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Forum: performance & modifications 04-19-2020, 11:10 AM
Replies: 77
Views: 30,494
Posted By lummert
Update: After fixing the Fuel hose leak I swapped...

Update: After fixing the Fuel hose leak I swapped back to the BMW coolant temp sensor with white connector. Idle is better, still have some more tweaking to do. Average mpg with the sensor with blue...
Forum: performance & modifications 03-24-2020, 10:57 PM
Replies: 77
Views: 30,494
Posted By lummert
After replacing the hose from the metal fuel line...

After replacing the hose from the metal fuel line to the inlet to the main pump I'm going to have to mess with the baseline setting again. The overly rich smell from the exhaust coming in my car when...
Forum: performance & modifications 03-12-2020, 09:30 PM
Replies: 77
Views: 30,494
Posted By lummert
Update: as soon as weather permitted I switched...

Update: as soon as weather permitted I switched back to the ECT with the blue connector. The engine was taking too much cranking to start when cold.

Update: I had been smelling fuel whenever I got...
Forum: performance & modifications 03-05-2020, 12:01 PM
Replies: 77
Views: 30,494
Posted By lummert
Update: After much testing of the ECT with white...

Update: After much testing of the ECT with white connector from BMW I decided to give it another chance. I had forgotten that temp sensors need to be tested in liquid.

After reinstalling the...
Forum: performance & modifications 02-03-2020, 07:00 PM
Replies: 77
Views: 30,494
Posted By lummert
AMM is adjusted. Idle is great. Cold starts...

AMM is adjusted. Idle is great. Cold starts great. Warm starts great. Averaging 20-21 mpg.

Bosch 0 280 155 811 injectors
Bosch 0 280 160 226 2.5 Bar fuel pressure regulator
ECT is OEM with the...
Forum: performance & modifications 01-15-2020, 02:52 PM
Replies: 77
Views: 30,494
Posted By lummert
Update: No matter what I try the Bosch 0 280 155...

Update: No matter what I try the Bosch 0 280 155 811 injectors just won't work at 3 Bar when running LH2.2. Had issues with cold start and what seemed like flooding during warm restart. also had...
Forum: performance & modifications 12-03-2019, 01:52 PM
Replies: 77
Views: 30,494
Posted By lummert
Update: Here we are again. After still having the...

Update: Here we are again. After still having the issue that car runs like a fair weather car (good during good weather, not enough power when driving against the wind), I swapped back to Bosch 3.0...
Forum: performance & modifications 11-16-2019, 09:48 PM
Replies: 77
Views: 30,494
Posted By lummert
Update: Car was running fine in decent weather....

Update:
Car was running fine in decent weather. As soon as it got colder the MPG's dropped to 18. When it was cold outside it seemed to have less power when pushing against the wind. I had also...
Forum: performance & modifications 11-02-2019, 07:28 PM
Replies: 77
Views: 30,494
Posted By lummert
Wind and cold weather with this combo averaging...

Wind and cold weather with this combo averaging 20.6 mpg.
Forum: performance & modifications 10-24-2019, 06:40 PM
Replies: 77
Views: 30,494
Posted By lummert
BMW temp sensor and 2.5 Bar fuel pressure...

BMW temp sensor and 2.5 Bar fuel pressure regulator going well.

Tested the fuel pressure or BMW 2.5 Bar FPR with tester. 36 psi with vacuum connected. 39 psi with vacuum disconnected.
Forum: performance & modifications 10-11-2019, 09:36 PM
Replies: 77
Views: 30,494
Posted By lummert
Found best running with these injectors is with: ...

Found best running with these injectors is with:

Bosch 0 280 160 226 2.5 Bar FPR from BMW 318i

Bosch 0 280 130 023 coolant temp sensor with white insulator from BMW. Replacement may have green...
Forum: performance & modifications 09-06-2019, 09:30 PM
Replies: 77
Views: 30,494
Posted By lummert
Note to self: Get rid of all BMW fuel system...

Note to self: Get rid of all BMW fuel system parts so that I don't keep trying to use them expecting a different result.

Today I swapped back to the GM 3 Bar fuel pressure regulator. With the BMW...
Forum: performance & modifications 09-03-2019, 08:20 PM
Replies: 77
Views: 30,494
Posted By lummert
Yesterday I swapped the BMW coolant temp sensor...

Yesterday I swapped the BMW coolant temp sensor for the correct LH 2.2 sensor with blue connector. This made an improvement in the idle quality.

Bosch 0 280 155 811 injectors
BMW 320i 2.5 Bar...
Forum: performance & modifications 08-30-2019, 09:59 PM
Replies: 77
Views: 30,494
Posted By lummert
Since fixing the leaking injector problem I've...

Since fixing the leaking injector problem I've been averaging 24 mpg. But the hot restarts were acting like too much fuel. Cold start may have been too much fuel.

Yesterday I swapped the Buick 3...
Forum: performance & modifications 08-10-2019, 12:13 AM
Replies: 77
Views: 30,494
Posted By lummert
A day later and i had the top o-ring rip on...

A day later and i had the top o-ring rip on number 4 injector and spray fuel when trying to start engine. Engine started but I smelled raw fuel, looked out drivers window and saw fuel running out...
Forum: performance & modifications 08-07-2019, 08:58 PM
Replies: 77
Views: 30,494
Posted By lummert
While replacing my 30k mile Autolite XP63 spark...

While replacing my 30k mile Autolite XP63 spark plugs with a new set I had on hand I found that number 4 plug had lots of white ash deposits. So I pulled the fuel rail to swap in a spare injector to...
Forum: performance & modifications 08-01-2019, 08:49 PM
Replies: 77
Views: 30,494
Posted By lummert
Been running these injectors for awhile now....

Been running these injectors for awhile now. Buick 3.0 Bar FPR, BMW white connector ECT, Open breather filter on valve cover. Toyota Supra Twin Turbo PCV valve mounted between block mounted oil...
Forum: performance & modifications 01-03-2019, 09:48 AM
Replies: 77
Views: 30,494
Posted By lummert
After taking time to set the baseline fuel...

After taking time to set the baseline fuel mixture the MPG's are up to 20.94.
Forum: performance & modifications 01-01-2019, 05:17 PM
Replies: 77
Views: 30,494
Posted By lummert
Increasing the fuel pressure from 39 psi to 44...

Increasing the fuel pressure from 39 psi to 44 psi increased my MPG's from 14 to 19.8.
Forum: performance & modifications 12-31-2018, 05:42 PM
Replies: 77
Views: 30,494
Posted By lummert
Running these 0 280 155 811 injectors at 2.5 Bar...

Running these 0 280 155 811 injectors at 2.5 Bar resulted in an average of 14 MPG with my 1988 B230FT on LH 2.2. Yesterday I dug out another Bosch 0 280 160 237 3 Bar Fuel Pressure Regulator that was...
Forum: performance & modifications 12-21-2018, 11:48 AM
Replies: 77
Views: 30,494
Posted By lummert
I figure they would work just fine a 3 bar with a...

I figure they would work just fine a 3 bar with a larger AMM.
Forum: performance & modifications 12-18-2018, 03:33 PM
Replies: 77
Views: 30,494
Posted By lummert
One thing I know for sure is that these injectors...

One thing I know for sure is that these injectors (Bosch 0 280 155 811) work best at 39.15 psi (2.7 Bars), same as when running these on a Ford Mustang.
Forum: performance & modifications 12-18-2018, 02:59 PM
Replies: 77
Views: 30,494
Posted By lummert
Found specs for 36 lbs/hr injectors when running...

Found specs for 36 lbs/hr injectors when running at 39.15 psi (2.7 Bars).

34.0 lbs/hr @ 39.15 psi
357.3 cc/min @ 2.7 Bars
257 grams/min @ 2.7 Bars

35.84 lbs/hr @ 43.5 psi
376.7 cc/min @ 3...
Forum: performance & modifications 11-22-2018, 02:54 PM
Replies: 77
Views: 30,494
Posted By lummert
Today I found a different dwell to duty cycle...

Today I found a different dwell to duty cycle conversion chart. I retested with the dwell meter on a warm engine and got 36 degrees on 6 cyl scale. According to this chart 36 degrees on 6 cylinder...
Forum: performance & modifications 11-19-2018, 01:04 PM
Replies: 77
Views: 30,494
Posted By lummert
Swapped to a second BMW 2.5 Bar FPR because car...

Swapped to a second BMW 2.5 Bar FPR because car was hard to start this morning (35* F) with the Buick 3.0 Bar FPR. Now to wait for it to warm up a bit outside to do a pressure test with this other...
Forum: performance & modifications 11-18-2018, 10:11 PM
Replies: 77
Views: 30,494
Posted By lummert
Starting to notice that these injectors work...

Starting to notice that these injectors work better at 2.7 Bar fuel pressure. Engine idles rough until it warms up at 3 Bar fuel pressure. Duty cycle is nearly the same at either fuel pressure. Idle:...
Forum: performance & modifications 11-18-2018, 04:40 PM
Replies: 77
Views: 30,494
Posted By lummert
Swapped back to Bosch 0 280 160 237 3.0 Bar fuel...

Swapped back to Bosch 0 280 160 237 3.0 Bar fuel pressure regulator from 1989 Pontiac Turbo Trans Am.

Fuel pressure test:
40 PSI w/ vacuum hose connected
44 PSI w/o vacuum hose connected and...
Forum: performance & modifications 11-17-2018, 04:57 PM
Replies: 77
Views: 30,494
Posted By lummert
Today I swapped back to the BMW 0 280 130 023...

Today I swapped back to the BMW 0 280 130 023 ETC.

Lowered the Idle duty cycle to 61% (36.5* on 6 cylinder scale, 27.5* on 8 cylinder scale) from 67%.

The engine off/key off duty cycle...
Forum: performance & modifications 11-16-2018, 01:54 PM
Replies: 77
Views: 30,494
Posted By lummert
Went out in the cold ass weather to check duty...

Went out in the cold ass weather to check duty cycle using a higher quality KarCheck Dwell Meter, Clark engine analyzer, and LED tester. All 3 connected between the ECU test lead and battery...
Forum: performance & modifications 11-14-2018, 08:03 PM
Replies: 77
Views: 30,494
Posted By lummert
I don't have a fresh O2 sensor, but I have 2...

I don't have a fresh O2 sensor, but I have 2 spare OE O2 sensors, The O2 sensor is switching, I've checked for that.
Forum: performance & modifications 11-14-2018, 12:57 PM
Replies: 77
Views: 30,494
Posted By lummert
I used a dwell meter to check for injector...

I used a dwell meter to check for injector duty-cycle using the 6 Cyclinder scale. got 21 degrees or 35% duty-cycle at idle. This is with adjusting the AMM pot screw to just a hair rich (LED...
Forum: performance & modifications 11-14-2018, 10:29 AM
Replies: 77
Views: 30,494
Posted By lummert
I made my LED tool with a large 12 volt LED from...

I made my LED tool with a large 12 volt LED from Radio Shack. This LED has a built in resistor, so addingbresistors isn't needed. It has been my experience that adjusting the AMM pot screw effects...
Forum: performance & modifications 11-10-2018, 03:47 PM
Replies: 77
Views: 30,494
Posted By lummert
These are my calculations: 0 280 155 811...

These are my calculations:

0 280 155 811 injectors:
34.3 lbs/hr @ 43.5 psi
360.5 cc/min @ 3.0 bar

32.48 lbs/hr @ 39 psi
341.36 cc/min @ 2.7 bar

Idle pressure with 2.7 bar fpr: 30 psi
Forum: performance & modifications 11-09-2018, 12:47 PM
Replies: 77
Views: 30,494
Posted By lummert
Finally got the Schrader valve hose replaced on...

Finally got the Schrader valve hose replaced on my fuel pressure tester. 0 280 160 225 - 2.5 Bar fuel pressure regulator from BMW 325e pressure test results:

39 psi w/o vacuum hose connected
30...
Forum: performance & modifications 11-07-2018, 11:17 AM
Replies: 77
Views: 30,494
Posted By lummert
Yesterday I tried advancing the ignition timing a...

Yesterday I tried advancing the ignition timing a bit. The idle improved. I then adjusted the AMM baseline setting until the LED was almost constantly lit, but still blinking. I then hooked up a...
Forum: performance & modifications 11-05-2018, 07:51 PM
Replies: 77
Views: 30,494
Posted By lummert
0 280 155 811 specs from Bosch... 3.5 bar...

0 280 155 811 specs from Bosch...
3.5 bar operating pressure
282 grams/min @ 3.5 bar
261.1 grams/min @ 3 bar
373 cc/min @ 3 bar
15* spray angle
8*-24* spray area amount
92 Design type...
Forum: performance & modifications 11-05-2018, 06:17 PM
Replies: 77
Views: 30,494
Posted By lummert
Specification for the BMW 325e FPR is 38 psi.

Specification for the BMW 325e FPR is 38 psi.
Forum: performance & modifications 11-05-2018, 06:04 PM
Replies: 77
Views: 30,494
Posted By lummert
Today I swapped the BMW engine temperature sensor...

Today I swapped the BMW engine temperature sensor [0 280 130 023] back to the correct OE sensor [0 280 130 026]. The engine then ran so rich that I couldn't adjust the AMM baseline idle setting. But...
Forum: performance & modifications 11-04-2018, 09:41 PM
Replies: 77
Views: 30,494
Posted By lummert
Not a good idea to install Bosch GEN III injector...

Not a good idea to install Bosch GEN III injector using pintle caps. The injectors are shorter requiring a yellow spacer leaving no possibility to install the pintle caps. Installing the injector...
Forum: performance & modifications 11-04-2018, 03:01 PM
Replies: 77
Views: 30,494
Posted By lummert
Yes, I've read this.

Yes, I've read this.
Forum: performance & modifications 11-03-2018, 12:53 PM
Replies: 77
Views: 30,494
Posted By lummert
I checked the AMM between pins 2 and 3 with my...

I checked the AMM between pins 2 and 3 with my multimeter and came up with 4.5 ohms. According to LH2.2/2.4 Fuel Management Information **Updated** from Bentley Manual the resistance between pins 2...
Forum: performance & modifications 11-02-2018, 09:10 PM
Replies: 77
Views: 30,494
Posted By lummert
Figured out how to modify pintle caps to work on...

Figured out how to modify pintle caps to work on Bosch GEN III injectors with recessed tips. Use the lower barrel of a Pilot G-2 gel pen. Press the pintle cap onto the threaded part of the barrel....
Forum: performance & modifications 10-31-2018, 06:10 PM
Replies: 77
Views: 30,494
Posted By lummert
Swapping back to the 0 280 150 934 white-top...

Swapping back to the 0 280 150 934 white-top injectors didn't go as planned. One of the injectors was dead. Swapped back to the 0 280 155 811 white giants. Swapped back to the 3 bar fuel pressure...
Forum: performance & modifications 10-31-2018, 03:18 PM
Replies: 77
Views: 30,494
Posted By lummert
If the AMM is adjusted to 004 ohms (380 ohms...

If the AMM is adjusted to 004 ohms (380 ohms starting point) with Bosch White Giant injectors and 2.5 Bar fuel pressure regulator do I need to do anything with the ignition timing? I'm thinking that...
Forum: performance & modifications 10-31-2018, 12:39 PM
Replies: 77
Views: 30,494
Posted By lummert
Managed to find washer and pintle cap kits at...

Managed to find washer and pintle cap kits at Advance Auto. $1.29 plus tax for 8 kits. Next is a O-ring kit. About $4.49 for 12 o-rings.

My car is being really thirsty with the White Giant...
Forum: performance & modifications 10-30-2018, 03:12 PM
Replies: 77
Views: 30,494
Posted By lummert
Still looking for comments on reinstalling the 0...

Still looking for comments on reinstalling the 0 280 150 934 - 30 lbs/hr @ 43.5 psi (315 cc/min @ 3 Bar) injectors. These injectors came from a Supercharged Buick 3.8L V6. They are high-resistance...
Forum: performance & modifications 10-27-2018, 08:02 PM
Replies: 77
Views: 30,494
Posted By lummert
Tested the 2 spare 0 280 150 934 injectors. They...

Tested the 2 spare 0 280 150 934 injectors. They passed, so I now have 4 good injectors out of 6.

Now the big question...Do I keep running the GEN III 0 280 155 811 White-top injectors flowing...
Forum: performance & modifications 10-26-2018, 08:45 PM
Replies: 77
Views: 30,494
Posted By lummert
I pressure tested the four Bosch 0 280 150 934...

I pressure tested the four Bosch 0 280 150 934 injectors that I was previously running at 20 psi. Two of the four leaked down within 5 minutes.
Forum: performance & modifications 10-25-2018, 04:47 PM
Replies: 77
Views: 30,494
Posted By lummert
I'm trying to devise a test to check the Bosch 0...

I'm trying to devise a test to check the Bosch 0 280 150 943 injector that I took out for leaks. I know I should have tested the injectors for leak down before pulling them from the B230 fuel rail....
Forum: performance & modifications 10-23-2018, 04:06 PM
Replies: 77
Views: 30,494
Posted By lummert
Update: Tried the 0 280 155 811 injectors...

Update:

Tried the 0 280 155 811 injectors with the 3 bar FPR again. Unable to properly adjust the AMM with these injectors @ 3 bar. swapped back to the 2.5 bar FPR.

Noticed something else...I...
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