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Mase

Circuit S13 Silvia, SR20DET

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The last week I've almost finished smoothing out the roof after I welded up the sunroof, fabbed up a handbrake cable adaptor out of 6mm stainless to suit the R33 handbrake cables and today the car was dropped off for a CAMS approved roll cage.

 

 

Photo of adaptor plate added.

handbrake adaptor.jpg

Edited by Mase

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The car has come back from the cage fabricators. When I can move the car I will take some better photos.

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Taark made me some taller wing uprights so I've been drilling holes in them and starting to reinforce the boot to support the wing's downforce.

 

If I get a good days work in I should have motor and box in the car by the end of the day.

 

I've been thinking about running E85 but I'm a noob to it all. Currently run an 040 in tank, 044 external with surge tank and 740cc injectors. The SR made 293RWKW's with this setup.

 

If I replace all my original rubber fuel lines, put some 1000cc injectors in there, drain the tank and fill with E85 I should be right?

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I think you'd need to go straight for 2000cc injectors, 1000cc aren't going to support much more than 300rwkw on E85. The original rubber lines are fine as far as I've read. I'm going to make the changeover next month too.

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Cheers bud. Let me know how you go as I will be another month behind you by the looks of things.

 

Well a semi-productive day today.

Put the flywheel, clutch and gearbox onto the motor

Dropped the motor in

Welded in some small guage RHS into the boot supports (this was rather difficult due to the thin metal and trying not to warp the boot with excess heat)

Sprayed the boot after the spoiler holes were welded and the new holes drilled

Installed the new wing

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It appears the ID1000's are only good for about 260rwkw's and the ID2000's will net 520rwkw's.

 

Cheapest I can find the ID2000's is $960 plus post. Not sure if I want to spend another grand on the car. Have you found anything cheaper Neil?

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Nice and quick work on the car, looking forward to seeing how it goes.

 

Oh and, big wing is big.

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Cheers buddy. The wing is full on but I have two sets of uprights. One set is about 200mm, the other is the set in the photo. The idea was to get the wing above the roof and as you can see by the photo it's done the job. A big props to Taark for making these up.

 

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Next dilemma..... the dual brake master cylinder setup hits on the strut tower, the bolts holding it to the brake pedal hit the supports and the reservoir fouls on the strut brace.

 

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So I picked up about 3m of 3mm C channel from the scrap yard for $10 then proceeded to replicate the dual brake master unit but make it wider so I can bolt it to the brake pedal, offset the holes for the master cylinders so they clear the strut tower. I will get some braided lines made up and put the reservoirs on the firewall. The new assembly needs to be cleaned up and painted still.

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Others here have gotten just over 300rwkw from 1000cc, I'm aiming for 270kw from my 850s.

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Rb25 box mate

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Time for an update:

 

Took the sil80 out to the Hardtuned.net track day at Holden driving centre last Sunday. Bagged the 3rd quickest time on the day. Not bad for a car with a cheap set of coilovers in it and 180rwkw's.

IMG_4814.JPG

 

The Silvia's brake system has proven to be a complete head f'k with a lot of trial and error. I wasted $165 on braided lines which I'm not going to use now but as it stands all that is left now is to get a brake line splitter for both front lines to go into, then bend up the steel line from the splitter to the front master cylinder and bleed the system. Here's a few pics of me fabbing up the whole setup.

 

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In the picture attached the rear is hooked up and I've temporarily put only one front brake line into the front master cylinder just to check it all works. The pedal doesn't feel too stiff however I won't know for sure until final bleed up. I'd say the easy fix is going to be putting in an offset front strut brace, or I can brace up the strut towers to the firewall but I'm over fabricating things and just want to drive it!

 

Fuel system is in, nothing fancy to see here. Walbro in tank, 044 external with surge tank all protected in a 2mm thick steel box. This should hopefully eliminate all fuel smells. Boot and cover need a paint but that can be done after it's built

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Found a bit of a problem with my cage, so it's going back to be rectified as you can see in the pics.

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Ordering a pair of 17 x 10 +38 RPF1's and some Nitto NT01's in 275 wide. Moving the current 255 wide 17 x 9.5 +38 to the front as my current fronts are now dead.

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Nice build. I have the same problem with the passenger side seat on my cage, seat has to be way forward to clear the cage, being tall with a Silvia is always a problem.

Maybe while the cage is getting fixed get them to put a couple of tags between A/B pillar and the cage as well, for extra stiffness?

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I did ask for the pillars to be tagged but the pillar near the seat belts can't be due to the standard seat belts required for rego and he didn't tag the rest. I'm going to have a good chat to them tomorrow. I didn't pick the car up, the guys were nice enough to drop the car off at my house so I wasn't able to inspect it before it left the shop. Hopefully it should come back tagged and crossbar fixed ready for when I'm back from my work trip.

 

I know what you mean about the passenger's side but I guess that's the sacrifice our passenger's have to make being over 6 foot!

Edited by Mase

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Are they just going to put the crossbar the other way? Or do something else?

Not sure how much lower you got your seat, but with padding on the cage I can't put my head straight with my helmet on.

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Apparently to comply with cams the crossover can't go the other way but they can put it back to the rear wheel arch. I might have a battle on my hands though, speaking with the owner today.

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Delivered/Being delivered in the next week or two

 

Full silicon water hose replacement (rad hoses, block water hoses)

180F temp switch for the AU thermofans

1.5 way Nismo 4.3 ratio diff

2000CC bosch injectors and top feed fuel rail (last piece required for E85)

 

 

Since the car was dyno'd last at 293rwkw's I've had the exhaust manifold and rear turbine housing HPC coated, gone to thermofans instead of water pump fan and will be switching to E85. I wonder if 350rwkw's is achievable with the same turbo?

2000ccinjector.jpg

fuel rail.JPG

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I don't see that turbo making 350kw even on e85

 

Why not run an under car surge tank ? That way there is no smell?

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Space is very limited under the rear of an S13 and I don't want it anywhere near the cradle as I don't feel comfortable having it close to the axles. It will be fine in the boot. It's sealed up well. I did try and fit the small tank i had underneath as it came from an S15 which had it mounted underneath but it was too big.

 

Scotty the car is back from being fixed up. Unfortunately I haven't been able to have much of a look at it. Matty sent me some photos but nothing beats seeing it in person.

 

As for the turbo making 350rwkw's well probably not, but I didn't expect it to make 293rwkw's but it did. I think I'd be happy with a gain of 35kw's with E85, dropping of the water pump fan and hopefully some better response from the HPC coated manifold.

 

For those who asked the injectors and rail cost me $720 all up delivered.

Edited by Mase

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yeah i didnt think u would make 293kw from a 56mm trim GT3071, normally need to step into the T3 60mm trim to get those sort of numbers from the 3071

 

i reckon there is plenty of room for an under car surge tank

if i didnt already have my sard surge tank i would of went under car setup

having a big alloy box in my boot sucks

 

why u no buy sexy powertune fuel rail :(

i gave u the wrong quote when u sent me a PM, i thought u were asking about the S14/S15 kit

S14 / S15 top feed fuel rail kit to suit standard intake manifold = http://www.nissansil...howtopic=385118

 

S13 silvia and 180sx fuel rail kit = http://powertune.com...13-sr20det.html

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Kemp, under the S13 the petrol tank goes all the way to the driver's side (unlike S15) with no room to place it beside the tank. If you go to the other side that's where the exhaust is and I'm not happy with having it anywhere near the exhaust. If you have a thin surge tank there is room between the tank and the cradle but the one I had was too wide. I can't see it being a big issue in the boot, it doesn't take up that much room as it's about 450 long, 140 wide, 200 tall. I wont be doing the groceries with it and I have a BT50 daily for anything that needs to be carried around. It just needs to fit my semi's, helmet and tools

 

As for the fuel rail. I know you quoted the wrong price but I found another one in the meantime that was a bit cheaper for my budget sorry mate. I was hoping to get my changeover to E85 down to about $350 once I sell my 740cc's and nismo fuel reg.

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The power potential of the 56mm 3071 might not be there to make 350 but 293 is a lot of power as it is. Anything greater in the top end would be a bonus.

 

But you will find a large noticable improvement in response and midrange with E85 as it will take a lot more timing, not too mention the engine running cooler. Whilst the top end 'might' not make the number your hoping for, the midrange improvement will be night and day and def make it worthwhile.

 

Looking forward to see how it goes.

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The mid range torque from e85 is a big difference

Enjoy it my friend

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Good stuff. Can't wait to get back home to finish it off.

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Picked up a professional products fuel reg. 25-75 psi, billet aluminium, rebuildable, petrol/alcohol and reasonably competitive price. Should do the job for E85. Still on track for my E85 conversion to cost me between $300-350 once I sell my Nismo 740s and Nismo fuel reg.

 

Anybody know if anything changes for fuel filters or the normal one will do?

fuelreg.jpg

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Well as everybody can see everything has come to a grinding halt. The reason for this is I work overseas and I haven't been able to convince my missus or my brother to work on it! :P

 

I'm basically travelling all over PNG upgrading pc's/servers/cabinets/cabling/switches for a bank. My road trip yesterday was from a place called Wewak to Aitape and we pretty much followed the north PNG coast line.

 

It's claimed there's at least 40 river/creek crossings. Well I lost count but I wouldn't doubt that figure. This terrain is purely landcruiser country. Hilux/Ranger/BT50 don't cut it and you'll see why in the next few pics. This was a 5 hour drive and it included river crossings with water going over the bonnet, a landslide, mud ruts which dropped the cruiser on its guts, one cruiser blew a wheel bearing. We had two armed police officer escorts and one unarmed driver to ensure the teams safety.

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temp1.jpg

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i got offered to work in PNG as well

there is a gold mine there out in the stick

 

 

by the way what fuel pump u running ? are u going to run a surge tank ?

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