Thread: 12.5:1 SR22VE-T Complete, The Best Of Both Worlds!!

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2013-10-16 03:50:47

#21

niSSSdan

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So keen for numbers!

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My SR20VE+T N15 Pulsar

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2013-10-16 04:49:44

#22

P10 Goodness Online/offline status of P10 Goodness is unknown

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are you using a wideband? I saw your other build had it mounted in the up pipe but I don't see it now.

Edit: nevermind, it was hiding.

Last edited by P10 Goodness on 2013-10-16 at 04-52-32.

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Project Green Machine
1/4 mi. time: maybe... HP: Neigh!! Torque: Yes please....

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2013-10-16 23:00:48

#23

ashtonsser Online/offline status of ashtonsser is unknown

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Yeah its mounted closer to the turbo so that it does not get negative readings

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1992 Nissan Sentra SE-R - Fully Built SR20VE, BWS400SX Billet 67mm and much more
JMS Racing tuned to 716whp, 423wtq at 29psi
10.5 @ 149.2mph to date I believe the fastest trap speed SE-R, Much more to come with some changes!

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2013-10-16 23:03:00

#24

SE-Rawkus

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Originally Posted by ashtonsser

Originally Posted by b13sr20BB
^You talking about brembos or non-brembo spec V's?

Spec V non brembo's. So far so good. About to go out and tune it a bit more as my computer died and barely got to tune it at all other than setting idle and locking in the ignition timing. But it drives awesome so far. No issues with the driver side axle bottoming out and again this is a complete untouched b15 hub, axle, and brake setup. Again i think a lot of the issue is how you have the knuckle positioned in the strut. It allows you quite a bit of movement when you push the knuckle in or pull it out. From pushed in to pulled out there is probably a good inch difference in the distance from the inner side of the hub to the transmission seal. I have mine pulled all the way towards me before tightening the 2 17mm bolts. I re-aligned the car afterward to correct the toe, camber was sitting pretty damn close to 0, i think .03* on one side and .02* on the other of negative camber. I also have full coilovers w/ camber plates and pillow ball tops.

Either way, put about 15 miles on it of both intown and freeway doing 75/80 mph and its smooth as can be and soo peppy down low in the rpms compared to the low comp 2.0L ve-t previously.

Gonna drive it easy for a couple weeks for break in and to make sure everything is 100% and then it will go on the dyno. Leaves me some time to get the FID2000 injectors. Because this thing is gonna need more injector....

Good freaking news...although I don't have that much play in my knuckles as you describe.

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Manny
Unretirement phase 2...
Manny's '95 Bfourteen
SR20DEEP

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2013-10-18 00:01:00

#25

duranji

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very interested to see how this goes...we have a similar build with 12.5 pistons and e-85....we are yet to get it tuned but a tuner i was talking to said that with a higher compression we wont be flowing as much air as with a lower compression setup...something about less volume in the combustion chamber which means less volume to spool the turbo...not sure if he is right or wrong but like i said cant wait to see what this does...good luck

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2013-10-18 00:31:54

#26

SE-Rawkus

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Originally Posted by duranji

Go get another "tuner" cause he doesn't know what he is talking about.

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Manny
Unretirement phase 2...
Manny's '95 Bfourteen
SR20DEEP

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2013-10-18 01:25:33

#27

pedro666

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I am guessing you dont drive in the rain...
I thought i stumbled across a dyno run of your the other day on you-tube?

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2013-10-18 02:19:09

#28

ashtonsser Online/offline status of ashtonsser is unknown

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Originally Posted by SE-Rawkus

Originally Posted by duranji
very interested to see how this goes...we have a similar build with 12.5 pistons and e-85....we are yet to get it tuned but a tuner i was talking to said that with a higher compression we wont be flowing as much air as with a lower compression setup...something about less volume in the combustion chamber which means less volume to spool the turbo...not sure if he is right or wrong but like i said cant wait to see what this does...good luck

Go get another "tuner" cause he doesn't know what he is talking about.

hahahaha, and thats the truth. lol

Most of the big honda guys now are running at the very least 11.5:1 or more compression on their 1000+whp builds. It helps spool those big 72mm turbo's up bigtime. Thing is to have a good flowing exhaust side. The only thing that will probably hurt my numbers at all if you want to call it that, is the shitty manifold with small runners. From what I can feel soo far with the setup compared to the low comp one is that below 3k this thing acts like there is no turbo on it. It just wants to go like an na and the rpms climb faster than the turbo can make boost. This could also be because of the stock VE cams and their shitty low lift and duration on the low lobes. Ive already moved the vvl down to 3200 rpm with greater than 60% throttle and im seeing 3psi by 3.2k when vvl hits vs 0-1psi when on the low lobes. Turbos on high compression love lift and duration on the cams.

Keep in mind i have not really gotten into boost other than 2-3 psi at 3k rpms just to put some load on it. Havent taken it higher or into more boost as Im still in break-in period

We will see how it does once it goes on the dyno. If the manifold holds me back too much ill be switching it out for the thicker wall big tube manifold. We should know right away how it performs based off the power numbers and spool time. Hopefully in the next two weeks it will be on the dyno.

Last edited by ashtonsser on 2013-10-18 at 02-20-49.

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2013-10-18 02:24:04

#29

ashtonsser Online/offline status of ashtonsser is unknown

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Also, side note, Ive noticed the engine on e85 runs significantly cooler than when it was on the low comp with pump gas. Normal driving with my cooling system setup which has never changed im seeing coolant temps in the 150-160 range in 70 deg weather whereas before my temps in the same conditions would get up to 180-190 just normal driving. Gotta love the cooling factor of this corn gas.

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