How to Build the ULTIMATE Nissan SR20!

In today's video we're building quite possibly the ultimate SR20 engine to go in one of our own project cars--so we hand picked every part that's going into this build!

LINKS:

[fantasticgobble]

I've been listening to this guy since the late 90's. This man knows his SR20s.

[TheRoulette]

Build it!!! Build up the dang .thing ..we want the play by play...drips of assembly drops...Loctite the blue and the red. Torque specs, tips and tricks too...we want engine dyno runs numbers and graphs....big red lines an numbers through the roof . Love sr cant get enough

[neversettle]

Step 1 for the ultimate SR is to get a VVL head. So much efficiency to be gained. Basically creating the K series within the SR world.

[SRVE-]

Oooo i spy a P10/G20 😍 one of the best handeling chassis to grace this earth 🌎

[CameronCorbett-Wilkins]

Would love you guys to do a video on the assembly of this engine to completion, including turbo and manifold. Be great to hear you do a segment on engine management.

[senithjayatissa]

What an absolute treat in this age we get information like this on hand from decades of experience. Thanks for generously sharing your knowledge (with the engineering justification) Mike!

[LMSCadet]

I dont have that much experience so keep at mind that my own build is more an "amateur" build rather than an ultimate build, but thing i learned on SR20 since 10 years:
1-Oil pump => Go for either an GTI-R or SR16VE oil pump. Both have wider internals, resulting in more flow (and more pressure for the later). A minor adaptation is needed though, like a new collard for the crank (with is now diven by 2 wolfkey rather than 1), a 5mm shorten crank pulley and a relocation TDC indicator. It's rumored that SR20VE oil pump cover are a bit stronger and have the same are SR16VE internals.
2-Conrod = you can get some brands who use GTI-R bearings, switching from 17mm wide to 19mm wide.
3-Mains bearings = use Nismo or Tomei for the oil gallery on both sides. IDK if ACL do the same.
4-I'm not a fan off dual guide on the rocker arm, for what i understand you need to shim your rocker arm properlly if you dont wana throw them. Use the special tool (or make one) which is placed on the lifter location and mesure carfully with a comparator the heigt difference between your 2 valves. If done correctly (+/-0.025mm between them) you done with rocker arm problems, except if your using an agressive rev limiter or anti lag (the exhaust valves can lift from those).
5-Never use a rocker arm stopper 😠
6-For a non track only car, i recomand 4032 alloy pistons instead of 2618. There are less thermal expantion on 4032 so way less piston slack than 2618, and there are stong enough for more than enouth hp to daily drive. (4032 piston example : HKS, Mahle but there is no hole for oil squiter on this one)
7-Oil pan, obviously larger capacity + baffle but i recommand stainless rather than aluminium. The oil drain tend to wear the threads really quick on aluminium, but you can use an Helicoil to prevent that. I use Tomei japan N1 pan, + 0.8 liter and quite nice looking too.
8-Valve guide, dont cheap on that. They wears down quickly because of the rocker arm design, aftermarket ones are suposly a bit stonger, but the main thing is check the valve on the guide, 0.3mm is the max at max lift.
9-Coil : use a good aftermarket one, R35/370Z or VAG R8 are greats, spitfire etc... are garbage.

And last thing, the OEM SR20 is 8.5:1 CR, uping this to above 9:1 until just under 10:1 mean that you can still use gas pump 93, but your engine will be nicer at low rpm and spool your turbo faster.
More than 10:1 E85 is needed. 😊

[slfrules]

I've been binging Lake Speed's Motor Oil Geek and Total Seal videos. Mazworx and Tekno Toyz are legendary. Been dreaming about having a Mazworx DE block for ages

[eikbike]

Ordered my Crank Scraper and Windage Tray from Kevin today! Thanks for the recommendation Mike!

[stevelee]

This guy looks like he's about to burst out laughing all the time ! He's good but ! Cheers from New Zealand

[zedaye]

I think the ultimate SR needs a VE head but hard to find these days.
My ultimate love is the SR, things have come a long way from 15 years ago when i used to have mine.

[Angry_Vikings]

Words of wisdom! Thanks for a video on the SR engine, I hope to see a video on the RB from you, especially with your knowledge. Thanks for taking the time to talk to us!😊

[StefanWerners]

Love the passion and knowledge you bring to the table, a nice change from the everyday YouTube mechanic!

[AcMustang]

Some of the best car knowledge on youtube, bar none! Keep it up yall 😁

[wkvonrus]

What an incredible wealth of knowledge.

[User-urvp]

I like how you are super humble about it and then says so were going to build a 500hp engine now... haha! love it!

[pbaptiste]

This is excellent information. Thanks so much. I recently had a failure after 10 years of use. Standing behind the engine my piston 1 front right valve relief burnt. Piston 2 front right valve relief cracked. Piston 3 ringland broke on the intake side. My 1st n 2nd piston rings were perfectly fine but the top and wavy oil ring were snapped. Piston 4 appears fine but the exhaust side valves were saturated in oil looking through the cylinderhead. I'm still tearing down the engine. Next I will remove pistons 1, 2 and 4

[nevinbontrager]

"Guys who make those statements, usually don't" lol

[dstmedia]

love to see you guys building a 3sge blacktop

[craigslistseller]

You're AWESOME Mike!!! 😎😎😎😎😎😎😎😎😎 👍👍👍👍👍👍👍👍