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Old 03-10-2014, 08:41 PM   #29
Mr. Nasty
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Originally Posted by UNRIVALED SS View Post
I'll work from 18 psi. Going to try to make a few passes tomorrow if the weather works out. I would be real happy with 1.50-1.60 60' times. Real happy. I also think more time in the drivers seat will help. Thanks for the info.
Did you make to the track this weekend???
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AS OF 1/31/15 @ 633 RWHP=10.16@135
AS OF 1/29/16 @ 633 RWHP=10.10@136
TOPED 700 PASSES AFTER F.I. AND STILL ON THE ORIGIANAL STOCK AXLE & DIFF
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Old 03-12-2014, 02:56 PM   #30
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Originally Posted by dan0617 View Post
I went with +0.8 camber and +0.25 toe on each rear wheel. Stock camber is around -0.5 and I'm not sure what the stock toe is.
That's way to much toe and camber for a great hooking drag setup..
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Old 03-12-2014, 05:02 PM   #31
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That's way to much toe and camber for a great hooking drag setup..
Umm.....no it isn't. And it hooks perfectly. Mods in sig. If I heat the tires a little by spinning them for a few seconds I can dead hook it on the street by just matting it to the floor. No bog at all. If I don't heat the tires (15 minute drive up the interstate only) I can hook it in first gear by just quickly rolling the pedal down, on the floor about 1/2 way or so through 1st gear. I can hit the spray immediately after the 1-2 shift on the street and it stays hooked. No spin, no bog. Wish I could take you for a ride. Even in 50 degree weather and 30 psi in the Nittos I can get it to hook well before the 1-2 shift without heating the tires any more than a 15 minute drive up the interstate.

.....and when you get it to hook in 1st gear, it is amazing how much it helps each subsequent gear. Car flies. I don't know if it is because the converter is stalling right for the rest of the gears or what, but when I used to spin through 1st it killed 2nd and then that didn't feel like it recouperated until into 3rd.

Stock alignment and it just blew the tires off. Same tires I'm running now. When you get it to start hooking, it will start transferring weight back more and quicker, which makes the rear squat more, which means you need even more positive camber. Toe is actually +0.2 rather than +0.25, I just checked. You need positive rear toe. Without it, the tires will point outward on launch and it will feel like the rear is going wherever it wants.
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Last edited by dan0617; 03-12-2014 at 10:27 PM.
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Old 03-12-2014, 05:46 PM   #32
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I added pretty much BMR's entire product line before adding the blower.

Traction on stock tires was non existent at any speed. I added wider rear wheels and 315 Nitto NT05 (non drag radials). They stuck awesome. Little chirp from a dig on the street and insta-hook at speed.

No track days, and a trip from MD to Indy for the fest and back last year and some normal driving (about 2500 miles worth) and they were bald. Add to that the fact that the car felt like a boat in the rain the one time I got caught in a storm and those will never be back on my car again. I could literally feel each corner of the car picking up at 35 or 40mph.

I switched to Vreds and they seem to hook pretty well too for my street use. Haven't had them on a wet road yet.
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Old 03-12-2014, 07:39 PM   #33
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Originally Posted by dan0617 View Post
Umm.....no it isn't. And it hooks perfectly. Mods in sig. If I heat the tires a little by spinning them for a few seconds I can dead hook it on the street by just matting it to the floor. No bog at all. If I don't heat the tires (15 minute drive up the interstate only) I can hook it in first gear by just quickly rolling the pedal down, on the floor about 1/2 way or so through 1st gear. I can hit the spray immediaItely after the 1-2 shift on the street and it stays hooked. No spin, no bog. Wish I could take you for a ride. Even in 50 degree weather and 30 psi in the Nittos I can get it to hook well before the 1-2 shift without heating the tires any more than a 15 minute drive up the interstate.

.....and when you get it to hook in 1st gear, it is amazing how much it helps each subsequent gear. Car flies. I don't know if it is because the converter is stalling right for the rest of the gears or what, but when I used to spin through 1st it killed 2nd and then that didn't feel like it recouperated until into 3rd.

Stock alignment and it just blew the tires off. Same tires I'm running now. When you get it to start hooking, it will start transferring weight back more and quicker, which makes the rear squat more, which means you need even more positive camber. Toe is actually -0.2 rather than -0.25, I just checked. You need positive rear toe. Without it, the tires will point outward on launch and it will feel like the rear is going wherever it wants.
I'm glad it is working for you, and I disagree with your logic.BUT what the heck do I know...
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Old 03-12-2014, 09:26 PM   #34
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I'm glad it is working for you, and I disagree with your logic.BUT what the heck do I know...
What settings would you recommend for FI 750+ rwhp A6, 15" Weld/DR's & BMR Drag suspension full weight car.
Rear suspension being installed today, alignment scheduled for tomorrow if we get the clearance issues worked out with the BMR parts.
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Old 03-12-2014, 10:31 PM   #35
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I'm glad it is working for you, and I disagree with your logic.BUT what the heck do I know...
Not questioning what you know. I just know with my setup it likes a lot of positive camber and needs a touch of positive toe. I had an '89 vette before this that worked best with 1.2 positive camber but it wore the tires quick on the outside. Hooked right up though.

On our cars, without suspension mods, what do you usually recommend for alignment settings for a weekend warrior high powered setup that isn't worried at all about tire wear?
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Old 03-13-2014, 12:45 AM   #36
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.25 of toe on each side isn't just a touch lol. That's a lot.
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Old 03-13-2014, 07:11 AM   #37
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Originally Posted by rdblan2 View Post
I added pretty much BMR's entire product line before adding the blower.

Traction on stock tires was non existent at any speed. I added wider rear wheels and 315 Nitto NT05 (non drag radials). They stuck awesome. Little chirp from a dig on the street and insta-hook at speed.

No track days, and a trip from MD to Indy for the fest and back last year and some normal driving (about 2500 miles worth) and they were bald. Add to that the fact that the car felt like a boat in the rain the one time I got caught in a storm and those will never be back on my car again. I could literally feel each corner of the car picking up at 35 or 40mph.

I switched to Vreds and they seem to hook pretty well too for my street use. Haven't had them on a wet road yet.
That's disappointing, was hoping to get more life out of the NT05 ...
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Old 03-13-2014, 07:57 AM   #38
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.25 of toe on each side isn't just a touch lol. That's a lot.
Please note that I am talking +0.25 degrees, not inches. I don't think 0.25 degrees is much at all.
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Old 03-13-2014, 08:19 AM   #39
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That's more just on one side than factory calls for total. .5* total toe is a ton.
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Old 03-13-2014, 08:41 AM   #40
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Originally Posted by Warhorse View Post
What settings would you recommend for FI 750+ rwhp A6, 15" Weld/DR's & BMR Drag suspension full weight car.
Rear suspension being installed today, alignment scheduled for tomorrow if we get the clearance issues worked out with the BMR parts.
this and warhorse what clearance issues are you having.... my kit is showing up friday
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Old 03-13-2014, 10:45 AM   #41
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Originally Posted by Warhorse View Post
What settings would you recommend for FI 750+ rwhp A6, 15" Weld/DR's & BMR Drag suspension full weight car.
Rear suspension being installed today, alignment scheduled for tomorrow if we get the clearance issues worked out with the BMR parts.
For a drag only setup you don't want any camber and very little toe,just enuff to help with wondering at the big end...I run a 64th on my car.With a 25 series 22 inch tire with a tread rating of 300 at 50lbs and a six speed I 60 in the 1.70s....We have helped a ton of people with their rear setups including the 5th gen record holder,GTO record holder and the G8 record holder as well as guys trying to get their first 11,10,9 etc. Alignment is ...HUGE with an IRS car HUGE
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Old 03-13-2014, 10:47 AM   #42
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That's more just on one side than factory calls for total. .5* total toe is a ton.
I agree
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