01-28-2016, 06:49 PM | #71 |
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01-28-2016, 07:32 PM | #72 |
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Gains with E65 (still had 3 gallons of pump gas in the tank) over 92 octane.
Gains over stock. With E85 it'd probably be close to 350 on this dyno. So roughly "400hp" on the miracle dyno. |
01-28-2016, 07:44 PM | #73 | |
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01-28-2016, 07:47 PM | #74 |
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01-28-2016, 11:02 PM | #75 |
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Rest of the install went perfect, took a total of about 6 hours by myself with plenty of breaks. Also installed the Jackson racing oil cooler,radium pcv catch can and changed the diff/trans to motul 300 in that time. Instructions were great as to be expected with JR. The pulley cover for the ac compressor had to be trimmed more than what the outline they had provided though. Not difficult though and to be expected seeing how much larger the c38 is. Ecutek with the delicious tune will be here tomorrow so I can fire her up and test it out tomorrow evening. But here is a pic after completed.
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01-28-2016, 11:05 PM | #76 |
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Nice looking good! My kit is showing up next week. Looking forward to getting it in. Sent from my iPhone using Tapatalk |
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01-31-2016, 09:28 PM | #77 |
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What minimum supporting mods would I need If I got the C38? at only 100 bucks more it seems like it'd be waste not to get it. *Are the stock internals ok? I understand new pumps, injectors, flex fuel is recommended but would everything else be ok till I get those mods? assuming I have a good conservative tune?
Edit* Last edited by Aaronimoe; 01-31-2016 at 09:40 PM. |
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01-31-2016, 09:38 PM | #78 |
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Nothing additional is required. It will work with a bone stock car on the carb tune.
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01-31-2016, 09:56 PM | #79 |
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Sorry I forgot to mention this would be on a custom e-tune. I guess everything would still be ok as long as my tuner doesn't over do it? does he have that much control when tuning superchargers?
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01-31-2016, 10:03 PM | #80 |
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Yes it should still be fine as long as you are using the pulley supplied and not the HBP.
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01-31-2016, 10:09 PM | #81 |
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Ok thanks. Yea that makes sense now. I was wondering if there could be any other detrimental effects of having a bigger blower producing the same power. But since they both produce the same power on the CARB tunes then there probably isn't.
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01-31-2016, 10:58 PM | #82 |
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The C38 just has a much higher overhead for future improvements, so your not taxing it to the max, like the c30 is on the HBP.
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01-31-2016, 11:49 PM | #83 | |
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02-01-2016, 04:00 AM | #84 | ||
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The very first thread in the Engine, Exhaust, and Transmission sub-forum is on the general calculated differences between Mustang, Dynojet, and Dynapack dynos. According to that, the community *should* understand as a general reference that Dynapacks are marked as reading 8-10% higher than Dynojets. The numbers you posted are 374.382 on the Dynapack and 328.55 on the Dynojet. If we run a 10% difference for your numbers between dynos, then: 374.382 Dynapack * .9 Dynojet correcter = 336.9438whp Dynojet corrected Its hard to believe that a 8 hp difference would even remotely be considered as so far off that it's head is "in the clouds" given your stated number of 328.55 and the general rule of thumb, differences in weather between the two days, and whether this is a worst run to best run comparison. Quote:
A while back, I put down 330whp with a C38 on a Mustang dyno. There are folks with C38's in the KW Owner's thread that have made more than that (albeit on Dynapacks, but when corrected, they were still higher). Again, using the general rule of thumb that Mustangs read 12% lower than Dynojets, then correcting for that: (nevermind that where I did it they claim its a 17% difference compared to other local Dynojets) 330 Mustang * 1.12 Dynojet correcter = C38 369.6whp Dynojet corrected (rule of thumb) 330 Mustang * 1.17 Dynojet correcter = C38 386.1whp Dynojet corrected (their stated difference based on local Dynojet comparisons) That was with the stock headers, overpipe, and front pipe, and not a lot of tuning time. I'm currently at 370whp from the Dynapack. Again, following the rule of thumb: 370 Dynapack * .9 Dynojet correcter = C30 HBP 333whp Dynojet corrected 386 (C38 old setup, Dynojet corrected) - 333 (C30 HBP new setup, Dynojet corrected) = 53 hp difference, not maxed out Driving between the two cars, that difference seems to be about right. That makes going back to a C38 enticing, especially given that neither setup was actually set up to achieve their full potential. I still have a bit of room left on the C30 with the high boost pulley, IMO. I believe I might be able to hit the 340-350whp Dynojet mark (and higher on the Dynapack) with a different header and overpipe setup, a fuel pump change, and some additional tuning time. TL;DR Only being able to hit 320-340 on a regular dyno (seems to be a Dynojet dyno) with a C38 seems factually incorrect, and the "Miracle" dyno does not have "its head in the clouds." The publicly posted dyno numbers from community members and general, readily available information on the differences calculated between dyno types in the community/this forum seem to corroborate that. I might do some back-to-back dyno testing to see some differences for myself after my next tuning appointment.
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Setup 1: KW C38, Grams 550, Grams 265, 4bar, FlexFuel, Delicious
Setup 3: JR C30, DW 700, Grams 265, 3bar, FlexFuel, Moto-East Setup 4: JR C30 HBP, DW 700, Grams 265, 3bar, FlexFuel, Church Setup 5: JR C30 HBP, DW 700, DW 300, 3bar, FlexFuel, Delicious, Built Motor Setup 6: JR C30 HBP, DW 700, DW 300, 3bar, FlexFuel, Delicious, Closed Deck Built Motor Last edited by SPCorBUST; 02-01-2016 at 04:25 AM. |
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