Easy Bolt-On, Big Power Nissan SR20!
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- เผยแพร่เมื่อ 12 ต.ค. 2023
- Today we take a look at an easy bolt on SR20 engine we're putting in an S13 that we hope will be good for road racing, drifting and Time Attack! Our target is around 330 low-stress horsepower on this basic stock bottom-end engine with fast response and good torque for an all around "fun" track day car rather than an ultimate stock bottom end racecar kinda thing.
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I feel like this guy would have a big smile across his face while he's yelling at me
Those are the scariest kind of people
😂
😂😂😂
Hilarious 😂
I love all the SR20 videos, please keep them coming!
You can never get tired of listening to Mike... he's the only guy who can explain things and make it simple to understand. Great video 😊
Mike, I had a disco potato on my S13 in 2004. Bought it after reading about Dave Coleman's car in SCC magazine. This is making me want to build another S-chassis. So many memories.
this guy makes me want unlimited money so i can build an sr he would be proud of and smile about
Love ❤️ the Sr20det content man, please keep it coming
I always look forward to watching your videos as they are very informative!!! Thanks for sharing your knowledge.
Always learn so much from your videos!!
budget friendly recommendations, love to see it, keep the sr and ka videos comin! Loving the content
They maybe old engines but the SR20 is a really cool engine that has lots of power potential.
How cool is Mike! I could listen all day. So informative and his knowledge is well communicated.
Really excited to watch this build! This is exactly what I want to do with my s13! Thank u for your great content!
Great video. The new project is awesome, I’ll be watching the next episodes.
Always gotta love this guy, if hes not smilling, he's not making a video.
Also to note a bit of recognition to Enjuku for improving their ISR lineup. Those exhaust parts appear to be pretty nice, high quality SS construction. It looks like they have come a long way.
Another great video!
That P10 is rad!
woooo thank you keep us sr20det guys happy wiith vids like these .... weed love more in-depth sr videos ... hands on stuff bud ... swap stuff too ... im running a s14 zenki disco pat... in a datsun roadster ... and love this content
"Makes that cool woosh noise that all the Ricers like." Had me rolling.
420 HP 369 Torque. Nice!
Great info
very informative!
Touching on the ECU/controls upgrade would have been nice. Maybe in part 2?
For example I assume you're going to a MAP system because of the atmospheric blow off valve setup you displayed.
Will you guys be reprogramming the stock ECU or going to some sort of stand alone? Is reprogramming a stock ECU even possible with a MAP setup?
Love the content. Keep it up!
Link stand alone speed density part two!
Outstanding
I’ve been watching ur videos and was hoping sr20det builds will come up and my prayers are answered. I’m going for reliability + power on a stock end sr20det i like this build but 2871r will suit me better. Many thanks 🙏
The 2871 makes good power in a small package but is laggy due to an imbalance in wheel major diameters and the resultant tip speed differentials.
Can you do a video on the types of air filters and the pros and cons of the different types?
I still have the disco potato on my SR from project S13 days.
The legend himself! Hello Kojima!
SR20DEEP !
I feel the same way about those adjustable exhaust gears on K series, lots of failure points.
I would love one of these for the rb25
Lovely video, Mike. Thanks for showing people the basics. A lot of people forget that a car doesnt need major upgrades in order to put a smile on your face and be reasonably quick. Past this point, you end up changing the characteristics of the car by needing to do drivetrain upgrades. Its kinda the point of no return and ruins the fun of an s-chassis. A lot of S-chassis' would still be on the road if people did not go past this point, and more importantly focused on traction and safety items like quality wheels/tires/brakes/suspension.
Good point but here in Japan da bois going loco on three wheels-
I approve this video
Nice!
The sad thing is, 10 yo I bought many of those exact parts minus the cams and springs. I’m glad that those parts are still valid to this day.
Sounds like this car is built to the similar goals I want for my AE86 hatch that I'm trying to stuff my RX8 motor into, except I'm pretty sure there's no class racing that my car would be competitive in, especially N/A like I'm going for
some sr20ve content would be excellent
Another fantastic and informative video! How does the turbo you chose compare with the g25-550 turbo?
not as good but it's a direct bolt in!
Hello, loving the content on the sr20's. I was originally going with the GTX2863R with dual ball bearings, however i saw that the t28 S15 Garret turbo is cheaper. Enjuku says the t28 s15 turbo bolt on pattern fits an S13 sr20det. Would I be better off going with the t28 s15 turbo or GTX2863R because the t25 has dual ball bearings and the t28 does not. Great video thanks for helping me out!
That is a really old stock turbo, the GTX is way better.
the small borg warner efr 6758 t25 can bokt up to the stock manifold just about
did it for a bud a couple years ago on a stock red top with rotary 550cc injectors twin 044 fuel pumps run by a local $150 ecu
made 375hp all day and is still running to this day just with a bigger intercooler and e85
That is a very good turbo, just isnt a direct bolt in.
@@motoiq yeah we made a slightly angled spacer on the manifold flange the hardest part was getting the downpipe right
This is great info as I find myself checking what I did so far in my SR20, and sometimes I feel like I need to backtrack as a result. Do you have an opinion on the Garrett G25-550 instead? I have a 3071r ready to go but I’m thinking it’ll be too laggy.
The G25-550 is an awesome turbo.
Mike rocks!! MOTOIQ is the best resource for knowledge! I wonder why they didn’t consider the S15 BB T28
It's not that good of a turbo by any newish standards.
@@motoiqthanks for the advice :)
Thanks for very informative videos presented in a humble and and thorough fashion.
About this SR build, I have a question when it comes to cam gears. I'm assuming that this base engine was non-VCT to begin with. In such case it makes sense to put adjustable cam gears in together with the aftermarket cams. But what if the engine was a VCT SR20? Your goal here is "no so much about to end" and more about response and torque. If you had a VCT SR20 to begin with, would to have kept the VCT or sacrificed it in favor of adjustable cam gears? And, further, if you would have retained the OEM VCT, would you see any advantage in having an adjustable cam gear on the exhaust cam? Or wouldn't that make any sense unless there is an adjustable gear in the intake so both can be adjusted together?
I would keep the VCT for sure. An adjustable exhaust gear can help, sometimes a lot with bigger cams.
PLEASE...NEXT 4 CYLINDER 3SGTE PLS PLS...AWESOME VIDEO, VERY INFORMATIVE
We will try
Hi Mike.
Really curious to know how much it would be to build a notchtop for street use 375whp reliable.
Spin a bearing guaranteed after. Super strong is a bold statement 🤣🤣🤣🤣🤣
Please do a video on Mazdas FE20 goldtop for NA and turbo
I like that engine and would like to do one but we haven't had any come through here.
Great content. Whats your opinion on rocker arm stoppers? And can i run tomei 256 poncams with a differnt brand of springs?
Rocker stoppers are crap and will damage the engine, I think pone cams are designed to run stock springs. JWT cams are cheaper and make more power
@@motoiq kia ora bro, just wondering why do rocker stoppers damage engine, ? ive got a stock sr and have stoppers. So i just remove stoppers and we good ? thanks for the content bro. keep the sr content coming please. cheers brother
Hi Mike, quite interesting!
I have been into S Chassis for well, 20 years and grew up following your pioneering work and came to similar conclusions about 10 years ago when I built my SR20... although I would like to offer some alternatives (not criticizing your choices mind!)
In my experience, the 2867 has it over the 2863. On E85 I made 324rwkw (430rwhw) @ 6500 with an S15 engine. Could argue the dyno etc but it blew the standard S15 box in the classic 3rd-4th pull so its up there. I had a 2863 but the 2867 just has that little bit more oomph though I ran the smaller 0.63 rear housings perhaps the 0.86 2863 is better but g25/g30 certainly seem to be the future though.
The Standard s13 exhaust manifold with a minor port does have its benefits (cheap and reliable!!) and I did not feel was a restriction, although the s14/15 variants loose a bit on runner 4 from EGR crap. I have cracked innumerable stainless steel exhaust manifolds that look identical to the ISR one (ie with the reinforcing) Id suggest dont waste your time and stay with the stock one or go proper steampipe
The standard s15 intake saved money although the injectors and fuel rail were a pain with a spacer plate etc. s13 packaging is better but is really limiting for some reason.
A 1 piece front+ dump pipe seems to be better and cheaper at least with local experience.
Otherwise I run poncams/springs and a haltech platinum plug in, CD009 via the mazworx bellhousing but using the serialnine shifter. works good.
I agree with you that the 2867 is gonna make more power but I am not after more power, the transmission can't take very much so why bother is my thinking, I will take the smaller compressor wheel with less slip losses and faster response. I guess you found that out too! The engine is much, much happier with the 86 housing from a tuning standpoint, much further away from detonation. Don't agree with the manifold, this manifold will spool around 500 rpm quicker and again give more tuning headspace, plus it won't crack ever with track use. There are a lot of crappy SR20 manifolds for sale and this isnt one of them. The JWT cams will eat ponecams for lunch. I will make equivalent power with faster response, less boost and less overall thermal stress on the engine. Will go to the CD009 once the std trans dies. At that point, I will probably go through the motor, run a G-Series turbo and make another 100 hp.
@@motoiq very intelligent and wise responses! Thanks man! I think my next move is g30 and a sixboost manifold so perhaps we would end up at a similar place.....
If you were going VCT would you still suggest the JWT cams/springs? My brother ran BC cams/springs on a s15 engine....killed the vct in 2 trackdays...
Yes, they consistently produce more power and wider powerbands than any cams in the same duration category with less valve spring tension. G30 is a great choice.
@@motoiq should have said. I'm not sure I noticed any loss in response with the 2867 (gen 2) compared to the 2863 (gen 1) but perhaps it's cams and manifolds and rear housings that are preventing getting power earlier with the 2863.... Anyway appreciate the video and the time you took to reply!
Oh, this is a gen II gtx 2863. Sorry if I forgot to say that in the video.
Coverage on VE head one day please!
We will as soon as possible.
@@motoiq thank you! Great contents as always!
Thanks for the video! Would you encounter potential boost creep with the internal wastegate at this power level?
No
Thanks for replying. So no real need to port the wastegate pre dyno- if running the bigger 0.86 A/R with this turbo?@@motoiq
you might need to adjust the cracking pressure out of the box
Interesting observation: Engine masters has basically demonstrated that a turbo engine has, basically, the same power curve that is intake manifold dependent.
we need an sr20ve build
@motoiq Excellent video, thanks for the valuable information. Have you got any experience with modifying the roller rocker SR20DE engine for racing? Just wondering if you can comment on the durability of the OEM roller rocker with uprated valve springs and cam in a racing application? Thanks!
They only make a mild cam for them.
@@motoiqThanks for the help. I am building an S14 SR20 and converting to the roller rocker with the shorter valves. I've figured out a dual spring for it using the SRVE retainer and a custom spring seat. It will be around 80lbs on the seat and around 220lbs at 11mm open per spring. Still working on the cam profile. It will be a street engine. The roller rocker is fairly rare compared to the slipper pad, so information on the roller rocker durability is fairly rare too. Thanks again for the great videos!
Roller rockers require a difficult to engineer inverted flank profile which is the main reason why you cant stick a decent cam in them, it is defiantly not worth the effort and will make less power under the curve. JWT is the only company to offer anything. JWT C series cams will greatly outpower with better powerbands any roller profile.
The only off-the-shelf cam I can find for the RR engine is the JWT S3R which is a 262deg cam, slightly lazier than their slipper pad 260deg S3 cam. I'm already a bit too deep into this to back out haha so wish me luck! Thanks again for the great videos, keep up the fantastic work!
Don't try to designed your own cam, most aftermarket grinders cant even get the math right. You also need a Berco cam grinding machine with a small 4" or so wheel to grind this sort of profile. Most cam grinders use larger wheels for more speed and less problems with dimensions in production.
Could you guys make a list with these parts for Enjuku Racing site?
Their search function is your friend.
im assuming this is for an s13 Sr20. Is it true cams in the s14 Sr20 is not a good idea because of possible issues relating to the VTC gear?
No
Please share with us your tuning skill on a Toyota 3S-GTE 😁😁
It's coming eventually.
Would you recommend some adjustable cam gears on a De motor with some 260 drop in cams?
Also on any tips on the intake manifold side on a B14/N15 low port, apparently its a hard thing to get gains out of
The low port actually flows well. Adjustable timing gears are good if you know what you are doing.
@@motoiq I've been told the low port flows well, I had a inlet and TB body sent away for port matching and the man who done it they are pretty good, just wondering if its worth the effort of fitting it, to pair up with throttle body on the car
I'm useless when it comes to engine work, but I do know some very handy people with SR20 so I might have to invest in some cam gears! Pretty desperate for more power in the mid corner on track
Extrude hone the low port intake manifold, it is pretty hard to improve upon
Did he ever give a price range for all of this ?
I'm kinda surprised that you guys would choose to run a BOV vent atmosphere. I'm curious if you think a recirculation setup would be more responsive. Also wondering how you feel about the high mount intercooler setup. I'm currently building an SR for my S chassis.
We are going to run speed density with a MAP and get rid of the MAF, then we can vent to atmosphere. If we were running the MAF then for sure recirculating is better. Front mounts work vastly better for charge cooling.
What route did you go with recirculating? Seems to be very little aftermarket support for intake piping with recirculating ports. Or even BOVs that easily allow recirculating
GFB makes great recirculation valves for many nissan engines SR20 included
Still using the Disco potato on my B13 SE-R 😁
Well I think it's time for some vg33 info lol
Can you recommend a turbo for a target 400 whp build that can make that power while fitted with a 33mm restricter for rally rules?
Something like a G25-660
@@motoiq Thanks again, man. Wish I could turn wrenches with yall and learn some stuff
@MotoIQ Hi. Im planning to go without kitten&straight exhaust my 1zz-fe Celica. Its 1.8L 4cyl 143bhp NA can you recommend exhaust pipe size after stock resonator for reliable performance and velocity?
question1. is resonator still good after 23years or needs replacement
question2. does having same size pipe all the way matter? and are there any benefits to go smaller than 2" size, because stock pipe is 1.811inch i believe.
Probably something like 2- 2.25" if the engine is stock other than that.
you should do it from the header back, not just after the resonator. and no there isnt a benefit to going under 2", but honestly you could just spend the money a 2zzge swap instead
@@arcanevoid9199 sadly we dont have any 2zz engines in my country cuz here everyone has diesel cars and i guess it would be cheaper to buy 2zz from toyota spending 8k
Mike, lets talk about the VE, VET.
Its coming eventually
Can you eventually do a vq35de build pleasereeeeee 💯🙏🙏🙏🙏
We did a 37 video
Can you do some videos on a FWD SR20 in a G20 or just some G20 videos in general?
It's all the same.
@@motoiqwhere do you find is the best place to source transmissions for the p10. I would like to at least get a p11 trans for that stronger 3rd gear, but they seem to be hard to find. The company JGY shows that they have them but reviews on their business practices are not great, and I am not sure they are still around.
It would be helpful to link to some of these items. It seems that searching for some of these isn't just straight forward. Other than that, Love the videos tho.
Here you go! motoiq.com/the-full-bolt-on-sr20-engine-part-one-the-basics/
Hi I have a Nissan B13 Sentra and I need help there's a GA16 inside with a manual gearbox but my problem is no current flow to the starter and fuel injectors, Please I don't know what to do.
Maybe a burned main fuseable link. The other possibility is the clutch interrupter switch or relay.
@@motoiq okay I'll see with these hits today thanks 🙏🏾
I'm still a bit curious as to how the .86AR turbine housing fares spool-wise. Didn't really think to imagine a large housing in the same sentence as fairly quick spool unless it's a twin-scroll like an OEM Evo turbo paired with its own manifold.
A .86 isnt a large housing for a 2 liter.
Any recommendation for a fun street turbo for a B13 SE-R? I have a 92 SE-R with an Avenir DET w/ JWT ECU & Yellow STI injectors ( I think 500cc).
Disco potato
@@motoiqThanks!!! didnt know if that was till the Goto!
For lower power, its great for the money. A G25-550 is even better if you are willing to convert to v-band flanges
@@motoiq I’ll look into that as well, right now it’s just a stock det with a 3” vrs downpipe… I’m assuming the disco will swap in with my current downpipe and manifold… not looking to be the fastest just have fun with an se-r I’ve had since 1999…. I’ve had the car since the se-r mailing list days.
I know on a bluebird it wont, the compressor will hit the block and you got to switch to a GTI-R manifold, never tried on an Avenir.
I’ll tell the best Bolt on for your car, two words: k series 😊
KA
@@KARRwrong K motor
0.86 Housing is the way to go then? I just got minne GTX! I did order .64 but got .86. Maybe thats good, the sr is pretty heavy built
86 is way better for the SR
@@motoiq thank you! I value your support
@@motoiq sorry, but since i cant get in touch with Garrett honeywell. Which size of oil restrictor is recommended for this turbo on sr20det? 0.9mm or 1.1mm
1mm or so
Potato Code Noted.
Do you guys still WPC your engine?
If the customer will pay for it we recommend it
Well......this is the video that might have changed my mind. I have a '77 Datsun 620 and I was going to run a KA24DE(T) but now? Jeeze..... SR20?! Regardless, I'll be giving you fellows a call to have it done right! EDIT - If possible, I'd love to hear your thoughts on air-to-water intercoolers, equipped with mounted electric fans, for applications like mine where the owner doesn't want to cram an FMIC into a classic front end
Turbo KA24 isnt too bad either.
Is this engine retaining the stock headgasket and head bolts? Or do you recommend upgrading for this power level?
Stock is fine as long as the tuning is good. Most stock motor damage is from overheating or bad tuning.
400hp completely stock block, head bolts and head gasket. Factory timing and good fuel it will run forever.
howcome you guys didnt go for a GTX2860R Gen2? would have thought that would be the true successor to the GT2860RS Disco Potato
Because this turbo is better
more efficient? wider compressor map?
I'd guesstimate the target airflow will be about 40lbs/min at 2.5 PR. At that point, comp efficiency of the 2863 is 65% vs. Only 60% for the 2860 G2. The 2863 has a good chunk better peak efficiency too which will improve the midrange.
All of that
There will be an article with the compressor map @motoiq on Monday.
1200cc injectors for 330hp?
For more power later and ethanol.
4:14
330 hp crank or wheel?
Wheel
@@motoiq thanks 👍
Why not a Garet g25-550?
Snowball of a choice. And like twice the cost of the gtx2863. Great turbo but then you go vband and ewg which are pricey for this 'budget' build. They do have the t25 iwg housing, but that turbo also wants to be at like 400hp+ which you probably want to do bottom end stuff too. I've been flopping around a decision for my SR and the 2863 is really hard to beat all things considered.
@@zacharykarr not all G25 turbos are EWG. They have a few IWG choices. They are the smaller A/R housings as well so better response with less maximum boost. But like you said they flow more air and they are physically larger than the gtx2863 turbo.
We talked about why in the video.
Thanks for your reply, I have an s14 sr in storage waiting for a 2024-2027 s-chassis. Artec vband bottom mount and g25 were on my wishlist. Will reconsider the gen2 @@zacharykarr
If you have a v-band manifold, the G series turbo is really good!
That’s the colloquially known “Disco Potato” turbo.
That was the gen 1 gt2860rs.
This is the evolution of the disco potato that Mike himself was a part of creating/popularizing
Not convincing me about that terrible exhaust manifold but guess it's a case of you get what you pay for
Objectively it is one of the best stock position manifolds on the market. We have run one on a drift car for years no problem.
Engine buddha