my engine just came back from machine shop!!! rb25 build

[otightitzjim]

BTW, when you say "Custom Mounts", who made those? That looks like a GREAT idea to get rid of those POS sandwich type Poly-mounts that I keep snapping the bolts out of.......

when i said custom LOL i seriously meant custom. James the owner from G Diemension had them custom made. he had some guy measure everything himself and make them from scratch. so im honestly sorry i dont know who made them but i know they were from scratch. and btw i bought his last set. he told me it took months for those to come in. but if anything if he gets more i can hook u up with a set probably.

[otightitzjim]

hahah guys more PICS and VIDS for EVERYYONE!! also btw i just bought some sick asss work meister s1's 18x9 +5/ 18x10 -7. do you guys think i can get away with a fender pull and roll? i hope so i want to keep oem body. whoohooo standby guys.

[otightitzjim]

okay heres my latest pic of the car running guys. i went in to dyno tune her and made about 430whp unofficial numbers. im having problems with the wastegate not dumping or opening enough causing my car to spike. anyone have suggestions? maybe the wastegate spring? iono let me know what you guys think. thanks. MORE PICS AND VIDS COMING SOON.


Modified by otightitzjim at 4:42 PM 2/16/2009

[Yellow4g63]

will it spike if you just run off the spring and leave the boost controler out of the loop? what kinda gate? what size spring is in it?

[otightitzjim]

will it spike if you just run off the spring and leave the boost controler out of the loop? what kinda gate? what size spring is in it?

yeah it still spikes when i bypass the boost controller. i disconencted the boost controller and tried to run off of the spring and nada. it spiked to 28psi. it is a tial 44mm wastegate. im honestly not sure of the spring rate but i mean ****, why would it even spike to 28psi? its weird. i neveer changed the spring and the wg is brand new from 6boost.

[Yellow4g63]

Yeah that is strange it's almost like the gate isn't opening at all if it spikes just going off the gate. Are you getting your vacuum from the intake manifold?

[otightitzjim]

Yeah that is strange it's almost like the gate isn't opening at all if it spikes just going off the gate. Are you getting your vacuum from the intake manifold?

im using vacuum from the intake pipe on the turbo side. you mean for the boost controller right? because the wastegate is hooked up through the intake pipes and so is the boost controller. only vacuum i use from the intake manifold is the boost sensor vaccuum.
Modified by otightitzjim at 4:43 PM 2/16/2009

[Coolwhip]

as intake i hope you don't mean the pipe entering your turbo.

You'll want a reference off the hot pipe or compressor housing for the wastegate.

[Yellow4g63]

im using vacuum from the intake pipe on the turbo side. you mean for the boost controller right? because the wastegate is hooked up through the intake pipes and so is the boost controller. only vacuum i use from the intake manifold is the boost sensor vacc=uum.

Sorry my mind went blank I was thinking of a fpr lol. I'm a little lost tho about the intake pipe? do you mean the intercooler piping?

n/m I see the pics now.

[otightitzjim]

as intake i hope you don't mean the pipe entering your turbo.

You'll want a reference off the hot pipe or compressor housing for the wastegate.

sup ricky, umm i meant the hot pipe going to the intercooler and as for the compressor housing, it has no nipple for me to place a vacuum hose. sooo iono? but what do you think about my wastegate, even w/o the boost controller it should still stop boosting at a point no? it spiked all the way to 28 psi and kept going, as if it never eve n opened and its brand new.

[otightitzjim]

Sorry my mind went blank I was thinking of a fpr lol. I'm a little lost tho about the intake pipe? do you mean the intercooler piping?

yeah i meant the hot pipe on the intercooler pipes befor the intake manifold and intercooler core itself.

[Coolwhip]

yea defenantly the issue lies in that wastegate (hopefully). I would pop the top off and see what spring you have in there.

[Nissan2367]

It sounds like a bad wastegate to me! But that engine is insane! Props to you i am so jealous!!! Maybe someday ill have a kick *** engine too

[otightitzjim]

yea defenantly the issue lies in that wastegate (hopefully). I would pop the top off and see what spring you have in there.

yeahh gotta be. but besides the matter what do you think ricky? turned out clean huh? and that fatty front mount is viscous lol. thanks again for everything.

[otightitzjim]

It sounds like a bad wastegate to me! But that engine is insane! Props to you i am so jealous!!! Maybe someday ill have a kick *** engine too

yeapppp i agree man. thanks for the comments, i appreciate it. i put a lot of time, sweat and money into her. it paid off though...

[Yellow4g63]

Well isn't Tial in Socal? I'm sure they could get it looked at fast. Btw are you still running ur meth injection?

[otightitzjim]

Well isn't Tial in Socal? I'm sure they could get it looked at fast. Btw are you still running ur meth injection?

iono are they? hmmm ima try changing the spring rate 1st. and for my meth injection atm no, im not using it, was thinkin about selling it but iono i think ill rather keep it and make a bonus number from it. only downside is, i run power fc with maf so i cant switch over maps w/o data logit so if i run out of meth while away im screwed.

[otightitzjim]

ok guys after 2 weeks of waiting, i found out that my ex wastegate was spiking was because of the springs. swapped them out with another set and blammm problem gone! whooohoo tuning will be tomorrow on sat. will update you guys on the results

[RB24D]

Results?

[jey_253]

hmm...second that

[otightitzjim]

okkkkkkkkkkkk. pheeew. finally got my car dyno tuned and here are the results. let me know what you guys think.

[Yellow4g63]

needs to rev higher it's still making power after they stopped the pull.

[toadx8u]

f***in-a right man rev that b**** to 8200 like i do....

[eh?]

Nice power.... you need to chuck that Z32 maf!

[RB24D]

Good results but that thing has a lot more to give

[rbsileighty]

Nice build!

Good luck with 10 -7's on a stock body... either lots of camber and 225's with a pull... or cut/pull/fill (the fender split) might make them tuck in there (which would be awesome)

This is from a guy's 180 build from here on Nico... this is what I ment by the cut/pull/fill:

[otightitzjim]

f***in-a right man rev that b**** to 8200 like i do....

well what do you honestly think i can rev up to judging from my mods list? let me know wasup

[otightitzjim]

Nice power.... you need to chuck that Z32 maf!

chuck and go map?? or chuck it and get another maf?

[otightitzjim]

Good results but that thing has a lot more to give

thanks everyone, but let me say this now, i did expect a lot of you guys to say it has much more potential. well it does, i made that 506whp on just 17-18 psi. the engine set up is capable of making much much more, but the main issue right now is the fuel and ignition. the engine was begging for more fuel to make more ends. also, its jus tuned for daily driven and safe with extra breathing room. so at least its acknowledged. but cmon now, not bad for gt30, and the s***ty fuel pump i got right? but for sure next tune, ima upgrade fuel and ignition jus kinda short on money right now form the s***ty economy. but besides that, thanks to EVERYONE for all the help in the past, and big props and thanks to James from G-DIMENSION in City Of Industry. they did pimp asss work! ever need to get good work done hit up James. im glad its finally done!!! she mobs, roars, and screams all over the place spinning 3rd
Modified by otightitzjim at 11:14 AM 3/9/2009

[otightitzjim]

Nice build!

Good luck with 10 -7's on a stock body... either lots of camber and 225's with a pull... or cut/pull/fill (the fender split) might make them tuck in there (which would be awesome)

This is from a guy's 180 build from here on Nico... this is what I ment by the cut/pull/fill:

thanks man, yeah those wheels are ridiculously huge, i just rolled and pulled my fenders last night, hopefully i can get away with camber and stretch =/ eeekkk!! check it out sick!!



Modified by otightitzjim at 11:13 AM 3/9/2009
Modified by otightitzjim at 11:15 AM 3/9/2009