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> Infineon carousel > LS1, Video inside
ninetres
post Jun 9 2012, 01:20 AM
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The Good news:
Been waiting to get a chance to edit a LOT of footage from my last day at Infineon Raceway a few weeks back. AWESOME DAY. My CAR was putting up some serious lap time (IMO) all things considered. With lots of Blaine Fab love on the car, it was kicking ass and taking Porsches names. It seemed to understeer and its response to feedback was sort of inconsistent I felt.....but somehow I was ripping off 1:56s, in my FULL WEIGHT+ street driven car.....with a passenger, and a bit of traffic on most laps. I think the understeer might have been due to the fact that I was pushing the car a lot harder than I was on my previous outing here....and its a pig.


The Ugly:

Hurt the motor coming around the carousel near the end of the day. My best friend/mechanic was driving and the car lost oil pressure (25psi at idle) after coming around it. I noticed throughout the day that if I had the entry just right, and the car was biting real hard.....the pressure would dip for a split second at the end of the run-out.... and then shoot right back up. Guess the ol' LS1 got tired of that shit by the end of the day. It likely spun a/some rod bearings. It was knocking GOOD by the time we limped it back into the pits.


Anywho, here is a couple of teaser clips before we compile the full days edit:

Carousel-->double pass
http://www.youtube.com/watch?v=1bcqonLzyEg...;feature=relmfu


Camaro > GTR
http://www.youtube.com/watch?v=3d5CZW2mjUs&feature=plcp
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ninetres
post Jun 9 2012, 03:58 PM
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Oh! And I am VERY happy with the stoptechs. My main issue with braking is what I perceive to be the inconsistency of the factory hydraulics. They do seem inconsistent with exactly how hard they bite. They are always there, and work well.....but sometimes they find some extra muscle in the heavy braking zones and I think to myself "Whoa.....where the fuck did that stopping power come from???"
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Blainefab
post Jun 10 2012, 08:06 AM
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QUOTE (ninetres @ Jun 9 2012, 08:58 AM) *
They do seem inconsistent with exactly how hard they bite.


Might be a mismatch in the pads, race front and street rear. I tried the HPS on my Vette and didn't care for them. If the Carbotech are working for you in front you might ask them what a good match for the rear would be.

Did the telltale stay on the TA?
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ninetres
post Jun 10 2012, 09:05 AM
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QUOTE (Blainefab @ Jun 10 2012, 01:06 AM) *
QUOTE (ninetres @ Jun 9 2012, 08:58 AM) *
They do seem inconsistent with exactly how hard they bite.


Might be a mismatch in the pads, race front and street rear. I tried the HPS on my Vette and didn't care for them. If the Carbotech are working for you in front you might ask them what a good match for the rear would be.

Did the telltale stay on the TA?

Yes, got the tq arm adjusted perfect according to the zip tie....it didn't hop unless I downshifted aggressively during braking. The brakes were inconsistent before I swapped to the HPS in the rear. Carbotech recommended the XP12 in front (still have them in....but they probably saw their last day), and the XP8 in the rear....but it hopped pretty bad with those. They did mention some guys run the 6 in the rear. I just didn't want to risk spending big coin on another set of "race" pads only to have it still hop....so I decided to go with the HPS. I really think its the ABS system or something.
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Blainefab
post Jun 10 2012, 09:14 AM
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QUOTE (ninetres @ Jun 10 2012, 02:05 AM) *
QUOTE (Blainefab @ Jun 10 2012, 01:06 AM) *
QUOTE (ninetres @ Jun 9 2012, 08:58 AM) *
They do seem inconsistent with exactly how hard they bite.


Might be a mismatch in the pads, race front and street rear. I tried the HPS on my Vette and didn't care for them. If the Carbotech are working for you in front you might ask them what a good match for the rear would be.

Did the telltale stay on the TA?

Yes, got the tq arm adjusted perfect according to the zip tie....it didn't hop unless I downshifted aggressively during braking. The brakes were inconsistent before I swapped to the HPS in the rear. Carbotech recommended the XP12 in front (still have them in....but they probably saw their last day), and the XP8 in the rear....but it hopped pretty bad with those. They did mention some guys run the 6 in the rear. I just didn't want to risk spending big coin on another set of "race" pads only to have it still hop....so I decided to go with the HPS. I really think its the ABS system or something.


You can use more pad in the rear with the EUTA, but Ya, it can get expensive buying pads that don't work. If you are replacing fronts anyway, you might try the Raybestos ST41F/ST43R from Porterfield. Good combo. Probably need to rebed the pads when changing brands, or use a disc brake surface conditioning pad to get all of the old transfer deposits off. Other stuff - check that the rear caliper pins are sliding free, bleed, bleed the ABS, bleed again, check that the rear shock fasteners are tight - 80#ft on the big bottom nut, and plenty of squish on the top rubbers.
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dailydriver
post Jun 11 2012, 07:21 PM
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QUOTE (Blainefab @ Jun 10 2012, 05:14 AM) *
check that the rear shock fasteners are tight - 80#ft on the big bottom nut, and plenty of squish on the top rubbers.



Paper clip shaped "squish", or just slightly oval shaped?? (ALWAYS wondered about this, never knew exactly.)
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Blainefab
post Jun 12 2012, 11:13 AM
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QUOTE (dailydriver @ Jun 11 2012, 12:21 PM) *
QUOTE (Blainefab @ Jun 10 2012, 05:14 AM) *
check that the rear shock fasteners are tight - 80#ft on the big bottom nut, and plenty of squish on the top rubbers.



Paper clip shaped "squish", or just slightly oval shaped?? (ALWAYS wondered about this, never knew exactly.)


Try both and see if there is a difference.
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Posts in this topic
ninetres   Infineon carousel > LS1   Jun 9 2012, 01:20 AM
pharmd   What does your current setup look like? You were r...   Jun 9 2012, 03:56 AM
ninetres   QUOTE (pharmd @ Jun 8 2012, 08:56 PM) Wha...   Jun 9 2012, 06:35 AM
pharmd   QUOTE (ninetres @ Jun 9 2012, 01:35 AM) Q...   Jun 9 2012, 12:32 PM
ninetres   QUOTE (pharmd @ Jun 9 2012, 05:32 AM) QUO...   Jun 9 2012, 03:55 PM
pharmd   QUOTE (ninetres @ Jun 9 2012, 11:55 AM) Q...   Jun 11 2012, 12:34 AM
ninetres   Oh! And I am VERY happy with the stoptechs. ...   Jun 9 2012, 03:58 PM
Blainefab   QUOTE (ninetres @ Jun 9 2012, 08:58 AM) T...   Jun 10 2012, 08:06 AM
ninetres   QUOTE (Blainefab @ Jun 10 2012, 01:06 AM)...   Jun 10 2012, 09:05 AM
Blainefab   QUOTE (ninetres @ Jun 10 2012, 02:05 AM) ...   Jun 10 2012, 09:14 AM
ninetres   QUOTE (Blainefab @ Jun 10 2012, 02:14 AM)...   Jun 10 2012, 09:38 AM
Blainefab   QUOTE (ninetres @ Jun 10 2012, 02:38 AM) ...   Jun 10 2012, 09:56 AM
dailydriver   QUOTE (Blainefab @ Jun 10 2012, 05:14 AM)...   Jun 11 2012, 07:21 PM
Blainefab   QUOTE (dailydriver @ Jun 11 2012, 12:21 P...   Jun 12 2012, 11:13 AM
FASTFATBOY   I run Carbotech XP12/XP8 setup with C6 brakes on f...   Jun 11 2012, 01:25 AM
pharmd   QUOTE (FASTFATBOY @ Jun 10 2012, 08:25 PM...   Jun 11 2012, 05:41 PM
ninetres   QUOTE (pharmd @ Jun 11 2012, 10:41 AM) QU...   Jun 11 2012, 10:39 PM
BPWilliams   Ditto on the XP12's in the front and XP8's...   Jun 11 2012, 03:54 PM
BPWilliams   The thing is that if you do the math your car does...   Jun 12 2012, 01:08 PM
Mojave   QUOTE (BPWilliams @ Jun 12 2012, 08:08 AM...   Jun 12 2012, 02:47 PM
pharmd   QUOTE (Mojave @ Jun 12 2012, 09:47 AM) QU...   Jun 12 2012, 05:45 PM
dailydriver   QUOTE (pharmd @ Jun 12 2012, 01:45 PM) Lo...   Jun 13 2012, 07:14 PM
BPWilliams   Because it looks cool, thats why they do it, and t...   Jun 15 2012, 04:25 PM
Steve91T   QUOTE (BPWilliams @ Jun 15 2012, 12:25 PM...   Jun 15 2012, 05:22 PM
dailydriver   QUOTE (Steve91T @ Jun 15 2012, 01:22 PM) ...   Jun 16 2012, 06:02 PM
pharmd   QUOTE (dailydriver @ Jun 16 2012, 02:02 P...   Jun 17 2012, 10:28 PM
Steve91T   QUOTE (pharmd @ Jun 17 2012, 06:28 PM) QU...   Jun 18 2012, 12:50 PM
dailydriver   They were rumored to be considering the platform o...   Jun 18 2012, 08:19 PM
tlillard23   How much rotor life do you get with the carbotech ...   Jul 17 2012, 06:59 AM
BPWilliams   Yes more aggressive for sure, a set of rotors per ...   Jul 17 2012, 01:07 PM
dailydriver   QUOTE (BPWilliams @ Jul 17 2012, 09:07 AM...   Jul 17 2012, 08:13 PM

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