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mounts gearbox sump

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#1 tin

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Posted 17 July 2016 - 11:53 PM

hi there 

just thought i'd ask in this section incase someone had some rb conversion parts lying around. 

at this stage im mainly after 

 

- modified sump (that doesnt leak)  OR   200zr sump

 

- rb25 engine and gearbox conversion mounts 

 

- rb20 gearbox

 

thanks heaps in advance 

 

 



#2 Dionysus

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Posted 18 July 2016 - 09:41 AM

Bit off topic but if you are going to be using a rb25 then pay the extra and get a rb25 gearbox..
Do it once do it right.


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#3 zedevan

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Posted 18 July 2016 - 11:36 AM

I have a 200zr sump, a pickup and castlemain hotrod engine/gearbox mounts I could be tempted to part with as are just getting dusty. Apparently their quality control went out the window at some point, so there's a chance they don't bolt up as perfectly first shot as they should, so holes might need to be elongated or something - not sure.



#4 twoforty z

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Posted 18 July 2016 - 01:07 PM

I have a engine crossmember skyline mounts will bolt straight up to

#5 tin

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Posted 19 July 2016 - 11:02 PM

Have PM'd zedevan and twofortyz

Dionysus, only reason being for an rb20 box is because I'm still keeping the rb25 Na.
Rb25 turbo box imo is overkill and would rather out Money I save on the rb20 box onto something else

#6 tin

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Posted 19 July 2016 - 11:02 PM

Have PM'd zedevan and twofortyz

Dionysus, only reason being for an rb20 box is because I'm still keeping the rb25 Na.
Rb25 turbo box imo is overkill and would rather out Money I save on the rb20 box onto something else

#7 nat0_240_chevZ

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Posted 20 July 2016 - 08:45 AM

I reckon I found a pair of engine mounts lying around from my r & d early on, if when I made a handful of sets, when I was doing some tidy up this week, I'll check again today.
What car is it going into and what year as this plays a major role in actual fit+up.
I have pics on one of my posts/threads with an rb25 and an 30 box, for reference.
How's pics of where the shifter hole is, space from firewall to back of head, and how low I was able to get the engine to sit.
Nat0

#8 Dionysus

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Posted 20 July 2016 - 09:19 AM

Dionysus, only reason being for an rb20 box is because I'm still keeping the rb25 Na.
Rb25 turbo box imo is overkill and would rather out Money I save on the rb20 box onto something else

I see, fair enough..



#9 twoforty z

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Posted 20 July 2016 - 09:43 AM

Have PM'd zedevan and twofortyz
Dionysus, only reason being for an rb20 box is because I'm still keeping the rb25 Na.
Rb25 turbo box imo is overkill and would rather out Money I save on the rb20 box onto something else


Havent recieved any pms mate

#10 zedevan

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Posted 21 July 2016 - 09:54 AM

I have a engine crossmember skyline mounts will bolt straight up to

 

does that mean the standard rb sump works also?


Edited by zedevan, 21 July 2016 - 09:55 AM.


#11 twoforty z

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Posted 21 July 2016 - 12:14 PM

does that mean the standard rb sump works also?


No still requires a 200zr sump. Its a 240z engine crossmember thats been modified to take skyline engine mounts

#12 nizm0zed

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Posted 21 July 2016 - 12:37 PM

I see, fair enough..

Worth noting too, for anone who ever comes across this, the RB20, 25DE, 30DE (R31 skyline) boxes will fit in the Datsun transmisson tunnel, they can also use a modified or custom made crossmember to bolt up to the Datsun mounts.
The RB25DET box is bigger (fatter around the tail end) and will foul on the original transmission crossmember body mounts.
They need to be 'massaged' out of the way and a whole new mounting system designed.



#13 nizm0zed

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Posted 21 July 2016 - 12:43 PM

No still requires a 200zr sump. Its a 240z engine crossmember thats been modified to take skyline engine mounts

This crossmember will save you a lot of effort, id highly reccomend getting it if you can.
Maybe also look into redrilling and reinforcing the lower control arm mount holes for a changed roll centre (if you planning on lowering it)
http://www.viczcar.c...er-elimination/







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