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


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Old 10-28-2014, 03:41 AM   #1
bakakas
 
Join Date: Aug 2009
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s13 vg30det drag setup

Hello from Greece. I own a s13 240sx with a vg30det under the hood.A single pte 5857 is used and for turbo at 19 psi. Stock internals engine, tomei poncams, Z31 turbo tranny,6puck copmetition clutch, s14 subframe, s14 vlsd diff and stock axles. Solid rear subframe-diff bushings, energy suspension bushing everywhere else, koni yellow front dambers and the same for the rear but i have modified them for drag,hard bound soft rebound, mt 26/10/15. Stock z32 ecu reprogrammed by me. I believe im making about 300kw.
Went for the first time at the drag strip recently and the results were very impressive. The best et was [email protected] with very good 60m 1.57. All the other passes were close to that.
Here is an incar video
https://www.youtube.com/watch?v=t66j4CAkS8o

My next moves, im gonna add some more boost and reduce the weight of the car.
My questions, Is there anything alse i could do to improove my 60 ft? Im thinking to soften even more the rear dampers, using stock springs as now im using eibachs and sent the fronts to the workshop to make them the opposite way i done on rears. Soft bound-hard rebound and use a really hard spring. What do you think?
Also how much can the stock rear axles-diff handle? Should i upgrade them and with what?
Any other tips? Im really impressed of the et the car managed to do.All the others still cant believe that my car did that with so litle horsepower. I prooved them that the s chassis can make more than just drifting and takes an A+ an that too.

Your forum was very helpfull for me and has some very good info in it. I think i'll sponsor you at my next race as you are my best source of knowlege!!!!
Thnks for all
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Old 10-30-2014, 12:54 PM   #2
bakakas
 
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Anyone ??

here are some photos of my car.

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