the start of the B.customs Z has begun..2jz 1000hp - Page 13

Garrett76Zt · September 8th, 2009, 09:16 PM

yea i remember watching that a few years ago.

mike321go · September 10th, 2009, 09:37 AM

and its still going strong!

mike321go · September 22nd, 2009, 05:27 PM

As of Yesterday my car is TUNED..untill 2500rpms. for some reason it acts like it is hitting a rev limiter at 2500 rpms.... now I have talk to MANY professionals and everyone is scratching their heads.
Things i have Checked to see what could be cause it.

2step rev limit in AEM---OFF
Main rev limit in aem---8000rpms
sync status ---0 even if ignoring sync it still does it.
timing---set
fuel---set

can anyone add to the list of things i could check????? remember this is a series 2 EMS

stony · September 22nd, 2009, 06:00 PM

You say you looked at timing and fuel but have you looked at those values in the boost pressure area. you could be starting to boost and if the boost cut is set at o or +1 wamo.... just something i learned a long time ago ;>

mike321go · September 22nd, 2009, 09:02 PM

but this is happening at idol? no load? i guess technically i could be hitting boost???

ShaggyZ · September 22nd, 2009, 09:42 PM

You said it was fine until 2500 RPM, which isn't idle.

mike321go · September 22nd, 2009, 09:54 PM

it runs GREAT!!!!! revs great..doesnt over heat or anything!!!
but when i hit 2500rpms it back fires and pops like crazy.

i meant In neutral i haven't driven the car yet.

Gritz · September 23rd, 2009, 03:27 AM

Quote:

Originally Posted by mike321go

it runs GREAT!!!!! revs great..doesnt over heat or anything!!!
but when i hit 2500rpms it back fires and pops like crazy.

i meant In neutral i haven't driven the car yet.

Check your coil packs, crank and cam angle sensors. Also a bad tps can cause issues like this.... One more thing what are your spark plugs gapped to? most 1j and 2j guys gap the plugs at .26-.28 only use NGK also.

Make sure the car has all the proper ground.. for example from the engine block to the chassy.

Ps if your car has been running like this for awhile, i would go with a fresh set of plugs, cause NGKs foul out like crazy..

stony · September 23rd, 2009, 07:47 AM

Can you take a video of it running and doing what you are describing.

mike321go · September 23rd, 2009, 09:24 AM

i will get a vid today!

mike321go · September 24th, 2009, 11:09 AM

HERE IS THE VIDEO OF MY REVVING PROBLEM!!!!
LET ME KNOW WHAT YOU GUYS THINK!!

http://videos.streetfire.net/video/O...ems_708824.htm

stony · September 24th, 2009, 11:17 AM

definitely sounds like a rev limiter of some sort. if you have checked everything i would suggest contacting AEM and ask some questions

ShaggyZ · September 24th, 2009, 11:25 AM

Did I really just watch a 15 second ad before watching your video!?

stony · September 24th, 2009, 11:26 AM

mine was for a Klondike bar :>

mike321go · September 24th, 2009, 01:34 PM

lol ya streetfire does that now!! its lame...you can fast forward through them tho.... I have talked to AEm multiple times and they are kinda scratching their heads and want me to try someone elses ems at this point in time....but its kidna hard to find someone willing to unplug their box.

stony · September 24th, 2009, 06:29 PM

Can you send it to AEM and have them set everything to zero??? tell them what it is doing and have them look thru everything. other then that not sure what to tell you. But it for sure sounds like a rev limiter. your boost gauge was acting kinda funny to. looks like it started to build boost then lost it. if the pedal wasn't lifted that might be an issue to. you shouldn't be bouncing around like that.

mike321go · September 24th, 2009, 06:35 PM

i was lifting the pedal case the car was cold

ARZ_ · September 24th, 2009, 06:40 PM

It sounds like you have the firing order wrong. 1,5,3,6,4,2 will idle fine and do EXACTLY what yours does in the video.

You state that it runs fine until 2500 but if you have it floored until it gets to 2500 I think that sounds like CRAP. Also watching your boost gauge, supports my theory. WOT at that kind of acceleration rate wont build boost unless you have unburnt fuel getting into the exhaust and igniting there. Thats why the longer you stay on the throttle the more it appears to build boost.

Hope this helps, please keep us posted. Obviously its supposed to be 1,5,3,6,2,4

Also are you going WOT when it accelerates? Or are you easing into it? Please let us know.

ShaggyZ · September 24th, 2009, 07:47 PM

Quote:

Originally Posted by ARZ_

It sounds like you have the firing order wrong. 1,5,3,6,4,2 will idle fine and do EXACTLY what yours does in the video.

You state that it runs fine until 2500 but if you have it floored until it gets to 2500 I think that sounds like CRAP. Also watching your boost gauge, supports my theory. WOT at that kind of acceleration rate wont build boost unless you have unburnt fuel getting into the exhaust and igniting there. Thats why the longer you stay on the throttle the more it appears to build boost.

Hope this helps, please keep us posted. Obviously its supposed to be 1,5,3,6,2,4

Also are you going WOT when it accelerates? Or are you easing into it? Please let us know.

I think that's a great guess. That idea was on the tip of my brain but couldn't get it out.

mike321go · September 24th, 2009, 08:57 PM

i dont think so...when its warm it idols extremely smooth with no hicups or anything.

September 8th, 2009, 09:16 PM	#241
Garrett76Zt Member Join Date: Aug 2002 Location: Dayton, OH Posts: 503	yea i remember watching that a few years ago. __________________ '76 280z - L28et (3.0 liter w/ forged pistons) - "Blowzilla" T3/T4 Turbo - 3" Exhaust - 70mm TB - SDS - 450cc Injectors - Custom Intake Manifold - Spearco IC - Meth Injection - STOCK HEAD/CAM 460whp 430ft lbs 11.248@124.17

September 10th, 2009, 09:37 AM	#242
mike321go Member Join Date: Oct 2006 Location: mill valley, CA Posts: 334	and its still going strong! __________________ http://www.cardomain.com/ride/2559525 www.bertollis.com www.myspace.com/mikegtech

September 22nd, 2009, 05:27 PM	#243
mike321go Member Join Date: Oct 2006 Location: mill valley, CA Posts: 334	As of Yesterday my car is TUNED..untill 2500rpms. for some reason it acts like it is hitting a rev limiter at 2500 rpms.... now I have talk to MANY professionals and everyone is scratching their heads. Things i have Checked to see what could be cause it. 2step rev limit in AEM---OFF Main rev limit in aem---8000rpms sync status ---0 even if ignoring sync it still does it. timing---set fuel---set can anyone add to the list of things i could check????? remember this is a series 2 EMS __________________ http://www.cardomain.com/ride/2559525 www.bertollis.com www.myspace.com/mikegtech

September 22nd, 2009, 06:00 PM	#244
stony RB Moderator Join Date: Oct 2000 Location: Syracuse Utah Posts: 3,350	You say you looked at timing and fuel but have you looked at those values in the boost pressure area. you could be starting to boost and if the boost cut is set at o or +1 wamo.... just something i learned a long time ago ;> __________________ Unnatural Aspiration....turbo lag was invented to give V-8s a chance RB26DETT, T88-34D, 30 PSI, full tune JUN head, 280 Cams W/ 10.30 lift, 1.2mm cometic Metal head gasket, custom intercooler, HKS Fcon V Pro engine management, 2 speed powerglide, Fully built Dana rearend, Ladder bar suspension, Best 1/4 to date 9.10 @ 147mph 4 link car in the chassis shop now more updates soon http://smg.photobucket.com/albums/v2...ompilation.flv

September 22nd, 2009, 09:02 PM	#245
mike321go Member Join Date: Oct 2006 Location: mill valley, CA Posts: 334	but this is happening at idol? no load? i guess technically i could be hitting boost??? __________________ http://www.cardomain.com/ride/2559525 www.bertollis.com www.myspace.com/mikegtech

September 22nd, 2009, 09:42 PM	#246
ShaggyZ Terminator Join Date: Sep 2006 Location: Austin, TX Posts: 521	You said it was fine until 2500 RPM, which isn't idle. __________________ '77 280Z 2JZ-GTE in Progresso '03 SV650S

September 22nd, 2009, 09:54 PM	#247
mike321go Member Join Date: Oct 2006 Location: mill valley, CA Posts: 334	it runs GREAT!!!!! revs great..doesnt over heat or anything!!! but when i hit 2500rpms it back fires and pops like crazy. i meant In neutral i haven't driven the car yet. __________________ http://www.cardomain.com/ride/2559525 www.bertollis.com www.myspace.com/mikegtech

September 23rd, 2009, 07:47 AM	#249
stony RB Moderator Join Date: Oct 2000 Location: Syracuse Utah Posts: 3,350	Can you take a video of it running and doing what you are describing. __________________ Unnatural Aspiration....turbo lag was invented to give V-8s a chance RB26DETT, T88-34D, 30 PSI, full tune JUN head, 280 Cams W/ 10.30 lift, 1.2mm cometic Metal head gasket, custom intercooler, HKS Fcon V Pro engine management, 2 speed powerglide, Fully built Dana rearend, Ladder bar suspension, Best 1/4 to date 9.10 @ 147mph 4 link car in the chassis shop now more updates soon http://smg.photobucket.com/albums/v2...ompilation.flv

September 23rd, 2009, 09:24 AM	#250
mike321go Member Join Date: Oct 2006 Location: mill valley, CA Posts: 334	i will get a vid today! __________________ http://www.cardomain.com/ride/2559525 www.bertollis.com www.myspace.com/mikegtech

September 24th, 2009, 11:09 AM	#251
mike321go Member Join Date: Oct 2006 Location: mill valley, CA Posts: 334	HERE IS THE VIDEO OF MY REVVING PROBLEM!!!! LET ME KNOW WHAT YOU GUYS THINK!! http://videos.streetfire.net/video/O...ems_708824.htm __________________ http://www.cardomain.com/ride/2559525 www.bertollis.com www.myspace.com/mikegtech

September 24th, 2009, 11:17 AM	#252
stony RB Moderator Join Date: Oct 2000 Location: Syracuse Utah Posts: 3,350	definitely sounds like a rev limiter of some sort. if you have checked everything i would suggest contacting AEM and ask some questions __________________ Unnatural Aspiration....turbo lag was invented to give V-8s a chance RB26DETT, T88-34D, 30 PSI, full tune JUN head, 280 Cams W/ 10.30 lift, 1.2mm cometic Metal head gasket, custom intercooler, HKS Fcon V Pro engine management, 2 speed powerglide, Fully built Dana rearend, Ladder bar suspension, Best 1/4 to date 9.10 @ 147mph 4 link car in the chassis shop now more updates soon http://smg.photobucket.com/albums/v2...ompilation.flv

September 24th, 2009, 11:25 AM	#253
ShaggyZ Terminator Join Date: Sep 2006 Location: Austin, TX Posts: 521	Did I really just watch a 15 second ad before watching your video!? __________________ '77 280Z 2JZ-GTE in Progresso '03 SV650S

September 24th, 2009, 11:26 AM	#254
stony RB Moderator Join Date: Oct 2000 Location: Syracuse Utah Posts: 3,350	mine was for a Klondike bar :> __________________ Unnatural Aspiration....turbo lag was invented to give V-8s a chance RB26DETT, T88-34D, 30 PSI, full tune JUN head, 280 Cams W/ 10.30 lift, 1.2mm cometic Metal head gasket, custom intercooler, HKS Fcon V Pro engine management, 2 speed powerglide, Fully built Dana rearend, Ladder bar suspension, Best 1/4 to date 9.10 @ 147mph 4 link car in the chassis shop now more updates soon http://smg.photobucket.com/albums/v2...ompilation.flv

September 24th, 2009, 01:34 PM	#255
mike321go Member Join Date: Oct 2006 Location: mill valley, CA Posts: 334	lol ya streetfire does that now!! its lame...you can fast forward through them tho.... I have talked to AEm multiple times and they are kinda scratching their heads and want me to try someone elses ems at this point in time....but its kidna hard to find someone willing to unplug their box. __________________ http://www.cardomain.com/ride/2559525 www.bertollis.com www.myspace.com/mikegtech

September 24th, 2009, 06:29 PM	#256
stony RB Moderator Join Date: Oct 2000 Location: Syracuse Utah Posts: 3,350	Can you send it to AEM and have them set everything to zero??? tell them what it is doing and have them look thru everything. other then that not sure what to tell you. But it for sure sounds like a rev limiter. your boost gauge was acting kinda funny to. looks like it started to build boost then lost it. if the pedal wasn't lifted that might be an issue to. you shouldn't be bouncing around like that. __________________ Unnatural Aspiration....turbo lag was invented to give V-8s a chance RB26DETT, T88-34D, 30 PSI, full tune JUN head, 280 Cams W/ 10.30 lift, 1.2mm cometic Metal head gasket, custom intercooler, HKS Fcon V Pro engine management, 2 speed powerglide, Fully built Dana rearend, Ladder bar suspension, Best 1/4 to date 9.10 @ 147mph 4 link car in the chassis shop now more updates soon http://smg.photobucket.com/albums/v2...ompilation.flv

September 24th, 2009, 06:35 PM	#257
mike321go Member Join Date: Oct 2006 Location: mill valley, CA Posts: 334	i was lifting the pedal case the car was cold __________________ http://www.cardomain.com/ride/2559525 www.bertollis.com www.myspace.com/mikegtech

September 24th, 2009, 06:40 PM	#258
ARZ_ Member Join Date: Mar 2005 Location: Mesa, AZ Posts: 151	It sounds like you have the firing order wrong. 1,5,3,6,4,2 will idle fine and do EXACTLY what yours does in the video. You state that it runs fine until 2500 but if you have it floored until it gets to 2500 I think that sounds like CRAP. Also watching your boost gauge, supports my theory. WOT at that kind of acceleration rate wont build boost unless you have unburnt fuel getting into the exhaust and igniting there. Thats why the longer you stay on the throttle the more it appears to build boost. Hope this helps, please keep us posted. Obviously its supposed to be 1,5,3,6,2,4 Also are you going WOT when it accelerates? Or are you easing into it? Please let us know. __________________ 1971 240Z 7MGTE 60-1 powered, 2505 lbs, 487 rwhp 473 torque @ 23 psi, 11.7 @ 125, it was my first and only time, they kicked me out. Build thread 1970 240Z 2JZGTE T76 powered sub 2100 lbs (Street legal track car in work=collecting parts)

September 24th, 2009, 08:57 PM	#260
mike321go Member Join Date: Oct 2006 Location: mill valley, CA Posts: 334	i dont think so...when its warm it idols extremely smooth with no hicups or anything. __________________ http://www.cardomain.com/ride/2559525 www.bertollis.com www.myspace.com/mikegtech

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