Drag Racing Technique Improve your track times

13.73 ???? Is this bad ???

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Old Aug 26, 2004 | 01:47 PM
  #1  
BigJustinZ28's Avatar
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13.73 ???? Is this bad ???

Hey guys , its me again and trying to get an opinion. Heres my slip

60ft - 1.986
330ft- 5.688
1/8th - 8.781
1/8thmph- 79.42
1/4- 13.731
mph - 99.73

this is after my pcmforless tune , 3000 tci stall , and 3.73's on a pair of fulda extremo rubbers. I know a big part of it was driving (I had to roll into it SLOW to keep from spinning halfway down the track which I did the first time and burned rubber on my way to an astounding 14.8)). I just wanna know if theres a chance my car isnt making the power it should. Is the 1/8th to quarter difference good ??? How about the mph ??? Anyone with similar setups let me know what you ran and what tires you used . These times were taken at richmond dragway , the 1st time I ever raced the quarter and second time Ive raced this car anywhere.Any recommendations on launching this beast with street tires would be appreciated as well.
thanks , Justin
Old Aug 26, 2004 | 01:54 PM
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Re: 13.73 ???? Is this bad ???

No headers? That is probably why the mph is so low. The 1994's had a lot of restriction in the stock exhaust.

Were you spinning a lot? If so some drag radials should fix that problem.

It is almost impossible to quantify your actual performance if the power was not getting to the ground and some altitude reading would also help.

Certainly your perfomance is not "bad". The object is to have a good time and see what the car will do. Good tires and some headers should help a whole lot.
Old Aug 26, 2004 | 03:58 PM
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Wink Re: 13.73 ???? Is this bad ???

Dude, if your running an aftermarket converter, you must get DRs of some sort to get the most out of the combo.My time in sig is with a PI2800, 3.23s, DRs and a 1.85 60 ft. you should be down around there with more traction.BTW I don't have headers; just a cutout.
Old Aug 26, 2004 | 11:11 PM
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Re: 13.73 ???? Is this bad ???

I have slp midlength headers , I did autotap the car tonight and found a couple of interesting things , got a code 400 which say EGR System , dont know whats wrong with it but thats what I got . Also noticed the fuel trims were unever but both negative -3% and -14% or so , I have the fuel pressure cranked up to 46lbs I was wondering if that might be a prob , car is stock. Any more help would be great , thanks.
Old Aug 27, 2004 | 04:14 AM
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Re: 13.73 ???? Is this bad ???

Is this in the 97 with the headers and hot-cam too. If it is you really need to get dr's so we can see what it can do. Your mph looks really low for the kind of power you should be making. My though is that the stall and gears is basically doing nothing for you because you can get that good launch off the line. Your times would really improve with dr's.
Old Aug 27, 2004 | 06:59 AM
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Re: 13.73 ???? Is this bad ???

I concur with the drag radials. It is hard to diagnose performance when the car isn't hooking up. The mph seems way low but without hooking up there is no way to quantify it.
Old Aug 27, 2004 | 07:41 AM
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Re: 13.73 ???? Is this bad ???

I was thinking about drag radials , just worried about breaking my gears again , with stock gears and stall I still managed to rip every tooth off the pinion gear. Putting the tranny in the car really set me back , if I break my rear again its gonna be off the road for a while
Old Aug 28, 2004 | 07:07 PM
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Re: 13.73 ???? Is this bad ???

Get some used drag radials and they'll help alot! A used 10 bolt is cheap, I just sold one for $200, if it goes get a M-6 rear with 3:42's :-)

Have you checked out easternfbody.com? Lots of us run at VMP, it is a better track then Richmond. You'll get better times there too!

Ed
Old Aug 30, 2004 | 03:57 PM
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Re: 13.73 ???? Is this bad ???

i am not sure if u all noticed but he had a 1.9 60'. that is damn good for street tires. that means he was not spinning much at all. how much more are the drag radials gonna do for him, a 1.8 60' i dont see that lil bit in the 60 xplain y his times are bad!
Old Aug 30, 2004 | 05:29 PM
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Re: 13.73 ???? Is this bad ???

yeah but I wasnt spinning on that run because I eased into the trottle then punched it after I was moving , Ive got alot more 60 foot I can skim off if I can get the thing to hook up .
Old Aug 30, 2004 | 06:09 PM
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Re: 13.73 ???? Is this bad ???

Your bad time isn't because of your 60'. Actually i'm not sure if i've ever see someone get under 2.0 with street tires! I'm trapping the same as you. Your car can't be running right with a hotcam and headers you should be very low 13's!

TONY
Old Aug 30, 2004 | 06:33 PM
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Re: 13.73 ???? Is this bad ???

Headers? we dont need no stinkin headers

What other mods do you have? CAI, catback, pully?
And get some drag radials and some suspenion to help hook.
-Mark
Old Aug 30, 2004 | 08:18 PM
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Re: 13.73 ???? Is this bad ???

Originally Posted by toneloc12345
Your bad time isn't because of your 60'. Actually i'm not sure if i've ever see someone get under 2.0 with street tires! I'm trapping the same as you. Your car can't be running right with a hotcam and headers you should be very low 13's!

TONY
I have been getting an EGR code since right before left to go to richmond. I havent had a chance to check it out yet , I plan on taking the EGR valve out and either cleaning it or just replacing it. The trip to richmond was the farthest trip Ive taken in this car yet . Also the fuel trims seem to be a little off , the car thinks its running rich for some reason. I do have the fuel pressure jacked up to 46 psi , me and a friend are gonna put it back to stock next weekend (Ive never played with it before , it was already on the car). When I ordered my tune I forgot about the fuel pressure , I dont know if that makes a difference or not. If fixing the egr and tuning the fuel pressure down dont do it , might just have to pull the valve covers and see if the roller rockers have come out of adjustment somehow. Wish me luck you guys , oh yeah and I still need tires. If I brake stall it and get into it it just roasts the hell out of them , which is fun but not the desired effect of the stall .
thanks , justin
p.s. oh yeah mark , theres not a stock piece on my motor besides the shortblock , maf , injectors , and fuel rails.
Old Aug 31, 2004 | 12:42 PM
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Re: 13.73 ???? Is this bad ???

I was having an EGR code when i got my car too. But when i got my pcm tuned i had that code turned off. Doesn't seem to affect performance.

TONY
Old Aug 31, 2004 | 03:20 PM
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Re: 13.73 ???? Is this bad ???

Originally Posted by toneloc12345
I was having an EGR code when i got my car too. But when i got my pcm tuned i had that code turned off. Doesn't seem to affect performance.

TONY
I wish I had done that , but I never had any egr codes come up before the tune. Hopefully Ill be ableto clean it and itll work again but if not Ill just replace it. Im getting my loudmouth welded in on thursday btw and I cant wait . Right now the car has a backwards welded muffler on it right now (the guy was trying to quiet it down and it is rather quiet, the pipe is welded into one of the exit pipes using a reducer 3" to 2.5" drop ) . I dont think a backwards welded chambered muffler is doing the car any good either especially with that 2.5" reduction at the muffler. I cant wait for my loudmouth to go on finally . Ill let yall know if that helps any as I might be going to the 1/8th near here on friday.
thanks , Justin



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