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Old 04-21-2009, 02:37 PM   #126
Chris_R
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Gave the G-Valve 2.5 turns this AM. Now the boost buries the needle. (28PSI!!!!!!11) I don't even know what it is at the end of the yellow (4 O'clock position) on a '90 7 series, anyone know?

It ran just fine at almost full throttle until the rear end broke loose. (damp, skinny snow tires) So far so good.
Tell me more about your setup?
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Old 04-21-2009, 03:22 PM   #127
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Tell me more about your setup?
almost completely stock.

1990 780 w/ B230FT+ (188hp stock)

Stock 13c.
Airbox delete with K&N cone routed behind the grill/bumper.
G-Valve.
Mikes chips.

That's it. (so far)
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Old 04-21-2009, 03:25 PM   #128
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pretty sure its 15ish at the end of the yellow, but theyre all different
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Old 04-23-2009, 02:24 PM   #129
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hey mike,any way you can burn an ezk with the reduced timing like we discussed???....
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Old 04-23-2009, 02:31 PM   #130
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Yea, sorry for taking so long to get back to you, i keep clearing out PM's and lost your PM.

I think when we last talked there were a few other outstanding issues with your car we were talking about having you check as almost all others noticed zero to no ping with low boost
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Old 04-23-2009, 03:23 PM   #131
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well it seemed after your chips,i noticed alot of ping.now,it's mostly at higher speeds,like getting on a highway and kicking it.i have gone through pretty much all avenues.it's definitly not lean and i have installed a cooler t stat. i was going to put freds back in to see any changes in this.my engine is a stroker,this may lead to a little more heat and possibly compression i'm thinking??
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Old 04-23-2009, 03:25 PM   #132
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Ah, so you have a 2.5L engine?
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Old 04-24-2009, 11:58 AM   #133
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yes,2.5 i'm thinking i'm going to put the old engine back in.not very happy with it.
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Old 04-24-2009, 12:46 PM   #134
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for the 2.5 you might want to go to a stand alone EMS to get the best state of tune out of it, Personally there is no need for the 2.5L setup unless you are going to really be pushing the limits and even then it is not needed

Do you have a worked head on the engine also?
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Old 04-24-2009, 01:48 PM   #135
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well,i'm not going to get that nuts with all the ems etc. the head has bigger valves and is ported. i wanted to freshen up the engine a while back and with all the talk of the cranks,rods etc. i wanted to try that route.no good in my opinion.it's really not that much quicker than the stock stroke.it's still going to come back out this year sometime.i'm probably going to put fred's chips back in for now,there was hardly any ping with them in.
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Old 04-24-2009, 01:59 PM   #136
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Just change the ign chip only and see how you like it with that setup as the ign chip will pull abit more timing which should help you, my fuel chip should still be mapped worlds better and help ya out. Let me see what we can do for a stroker setup
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Old 04-24-2009, 03:07 PM   #137
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alright,sounds good.i'll get the ezk changed and let you know. Ray
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Old 04-26-2009, 02:57 AM   #138
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Mike...Please tell me you have some of those amazing chips still...and they are still 200 for the set of 2....Ill PM you or aim you tomorrow with the ecu and ign numbers so friday you can have those shipped.
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solution: stay in boost.
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Old 04-26-2009, 08:31 AM   #139
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Yup still got them, I am actually almost out of chips and I need to place a new order soon
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Old 04-29-2009, 02:22 PM   #140
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Update:

I'm noticing much FASTER throttle response. It's like a completely different car. Now, when I say faster, I mean I need to be careful moving from a stop & pulling out & turning 90° or else I'll break.

I just got the 550cc injectors. I also have the NPR, the 3"amm & the cam will be here Friday. Only thing I need is the exhaust.
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Old 04-30-2009, 09:34 AM   #141
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mike,i changed back to freds ezk chip,it's been 3 days now,and there is a big difference.there is hardly any ping,maybe a little at high boost and high rpm's.i was talking to an engine buddy of mine and we were talking about stroker engines etc. he was saying that alot of times bigger engines don't like alot of timing lead.i'm wondering if this holds true with my setup.see what you think,i may need a chip with just a bit less timing still.
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Old 04-30-2009, 09:50 AM   #142
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Originally Posted by dynoray View Post
mike,i changed back to freds ezk chip,it's been 3 days now,and there is a big difference.there is hardly any ping,maybe a little at high boost and high rpm's.i was talking to an engine buddy of mine and we were talking about stroker engines etc. he was saying that alot of times bigger engines don't like alot of timing lead.i'm wondering if this holds true with my setup.see what you think,i may need a chip with just a bit less timing still.
There is a EZK pin grounding mod to advance or retard timing. Fredrik posted it a year or so ago.
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Old 04-30-2009, 09:57 AM   #143
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yes,i know about the grounding,did it on my son's 92 with freds chips,works great.BUT,for some reason it doesn't work on my 93.i tried all of the pins to retard,and it didn't change the timing.fred seemed to think it may be the ezk box.i tried another one and it didn't do anything.if anyone here has run into this,i would love to hear from you.
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Old 05-05-2009, 07:53 AM   #144
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I just got the fuel only chip and HOLY ****ING S**T!!!!!!! It is AMAZING!!!! im gunna raise my boost when i get off work but after i get a new tire, i put my chip in and got on the interstate and blew my tire out, so my fun was cut short.
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Old 05-05-2009, 08:28 AM   #145
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^^^^Glad to see you are liking the newly found power that these chips unlock...report back when the boost has raised
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Old 05-05-2009, 09:42 AM   #146
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not a prob oh an im havin a problem with my boost hoses blowing off my intercooler, i have 3" piping but it doesnt have that lip that stops the clamps from coming off, how could i get one put on? just go to a muffler shop or somethin like that?
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Old 05-05-2009, 12:38 PM   #147
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not a prob oh an im havin a problem with my boost hoses blowing off my intercooler, i have 3" piping but it doesnt have that lip that stops the clamps from coming off, how could i get one put on? just go to a muffler shop or somethin like that?
try pulling it all apart clean all the oil and grime off the pipe. And spray it with hair spray slide back into place and let it dry, it will make it slightly tacky, it will seal better, and stick in place better. But wills still come apart when you need it too.

How much boost are you running now?
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Old 05-05-2009, 01:07 PM   #148
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well i did clean it ill try the hairspray but im running 14.5 psi an i want to go ahead and crank it up to 20 since i have my chip now.
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Old 05-06-2009, 11:22 AM   #149
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I found out what was missing from my setup to take advantage of the chips. Just got RSI to drop one of their stage 1 cams into my car while they were putting the M90 in (hey, they had the shims and the car)...The difference is night and day even before re-learning my ECU! I'm sure no small part of the improvement is from the cam itself, but the new combo works VERY well together. The first time I drove the car I thought Jonathan had goofed the speedo install because there was no way my car should have been doing 85 in that 50 zone that soon, then my GPS agreed with the speedo!

The ECU is still figuring things out, but it had a nice little loapy idle at 500 RPM's until the ECU upped it to about 675 and smoothed it out some. The combination of continuous rain and posted speed limits have kept me from being able to do any WOT pulls yet, but give me a week or so for ECU education and some clear weather and I'll report back.

The new and much improved setup on the car is as follows:

'91 745
92 octane Shell gas
Gutted air box
Clean K&N
Stock MAF - clean and minus rear screen
Stock MAF to cold section boot - the old one was oil soaked and collapsing
Stock IC - probably has about a half quart too much oil in it since the car's bottom end is a bit tired)
Stock TB - Clean
No porting on either intake or exhaust sides
Green tops
15G @13PSI (bigger boost spikes with manual and cam, so I'll be taking a half turn off of the WG actuator rod - CBV diaphragm/spring might be a bit sketchy since I'm hearing bypass air starting at just under atmospheric)
RSI Stage 1 cam at 6 degrees advance (it's an around town scooter, so bottom end takes priority over peak)
MVP 3" DP and full exhaust
M90 with Clutchnet yellow pressure plate and un-sprung organic disc
3.73 OEM snow locker rear end
Dirty Dracos with fresh 205 55 15 Falcon Ziex ZE512's
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Old 05-06-2009, 11:17 PM   #150
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well i did clean it ill try the hairspray but im running 14.5 psi an i want to go ahead and crank it up to 20 since i have my chip now.
how are the pipes holding?
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