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Forum: General Q & A

08-25-2012, 10:33 PM

Replies: 51

MEFI adjustment ideas for rich idle on a Procharged motor?

Views: 14,816

Posted By yellowjacket

Maybe I didn't phrase my question well..... ...

Maybe I didn't phrase my question well.....

If you lose half the resolution does that mean the MAP reference numbers on the axis no longer correlate to the MAP reading that I see on the 2 ATM MAP...

Forum: General Q & A

08-21-2012, 07:55 PM

Replies: 51

MEFI adjustment ideas for rich idle on a Procharged motor?

Views: 14,816

Posted By yellowjacket

Hi Bob good to hear from you. Based on what you...

Hi Bob good to hear from you. Based on what you are saying do I need to multiply the MAP axis marks by 2 in Tuner Pro when tuning with the 2 ATM MAP sensor? Does the ECM scale down to 0 on the MAP...

Forum: General Q & A

08-17-2012, 11:14 PM

Replies: 51

MEFI adjustment ideas for rich idle on a Procharged motor?

Views: 14,816

Posted By yellowjacket

Starts sputtering aroung 15-16 shows 22 as at...

Starts sputtering aroung 15-16 shows 22 as at dies

No IAC surge, it shows 0.

Forum: General Q & A

08-17-2012, 11:02 PM

Replies: 51

MEFI adjustment ideas for rich idle on a Procharged motor?

Views: 14,816

Posted By yellowjacket

Yes tell me where to send it.

Yes tell me where to send it.

Forum: General Q & A

08-15-2012, 11:14 PM

Replies: 51

MEFI adjustment ideas for rich idle on a Procharged motor?

Views: 14,816

Posted By yellowjacket

New 2 bar MAP sensor. Flag is set. KO Engine off...

New 2 bar MAP sensor. Flag is set. KO Engine off MAP is 98.6kpa

Forum: General Q & A

08-15-2012, 11:12 PM

Replies: 51

MEFI adjustment ideas for rich idle on a Procharged motor?

Views: 14,816

Posted By yellowjacket

On the boat now, key on MAP (2atm MAP sensor)...

On the boat now, key on MAP (2atm MAP sensor) shows 98.6kpa

Elevation is Chicago area about 500ft

Forum: General Q & A

08-15-2012, 10:27 PM

Replies: 51

MEFI adjustment ideas for rich idle on a Procharged motor?

Views: 14,816

Posted By yellowjacket

Calibration could be off but I do know and adhere...

Calibration could be off but I do know and adhere to the calibration process. I accidentally disconnected the MTX-L under power two days ago so I recalibrated by pulling sensor out of manifold and...

Forum: General Q & A

08-15-2012, 08:53 PM

Replies: 51

MEFI adjustment ideas for rich idle on a Procharged motor?

Views: 14,816

Posted By yellowjacket

Tried to post this late last night, was OSO down?...

Tried to post this late last night, was OSO down?

Logged some data at idle... BPW around 2.5 msec, 2 atm MAP, sensor 35kpa, rpm 781, iac pos 0, coolant temp 30.5C afr on MTX-L 11.0:1 Any further...

Forum: General Q & A

08-14-2012, 12:02 AM

Replies: 51

MEFI adjustment ideas for rich idle on a Procharged motor?

Views: 14,816

Posted By yellowjacket

Hmmm that makes sense for idle but won't that...

Hmmm that makes sense for idle but won't that affect the peak flow rate? 36/43 x 50 lbs = 42 lbs like almost back to stock flow.

How much power are you making with each motor?

I probably...

Forum: General Q & A

08-13-2012, 11:12 PM

Replies: 51

MEFI adjustment ideas for rich idle on a Procharged motor?

Views: 14,816

Posted By yellowjacket

30 40 50 60 70 80 90 100 ...

30 40 50 60 70 80 90 100
1000RPM: 3.05 4.09 5.37 6.53 7.63 8.61 9.83 11.41
800RPM: 2.50 3.54 4.76 5.55 6.71 7.93 9.09 10.68
600RPM: 2.50 3.30 4.33 5.37 6.23 7.39 8.54 10.31
...

Forum: General Q & A

08-12-2012, 11:51 PM

Replies: 51

MEFI adjustment ideas for rich idle on a Procharged motor?

Views: 14,816

Posted By yellowjacket

1000RPM: 3.05 4.09 5.37 6.53 7.63 8.61 9.83 11.41...

1000RPM: 3.05 4.09 5.37 6.53 7.63 8.61 9.83 11.41
800RPM: 2.50 3.54 4.76 5.55 6.71 7.93 9.09 10.68
600RPM: 2.50 3.30 4.33 5.37 6.23 7.39 8.54 10.31

Tried to upload screenshot but errors occured...

Forum: General Q & A

08-10-2012, 03:13 PM

Replies: 51

MEFI adjustment ideas for rich idle on a Procharged motor?

Views: 14,816

Posted By yellowjacket

Thanks for the link. Interestingly that dealer is...

Thanks for the link. Interestingly that dealer is just up the road from me.

Forum: General Q & A

08-10-2012, 02:38 PM

Replies: 51

MEFI adjustment ideas for rich idle on a Procharged motor?

Views: 14,816

Posted By yellowjacket

Different (upstream of thermostat) feed will be...

Different (upstream of thermostat) feed will be necessary if thermostat is installed right? Not in front of the motor but IIRC closed thermostat would kill intercooler flow the way Procharger...

Forum: General Q & A

08-10-2012, 02:33 PM

Replies: 51

MEFI adjustment ideas for rich idle on a Procharged motor?

Views: 14,816

Posted By yellowjacket

I'm curious how much boost are you running and on...

I'm curious how much boost are you running and on what motor?

Did you need to change the ECM harness for MEFI4? This is a change that I'm interested to make but there are a few projects in front...

Forum: General Q & A

08-10-2012, 02:13 PM

Replies: 51

MEFI adjustment ideas for rich idle on a Procharged motor?

Views: 14,816

Posted By yellowjacket

No changes to those data points yet. Your...

No changes to those data points yet. Your suggestions?

Forum: General Q & A

08-10-2012, 11:12 AM

Replies: 51

MEFI adjustment ideas for rich idle on a Procharged motor?

Views: 14,816

Posted By yellowjacket

There is a minimum incremental change (step) that...

There is a minimum incremental change (step) that will register in the map when you actually save it based on the data resolution (number of bits used to store the number). I have a feeling that...

Forum: General Q & A

08-10-2012, 10:51 AM

Replies: 51

MEFI adjustment ideas for rich idle on a Procharged motor?

Views: 14,816

Posted By yellowjacket

I considered a thermostat / restrictor plates but...

I considered a thermostat / restrictor plates but not for this reason. Can you elaborate on what about the cool heads causes injector puddling at idle? I thought that this only applied to TBI...

Forum: General Q & A

08-09-2012, 10:38 PM

Replies: 51

MEFI adjustment ideas for rich idle on a Procharged motor?

Views: 14,816

Posted By yellowjacket

MEFI adjustment ideas for rich idle on a Procharged motor?

So my motor is finally up and running, tuned with MEFIburn and AFR looks good throughout the rpm range (11:1 accelerating, 13:1 cruise tapering to 11:1 redline [haven't found WOT yet :evilb:])...

Forum: General Boating Discussion

07-10-2012, 10:30 PM

Replies: 51

Fuel Cost to fill up your boat?

Views: 107,166

Posted By yellowjacket

$0 - Almost finished building my own blower motor...

$0 - Almost finished building my own blower motor due to mechanic losing his nerve after disassembling my boat :(
Previously $200-$300/weekend (about 1/2 of 100 gal tank) on the Fox Chain @ $5/gal...

Forum: Classic Offshore

07-03-2012, 09:34 PM

Replies: 32

Pictures of Four Winns lake house

Views: 34,411

Posted By yellowjacket

I found the "Four Winns" house for sale on google...

I found the "Four Winns" house for sale on google in case anyone's interested. $7 000 000 and it's yours:eekdrop:
http://www.realtor.com/realestateandhomes-search/Charlevoix_MI?source=web

Forum: General Q & A

06-08-2012, 11:16 PM

Replies: 2

7.4 MPI (1998) fuel line fitting to fuel rail specs?

Views: 820

Posted By yellowjacket

Just in case anyone is searching for this i...

Just in case anyone is searching for this i figured it out. i was correct, the fitting is 16mm x 1.5 o-ring. The aeroquip fitting link above is correct or you can save a couple bucks and get the same...

Forum: General Q & A

06-06-2012, 12:52 PM

Replies: 2

7.4 MPI (1998) fuel line fitting to fuel rail specs?

Views: 820

Posted By yellowjacket

7.4 MPI (1998) fuel line fitting to fuel rail specs?

I'm building a fuel line and I do not have the original. It appears to be a metric 16mm x 1.5 o-ring fitting. I found this connector but I'm not sure...
...

Forum: Baja

03-21-2012, 10:16 PM

Replies: 10

250ES Refresh - built 454 mag or new 502

Views: 3,952

Posted By yellowjacket

I know the tach was off so that was an educate...

I know the tach was off so that was an educate guess, gps was real over and over. I'm curious to know how you calculated?

Forum: General Q & A

03-20-2012, 10:54 PM

Replies: 0

454 mag rebuild recommendations for procharger?

Views: 1,015

Posted By yellowjacket

454 mag rebuild recommendations for procharger?

Hello everyone,

I'm considering rebuilding my 454 mag (stock gen IV carbed 365) and installing a procharger M1 12 rib as an alternative to a new 502 roller motor (505hp/567tq). I'd like to be...

Forum: Baja

03-16-2012, 09:21 PM

Replies: 10

250ES Refresh - built 454 mag or new 502

Views: 3,952

Posted By yellowjacket

Ha ha sounds like fun. I read your post about...

Ha ha sounds like fun. I read your post about buying the boat and identifying the motor. I bought this boat and sold a 1990 Baja 190DSR with a 262mag (4.3). Both of them yellow with black graphics...

Showing results 1 to 25 of 30