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New Best for the 305

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Old Sep 3, 2009 | 11:59 AM
  #1  
89305formula's Avatar
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From: forest hill md
Car: 89 formula
Engine: 305tpi
Transmission: t-56
Axle/Gears: ford 9" 4.11s
New Best for the 305

Last night i headed up to the track to see what my car would run with some cool air, last time i went it was 93 degrees and very humid, and i ran a 11.81 at 116. The first pass i spun pretty bad off the line and went a 12.032 at 118 with a 1.879 60ft, the second pass i went a 11.93 at 116 with 1.626 60ft but i missed 3rd gear, the last pass of the night i took the air cleaner off to see if it would make a difference and it sure did, i went a 11.583 at 119 with a 1.575 60ft. Im still trying to get my fuel pressure figgured out, it will be around 9psi at an idle and by the end of the track its showing about 2psi, but it never leans out. Once i figgure that problem out im gunna spray it into the 10s and hope it stays together.
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Old Sep 3, 2009 | 12:43 PM
  #2  
tpivette89's Avatar
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From: Newark, DE
Car: 2006 Corvette
Engine: LS2
Transmission: T56
Axle/Gears: 3.42s
Re: New Best for the 305

wow! is that 305 N/A... with a stick? 119mph is unbelieveable

can you post more detailed specs on the setup?
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Old Sep 3, 2009 | 02:07 PM
  #3  
89305formula's Avatar
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From: forest hill md
Car: 89 formula
Engine: 305tpi
Transmission: t-56
Axle/Gears: ford 9" 4.11s
Re: New Best for the 305

its a bone stock 305 bottom end, procomp heads shaved to 60cc chambers 2.02 1.60 valves, comp xr276hr cam with 1.65 rockers, weiand 142 blower, holley 650 dp with no power valves, msd igniton, lt1 t-56 with a stock clutch, ls1 driveshaft, 4th gen 9in rear with 4.11s. And i drive it everyday as long as its not too hot out side( black car black interior and no a/c)
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Old Sep 4, 2009 | 06:36 AM
  #4  
tpivette89's Avatar
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From: Newark, DE
Car: 2006 Corvette
Engine: LS2
Transmission: T56
Axle/Gears: 3.42s
Re: New Best for the 305

thats amazing. ive never heard of a 305/manual running times like that with no power adder

what track do you run at? was it Cecil County dragway?
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Old Sep 4, 2009 | 07:34 AM
  #5  
89305formula's Avatar
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From: forest hill md
Car: 89 formula
Engine: 305tpi
Transmission: t-56
Axle/Gears: ford 9" 4.11s
Re: New Best for the 305

yea it was wednsday night test and tune at cecil. i do have a power adder, a weiand blower
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Old Sep 4, 2009 | 09:37 AM
  #6  
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From: Harford County, MD
Car: camaro sportcoupe
Engine: 7.0L
Transmission: G-Force GF5R
Axle/Gears: Moser 9"
Re: New Best for the 305

very nice! faster than my ls1!
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Old Sep 4, 2009 | 02:33 PM
  #7  
tpivette89's Avatar
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From: Newark, DE
Car: 2006 Corvette
Engine: LS2
Transmission: T56
Axle/Gears: 3.42s
Re: New Best for the 305

Originally Posted by 89305formula
yea it was wednsday night test and tune at cecil. i do have a power adder, a weiand blower
oh crap... how did i miss that mod in your list haha...

cecil is an awesome track. i get my best times there. maybe ill see you there when i bring my 96' LT4 Vette in the upcoming month after a clutch swap

again, awesome times for a 305. congrats
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Old Sep 4, 2009 | 06:04 PM
  #8  
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From: Hou. TX
Car: 86 TA, 91 B4C
Engine: 5.3, 4.8
Transmission: 4L80 4000, T56
Axle/Gears: 4.30 M12, 23.42 10 bolt
Re: New Best for the 305

Spray the hell out of it
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Old Sep 4, 2009 | 11:16 PM
  #9  
86iroc2try's Avatar
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From: BALT, MD
Car: 84 camaro
Engine: HRE 355
Transmission: th350
Axle/Gears: 4.56
Re: New Best for the 305

thats awesome...keep it up!! gotta spray it before the season is over!!
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Old Sep 6, 2009 | 06:54 AM
  #10  
BadBowtie88's Avatar
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Re: New Best for the 305

Those are some awesome times man! It's always refreshing to see someone doing something different. I bet noone expects you to say you have a 305 in your car when they ask about it! Great work and I agree with ZONES89RS, spray the hell out of it!
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