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Kevin's SR20 Drag Project

26K views 203 replies 37 participants last post by  sdrmiami  
#1 · (Edited)
Heres my S13 SR Project in all its glory. Goal is to exploit the SR20's High Power Potential.

Engine
SR20DET Redtop
CP Pistons 86.5mm 9.0 CR
Golden Eagle Sleeves
Manley Turbo Tuff Rods
Calico Coated ACL Race Bearings
ARP Main Studs
Balanced & Polished Crankshaft
ATI Crank Pulley
Greddy Oil Pan
Greddy Intake Manifold
Kazama Solid Engine Mounts
24x12x4 FMIC
Power Enterprise Intake
Z32 MAF

Head
Ported & Polished
Polished Compression Chamber
Full Radius Valve Job
Apexi 1.5mm Headgasket
Tomei/HKS Adjustable Cam Gears
Tomei Solid Lifters
Tomei Solid 270 Cams
Brian Crower Valve Springs
Brian Crower Titanium Retainers

Turbo/Exhaust
Garrett T67 DBB Turbo
Hybridynamics Top Mount Manifold
Hybridynamics Downpipe
QTP Electric Cutout
RS*R Ex-Mag GT2 Exhaust

Fuel System
Deatschwerks 740cc Injectors
Nismo Fuel Pressure Regulator
Summit Fuel Pressure Gauge
Walbro 255lph Fuel Pump

Engine Management
Enthalpy Tuned ECU

Drivetrain
Nismo 4.363 VLSD
JDM 5 Bolt Axles
Nismo Tranny Mount
B&M Short Shifter
Toda Flywheel
Exedy Stage II Clutch
Project Nissan Clutch Line

Suspension
Front - K Sport Kontrol Coilovers
Rear - Stock Springs/Struts
SPL Solid Subframe Bushings
Strut Tower Bar Rear

Wheels/Tires
15x6 Weld Racing Draglite Wheels Front
15x9 Weld Racing Draglite Wheels Rear
205/60-15 BFG G-Force Sport Front
275/50-15 BFG Drag Radials Rear

Electronics
Innovate LM-1 Wideband
Apexi AVC-R Boost Controller
Import Intellegence Perfect Launch

Interior
Apexi EL II Boost Gauge
Nismo Leather Shift Knob
JDM Skyline R32 GTS-T Steering Wheel
180mph Speedo/Silvia Tach Cluster

Best Track Time
60ft: 1.95
1/8: 7.95 @ 94.5mph
1/4: 12.06 @ 120.5mph (2871R .86)

Videos
T67, 18psi, 0-100mph, 400whp

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24psi on 93 Octane

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#4 ·
I get the Welded Diff from Jesse (Drifts135) on friday. Hopefully have that in on Saturday or Sunday. Also got my Greddy Type R BOV on but the spring is too stiff at the moment. Already ordered a Standard spring to replace it. Working on getting a new catch can next. Suspension should come when i get my bonus check from work at Thanksgiving. Also getting a Digital Recorder so some videos and updated pictures will be done around Christmas/New Year. The upgrades never stop.
 
#6 ·
When the time comes, ill get a Greddy Manifold from Hybridynamics and have them weld on a Q45 TB flange to make it easy. Just have to see how to hook up the TPS and i think theres something that needs done with the cold start.

Im gonna be getting the car dynoed again. This time using a Dynapak so no wheel spin will be an issue. Gotta call JE Import and figure on a good time. Might not be for 2 weeks because thats my next saturday off. Hoping for more than 380whp. Also i posted my dyno video from my 315whp run. Open DP is loud so turn up those speakers.
 
#7 ·
Yay Yaay, I got heat in my ride again. Had a huge mouse build a home in the blower fan which clogged up the whole system and blew out the resistor for the blower motor. Im glad i finally got that done before weather got too cold. Also got my welded diff yesterday and should have it in tomorrow. Its been a good weekend so far. Now all i need is my Standard Type R BOV Spring to come in the mail so i dont have to worry about compressor surge anymore.
 
#9 ·
Thanks alot. I got the welded diff in and it works awesome. Definitly not as bad as most people think they are. Also took my Digital/HUD cluster out and put my Analog 180mph cluster in. Now i dont have to guess what speed im going past 125mph. I feel like i got alot done on the car this weekend.
 
#11 ·
Update. Im looking into Power FC D Jetro. With having MAF problems as of late i decided to due away with it and have full tunability of the car. As long as no money issues arise by the end of the month, i should have it ordered. Might upgrade my turbo setup to Top Mount before Spring also. Still in decision on GT35R or Full Race GT3567R. Im looking for close to 600whp and i know the 35R gets close but the 3567R might get closer or over. I think its rated at more toward 700whp with 5500rpm full boost.
 
#13 ·
My coldpipe is the most halfass thing ive done on the car and it needs replaced really bad. But if you wanna know its the S13 sidemount piping that i cut in half and turned to run down into the fender for my FMIC. It runs down at an angle so from time to time i get boost leaks in that area from the clamps coming loose. I definitly dont recommend you make the coldpipe the same way as i did. Thats all gonna get fixed when i go Greddy Intake Mani and Greddy Coldpipe along with making new coldpipes down in the fenderwell.
 
#15 ·
Looked into the Power FC and its too expensive at the moment. Gonna upgrade the Intake Manifold, Coldside piping, and go Blow Through MAF. Im worried about the Throttle Body though. Dont want to upgrade to the Q45 yet but im worried about breaking the pulley on the stock one. Im sure ill figure something out though. I was gonna dyno next weekend but im gonna wait to get the Intake Manifold done so i can see the full potential. Shooting for 400+whp @ 20psi.
 
#16 ·
I see the hack on the forum lost alot of info. Time to update it.

Next mod being done will be Weld Racing 15x9 or 15x10 rims for the back with 275/50-15 Nitto 555R Drag Radials. Should give me all the traction i need. Hopeing to have them in January.
 
#17 ·
only a 13.0? I ran a 13.1 on a t25 with a bogged down launch. If I could of launched better I should of been in the 12's. I ran my buddies z06 and beat him on the streets. At the track he ran a 12.8...
 
#18 ·
lol. Without traction the fastest cars can run slow times. I spin from the time boost starts off the line and keeps spinning past the 1/8 mile to about 95-100mph. It gets scary feeling the rear slide around going triple digits. Its impossible to get a good launch on these tires with my powerband. Its pretty much all or nothing. Without boost it bogs and no chance of moving anywhere. With spinning theres no chance of moving anywhere. What was your trap speed? Mine used to be 117mph with boost problems. 117mph is good for mid 11's which i will run once i get my wheels and tires. I expect to be in the 120-122mph area now since i did the Greddy Intake Manifold and my boost issues are all straightened out. Low 11's here i come next season.
 
#19 ·
Heres my choices on what to do next. Wheels/Tires or 740 Injectors/Retune. Injectors and retune is a straight forward drop in. Wheels/Tires will require some work. Going 15x9 rear with 275/50-15 Nitto 555R Drag Radials. Its gonna require longer studs and probably some fender working. I know i should do the wheels/tires now but i cant tie my car up in the garage because if it snows, my dad needs it for his Bronco. Whats everyones opinion on what i should do? Injectors/Retune is around $500. Wheels/Tires is around $700 plus whatever else I may need.
 
#21 ·
Im gonna say the hell with Wheels/Tires at the moment and go for 740cc Injectors and a Retune so i get the car running the best it can. Ill probably just buy drag radials for the stock wheels. Only thing i dont like about that is ill have to go with a smaller tire than stock.
 
#23 ·
Sorry. I wont buy used injectors. The set i have now are used ones. Said to be 550cc but my 550cc tune needs leaned out almost 20% to give a decent AFR. Needless to say most of my tune is off because of this. I plan on buying Deatschwerk 740cc. Thanks for the offer though.
 
#26 ·
Hey that little Spudder is nateral for an SR right? my first SR did it(black top with S15 t28 ), second one RT with a t3T04E does it, and my third almost stock RT one does it also but not all the time like the other two. i beleive it has to do with the coil packs some how. even when i change spark plugs to still does it. just wondering b/c i hear the same puff.... puff puff.........puff sound out of almost all the SRs i've seen

(*and yes i know you have cams i'm not talking about that sound if you where gonna say something about them)