best 1/4 mile run so far

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best 1/4 mile run so far

Postby sportster96blk » Wed Apr 11, 2012 1:50 am

:dance: my monza ran the 1/4 mile in 11.741 at 123mph.............george ps.i can go faster just need to tweek things
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Re: best 1/4 mile run so far

Postby chevy art » Wed Apr 11, 2012 10:44 am

hey sportster thats alot of mph for an 1174 et. your cars making power. something is off. sounds like the 60 ft times(?) could use help. keep up the good work aret
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Re: best 1/4 mile run so far

Postby sportster96blk » Thu Apr 12, 2012 1:30 am

i think i need to redyno it with the new plugs, i seem a bit lean i think its air bleeds because just steping up the fuel jets fouls them i had some stumble off the line...theres is something off
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Re: best 1/4 mile run so far

Postby chevy art » Thu Apr 12, 2012 1:36 pm

hey sportster more i think about it, that MPH should be giving you an 11.00 (aprox) et). bet you car will be flying soon art
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Re: best 1/4 mile run so far

Postby v8astregt » Thu Apr 12, 2012 5:09 pm

I need to look into the ET/MPH relation a little better. I'm running 11.47 @ 119. Yet at 12.4 I was running 116. 123 and you should be hauling!

But awesome! It's a good feeling to be in the 11.xx bracket!
75 Pontiac Astre GT: 406SBC/TH350, roll bar, S10 goodies, down to 11.47 so far, more to come later.
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Re: best 1/4 mile run so far

Postby RockDaddy » Thu Apr 12, 2012 6:48 pm

When I first got my Vega I think its best was a 10.86@121 so that mph is moving along pretty good for your ET
Image;Image

Thx to Billy Briggs and the guys at http://www.motorcityspeedonline.com
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Re: best 1/4 mile run so far

Postby sportster96blk » Fri Apr 13, 2012 12:27 am

when i launched with my transbrake i screwed up when i hit my nitrus button and hit my rev limiter twice only ran a 12.544 at somewhere around 115mph. im not spraying it till 2nd gear. then on the second run i used my footbrake got some stumble then a smooth run i hit the nos as soon as i hit 2nd gear had a good shift around 6600 in to third held the nos till i crossed the 1/4mile at11.741and 123mph. my car only ran 12.114 with out the juice(because of the sumble) i think if i redyno i can get a 12.005 or so with just engine and mid 11s or low 11s with the juice (150 shot). its hard to get enough passes around here on a sunny day to do any changes at the track kinda have to be happy with what ur running. i need to be sure shes not running to lean out there its hard to tell because i drive it there and its to hot to change the plugs at the track my hands get all burnt up from the arp bolts really hold the heat. so its off to the dyno this week end ill do some just engine passes and a few with the juice to be sure it getting what it needs and see if i can bring down the 60ft time and better over all time ive got enough speed......what a blast ...........
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Re: best 1/4 mile run so far

Postby chevy art » Fri Apr 13, 2012 1:28 pm

sportster didnt know you were running the juice. i dont really know how that changes things with mph-te relationship. ill just have to watch you guys and learn art
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Re: best 1/4 mile run so far

Postby wrightway » Fri Apr 13, 2012 7:35 pm

sportster96blk wrote:i think i need to redyno it with the new plugs, i seem a bit lean i think its air bleeds because just steping up the fuel jets fouls them i had some stumble off the line...theres is something off

If jeting up is showing rich and you have a stumble off the line i think you need to looked the accelerator pumps
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Re: best 1/4 mile run so far

Postby sportster96blk » Sat Apr 21, 2012 4:31 am

Won first place in bracket 6 tonight had a vega in 2nd and a monza in 1st place bracket 5 (steelhead) great night for h-bodys (this is a 1/8 mile track)
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