GT-R Register - Official Nissan Skyline and GTR Owners Club forum - View Single Post - WE WANT TO KNOW IT ONCE FOR ALL: RBs VS JZs

NIGHTRIDER · 31st August 2007, 10:09 AM

Both great engines, however..

..look at the amount of MKIV (JZA80) Supras that have appeared in the classifieds with 100k+ miles on the clock and are still going strong, many without having had engine rebuilds. Even modified examples can run to silly mileages without any major problems if looked after properly. Plus, a lot of these cars will have been used as daily drivers as well.

In comparison, RB engines are more than capable of 6 figure mileages. In reality, a Skyline (GTR especially) with 80k miles is considered as a relative high-miler and even if lightly modified, will probably have had an engine refresh/rebuild at some point. I was told by a VERY reliable source that, rule of thumb, 60k was a good time for an engine refresh for an R33 GTR.

I notice gearboxes being mentioned previously in this thread. The 5-speed manual gearbox was only used in the N/A (SZ) Supra variants. The 6-speed manual gearbox in the Supra is bombproof, pretty much like all Toyota gearboxes. Even the auto transmission used in the JZA80 is known to handle up to 600bhp.

31st August 2007, 10:09 AM	#23 (permalink)
NIGHTRIDER GTR Register Member Join Date: Jan 2006 Posts: 35	Both great engines, however.. ..look at the amount of MKIV (JZA80) Supras that have appeared in the classifieds with 100k+ miles on the clock and are still going strong, many without having had engine rebuilds. Even modified examples can run to silly mileages without any major problems if looked after properly. Plus, a lot of these cars will have been used as daily drivers as well. In comparison, RB engines are more than capable of 6 figure mileages. In reality, a Skyline (GTR especially) with 80k miles is considered as a relative high-miler and even if lightly modified, will probably have had an engine refresh/rebuild at some point. I was told by a VERY reliable source that, rule of thumb, 60k was a good time for an engine refresh for an R33 GTR. I notice gearboxes being mentioned previously in this thread. The 5-speed manual gearbox was only used in the N/A (SZ) Supra variants. The 6-speed manual gearbox in the Supra is bombproof, pretty much like all Toyota gearboxes. Even the auto transmission used in the JZA80 is known to handle up to 600bhp.