) hopefully i can learn a lot and maybe i can teach you all a thing or two. i do plan to do a few write ups soon we'll see and hopefully I'm not breaking any rules or anything by starting a build thread without clearance form mods or anything. zilvia had wayy too many rules. anyway: The Setup
after all my researching on this forum, GTR Canada and Skylines Australia, it seems that the limit for an RB20 is about 350-400 horse power. To be a little on the safer side i want to aim for 350 hp.
a lot of this came with the car so not all of this is with my choosing
what i have so far is as follows:
-Obviously an rb20- the original owner says that it had around 60k miles on it but we all know that's a bunch of BS because that's what everyone says they have on an engine swap
-AEM wide band- nuff said.
- 760cc injectors- no name on these, just black. possibly Bosch.
- SDS EM4 standalone tuning system- not of my choosing. but i can work with it. its quite easy to tune and from all my research on it it is quite reliable has a built in 2 step and launch control which is pretty fun to use. You can advance and retard your timing and apparently you can build boost while using it which I don't know how to do but ill learn eventually.
-Nismo Fuel pressure regulator, nuff said
-T70 turbo- again DEFINITELY not of my choosing lol. Takes years to hit boost and by the time you do you already have to shift
What is needed
-First on the list is a smaller turbo. going by what i have researched, a turbo with a smaller exhaust housing spools quite nicely on an rb20. so a gt30r sounds just about right, and if its vband that will be even better, as my down pipe is a vband.
-better clutch i was gonna get a better clutch but wait till you see what i found in the bell housing of this rb20
-new differential: i was told this had an lsd and i believed the previous owner. i finally lifted it and checked and while turning one side, the other should turn the same direction, right? not on this one lol turned the wheel and the other wheel did not spin which i believe means the clutches are screwed. so i plan on either q45 or j30. it will happen when it happens.
-New intake manifold: probably just going to get a knock off one and have the welds checked and straightness checked, that crossover intake s*@t has gotta go lol. i eventually wouldn't mind getting a Plazman or a RIPS. we shall see.
-Walbro 255: previous owner said there was one in there. straight up lie but what else is new
-a bunch of interior and exterior look. car is going to be repainted and the interior is going to be refreshed/updated, new seats new or just cleaned carpet, ect.
probably a bunch more stuff. but ill get to it in the build, sorry to talk your ear off. lets get started.
Engine pulling.
*note* sorry for the lack of pictures it was kind of hectic.
started tearing off the front end. hood fenders bumper and so on.
ended with this and began the pull
bro disconnecting the exhaust and and turbo manifold. just the size of the turbo and where the bolts were to get it off were a pain in the butt to get off but he finally did
here is my other friends getting the chain read to mount to the engine. they welded it together because there was no balancer, we had to work with what we had lol
we began the pull and had some friend kinda balancing the engine and guiding it out.
*note: i know it was stupid to put the chain around the intake manifold but I'm putting on a new intake anyway as noted so it worked out
at this point I kinda stopped taking pictures, not because i forgot to but as many of you know, pulling an engine gets really involved lol. everything went without a hitch. pulled the transmission out with the engine and for my first engine build, though really involving was surprisingly easy. my only problem was that the rear output shaft seal stayed on the drive as we pulled and the gear oil began to pull, stinking up my garage severely. little bit of absorbent took car of that. Remember what i said about that clutch? i pulled the transmission off and and this is what i found:
first here it is on the tires
then a closer look i was like wtf is this!
I had no clue what clutch this was. All i knew was that is was a twin disc and my first thought was that it was some Ebay knock off so i went and did some research. they don't twin disc knock offs on Ebay for an rb20 so i just started typing in what colors it was and what it looked like and so on. after some searching i found out that it could be a Nismo clutch. of course i was like "there's no way I'm that lucky"... well i was wrong. sure enough it was! its Nismo Twin disk GMAX clutch. (correct me if im wrong) according to my search it can handle 550 to 600 horsepower and close to the same amount in torque. for once i got lucky!
so i got everything situated and got the engine on the stand and that's how i left it for the night.
The next day i began the dis-assembly. it went pretty smooth minus a few hiccups along the way.
now people always asked me why my engine ran so rich, like really rich, 10.1 at idle found out one of my reasons.
huge intake leak.
now that's all that was on the surface of the lower plenum. there was nothing on the the upper part and if that's was unsettling...
barely any gasket material on the intake manifold runners or the head. now i know why it ran so weird lol
Started taking the rockers off.everything went smooth.
Head bolts came out easy. started putting everything into plastic bags like this to keep everything organized.
keeping the garage warm
pulled the head off and blown away by the carbon build up
close up
head looks good minus the carbon build up, bloacked water passages definitely help with water flow
definitely needs a hone but the block looks good, no deep scoring or anything like that
here is one of those hiccups. i started pulling the pistons out one by one. at first glace they looked good. then I actually started cleaning them up and what i found didnt make me too happy
definitely unusable. pressed forward though. second hiccup was getting that timing gear off. what a pain in the a$$! ended up having to cut it and chisel it off, not what i originally intended but oh well.
Removed the griddle
i didn't get any pics but had got the oil pump off and the rear oil seal and finally got it down to the bare block
and that's about how it sits today. plan is to have the block hot tanked and honed and to have the extended crank collar installed within the next few weeks, then i can start the reassembly. After reassembly i can document other plans like upgrading interior and bodywork, paint and so on. stay tuned!
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