pyroteck's build thread (building a better driver)

General discussion forum about the 240sx, and a great place to introduce yourself to the board!
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PyroTecK
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Car: 1993 240sx SE 5speed fb

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troskinatior wrote:can you pm me about the coupe, why isnt the engine runing, any rust?
the engines not running cuz its being hoarded up in my garage w/ my collection of ka's. there is rust. mainly damage to the strut towers. outside its nearly perfect though. frame rails are good.
the converted wrote:Stealing pics from me and Vin? J/k, looking good though. Shoot me an email and I'll get you the high res pics I have of your car.
haha no stealing, if theres a water mark u get credit for the picture, ill take credit for the driving


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mattblancarte
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Sweet vid!

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Doya
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PyroTecK wrote:the coupe is officially for sale. non running rolling shell... get at me for details.
Did you get my email

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mRodiek
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Badass lamp ftw

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PyroTecK
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95ka24de_zenki wrote:
Did you get my email
im sorry dude my computer broke as soon as i posted that it was for sale and i just got back on one that actually works. i think its sold locally, i wasnt even ready for it but this dude told me he'll pay asking price as soon as i find the title... so im trying to find the title.

i emailed u though. im gonna go check if i got anything from u

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Doya
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PyroTecK wrote:
im sorry dude my computer broke as soon as i posted that it was for sale and i just got back on one that actually works. i think its sold locally, i wasnt even ready for it but this dude told me he'll pay asking price as soon as i find the title... so im trying to find the title.

i emailed u though. im gonna go check if i got anything from u
Well wait a minute, whats the asking price because I'm sure I could beat it

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PyroTecK
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$1500

no engine/drivetrain, stock suspension, stock interior, front end w/ bricks included. base model w/o any power options.

[email protected]

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KFL
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I remember that coupe previous owner, what a small world. Also, I was at slidewayz sat with 2 buddies to grab a injector oring. think I saw your car there next to brian's blk coupe o so fresh shock tower. Looks good

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PyroTecK
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nyse to almost meet u. i was there actually and saw when u showed up w/ the injector. the new tower on bryans car looks dope, he just needs to do the other side now.

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locoluna825
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the video for the light weight fly wheel, wow. revs up fast, kinda scarring me as i do not have a rev limiter and am planning on a light weight flywheel.

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PyroTecK
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the sale fell through and the coupe is back for sale... $1500 obo

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Ramonesfreak2010
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Loved the video.

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troskinatior
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updates!?!?!?

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PyroTecK
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no real updates to speak of right now. ive been tracking the car as much as possible since the season is just about over.

i did one club loose drifting event... didnt like it so muchspent some time at njmp thunderbolt this past saturday running hpde and graduated to hpde2 and this coming sunday is the last nasa autox of the season and then i run out of events to beat on the car w/

the plans for the offseason are to: 1. boost the ka, im only looking for 300ish whp or so 2. redo the suspension w/ custom bits including koni yellows and 8611s 3. redo the interior: kirkey seats, new carpet (carpet will get me out of race class for autox and into a class i can actually compete in) a cage and some harnesses 4: paint the car mostly one color if i get bored w/ some cans of spray.

i know threads are worthless w/o pictures but give me some time and ill even get videos up. i also picked up some sponsorship from gofastndeath to help push through the time attack season next year. parts are adding up and i dont even have time to slap them on the car

in the meantime http://www.gofastndeath.com

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PyroTecK
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just got done w/ what should be my last event of the season. scored a 2nd place win in R class for the day, the car felt awesome and my times consistently improved through out the day. my second to last run was setting up to be pretty fast, but then, on my last turn, i missed my braking point and killed a whole row of cones. they were sacrificed for a better good as my last run was the best of the day. enough words... video is up

http://www.youtube.com/watch?v=tNk7zDxzg5w

240freak90
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very nice improvements! lovin the coupe btw you really shouldnt sell it youll be hatin yourself if you did

where can i find some info on this 180sx/maxima brake upgrade? what all parts are needed besides calipers, rotors, and pads?

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PyroTecK
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i know... i ran into the previous owner at the track last year and he was hating himself for selling it. right now im not pushing the sale, mostly keeping the shell as a backup incase i decide to make high speed contact w/ a wall next season.

google 180sx brake upgrade and theres alot of info i think on the 240sx wiki. that is w/e info i missed out on my write up. keep in mind, however, that if u stick w/ the regular se-r rotors ull have that pad overhang, if u go w the brembo spec v rotors ull have to have them cut to size.

summary, 95 max calipers and pads, 01 sentra se-r rotors. double check the years cuz im not possitive and reread my write up on the swap.

also, dont do the s14 rear brakes it equals headaches . im still working on sorting the issues back there but i might change my brakes around for next season so who knows.

240freak90
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ok man thanks i appreciate the help! and yea i have a friend whose a machinist so he can turn em down for me for free so ill probably end up doing the spec v rotors and have em turned down WITHOUT the s14 rear lol its a dd so i just need a lil upgrade from stock

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PyroTecK
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no prob, just remember its the spec-v w/ the brembo option. 305mm diameter rotors. the centric part number is 120.42083 u can use that if ur getting centrics or to cross check the part number. i honestly had a hard time trying to find cheap whitebox rotors, and i work in autoparts.

240freak90
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ok cool thanks for the part # and yea my dad also works in auto parts so ill have him try to dig something up for me. i appreciate it!

silviaslider37
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the coupe is for sale? would you part out the front?! i need silvia parts!! my baby got backed into

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PyroTecK
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nope. if u need parts u can contact jdmenginedepot or elitejdm

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PyroTecK
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not much of an update but i slapped on my winter wheel/tire setup. going from sticky 245s down to winter 195s is interesting. these things squeel at every turn i take lol... maybe i got used to good rubber and need to slow down and i gotta say. the brakes deff look sexy under these. bearly clears the wheelweights lol

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PyroTecK
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the best thing u can do to make ur car faster is learn to drive it, so here is a vid of me running away from a zo6 this past sunday at etown.

http://www.youtube.com/watch?v=EWmr4Eu-ITE

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PyroTecK
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and its time for an update no one will care about :dblthumb:

this is how the car stood at the end of last season...
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well leading up to RTA this year, for the first east coast event, the decision was made that just driving the sht out of the car n/a wasnt gonna cut it. so all my boost parts were dug out of the basement and slapped on... and while we were at it, y not throw in some new custom suspension and let the old superstiff tanabes rest for a bit.

i loaded everything up in the car
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and then unloaded it at art's place (justin aproves)
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doing inventory
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and some of the new suspension

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then things started coming together beautifully
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then this happened on the drive home a week before RTA at NJMP (somebody... didnt leave enough space for a BMC shield)
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it was also hitting 25-30psi spikes... somehow the car didnt blow up but it spooled so hard and so fast that it basically riped the clutch loose and would free rev in 5th gear. i later found out that the vacuum line to the wastegate had come loose and it wasnt opening. 24psi on this car, this motor with this turbo is close to 500hp... way over what the stock block is supposed to hold and way more than my injectors, clutch and anything else are meant to be able to support.

countdown at 2 days before RTA and the issue was resolved w/ a BMC from (i think) a pathfinder (it places the lines on the opposite side of the BMC,) and $100 of heat shielding materials. u could also use a jdm rhd bmc lmnop. my fire extinguisher ( needed one as per redline time attack streetclass rules) arrived the day after the fire.
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well... when all was said and done the car was ready to go. i got the car to the track for saturday practice, we slapped a new tune on it and went to tech. the car passed safety tech and failed class tech. RTA required a 3.5 inch ground clearance for streetclass... my car in 4x4 status was still 1/8th of an inch from clearing... being that it was practice we said fk it and got the car out on the track. we'd figure the clearance issue later, since the coilovers were already at max height.

i took the car out and did a warm up lap... i cam flying down the straight into the first turn way to hot and braking way too late, the rear broke loose and started sliding... i was able to hold it but went two wheels into the dirt. i finished the lap and came into the pits... the rideheight was killing the drivability, the alignment was off and the bodyroll was disgusting. i felt like i was driving an suv. Duck and Art are an awesome pitcrew, they dove under the car and started sorting out the alignment while i ran to the classroom for the driver instruction session. first time that i was able to say in all seriousness "I NEED MORE CAMBERSSSS!!!" art would later tell me "man, i saw u flying down the straight and go into that turn way too fast, then the car disappeared and all i heard was tires screeching and saw a big cloud of dust, i thought u were toast."

then came time for the next session. i lined up and we got out on the track, the car felt better and was doing pretty good in the warm up lap. i was keeping up w/ traffic and the body roll had dramatically decreased. i hung back for a while and kept it steady through the turns, not my usual brake late gas early kamikaze driving. even w/ my smoother driving i was catching up with traffic. coming off the first lap on the straight im behind an evo w/ close to 500hp, she floors it for the straight and see the puff of smoke come from her exhaust. i realize that i can play that game now too. so i floor it and stay close... she slows down for the first turn and i brake a little later and get in tight to her bumper. im staying very tight to her, coming within 2feet from her bumper at times through the turns. we get to a straight and she points me by... i stomp the loud pedal and pass her, hoping to create some distance i dive through the next left hand turn and the car just takes it. WOT leading up to the bowl on lightning, a wide banking right hander leading into the straight. i stay high and start coming down low and getting on the gas ready for the straight and i hear banging sounds... ... ... :wtf2: kinda like knocking on a metal door but very very hard. i take her off the track and do the drive of shame to the paddock. diagnosis... a spun bearing. my good ol ka finally gave up after all the abuse... marking the end of the weekend for us.

one thing i gotta say about that ka though... its a beast. being that AAA doesnt pick ur car up from the track and we had no other way of getting home. well, duck drove the car off the track and into town where we waited for the tow truck... and the fker made it lol knocking all the way there. i love this car.
Last edited by PyroTecK on Wed Jun 23, 2010 11:00 pm, edited 1 time in total.

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PyroTecK
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then the autopsy results came back positive. there was no damage to anything... no detonation damage, nothing was toasted, it simply spit a rod bearing out the side and decided no more racing for me fk this boost sht. cam journals ended up pretty scratched up though.
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from the looks of it, hypothetically speaking, had we had a spare bearing and a little larger pit crew, we could have had a new bearing installed and the car would have been in running condition to set down atleast one timed lap on sunday... thank god we didnt have a spare bearing cuz we were beat at that point. we did spend a large part of saturday night trying to find a spare car or loaner to run on sunday... to no avail.

after RTA life goes on. having plenty of spare motors laying around my house, art came to pick one up. i handed over the motor out of my old coupe (silvia) and he started the teardown process. the idea was for a stock rebuild w/ nothing more than arp headstuds and felpro headgasket. basically the same thing ive been running for the past two years but only this time the motor would be fresh from 0 miles.

the teardown began and it turns out the motor was either very fresh or very freshly rebuilt... what was dirty as sht and grimey on the outside was mint on the inside, even the crosshatching on the cylinderwalls was visible.
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i requested the vc color as a tribute to the coupe that donated its powerplant to the cause
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i got the car back and so far so good. we're slowly recovering from the RTA beatdown and still sorting out a few things here and there. im waiting for a new tune that should be here shortly, the car is back to a more acceptable ride height but still in need of a proper alignment. its super quiet compared to how it was n/a... idk if i like it lol. i had a small problem w/ a boost leak that is more or less temporarily resolved.
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i got a new place to work in thats alot better than the old driveway
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and it now sports a fridge, couch, computer/entertainment area and an olympic sized beer pong table. (excuse the mess)
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and the car as it sits now

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rsmithdrift
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Car: 1993 240sx fastback se.

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PyroTecK wrote:so how to resolve the pad over hang issue? i did some research and didnt find any info on what rotors would resolve the problem. i checked alot before even starting and found that the maxima rotors that go w/ these calipers are 280mm the same size as the SE-R rotors i ended up using except that the maxima ones are 5 lug. so y the over hang? idk, might be something w/ the knuckle but it doesnt matter. i looked around some more and decided to try out the se-r spec v rotors, these are sized at 305mm and nearly impossible to find.

for comparison heres the specs. 240sx, maxima, se-r, se-r spec v brembo.

and some side by side comparosand some measurements of the pad overhangso realisticly i only needed 7.5mm more of rotor to encompas the full surface area of the brake pad. i got my hands on the specv rotors as a long shot since i couldnt find any info on if they would fit or not. i noticed there wasnt much room but it was worth a shot.

low and behold i went for a test fit and the rotors were too big. the caliper bracket was resting on the rotor and i couldnt get the bolts on.

i let this project rest for a while and one day while talking to roger at D&R and trying to convince him to corner balance my car the topic came up. i had been turned away from a machine shop earlier that day on what i wanted to do but roger, well, he did it on the spot. actually made me go home pick up the rotors and even made me swap them in one of his bays before he closed up for the day. 15min brake job w/ hand tools? i think i can do it.

heres one of the many reasons road race roger is the man. we did some math and measuring and figured out that all i really needed was 290mm of rotor diameter. anything more would be cutting it close. so to remove 15mm of diameter it would have to be cut down 7.5mm all around. the rotor was marked and put on the lathe.once the first rotor was done he told me to bring the car in and swap it on to check the fit.

tight clearance, no bindingno more overhangperfect fitu can see the section of the pad that was being unused now contacts the rotor.hiding behind se's

pedal feel actually improved, the pedal was firmer and even w/ just using that small piece of the pad (untill it wore down) the car felt like it would stop on a dime.

random: heres another reason roger is the man. his old g production fiat spider race car.

NEXT STEP

prepping the car for Redline Time Attack

our original plan was to do a basic boost setup (t25, sidemount, basic ka boost). just looking for a lil over 200hp in order to be competitive. we were running mostly on donated/used/borrowed parts.

the bad news... about 2 weeks before the event the guy that was gonna loan the ka-t manifold backed out and we were left in a scramble to find any bit of n/a power we could.

the setup?

random header i had laying around from the coupe, wrapped and installed.battery relocated to make room for short intakeintake made from an aluminum ic pipe w/ a borrowed jwt pop chargercalumsult ecu w/ 91 octane tune we planned to bump timing and run 100octane unleaded as per RTA rules but mid day during the competition when i went to get some gas the dude at the station said he had run out of 100oct and the delivery never came.

duck removing the stock intake so we could test fit the short intakethe best lighting ive come across while working on the carpluging the egr hole on the header (i would have kept the egr but we had to cut the tube cuz it was seized into the stock manifold)coming togetherheader and jwt pop charger installedcar loaded up for the drive home and changing the transmission fluid at about 2am at duck's job

only thing left for me to do was relocate the battery and get the holes/fittings for the vacuum lines on the new intake and put it on. i dont have pix of that atm.

thanks goes to: road race roger at D&R for hooking it up w/ the brake rotorsand to duck and art for helping prep the car and being my pit crew for the event. i couldnt have done it w/o the help.


Modified by PyroTecK at 8:14 PM 9/18/2009
So is this not true then....

Quoted from the article you refered to a few posts up about the wiki info about it:
YOU CAN USE 2000-2003 Nissan Sentra SE-R 11 inch rotors instead of altima rotors and there is no gap, they work perfect and are the same size as 180sx rotors exactly. -Boyce [email protected]

The sentra SE-R Rotors are the exact same thing. There are 2 different part numbers. One is the exact same rotor as the U13U. The other is a different part number but the only difference is that the hat is painted black...THATS IT - Someone who actually knows what they're talking about



update***
Boyce is correct:

Tried the 2001 SE-R rotors, they are same size as my old 180sx rotors and I have no gap on mine, friends car with altima rotors has gap. (verified by chad)


/quote.

So whats the deal didn't you use the 00 to 03 SE-R rotors in the first place and they had the same overhang?? WTF??

And also will the pads for the SE-R work on the maxima calipers or are they different. And if they are different why not just use the SE-R calipers and hardware? Does the caliper mounting plate not fit or something??

TheBlaiant
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That is one crazyass manifold!

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Bumnah
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AMS manifold? Worth every penny. Best shop in the states.

Cool car man.

What are the wheels specs for the zr+520?

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PyroTecK
Posts: 422
Joined: Sat Jan 13, 2007 4:31 pm
Car: 1993 240sx SE 5speed fb

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rsmithdrift wrote:So is this not true then....

Quoted from the article you refered to a few posts up about the wiki info about it:
YOU CAN USE 2000-2003 Nissan Sentra SE-R 11 inch rotors instead of altima rotors and there is no gap, they work perfect and are the same size as 180sx rotors exactly. -Boyce [email protected]

The sentra SE-R Rotors are the exact same thing. There are 2 different part numbers. One is the exact same rotor as the U13U. The other is a different part number but the only difference is that the hat is painted black...THATS IT - Someone who actually knows what they're talking about



update***
Boyce is correct:

Tried the 2001 SE-R rotors, they are same size as my old 180sx rotors and I have no gap on mine, friends car with altima rotors has gap. (verified by chad)


/quote.

So whats the deal didn't you use the 00 to 03 SE-R rotors in the first place and they had the same overhang?? WTF??

And also will the pads for the SE-R work on the maxima calipers or are they different. And if they are different why not just use the SE-R calipers and hardware? Does the caliper mounting plate not fit or something??
In my experience it wasn't true, but i can't say maybe they didn't get lucky. I guided myself with that article in my brake build and my experiences were documented. It was really hard to get any info on this setup which is why i went out of my way to post as many details as i could. My silvia came with a 180sx brake swap (from a 180sx front clip) and it still had the brake overhang, my best guess is that it has to do with the caliper bracket mounting points on the knuckles. As for the se-r calipers, idk i never tried or looked them up, all i can say is that what ever setup u go with you use the pads that match that caliper.

The car is sitting like this right now
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everything in the engine bay is on its way out to be cleaned up and a new turbo setup is going on. as awesome as the ams manifold is, i dont feel its what i need for what im doing. the new setup is gonna favor simplicity. its just hard to get around the manifold to fiddle with things under it.

that being said the AMS Manifold and down pipe are for sale $1100

the wheels are also for sale $500
specs are 17x9+27
the fronts will need a 5mm spacer to clear coilovers which i might throw in if the price is right

new season, new setup and big things coming for 2011


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