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Old 10-27-2013, 12:32 AM   #21
red375
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Thats great man !
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Old 10-27-2013, 07:10 PM   #22
GRK///M3
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Re: Tuning an HPF car for 50/50 water meth

I must say that the happy camper is me. Being3 has been a great help to me with setting up my base tune and pump meth tune. I have to say that car has performed flawlessly up to this point. It pulls so hard it unbelievable.

Being3 knows what he is doing when it comes to tunning and is a great help to fellow enthusiast.

Thanks for everything. I will being posting my build that was completed by Lab22 shortly.



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Old 11-11-2013, 10:41 PM   #23
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Tuning an HPF car for 50/50 water meth

To address back pressure and more efficient cylinder scavenging as a result of higher boost with 50/50, I added an electric open dump to my car with 3 inch straight back section two which in turn connects to the muffler.

I had to adjust the 50/50 tune considerably. In fact above 6900 rpm I am not removing any fuel to compensate for the 50/50 mix as the AFRs r perfect. I attribute the exhaust and resulting increased power now being made at high rpm. Also at 3000 to 6500 I had to dramatically reduce the amount of fuel being taken out. For example I was with old exhaust taking 10 percent fuel out from 3 to 4 k rpm. Now I'm only taking 3 percent. So I suspect that I am making some real power gains particularly upstairs... Possibly closer to 800 wheel... Dyno will confirm... It also means that I have exceeded the 1000cc injector and could use a second one above 6500 for even more oomph

So this poses an interesting situation. If u have closed exhaust and open dump would require two different maps. So what I will do is configure the race switch to adjust for the fuel difference and trip the exhaust cutout. I will need to create a small circuit for 5 second power up that will trip a relay to open / close of the exhaust cutout wired into to the race switch. I will also like to have the race switch converted/ moved from the steering column to a foot switch on the dead peddle like the old high beam switch used in vintage cars. This will allow me to have my hands free to press it on or off with a quick tap of my foot.


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Last edited by being3; 11-12-2013 at 09:28 AM.
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Old 11-26-2013, 10:44 PM   #24
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Tuning an HPF car for 50/50 water meth

50/50 Water / Meth Dyno made 742 rwhp and 685 rwtorque compared to Pump @ 654 rwhp & 600 rwtorque. So a peak gain of 88rwhp and 85 foot lbs over a stout base tune. Also gains of 100 hp and 100 torque @ 5750. Numbers r with exhaust cut out open. More Dyno numbers compared to my old exhaust on my other thread "Buying a used HPF M3" keep in mind that the AIT were high above 6500RPM and the timing was being pulled by some 2.5+ degrees compared to normal AITs which r in the 20s C range so the numbers r higher in reality , also 5th gear pulls because of traction which builds lots of heat....

FYI: water temps were between 74c and 82c max on all runs...

50/50 final Dyno numbers

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Pump Dyno numbers

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It's a stump puller

FYI : I'll post an overlay of the two soon as I get it.

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Old 04-01-2014, 11:04 AM   #25
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Tuning an HPF car for 50/50 water meth

Just tuned a stage 2 HPF car for water meth 50/50. Also did my DME mods and Aem serial Gage ...

Made 638 rwhp and 510 rear torque.... This was last run of the day... Car ran 15 psi with about 4 degrees more timing... It was interesting to see how high compression motor worked with 50/50 verses low compression..... High compression likes more timing with little boost increase to make power.... I didn't even reach knock threshold as I felt this was the safest limit for stock internals. The car would have made more

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Car is fast.... Lebanese nation hill climb champion drove me through the streets of Beirut with it... And we were freaking sideways and did a few 180s through the the side streets with cars all over the place.... It's was awesome. Lol if I were back home I would have been put in Jail indefinitely. ... Got a like it....

Doing a stage 3 in the afternoon tomarrow as well as stage 2 with high compression forged internals .... Stay tuned
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Old 04-01-2014, 11:36 AM   #26
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AWESOME!

Anthony, it was great meeting you this weekend in Dubai as you came to re-tune Dragos HPF Stg2.5 M3

have fun in Istanbul with those Beasts!
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Old 04-01-2014, 11:45 AM   #27
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Tuning an HPF car for 50/50 water meth

Quote:
Originally Posted by lrinco01 View Post
AWESOME!

Anthony, it was great meeting you this weekend in Dubai as you came to re-tune Dragos HPF Stg2.5 M3

have fun in Istanbul with those Beasts!

We sure had a blast with many laughs...... Dragos's car made great power on stock exhaust... About 719 wheel on pump and straight meth... With 640 on pump
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Old 04-01-2014, 06:57 PM   #28
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Originally Posted by lrinco01 View Post
AWESOME!

Anthony, it was great meeting you this weekend in Dubai as you came to re-tune Dragos HPF Stg2.5 M3

have fun in Istanbul with those Beasts!

M3 freaks decided to postpone their visit to Istanbul.


be safe out there
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Old 04-05-2014, 01:11 AM   #29
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We'll sure come very soon Mert ... I'm already trying to get some commitment out of them
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Pulled the trigger! Built engine + 6766 Dual BB + Open Dump + 15/23 PSI - Holy F#@$ this build is insane!

HPF Stage 2.5 - 739rwhp & 581ft-lbs SAE
best 1/4 mile (ST2) 11.77'@123mph 1.9' R/T on Toyo R888 295/30/19
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