Probee's GT2871R LCR

[probee]

Dave the Pull was on 3 last time and now its on 4... Logs below

NEW PUMP.... Same boost as last logs... now meeting requested but requested is higher??

Sunday	22	November	2009	14:35:36					
1ML 906 032 A  		1.8l R4/5VT         0001							
									
	Group A:	'031			Group B:	'003			
		Lambda Factor	Lambda Factor	Bin. Bits		RPM	Mass Flow	Load	Ign. Timing
	TIME				TIME				
MARKER	STAMP				STAMP	 /min	 g/s	%	 °ATDC
									
	8.46	0.914	1	        	8.86	3280	23.61	14.1	37.5
	9.28	1.016	1	        	9.68	3360	41.42	22.4	36
	10.08	0.969	1	        	10.48	3480	49.64	25.1	35.3
	10.88	1	1	        	11.28	3680	73.58	31.4	30.8
	11.69	0.961	1	        	12.09	4000	138.75	99.6	18
	12.49	0.984	0.93	        	12.89	4520	168.5	100	9.8
	13.29	0.836	0.852	        	13.69	5000	182.19	100	10.5
	14.09	0.821	0.836	        	14.51	5480	203.5	100	9.8
	14.91	0.828	0.836	        	15.31	5920	211.61	100	11.3
	15.72	0.828	0.836	        	16.11	6320	225.08	99.6	12
	16.51	0.836	0.836	        	16.91	6720	232.28	100	12.8
	17.32	0.844	0.836	        	17.74	6080	0	6.7	7.5

Boost raised 2lb...

Sunday	22	November	2009	14:43:08					
1ML 906 032 A  		1.8l R4/5VT         0001							
									
	Group A:	'031			Group B:	'003			
		Lambda Factor	Lambda Factor	Bin. Bits		RPM	Mass Flow	Load	Ign. Timing
	TIME				TIME				
MARKER	STAMP				STAMP	 /min	 g/s	%	 °BTDC
									
	4.43	0.961	0.945	        	4.03	3360	41.31	22.4	35.3
	5.23	0.922	0.899	        	4.83	3480	65.72	29.4	28.5
	6.03	0.797	0.711	        	5.63	3760	108.14	88.2	10.5
	6.85	0.782	0.797	        	6.45	4120	132.39	100	13.5
	7.65	0.789	0.805	        	7.25	4560	151.58	100	15
	8.45	0.805	0.797	        	8.05	5000	190.64	100	11.3
	9.26	0.883	0.789	        	8.86	5760	233.75	100	10.5
	10.06	0.883	0.797	        	9.66	6000	234.08	99.6	11.3
	10.86	0.922	0.797	        	10.48	6440	246.81	100	11.3
	11.66	1	0.774	        	11.28	6760	228.19	29	0.8
	12.48	0.852	0.805	        	12.08	5280	129.17	85.1	12
									
									
Sunday	22	November	2009	14:43:48					
1ML 906 032 A  		1.8l R4/5VT         0001							

	Group A:	'031			Group B:	'003			
		Lambda Factor	Lambda Factor	Bin. Bits		RPM	Mass Flow	Load	Ign. Timing
	TIME				TIME				
MARKER	STAMP				STAMP	 /min	 g/s	%	 °BTDC

	8.81	0.852	0.836	        	8.41	3680	70.78	37.6	23.3
	9.62	0.836	0.797	        	9.21	3920	134.44	100	13.5
	10.42	0.821	0.797	        	10.02	4240	198.58	100	6.8
	11.22	0.75	0.797	        	10.82	4640	184.47	100	9
	12.02	0.75	0.797	        	11.62	4920	197.03	100	8.3
	12.84	0.789	0.797	        	12.44	5200	209.58	100	9
	13.64	0.821	0.797	        	13.24	5520	217.22	100	9.8
	14.44	0.852	0.797	        	14.04	5760	230.83	100	9.8
	15.26	0.875	0.797	        	14.86	6040	234.83	100	11.3
	16.06	0.899	0.797	        	15.66	6280	245.67	100	10.5
	16.86	0.906	0.797	        	16.47	6520	249.08	100	12
	17.67	0.852	0.782	        	17.27	6720	251.03	98.8	7.5

CF's

Sunday	22	November	2009	14:41:34						
1ML 906 032 A  		1.8l R4/5VT         0001								
										
	Group A:	'003				Group B:	'020			
		RPM	Mass Flow	Load	Ign. Timing		Idle Stabilization	Idle Stabilization	Idle Stabilization	Idle Stabilization
	TIME					TIME				
MARKER	STAMP	 /min	 g/s	%	 °BTDC	STAMP	 CF	 CF	 CF	 CF
										
	19.72	3720	44.22	23.5	37.5	19.31	0	0	0	0
	20.52	3800	60.08	25.5	16.5	20.12	0	0	0	0
	21.32	3880	79.06	30.2	22.5	20.92	0	0	0	0
	22.12	4080	150.56	99.6	13.5	21.72	0	0	0	0
	22.94	4440	201.83	100	7.5	22.54	0	0	0	0
	23.74	4720	186.5	100	9	23.34	0	0	0	0
	24.54	5000	202.97	100	9.8	24.14	0	0	0	3
	25.36	5320	215.22	100	7.5	24.96	0	0	0	3
	26.16	5560	220.39	100	9.8	25.76	0	0	0	3
	26.96	5840	233.36	100	9.8	26.56	0	0	0	1.5
	27.77	6080	241.14	100	8.3	27.35	0	0	0	1.5
	28.57	6280	242.64	100	9	28.17	0	0	0	1.5
	29.37	6520	246.44	100	9.8	28.99	0	0	0	0.8
	30.17	5160	6.03	7.8	4.5	29.77	0	0	0	0

Injector Duty.... OUCH!!!

Sunday	22	November	2009	14:52:05			
1ML 906 032 A  		1.8l R4/5VT         0001					
							
	Group A:	'002				Group B:	
		RPM	Load	Inj. On Time	Mass Flow		
	TIME					TIME	
MARKER	STAMP	 /min	%	 ms	 g/s	STAMP	     IDC
							
	8.05	3240	80.5	7.14	53.81		19.278
	8.45	3360	97	9.86	66.72		27.608
	8.85	3520	128.6	11.9	94.36		34.90666667
	9.25	3720	148.1	13.26	112.92		41.106
	9.65	3920	169.2	15.3	136.56		49.98
	10.05	4160	191	17.34	157.78		60.112
	10.46	4440	191.7	17	167.11		62.9
	10.85	4680	191.7	18.36	201.61		71.604
	11.26	5000	191.7	18.36	213.31		76.5
	11.66	5280	191.7	19.38	221.22		85.272
	12.06	5560	191.7	21.08	225.78		97.67066667
	12.46	5800	191.7	21.08	233.36		101.8866667
	12.86	6000	191.7	22.44	237.39		112.2
	13.28	6240	191.7	23.46	242.94		121.992
	13.68	6480	191.7	23.46	251.42		126.684
	14.08	6680	191.7	22.44	252.19		124.916
	14.48	6760	12.8	1.36	0		7.661333333

 

[DPJ]

The CFs aren't bad considering how lean it seems to be running....

 

[DPJ]

Have you tried calculating (checking) a/f from maf and injector duty cycle?

 

[probee]

im still trying to get my head around it all Dave. i now have an oversized pump yet im lacking fuel and as you say it looks to be performing quite well. Fueling is still showing 25% and still no code???

do you think i need to buy a fuel pressure gauge to make sure its doing what its meant to be doing and there isnt a problem in between....

 

[probee]

Have you tried calculating (checking) a/f from maf and injector duty cycle?

no not yet mate... ill need to look back over yours and my thread so i can remember all the figures/weights.

i was thinking about this earlier. wouldnt it be nice if we had a sticky with all this info in....

IDC calcs
A/F calcs
anymore you can think of....

 

[DPJ]

Personally, I don't think pressure at the rail is your problem, but we shouldn't discount anything........

Try doing the math on fuel mass first......

 

[probee]

ok, will do, Thank you

Dinner first then revision time

 

[DPJ]

I meant before you shell £££ out on a gauge.

 

[Wilko]

550s which i think you're running should have no problem fueling over 300g/s, so either you have a fuel pressure issue or they aren't 550's.

I've only just maxed out 550's at 4 bar. You could try my injectors on yours. 750's go on mine next week.

 

[probee]

Theres an problem there somewhere.... i am concerned about that hose but i dont think it would be that bad.

Thats very kind of you to offer your injectors John, i may take you up on it (id cover all costs of course) but if they are wrong they will be going back (for the second time) and they will supply the correct ones. are you running Genesis injectors? if so, what colour are they? mine are beige.

EDIT: im tired and actually struggling with the calcs Dave... Ill keep trying but tomorrow may bring some inspiration.. Also John, your car is amazing, ive just been thinking about what youre flowing to max out 550s @4bar..

 

[Skorchio]

You have not told them how much a PITA the pump was

I may have to steal them LEDS off you mate if i can. Also let me know whens good for cutting the Alli, Im going to make a Cardboard model tomorrow using the Dims from the CAD, if alls good ill be ready when you are

 

[Wilko]

Aaron
mine are just like the picture on usrt
http://www.usrallyteam.com/index.php?main_page=popup_image&pID=100

some of the maxing out of injectors is revs. New limit wil be 8k, and 550s are maxed beyond 7k on mine. Turbo is 52lb/min, and I intend to max it out.

 

[probee]

You have not told them how much a PITA the pump was

I may have to steal them LEDS off you mate if i can. Also let me know whens good for cutting the Alli, Im going to make a Cardboard model tomorrow using the Dims from the CAD, if alls good ill be ready when you are

no i didnt but it worked out well in the end... i didnt have my phone cable at home so couldnt upload the pics, i will later.

Aaron
mine are just like the picture on usrt
http://www.usrallyteam.com/index.php?main_page=popup_image&pID=100

some of the maxing out of injectors is revs. New limit wil be 8k, and 550s are maxed beyond 7k on mine. Turbo is 52lb/min, and I intend to max it out.

if youre doing a rolling road day anytime soon let me know, it would be good to meet you and have a look at your car.

it looks like i have been given the wrong injectors.... im trying to get to the bottom of it, ill let you know how i get on.

 

[probee]

 

[DPJ]

Just looking at the maths......

Something's wrong.

In the 6000 - 6600 rev band - my injector timings with Genesis 550s are in the 14-13ms region - yours are in the 23-22ms region. This would be telling me you're injectors are waaay undersized.....

 

[DPJ]

3bar fpr - I'd guess they're about 330?


(or it's fuel pressure)

 

[probee]

Thanks for doing some sums Dave i think they must be undersized.


I dont want to pull one to have a look but they should be Black... mine are cream. ive been trying to find out what size cream injectors are but i havent had much luck. this is so annoying as they got the injectors wrong the first time but i spotted it and they were replaced. i didnt check these ones but apparently they had 550cc genesis on the bag.

 

[DPJ]

Just been to look at mine - they're black.

 

[Backdraft]

550's are black. White/cream ones are less cc iirc.

 

[probee]

Just been to look at mine - they're black.

Thanks... the evidence is stacking up.... on the bright side, its and easy fix and explains everything.

550's are black. White/cream ones are less cc iirc.

thank you....

when you put your faith with a tuner you expect their expertise to supply you with the correct parts... this is dangerous, i wonder how i would have stood if i were never to have done any logs, wound the boost up and tried to claim on their incompetence when things went bad.

Rant over