L20 trucks had 225mm flywheels L20 cars had 200mm flyywheel Roadsters are 200mm L20 cranks are 6 bolt L16/18 5 bolt Better ask what you want to do before you do it. Youll need to swap out to the 510 T/O bearing collar also along with the bearing when doing 200mm Roadster importrp.com has Daiken 225mm stage one clutches if needed. Quote Link to comment
chebetio510 Posted July 19, 2012 Author Report Share Posted July 19, 2012 Well my truck has the l18 5bolt flywheel. Using stock clutch. By the looks of it I might have to get a 510 flywheel to fit this roadster clutch. Quote Link to comment
datsunaholic Posted July 19, 2012 Report Share Posted July 19, 2012 L18 trucks had the extremely rare 5-bolt, 225mm flywheel. Roadster clutches (and stock 510 clutches) were 200mm. Quote Link to comment
chebetio510 Posted July 19, 2012 Author Report Share Posted July 19, 2012 wow.. that would make sense.. so any other clutch options from something newer? would that mean a z clutch fits? something newer wit more pressure like the roadster provides Quote Link to comment
banzai510(hainz) Posted July 19, 2012 Report Share Posted July 19, 2012 since you have a L18motor and want to run the Roadster Pressure Plate You need to find a L16 flywheel or a L18 car flywheel. This should be pretty common. Your L18 flywheel if tru is a 225mm is very rare like 1 yr only iteam. People do look for these. to be on the safe side you need a 510 T/O bearing and the collar for the Roadster set up as the 510 and Roadster have the same diaphrame height. If you know where your old car is at and they did a motor pull that would be best to get. Just get a new Bearing for it. Just make sure you have a REAL Roadster Pressure plate. I think they have 3 rivits instead of the 2. Alot of places will sell the stock 510 pressureplate to fit in the Roadster(Like O Rileys,Schucks) but its not the 650KG unit. but the 350 KG unit. So do the ck. also best to put a new slave cyl in also as the old ones they usually blow out soon as the rubber is used to the old EZ to push in clutch. Quote Link to comment
chebetio510 Posted July 19, 2012 Author Report Share Posted July 19, 2012 thanks hainz for the quick response..also datsaholic... i got a buddy bringing over a car flywheel.. i was on napa's website going over there clutches and saw that the 78 280z and 78 620 use the same clutch.. and it apparently has the same specs as the original 74 620 clutch.. only information difference i see that they say the disc hub/ input shaft size on the z clutch is 9" and the 74 620 is 8 7/8 wondering if that really mat ere.d and i do had a new slave... just trying to figure out what clutch gonna end up running.. as for the collar.. not sure if i can get that... so hainz ur saying once i use the car flywheel and clutch the collar will be taller or smaller? Quote Link to comment
banzai510(hainz) Posted July 19, 2012 Report Share Posted July 19, 2012 As for the Z stuff Im not positive.Esp the T/O bearing collar size. Im sure the bearing is the same Z cars are all 225 and maybe bigger on the turbos All I know for sure is the 510 stuff Quote Link to comment
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