Mjalaly

I agree with that. And my clutch isnt balanced... wont that also cause issues? It has a much larger rotating mass.

Anywhoo.... i am leaning towards baffeling the stock pan like shoden mentioned as the oil return is already figured out and it seals. (The Canton one is nice with the gates and stuff). Then i can have money for a pulley too. I found out the guy at the shop with that pulley was reving well over 10k regularly.

TheShodan

iTrader: (14)

Clutch not being balanced with the rest of the assembly isn't an engine killer. It's nice to have if you can,but not necessary.

Now you're using your noodle. .. I'll see if I can find the Mugen baffling kit for you to get. You can always have the pan done with a universal set, with a few changes.

Mjalaly

I was going to just get this one

Password:JDM Oil Pan Baffle (B-Series) | Password JDM

Mjalaly

On a side note, I did use my noodle today to make a reducer for throttle pedal. Now the pedal only has to travel half its distance to open up to full throttle.

TheShodan

iTrader: (14)

If you can weld it.... IT WILL WORK.

Mjalaly

which ATI damper? I don't have AC or PS.
ATI - Super Dampers® for Honda and Acura Engines

looks like the street one is way less cost wise.

2kdrift

I went street its a nice pulley, the power steering portion is removable so like shodan said it should fit no problem

By the way if you go this route call up lighting motorsports they gave me a good deal

7rrivera7

iTrader: (1)

Geis which book?

Mjalaly

Well **** keeps getting worse.... Turbo is shot or needs a rebuild. Way too much play in the shaft.

Mjalaly

Wait, let me rephrase that, the turbo is fucked! I am going to try to find a cheap replacment hopefully.

Mjalaly

I am looking at various compressor maps to determine a which turbo fits best. What are you guys generally using for BSFC (assuming 91 octane) and VE on the B16?

TheShodan

iTrader: (14)

You need to also check the Turbine Gas flow maps, in addition to the amount of pressure drop and ambient degree temperature (Kelvin) of your intercooler type. (which I've already discussed is a major issue in the long run due to it's design. The CX drops over 2-9psi over the exchange ). Otherwise, you're only looking at 2 sides of a Cube. Just a small reminder.

Most here, don't use that as part of their calculations, unfortunately, they go by a "what my brother's-sister's-cousin's build" type of recommendation foundation, so I'll attempt to answer.

Based upon your camshafts of GSR, that will depend upon your Static compression and what else has been done to the cylinder head. Usually no more than .85VE- to .88VE should be used conservatively. For Gas turbine, about 17-22lbs/min exhaust gas is your better bet. Again, depending upon your engine block build bore / stroke. More RPM can help reach similar torque as a block with more bore & stroke, but depending upon your "tuner's choice" of turbocharger, that very rpm can hurt the characteristics a bit, even with a better geared transmission.

I think Tony the Tiger would be more willing to divulge a few more empirical numeric comparisons from his experience as well.

Mjalaly

yeah i have about 10 graphs in front of me and i am doing best and worse case scenarios for the numbers including the pressure drop. Lots to consider. Its really hard to compare with the old turbo since i have no clue if things were running right. I also find its hard to get all of the turbine maps for the different turbos.

Oh a good note the ATI damper and baffles showed up. Block is out being inspected (line hone) so things are moving, albeit slowly...

TheShodan

iTrader: (14)

This is why my comment about your new "tuner" and the concept of blind faith is most relevant. He should also know how to use the GReddy Controller in advance.

2kdrift

how did the turbo fail?

Mjalaly

no oil... boom.

2kdrift

...so you did have oil starvation ...or possible contamination form the damaged bearing...damn hope you have better luck next time. what turbos are you looking at?

Mjalaly

what i am looking at.... and before anyone starts to boo this, i am trying to fit a nice long flat torque curve not whp. I need something that will do well with lots of turns, track days (high plains raceway) and some autox. lots of boots to fill. Also, I want the lap record at HPR (currently an RS11 Sports Racer has it... and 400lbs less than i do) so which turbo will get me there? I don't know since i really never got to stick to something power wise, then i could have just tuned everything else on the car to get me there.

turbos in the short list

GT2860r
GT2871r
GTX2863R
GTX3067R
GTX3076R
STC hunter turbo

waiting to see what my tuner has for a turbo because of pricing. My wife, rightfully so, is hesitant to give me more money after spending a pile a few weeks ago. But really is spending $5k on a new engine every year so bad?
(i also just bought a very very very expensive mountain bike that i cannot ride because of injuries, from biking of course)

2kdrift

sell the bike honda life haha

thats quite a range of turbos, 3076r is a quite a bit different then a gt2860. IMO from what I understand of your power goals 2860 is to small and 3076 too large. I vote hunter


IMO no reason to rebulid an engine once a year thats just race car status, and even then plenty of drag cars dont need to do this

LightningTeg

What are the goals? 300-400? I dont see why you would need anything over 45 lb/min

Mjalaly

Race car stauts? Then yes, that's what I have ubless you can prove me wrong.

Also yoh really really over simplified the who turbo thing. Are you sure a big turbo running lower boost wont be better to drive? Or maybe a smaller turbo at higher pressure?

2kdrift

just ask shodan how many times he needed to rebuild his block over the past 10 years, he tracks his car and hes at a much higher power level then you are.

definetly smaller turbo with higher boost pressure

Mjalaly

Is that a torque or whp number?

It's all about having a balanced car. Like dynos, compressors maps only give you an idea of how it will work. You can have two cars on the track with the same weight and whp but produce two completely different feelings because the torque curves are very different, spool up is different, etc.

So to answer your question, I don't know. Not much to go on since the car is so vastly different than most other things.

Mjalaly

Then that would be a gt2860 right? How do you manage the higher heat with the higher boost? Have you had a chance to drive a car with a bigger turbo on the track? From what my other road race guys say, they like it better.

Yes mac tracks his car and so do i, just because you don't have do doesn't mean you shouldnt. I completly tear down my mountian bike each season (shocks and all) and go though it....Do I have to no but I prefer to, just personal I guess.

TheShodan

iTrader: (14)

I find it a waste of time to tear down if nothing is wrong. There will be plenty of times for something to go wrong during session to worry about that type of breakdown before it's necessary.

I've always overplanned my builds. It doesn't mean I I overspend, I simply concentrate on other areas more than the average. I also make sure things are working properly in-between sessions. This means oil checks, cool downs, running the right intercooler, radiator, etc. PLUS, a little luck. But to tear down every year? Nah, I have other things to do with my life... sorry. .

On an Exocet custom that I was working on this past year, the user had gone from a Miata motor to a B20/VTEC (which was rather different in the Exocet crowd), but was able to match pretty well with the Atoms and other customs that year at both VIR and Mid-America.

Smaller turbo for higher pressure, yes, but you have to make sure that it's "smaller" in the right places. (which means, no 300 lbs/ft of torque on a B16 with any rpm to work with.) GT2860RS is a bit too small for his transmission and altitude. I'd rather go for a slightly more efficient gas turbine map than worry about the compressor so much. But, I've already discussed this with him. Mjalaly now has to perform the calculations he feels best represent him at this point.