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Engine, Exhaust, Transmission Discuss the FR-S | 86 | BRZ engine, exhaust and drivetrain.


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Old 07-28-2014, 11:25 PM   #267
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i dont see anything in here about the BPB's+E85

im staying N/A and i just got my BPB's. i was going to finish it off with some flex fuel but some people are stating that the two dont play nice together. i guess ill have to find out on my own.
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Old 07-29-2014, 09:18 AM   #268
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Originally Posted by loogs View Post
i dont see anything in here about the BPB's+E85

im staying N/A and i just got my BPB's. i was going to finish it off with some flex fuel but some people are stating that the two dont play nice together. i guess ill have to find out on my own.
That is a fairly misunderstood comment. The issue is this engine benefits from high octane fuel at high RPM by a fair amount. The power falls off due to fuel stability. With the BPB the falloff is not just fuel stability but now due to a runner length effect. So you still get a good 4-10% power gain at nearly every RPM with E85, you just don't see on the plot a massive WHP gap at redline. The car in this dyno is part of a project I am working on that I will be posting on soon. I have been doing a number of dynos and have been collecting aftermarket parts for an NA project, stick around for dynos of that over the next few weeks. The next parts of the build will include header, op, fp, then intake, BPB removal for comparison comparison, likely an exhaust, and then comparison of 91 vs E85 and possibly ~95 octane fuel (for track days). The last dyno showed the car @ 27%WHP gain @ peak (but with a big falloff at redline). This was on 91 octane.
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Old 07-29-2014, 09:29 AM   #269
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That is a fairly misunderstood comment.......
you have contributed so much to this conversation so ill ask you this way because you and a lot of these other guys are much smarter than i am as far as the technical side of this. point blank, is it a waste for me to combine these BPB's with flex fuel? cause at this point for me its one or the other or both. id like to do both. i wont be tracking my car. id like to do as much auto cross as possible and this is my daily driver.

thanks
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Old 07-29-2014, 08:26 PM   #270
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Quote:
Originally Posted by nelsmar View Post
That is a fairly misunderstood comment. The issue is this engine benefits from high octane fuel at high RPM by a fair amount. The power falls off due to fuel stability. With the BPB the falloff is not just fuel stability but now due to a runner length effect. So you still get a good 4-10% power gain at nearly every RPM with E85, you just don't see on the plot a massive WHP gap at redline. The car in this dyno is part of a project I am working on that I will be posting on soon. I have been doing a number of dynos and have been collecting aftermarket parts for an NA project, stick around for dynos of that over the next few weeks. The next parts of the build will include header, op, fp, then intake, BPB removal for comparison comparison, likely an exhaust, and then comparison of 91 vs E85 and possibly ~95 octane fuel (for track days). The last dyno showed the car @ 27%WHP gain @ peak (but with a big falloff at redline). This was on 91 octane.
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you have contributed so much to this conversation so ill ask you this way because you and a lot of these other guys are much smarter than i am as far as the technical side of this. point blank, is it a waste for me to combine these BPB's with flex fuel? cause at this point for me its one or the other or both. id like to do both. i wont be tracking my car. id like to do as much auto cross as possible and this is my daily driver.

thanks
Think you'll find it is not a waste if you read Nelsmar's post carefully. Basically he is saying that by using E85 and the BPB you will feel more torque in the low and mid range but the top end wont be a whole lot better compared to 93 and the BPBs.
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Old 09-25-2014, 02:25 PM   #271
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Can we please work on another group buy?
Ask and you shall receive A Billet Power Block (BPB) Group Buy just started up and is one of the best discount levels ever offered, up to 25% off! Feel free to check it out here:
http://www.ft86club.com/forums/showt...94#post1957794

and
http://www.iaperformance.com/product...oducts_id=3320

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Old 10-16-2014, 09:51 AM   #272
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We just received our first batch of Crawford Power Blocks and I must say...they are constructed very nicely Let me know if anyone wants additional photos of the blocks, or if you have any questions pertaining to them.

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Old 11-14-2014, 02:52 PM   #273
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Openflash header, Perrin overpipe, invidia front pipe catless, TRD exhaust, TRD intake, hks air duct, ferbruz inatakemanifold runner. 91 Oct around 5000 above sea level. Dyno jet
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Old 11-14-2014, 06:53 PM   #274
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Openflash header, Perrin overpipe, invidia front pipe catless, TRD exhaust, TRD intake, hks air duct, ferbruz inatakemanifold runner. 91 Oct around 5000 above sea level. Dyno jet


Very similar to my hope-to-get-one-day set up. Was hoping for a bit more, what did you dyno stock?
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Old 11-14-2014, 07:15 PM   #275
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This is same set up before" IMRE or BPB" this dyno set up shows oft to Motiva tune.
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Old 11-14-2014, 09:25 PM   #276
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Thumbs up IMRE

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Openflash header, Perrin overpipe, invidia front pipe catless, TRD exhaust, TRD intake, hks air duct, ferbruz inatakemanifold runner. 91 Oct around 5000 above sea level. Dyno jet
Awesome Results!!

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Old 11-14-2014, 09:35 PM   #277
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This is same set up before" IMRE or BPB" this dyno set up shows oft to Motiva tune.

Motiva can work with the open flash tablet? Curious as ABQ isn't too far for me to drive for a good tuner
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Old 12-25-2014, 11:02 PM   #278
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The blue line is with crawford's stage 1 91 octane tune, BPB, drop in filter, perrin inlet tube, catless uel, FP, OP, and cat back.
Red is the same but with perrin's bigmaf, and flex fuel running e67
Def a loss of power at the top end but a good gain everywhere else
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Old 01-06-2015, 01:55 AM   #279
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Stand by to stand by.... Went ahead and pulled the trigger on the power blocks since I'm getting their built block. Paired up with my JDL Borg Warner EFR 7064, hell's about to be unleashed! I'll keep you guys posted.
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Old 01-06-2015, 07:08 AM   #280
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Stand by to stand by.... Went ahead and pulled the trigger on the power blocks since I'm getting their built block. Paired up with my JDL Borg Warner EFR 7064, hell's about to be unleashed! I'll keep you guys posted.
I suspect that you may be in for a letdown combining these with FI.
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