Thread: 92mm china crank??

yep I love building engines...this one was a combo of impulse/interest, a flake customer/buyer and not wanting to give up after all of the machining was done. i did have a shell for it, but it was smarter $$$-wise to sell the shell and not have 2 garage queens LOL

I still need to button up my turbo beast and get it running. That engine makes my DE engine build look like a stock Gay16de lol

I was thinking a Datsun Pixk up truck or station wagon just to be different.....510s and Zs have been done over and over and are inflated in price...roadsters are rare/expensive and too small for me LOL
Just lookin to do something different/cool...whatever Datsun chassis comes up organically i will take

sorry for thread jacking for like the 10th time.....

but I dont think we will get back to the original topic until someone mentions a Group Buy LOL

im trying to remember, what motor has what. i know my 16ve had a baffle in the upper pan. iirc the de's and the ve's dont. i also did not run a gurdle as i didnt see it being neccessary.



very expensive. you looking at spending 11 grand or so depending on what parts you use.



no one has had a problem with these cranks. they are all made by the same company. the one you in the link is the one brian crower sells etc etc. all made by the same manufacturing plant, they are just milled/cut by the companys to look diffrent.

as far as trial and error, for the most part we have the medium understanding on what needs to be done to get a 2.2 or a 2.4 to run right.

its simple in writing but much more diffucult to in real life to accomplish.

look at it like this and ill use this as an example.

dres 2.3 90x91 20ve pump gas motor made--24X iirc
teals 2.4 92x92 pump gas motor made --24X irrc
fazils 2.4 92x92 pump gas motor made ---24X iirc.
juns 2.2 90mm race gas motor- made ---27X iirc.
corys 2.3 92mm pump gas motor made -- 27X iirc.
corys 2.4 92x92 e85 gas motor made ----28X iirc
jaimes 2.4 92x92 pump gas motor made -28X iirc.

now if you look at the variation of parts on motors you will see were the money and r&d comes into play. im not even going to speak about fuel and what these motors are tuned on cause thats a book within itself.

the motors are so close in numbers but vary so greatly in parts and compression. granted each motor utilizes almost completely different parts ie. intake mani, header, cams, head work, valves etc etc.

there comes a point were your spending thousands of dollars for a few hp. for your average or even extreme guy this is to much to spend for such minor gains.

would it be cool to have a 2.3 that puts down 240 sure but your spending close to 6 grand to accomplish that. and thats with not the best parts, your still leaving alot of power on the table, and to get it you have to spend thousands more. and still were not to sure what combination really and i mean REALLY works.

i took from these builds the best characteristics and parts and tweeked em to some degree to a spec that i feel will work the best, the same as the rest of the guys did albiet on whatever budget we all were working with.

but at the end of the day, the motor will only make what its gonna make. we have dets and for the most part 2.0 ves down to a science. but what really works for a 2.2 or a 2.3 or a 2.4 we really dont know. there is what 9 of these motors in the country out of what hundreds in our community and thousands around the world.

for us to figure out what works with 100% certainty we need another 50 motors to be built in various configurations to really narrow down what makes power.

jaime is now saying he feels the rod/stroke ratio is to blame for us not making well over 300whp. so what we need is some one to do a long rode 92x92.

i could go on and on, but what im trying to say, is all this real big n/a stuff is still in its infancy and how we decided to build our motors is still only a educated guess.

we need to get it down to a science and then and only then will the real power of the big cc n/a motors be realized.

end rant.

stratton.

agreed. but not enough people will spend the money to do things right... that's always been the problem. The only reason DET's and VE's are so refined is because they became commonly available and alot more support popped up that made things cheaper....there were alot more cheap chinese mods for the masses to play with and realize that putting money into the motors will produce...thus they move on to the proper mods and good stuff and make the appropriate power, when it wouldve been cheaper to just do that in the first place LOL

a long rod 90 x 92 or moreso 92 x 92 would be awesome to see!!!

But you got to pay to play bro. You are one of the few that know what I am talking about. I didn't even keep count on how much $$$ I spent on my turbo motor and to this day i do not want to know because i would cry LOL

The DE I am trying to sell now is a BUDGET build at $4k....that was with having some good spares and getting whatever discounts and cheap deals I could. And people think Im an idiot or crazy for spending that much LOL. Well, that's cause they've never taken the time, pain and money to properly build a performance engine from scratch. if you build ANY engine completely from scratch with NEW, GOOD parts it costs a fuckin arm and a leg... that's just how it goes.

I was so glad to see you build your stroker just like I am glad to see any good solid build from the ground up using good parts and methods.

this too shall pass. The numbers everyone is getting are pretty snazzy if you think about where we are coming from.

I hope to join the club someday, but honestly I gotta get a few things out of the way before I can.

I agree with you Stratton... There is some things going on behind the scene all the time, it is just not shared on this or any forum usually. The only time we end up seeing something that someone put a ton of time, money, research and development towards a custom part is when that person/company decides to sell that particular part for $ if there is the demand to do so. Since we have such a small community much of the testing is done by people who don't have the time/money or customer base to go further than on their own cars.

Then it comes down to people bashing things for some reason because they think their idea that they haven't even tried yet is better, they don't want to let out their secrets to anyone but a super close friends because of competitiveness with different "cliques" or "crews" or they just don't happen to post on any forum because they are busy building cars and testing things. I am seeing that since the scene is getting more mature and in turn the people have better jobs & more money to spend things are starting to change and may continue to do so, maybe not, who knows.

Many of us started with sr20's because you could make good power cheap. Now many of us are making real money and have a vast knowledge and great experience so I am thinking in the near future there will be a new company that comes along offering parts for sr20's and ve's especially. The people who will have had great amounts of r&d into uncharted territory may start to offer some amazing ve specific parts but they will cost money. It may not happen, but if someone or a group of people decide that our community, mostly meaning the ve owners specifically (seeing as how the de has been done to death for 20 years), will pay them what the countless hours of r&d + materials + labor is really worth it may happen.

We don't have a huge community but we do have a pretty loyal community. It seems as if we may be ready to take the next step forward with the ve platform on a broader scale but only time will tell if it stays a guarded v.i.p. only club, that pays very large amounts of money for custom parts or can go a bit more mainstream and offer products to the entire community. In the end it all depends on whether or not it will be profitable.

I assure you that r&d is being done and these engines are being pushed to their limits all the time, it just isn't on the forum. If I were thinking of venturing into opening a business sr20 related it seems I would keep most of the information I learned by doing countless hours of testing and custom fabwork to myself. These people may decide not to make a business out of it so in that case, unless they decide to go public for the benefit of the community, the r&d that has been done and will continue to be done will never be in the hands of the general public. Its sad but true, time is money and knowledge is power. If you aren't making money off of your time & knowledge, you will have the power over the people who don't put that much time & effort into these engines. For some people that is enough and all they have ever wanted was to learn, gain knowledge and make their cars and their friends cars make great power. If someone with the knowledge has the capitol and sees a business opportunity, I am sure that the knowledge and what were at one time custom parts will be available to the public.
Drew

Thats true Strat. I'm sure a lot more people will join the big bore/stroker club once there is a solid cookie cutter setup to be put together off the shelf. The K boys luck out because there are thousands trying different variables. I know header is a key component in these large motors. I don't know anyone who says it but theory will only take us so far. More people need to start trying different things. I plan on experimenting with a 2.3 for next year. I just put the car on hold for now until I finish school. Speaking of that, I gotta go to bed. I have class in 7 hours!

Strat, i made 257 and 199 torque.. How dare you rob me 10+ horses,lol....It can make more,and that number was on a smashed header and stock intake manifold. God knows what a specked header and intake manifold could do.We may never find out....

Lol. You know what I was getting at.

Your motor/s were one of the first 2.4s. Thats speeks volumns about you, youll hit ur goal man.

Stratton.

I believe bmw 328 rods will work with a bit of machining.

I think for some reason SR24 are nor performing like they should because all the guys doing them are not making their homework before doing the investment How come We here tested a Xcessive plenum and Q45TB (for stock runners) and made 10whp over Stock VE and stock TB no midrange loss for a total of 230whp @ 8400 rpms and 163 ft/lbs on 86x86 SR16 pistons and N1 cam and gears on the lame B18 Tri-Y header. For some reason this Guy its going to do just a 90x86 motor just to see if they can get 250whp using same parts as the 86x86 to see how it performs... I think its doable just to get 20whp from 2.0 to 2.2 every thing else equal just like Cory did on his first 2.3 build this guy its already in the 12's trapping 110-111 on the 1/4 mile on street tires so he just want to get close to the 11's

That to me is what I think should be seen with a setup like that. There are some 2.4's out there making the numbers that they should but it is mostly uncharted territory so it is more of a figure it out as you go sort of thing at this point.