Zilvia.net Forums | Nissan 240SX (Silvia) and Z (Fairlady) Car Forum

Go Back   Zilvia.net Forums | Nissan 240SX (Silvia) and Z (Fairlady) Car Forum > General > Tech Talk > S Chassis

S Chassis Technical discussion related to the S Chassis such as the S12, S13, S14, and S15.


Reply
 
Thread Tools Display Modes
Old 11-10-2019, 08:25 AM   #1
HenrikS13
 
Join Date: Jul 2012
Location: Europe
Posts: 7
Trader Rating: (0)
HenrikS13 is an unknown quantity at this point
Feedback Score: 0 reviews
S13 rb25 clutch fan with r33 crossmember + 2" radiator possible or not?

So im in the project to fit a clutch fan to my rb25 s13, for obvious reasons it wont fit straight in. I know this can be done with a stock radiator but by looking at pictures and doing some measurements I think its possible with an aftermarket radiator also.

By drilling the holes for the engine mounts farther back on the crossmember it will barly give enoght clearance. I think I can achive a few millimeters more by modify the radiator mounts so the radiator sits flush against the rad support.

Ofc I have mounted the fan blades on the back of the clutch hub and Im also using the syko engine mounts.

Have anyone done this? I have seen a guy with a thick radiator and clutch fan but he was not using the r33 crossmember, so my second option is to modify the crossmember even more.

Its not an option to cut the radiator support or use a tucked radiator
HenrikS13 is offline   Reply With Quote
Sponsored Links
Old 11-10-2019, 10:41 AM   #2
S14rebuild
Zilvia Addict
 
Join Date: May 2019
Location: Florida-FAIL
Posts: 671
Trader Rating: (3)
S14rebuild has much to be proud ofS14rebuild has much to be proud ofS14rebuild has much to be proud ofS14rebuild has much to be proud ofS14rebuild has much to be proud ofS14rebuild has much to be proud ofS14rebuild has much to be proud ofS14rebuild has much to be proud ofS14rebuild has much to be proud ofS14rebuild has much to be proud ofS14rebuild has much to be proud of
Feedback Score: 3 reviews
If u slide the entire drivetrain back to cleance for fans seems like alot of work..is there enough space with the driveshaft? What about transmount brackets?


Might wanna look at diffrent mount kits...

Maybe theres options for a diffrent fan clutch that is slimmer...
S14rebuild is offline   Reply With Quote
Old 11-11-2019, 07:46 AM   #3
HenrikS13
 
Join Date: Jul 2012
Location: Europe
Posts: 7
Trader Rating: (0)
HenrikS13 is an unknown quantity at this point
Feedback Score: 0 reviews
Quote:
Originally Posted by S14rebuild View Post
If u slide the entire drivetrain back to cleance for fans seems like alot of work..is there enough space with the driveshaft? What about transmount brackets?


Might wanna look at diffrent mount kits...

Maybe theres options for a diffrent fan clutch that is slimmer...
Drifeshaft is fine, transmount are easy to modify.

Yeah, but what's is really the options for maximum clearance? The ones that have done this all say its only custom brackets and mounts, but none of them did tell me what crossmember they used

Thing is also I want to run AC and I don´t want or can cut into the radiator support do to fitment issues for the condenser.There is really limited space for electric fans and in my opinion is hard to beat a clutchfan

I heard some rumours that r31 skyline clutch fan is slimmer, but than again its hard to get one and there is really not much clearance to the powersteering pulley and belt.


Here is a link to a car with thick radiator and clutch fan: http://giantclassiccars.com/nissan/3...-built-wa.html

It says its swaped by UPgarage and they tell that they use the r33 cross member "with some modifications to it" Only car that i have seen from them with a after market radiator.

And then there is this tread:
https://zilvia.net/f/showthread.php?t=656630

That guy apparently uses custom mounts
HenrikS13 is offline   Reply With Quote
Old 11-11-2019, 08:19 AM   #4
S14rebuild
Zilvia Addict
 
Join Date: May 2019
Location: Florida-FAIL
Posts: 671
Trader Rating: (3)
S14rebuild has much to be proud ofS14rebuild has much to be proud ofS14rebuild has much to be proud ofS14rebuild has much to be proud ofS14rebuild has much to be proud ofS14rebuild has much to be proud ofS14rebuild has much to be proud ofS14rebuild has much to be proud ofS14rebuild has much to be proud ofS14rebuild has much to be proud ofS14rebuild has much to be proud of
Feedback Score: 3 reviews
Yea, but all that work n no fan shroud seems pointless to me. Would be better off with slim electric fans


Looks like on guy made his own mounts, push the motor far back, stock fan clutch n gktech fanblade.

That should be the same for u
S14rebuild is offline   Reply With Quote
Old 11-14-2019, 04:50 AM   #5
gaz_moose
Zilvia Member
 
Join Date: Mar 2008
Location: engerland
Posts: 222
Trader Rating: (0)
gaz_moose is an unknown quantity at this point
Feedback Score: 0 reviews
could you bolt the plastic fan to the rear of the viscous coupling? to gain more room at the front, I don't know what the rear clearance on the fan is like.
gaz_moose is offline   Reply With Quote
Old 11-14-2019, 11:33 AM   #6
jedi03
Zilvia FREAK!
 
Join Date: Jul 2008
Location: albuquerque
Posts: 1,540
Trader Rating: (8)
jedi03 is on a distinguished road
Feedback Score: 8 reviews
if youre modifying why not do tube crosmember, bolt it where you want on the frame rails, then do the same type modifying to the rad mounts to allow enough room to get the radiator and condenser to sit where you want...
jedi03 is offline   Reply With Quote
Old 11-15-2019, 04:07 AM   #7
gaz_moose
Zilvia Member
 
Join Date: Mar 2008
Location: engerland
Posts: 222
Trader Rating: (0)
gaz_moose is an unknown quantity at this point
Feedback Score: 0 reviews
if you buy a decent aftermarket radiator like a Koyo it will be a lot thinner than a cheap ebay one.
gaz_moose is offline   Reply With Quote
Old 11-23-2019, 11:36 PM   #8
HenrikS13
 
Join Date: Jul 2012
Location: Europe
Posts: 7
Trader Rating: (0)
HenrikS13 is an unknown quantity at this point
Feedback Score: 0 reviews
Quote:
Originally Posted by gaz_moose View Post
could you bolt the plastic fan to the rear of the viscous coupling? to gain more room at the front, I don't know what the rear clearance on the fan is like.
Its a must to do this. Radiator is a Mishimoto, acording to info on the web its almost the same thickness as a Koyo.


Tubular is a big no. Biggest reason is car has to pass inspection and that is a lot easier with "stock look". Second reason is that I'm not skilled enoght to make it so I would have to pay someone to make all this and that would probably not be cheap.



For a little update I have done some more messurements and prepared to get the engine loose. Will update more as sone as I have more progress.
HenrikS13 is offline   Reply With Quote
Reply

Bookmarks


Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump


All times are GMT -6. The time now is 12:37 PM.


Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2019, vBulletin Solutions Inc.
vB.Sponsors
Copyright © 1998 - 2019, Zilvia.net™