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Old 06-24-2003, 11:11 AM   #1
sedanman
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Default Good sat. night (03 cobra runs)

Well sat. night a friend and I hit the South side Steak & Shake with the stang, we got there late because again I had to retighten a rocker arm. Well somewhere in the jist of all of this the blower belt started slipping and I am only seeing 6psi not the 10 that I should be seeing.

Race 1:

98 Camaro 6spd all the bolt-ons, midlenght headers, 4:10's and a 125 shot dry. First run is from 30-35 or so, I hit second and get MAJOR tire spin and he jumps out hard, I start to stop his pull and he shuts down up a couple cars at 85 :roll: Next run again from 35ish I leave it in 3rd to prevent wheel spin he again jumps out this time I start to pull him sooner and he shuts down 75ish? I pull up and ask to go on the interstate and do a freeway roll and he declines saying why bother... We meet him later

Race 2:

Two 03 cobra's the first one had 6# pulley and CAI We ran a couple of times and I would put a few cars on him without to much drama. The other 03 cobra had 6# pulley, JDM custom tune, and catback (just ran 12.3@118 the night before) we run several times with us being dead even (me only seeing 6psi) for a couple moments I would see 9# and I would start to pull then the boost would fall off. FWIW we ran many times and most of them were three way races nothing like hearing a eaton on both sides.

Funny:

After race 2 we head back to S&S and we meet up with the F-body guy and he ask how bad the one 03 Cobra beat me and I said he didn't. He said hows that since he pulled me pretty badly and I beat you. I said the only reason you beat me was because I SPUN and as soon as I hooked and started to pull you shut down, he didn't beleive me and went to the cobra owner who told him the same thing and that I was only seeing 6# instead of 10# he didn't like that. There was some talk of another three way race between the Fast 03 cobra and the F-body but it never materialized imagine that.

Race 3:

No passanger I meet up with two guys on bikes this is a impromptu run. The first bike a Suzuki 650 with minimal farings we run from a dead stop through first I am down 1/2 to 1 bike length and am spinning bad, hit second still spinning but picking up speed and have stopped his pull, top of second and I am hooked and pulling pretty hard, hit third and come by and put several cars on him. Next light he can't beleive it and ask what I have done and I tell him H/C Blower car and he said thats why hu? I went to race his freinds YZF 750 (I think it was a 750?) we try to go from a 35-40 roll and I get sideways so bad I can't stay in my lane so I shut down immediately, we played a little after that but nothing fair.

The rocker arm started making noise again at the end of the night So I have to fix that and get a new belt so I can hold 10#'s.
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04 Screamin Yellow Cobra
KB 2.4 (585/556 pump 626/666 race)
00R brakes, DFX clutch, Level 5's, return fuel system, Lts with 3" exhuast, FR500 wheels and all the other fun stuff.

GONE 1991 Lx sedan 5.0, 5spd (Liberty proshifted TKO) S-trim, Ported TF heads everything parted out.
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Old 06-25-2003, 01:36 PM   #2
Dark_5.0
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Man that is sweet ..............When you get your boost problem fixed you will 0wn those guys.

Sounds like you need some ET streets.
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Old 06-26-2003, 11:38 PM   #3
sedanman
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Yeah I hope to have it all straightened out by mid next week. For this weekend I just hope to tighten the belt down more and work on the rocker arm problem. Hopefully I will be able to get some more good runs.

As for the ET streets as soon as I get the TKO in I will have ET streets on it, for now I have to limit abuse to DR's. The DR's that I have on now are majorly bald I have a new set and should have them on in a week or two.
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04 Screamin Yellow Cobra
KB 2.4 (585/556 pump 626/666 race)
00R brakes, DFX clutch, Level 5's, return fuel system, Lts with 3" exhuast, FR500 wheels and all the other fun stuff.

GONE 1991 Lx sedan 5.0, 5spd (Liberty proshifted TKO) S-trim, Ported TF heads everything parted out.
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Old 06-27-2003, 08:08 AM   #4
302 LX Eric
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Your car has become a beast! I like it.

If you can get the rocker arm situation resolved and get the belt a little tighter, you should be well on your way.

Good luck,
E
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Old 07-01-2003, 11:09 AM   #5
sedanman
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I think I have all the problems worked out now, after tightning the heck out of the belt I saw 14# for the first time ever, best prior was only 10#!
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04 Screamin Yellow Cobra
KB 2.4 (585/556 pump 626/666 race)
00R brakes, DFX clutch, Level 5's, return fuel system, Lts with 3" exhuast, FR500 wheels and all the other fun stuff.

GONE 1991 Lx sedan 5.0, 5spd (Liberty proshifted TKO) S-trim, Ported TF heads everything parted out.
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Old 07-01-2003, 01:55 PM   #6
302 LX Eric
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Thumbs up

Quote:
Originally posted by sedanman
after tightning the heck out of the belt I saw 14# for the first time ever!
WOW!
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12.22 @ 114.31 mph - w/1.89 60'
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Old 07-06-2003, 05:25 PM   #7
Stang_Crazy
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Holy slippage batman!! 4# difference is HUGE! If the belt was that loose, didn't it squeel from slipping so much??

With 14#, you should be awfully close to 500 rwhp!
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Old 07-08-2003, 12:55 PM   #8
sedanman
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It was colder then ever before which may have accounted for about 2# or so tops. The belt was not squeeling (which I thought was odd) but you could move the belt a little with your hand and when you hit it sometimes it would jump up to 10# then come down to 6# due to slipping.

Yeah using the jenaric equation of 15rwhp for a pound of boost it would be 510 rwhp.

Which probably is right because the other night during 80 degree temps and 80% humidity it did 123.94 traps with a 3120# race weight (plus the blower because I have not weighted it since the blower went on).
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04 Screamin Yellow Cobra
KB 2.4 (585/556 pump 626/666 race)
00R brakes, DFX clutch, Level 5's, return fuel system, Lts with 3" exhuast, FR500 wheels and all the other fun stuff.

GONE 1991 Lx sedan 5.0, 5spd (Liberty proshifted TKO) S-trim, Ported TF heads everything parted out.
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Old 07-08-2003, 08:20 PM   #9
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I've always used the generic 12 rwhp per 1 psi of boost but I like your way of using 15 rwhp Gotta love cool weather. Dense air and no belt slippage!!
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