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Type: Posts; User: ajm8127
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05-17-2013, 09:47 AM
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You are right. I was off by a factor of 2,...
You are right. I was off by a factor of 2, possibly due to lack of coffee. It's annoying me that I can't replicate the error I made though.
I was also assuming it could not inject right at the... -
05-17-2013, 07:43 AM
Thread: N54 AT: Looking for Cooling Upgrades
by ajm8127- Replies
- 19
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- 379
LOL, love the avatar. I hate the ER cooler's...
LOL, love the avatar.
I hate the ER cooler's rear louver piece. Looks pretty restrictive to airflow. I would come up with a different solution for the rear. Maybe the same piece, but with the... -
05-17-2013, 07:09 AM
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@V8Bait...
@V8Bait
Thanks, did not know this. I never made the connection between each 25% of injector duty cycle of a port injector = 1 stroke of a given piston.
FWIW, 8k rpm means each one of the four... -
05-17-2013, 06:59 AM
Thread: Some addl fuel system testing
by ajm8127- Replies
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A dual trace log with the output of the high...
A dual trace log with the output of the high pressure sensor at the rail and the PWM input to the fuel pump might shed some light. Or if you could integrate a PWM input to the JB4 to log the HPFP...
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05-16-2013, 03:39 PM
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Even if the engine did operate in stratified...
Even if the engine did operate in stratified mode, it would only do so during part throttle cruising. Under WOT, it would always operate in homogenous mode because lambda must be below 1 when WOT, or...
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05-16-2013, 03:31 PM
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The DI system would possibly be a limitation if...
The DI system would possibly be a limitation if it ever operated in stratified mode, but in the US the DI system only runs in homogenous mode (stratified mode requires a DeNOx catalyst, which is...
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05-16-2013, 10:28 AM
Thread: Custom Fabricated Oil Cooler
by ajm8127- Replies
- 25
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- 489
Division of Holley. ...
Division of Holley.
http://www.holley.com/index.asp?division=earls
My setup is very similar to the DIY oil cooler found on the other site by user "boom". It just uses AN lines to connect the... -
05-16-2013, 08:50 AM
Thread: N54 AT: Looking for Cooling Upgrades
by ajm8127- Replies
- 19
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- 379
This goes along with what I am saying. The...
This goes along with what I am saying. The transmission dumps it's heat into the coolant, and the radiator needs to dissipate this heat. If you remove the heat from the ATF first, and then feed it...
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05-15-2013, 03:54 PM
Thread: N54 AT: Looking for Cooling Upgrades
by ajm8127- Replies
- 19
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- 379
I would drain the coolant once and fill with...
I would drain the coolant once and fill with distilled water. Do the water pump bleed then bring the vehicle to operating temp to open the thermostat. Then drain the coolant again ( I recommend...
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05-15-2013, 03:25 PM
Thread: Custom Fabricated Oil Cooler
by ajm8127- Replies
- 25
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- 489
Setrab or Earls would be good choices. I am happy...
Setrab or Earls would be good choices. I am happy with my custom Earl's setup.
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05-15-2013, 03:06 PM
Thread: First N54 plug change
by ajm8127- Replies
- 23
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- 546
It's common for a little gas to get in the oil...
It's common for a little gas to get in the oil (blow by). Blackstone actually recommends you bring the oil up to operating temperature before taking a sample to allow the gas to evaporate. If you...
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05-15-2013, 02:59 PM
Thread: N54 AT: Looking for Cooling Upgrades
by ajm8127- Replies
- 19
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- 379
BavarianBullet is right on about Glycol. It is...
BavarianBullet is right on about Glycol. It is mainly used to prevent the water from freezing, it does raise the boiling point, but so does the pressure the coolant system is designed to run under....
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05-15-2013, 01:11 PM
Thread: tours from paris is now here!
by ajm8127- Replies
- 2
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- 50
And while you are there, you can contact other...
And while you are there, you can contact other uses on this site about finding an escort.
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05-15-2013, 01:10 PM
Thread: N54 AT: Looking for Cooling Upgrades
by ajm8127- Replies
- 19
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- 379
Have you looked into transmission cooling or...
Have you looked into transmission cooling or water wetter? I used water wetter and saw about a 10 degree reduction in oil temps. Cooling the transmission fluid before it makes it to the oil/water...
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05-15-2013, 12:03 PM
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Maybe you should step it up to 12.9....
Maybe you should step it up to 12.9. McMaster-Carr has the bolts.
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05-15-2013, 08:37 AM
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Those part numbers include programming, so it's...
Those part numbers include programming, so it's not indicative of a physically different part, although we know the two mechatronics for the 6HP21 are different, but we suspect the difference to be...
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05-15-2013, 08:25 AM
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What is the class rating stamped on the head of...
What is the class rating stamped on the head of the bolt? 8.8, 10.9, 12.9?
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05-14-2013, 06:27 PM
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I would use a 6HP28 from a 335d. I don't have a...
I would use a 6HP28 from a 335d. I don't have a shop or the funds or the time to try this.
I suggest instead of just using the transmission with the highest torque rating you can find, try to... -
05-14-2013, 03:35 PM
Thread: Poll - $30K price range, fun cars
by ajm8127- Replies
- 176
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- 4,668
Poll: It's interesting that the 370 motor had oil...
It's interesting that the 370 motor had oil consumption issues early. The VQ35 suffered from it's share of oil consumption problems as well for the first couple years it was out. Turned out to be...
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05-14-2013, 02:51 PM
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Sure, a little Loctite goes a long way. Moral...
Sure, a little Loctite goes a long way.
Moral of the story - replace the damn bolts like you are supposed to! -
05-14-2013, 02:39 PM
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Something isn't right then. I used no Loctite,...
Something isn't right then. I used no Loctite, and brand new bolts. Torqued them once during the LSD install and have no had a problem since.
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05-14-2013, 12:18 PM
Thread: Downpipe Rattle / Whiteish smoke
by ajm8127- Replies
- 48
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- 672
I agree with everything you said there....
I agree with everything you said there. :handgestures-thumb:
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05-14-2013, 08:59 AM
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30584 30583 I wanted to add these here....
30584
30583
I wanted to add these here. What I notice is how similar the dimensions are, and the gear ratios are the same. I kind of think you could just switch the mechatronic from the 6HP21... -
05-14-2013, 08:28 AM
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Loctite should not strictly be necessary on the...
Loctite should not strictly be necessary on the axle to output flange bolts. The locking mechanism for these bolt is serrations cut into the bearing surface of the bolt head. either way, Loctice...
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05-14-2013, 08:21 AM
Thread: Downpipe Rattle / Whiteish smoke
by ajm8127- Replies
- 48
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- 672
Absolutely, I was in denial. The ability of...
Absolutely, I was in denial.
The ability of the stock system to separate air from oil is still less than stellar.






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