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Author Topic:   Weight question
evil89stang
Journeyman

Posts: 29
From: Butler,PA
Registered: Feb 2004

posted 02-17-2004 02:49 PM     Click Here to See the Profile for evil89stang   Click Here to Email evil89stang     Edit/Delete Message   Reply w/Quote
Lets say im running 9.15 in the quater. If all things stay the same except I were to add 100lbs to car. How mutch slower could I expect to go??. My math says .03.04

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Moneymaker
Administrator

Posts: 21725
From: Lyons, IL, USA
Registered: May 99

posted 02-17-2004 03:12 PM     Click Here to See the Profile for Moneymaker   Click Here to Email Moneymaker     Edit/Delete Message   Reply w/Quote
Rule of thumb is one tenth per 100 lbs. up to 3000 or so. The it goes up.


It has proven very accurate in my experiance.

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Alex Denysenko
Co-Administrator and Moderator

NHRA/IHRA/SRA member and licensed Superstock driver
MCA member# 53321
NHRA and IHRA SS/LA & SS/MA National Record Holder '00,'01,'02,'03,& '04
First SS/MA in the TENS!
IHRA division 5 Superstock Champion
Fleet of FoMoCo products including 88 ASC McLaren Mustang #28

The Barry of BarrysGrrl

Quote #1: "I never met a magazine mechanic I liked."
Quote #2: "Make sure brain is in gear before engaging mouth!"
Quote #3: "If you can't run with the big dogs, stay on the porch!"
www.moneymakerracing.com

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steve'66
Gearhead

Posts: 7226
From: Sonoma,CA,USA
Registered: Mar 2000

posted 02-17-2004 03:42 PM     Click Here to See the Profile for steve'66   Click Here to Email steve'66     Edit/Delete Message   Reply w/Quote
.1 et and 3 mph slower, according to a online et calculator. Assuming apprx 3,000 pounds track weight. 3,000 pounds was 9.15 @ 150 mph, 3,100 pounds was 9.25 @ 147. FWIW,

SteveW

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evil89stang
Journeyman

Posts: 29
From: Butler,PA
Registered: Feb 2004

posted 02-17-2004 06:10 PM     Click Here to See the Profile for evil89stang   Click Here to Email evil89stang     Edit/Delete Message   Reply w/Quote
If I were to add 100hp then what

Let me guess. I get the .10 back

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steve'66
Gearhead

Posts: 7226
From: Sonoma,CA,USA
Registered: Mar 2000

posted 02-17-2004 06:17 PM     Click Here to See the Profile for steve'66   Click Here to Email steve'66     Edit/Delete Message   Reply w/Quote
The 'puter says 25-30 hp will get your .1 back.
100 h.p. more will run 8.88

SteveW

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Moneymaker
Administrator

Posts: 21725
From: Lyons, IL, USA
Registered: May 99

posted 02-17-2004 06:26 PM     Click Here to See the Profile for Moneymaker   Click Here to Email Moneymaker     Edit/Delete Message   Reply w/Quote
Correct again Steve.
Add 100 HP and lose a second in ET providing you can put the power to the ground.

------------------
Alex Denysenko
Co-Administrator and Moderator

NHRA/IHRA/SRA member and licensed Superstock driver
MCA member# 53321
NHRA and IHRA SS/LA & SS/MA National Record Holder '00,'01,'02,'03,& '04
First SS/MA in the TENS!
IHRA division 5 Superstock Champion
Fleet of FoMoCo products including 88 ASC McLaren Mustang #28

The Barry of BarrysGrrl

Quote #1: "I never met a magazine mechanic I liked."
Quote #2: "Make sure brain is in gear before engaging mouth!"
Quote #3: "If you can't run with the big dogs, stay on the porch!"
www.moneymakerracing.com

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evil89stang
Journeyman

Posts: 29
From: Butler,PA
Registered: Feb 2004

posted 02-17-2004 06:30 PM     Click Here to See the Profile for evil89stang   Click Here to Email evil89stang     Edit/Delete Message   Reply w/Quote
Puter's are not always right

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Mike DeMayo
NMRA Hot Street 3117
PRO Pro Stock 5117

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steve'66
Gearhead

Posts: 7226
From: Sonoma,CA,USA
Registered: Mar 2000

posted 02-17-2004 06:35 PM     Click Here to See the Profile for steve'66   Click Here to Email steve'66     Edit/Delete Message   Reply w/Quote
quote:
Originally posted by evil89stang:
Puter's are not always right


I agree with that! Otherwise we could just race puters.

SteveW

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evil89stang
Journeyman

Posts: 29
From: Butler,PA
Registered: Feb 2004

posted 02-17-2004 06:41 PM     Click Here to See the Profile for evil89stang   Click Here to Email evil89stang     Edit/Delete Message   Reply w/Quote
Think I can lay down the HP

O Well, Bench racin is over in 3 week's. We are headin to Bradonton FL 1st race of the year in NMRA to see what's up

------------------
Mike DeMayo
NMRA Hot Street 3117
PRO Pro Stock 5117

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Moneymaker
Administrator

Posts: 21725
From: Lyons, IL, USA
Registered: May 99

posted 02-17-2004 06:41 PM     Click Here to See the Profile for Moneymaker   Click Here to Email Moneymaker     Edit/Delete Message   Reply w/Quote
quote:
Originally posted by evil89stang:
Puter's are not always right


I aggree.

But the 100# = +- .010 is pretty damn close.

A lot closer than chassis dyno figures are anyway.
But that's another thread.

------------------
Alex Denysenko
Co-Administrator and Moderator

NHRA/IHRA/SRA member and licensed Superstock driver
MCA member# 53321
NHRA and IHRA SS/LA & SS/MA National Record Holder '00,'01,'02,'03,& '04
First SS/MA in the TENS!
IHRA division 5 Superstock Champion
Fleet of FoMoCo products including 88 ASC McLaren Mustang #28

The Barry of BarrysGrrl

Quote #1: "I never met a magazine mechanic I liked."
Quote #2: "Make sure brain is in gear before engaging mouth!"
Quote #3: "If you can't run with the big dogs, stay on the porch!"
www.moneymakerracing.com

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evil89stang
Journeyman

Posts: 29
From: Butler,PA
Registered: Feb 2004

posted 02-17-2004 06:59 PM     Click Here to See the Profile for evil89stang   Click Here to Email evil89stang     Edit/Delete Message   Reply w/Quote
Record in H/S is 9.07@150 Ken Compton 3100lb car
3200 pound car of C Booze went 9.10

The weather was perfect at Bowling Green when this was done

So 8.90's sound Darn good to me.

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Mike DeMayo
NMRA Hot Street 3117
PRO Pro Stock 5117

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654212spd
Gearhead

Posts: 125
From: st.louis mo usa
Registered: Apr 2003

posted 02-17-2004 07:08 PM     Click Here to See the Profile for 654212spd   Click Here to Email 654212spd     Edit/Delete Message   Reply w/Quote
well without the gas they were running i dont see them running much faster mike

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evil89stang
Journeyman

Posts: 29
From: Butler,PA
Registered: Feb 2004

posted 02-17-2004 07:35 PM     Click Here to See the Profile for evil89stang   Click Here to Email evil89stang     Edit/Delete Message   Reply w/Quote
Rodney,
Very true. We will pretend all was on the up&up.

When will be the 1st race I can expect to see That 65 at.

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Mike DeMayo
NMRA Hot Street 3117
PRO Pro Stock 5117

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Capri
Gearhead

Posts: 1254
From: Lyons, ILL, USA
Registered: May 99

posted 02-17-2004 08:10 PM     Click Here to See the Profile for Capri   Click Here to Email Capri     Edit/Delete Message   Reply w/Quote
Hmmmmmm. What gas might that be? Does it make you giggle?

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654212spd
Gearhead

Posts: 125
From: st.louis mo usa
Registered: Apr 2003

posted 02-17-2004 11:13 PM     Click Here to See the Profile for 654212spd   Click Here to Email 654212spd     Edit/Delete Message   Reply w/Quote
no Tony it has a stinky smell to it

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Rustang
Gearhead

Posts: 576
From: Clarion PA
Registered: Nov 2000

posted 02-18-2004 07:13 AM     Click Here to See the Profile for Rustang   Click Here to Email Rustang     Edit/Delete Message   Reply w/Quote
quote:
Originally posted by evil89stang:
Think I can lay down the HP

We are headin to Bradonton FL 1st race of the year in NMRA to see what's up




Mike
Good luck this year! It's pretty cool someone from western Pa 's a player in NMRA Hot Street.

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'68 mustang 351 clevor- 10.92@124
'67 Stang, 351W -11.18@118
'69 351C Torino-14.90@100
'78 Pickup 351W-15.56@88
'79 Pickup 460 ET=??

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