so I went to the drag strip.. part 2! - Miata Turbo Forum - Boost cars, acquire cats.

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Old 03-21-2008, 11:34 PM   #1
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Default so I went to the drag strip.. part 2!

went to cecil again today, and im getting better!

14.7 @ 103.2 mph!!

that was on my third run, and I only got 3 in (veryyy busy)

but, my launch is getting better, even tho I have a ways to come (and I need a 1.8L diff...)
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Old 03-21-2008, 11:51 PM   #2
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Ever dyno it? How much HP? Whats it weigh?
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Old 03-21-2008, 11:56 PM   #3
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will be dynoed on the 5th.. weight should be around 2300 lbs...

Its at 10 psi of boost.
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Old 03-22-2008, 01:00 AM   #4
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@ 103 it should be better than 14.7 I'd guess???
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Old 03-22-2008, 01:30 AM   #5
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Quote:
Originally Posted by IcantDo55 View Post
@ 103 it should be better than 14.7 I'd guess???
103mph is GREAT!

14.7sec is TERRIBLE!

That says good power but terrible traction. Just to give you a reference, In my AWD that weighs 3800lbs, (heavy as hell, but good traction) I ran 104mph, at 13.2.

Your numbers are wayyyyyyy off. No more power mods. I dont know how much more power you could buy for $300, but if you put it into tires, you just bought -1.5 seconds in the quarter mile!

seriously, try some good drag radials. You will look at your car like "That performance was there the whole time?!"
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Old 03-22-2008, 02:45 AM   #6
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put some 225/50 15's on the rear with a 1.8 diff and you will stick the launch much better.
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Old 03-22-2008, 02:55 AM   #7
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Whats your RT? You don't need drag radials to get a good launch, those RT615s have (potentially) more grip than your diff can handle with a quick spin on the way up to the line.
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Old 03-22-2008, 03:31 AM   #8
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I don't run drag radials, just g-force sports.
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Old 03-22-2008, 05:07 PM   #9
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r/t = .202


I need a 1.8l diff before ill really launch it.. that why my times suck so bad..
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Old 03-22-2008, 05:43 PM   #10
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Sorry - I mis-typed my question, I meant to ask you what the 60ft time was.
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Old 03-23-2008, 01:36 AM   #11
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Quote:
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Sorry - I mis-typed my question, I meant to ask you what the 60ft time was.
a horrible 2.78 haha
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Old 03-23-2008, 03:10 AM   #12
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Well if you get that down to a nice 2.0 you will be in 13 second territory
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Old 03-23-2008, 03:38 AM   #13
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yes i would vote for you to get the 1.8 rear end...i just ran my car at the track i pulled a 13.7 @ 101 with a horrible 60ft. although im only boosting 9psi with just the RRFPR and the bipes compared to your megasquirt
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Old 03-23-2008, 03:55 AM   #14
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I'm tellin' ya man, those are some GOOD mphs!

My friends 1994 1.8 w/JRSC dynoed 160rwhp, weighs 2400 pounds and at the 900' approx elevation in Topeka Kansas he was clicking off 14.7 around 98mph with 2.4 60's. I *KNOW* his car is good for 13.8s, its been put against a car that generally runs 13.8 - 14.0 passes and was side by side.. It also has 210,000 miles and burns a quart of oil ever 40 miles.
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Old 03-23-2008, 01:58 PM   #15
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I have issues getting my car off the line at cecil also...... with a 3.something 60ft I trapped at 108mph and ran a 14 flat....
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