can't launch

JBIGBOOTSY · August 5th, 2006, 03:05 PM

Help me I can't launch my car. 90\10s, 50\50s centerforce dual friction clutch. mt et st radials 255 55 16s, I leave at 3000 dump the clutch and either spin or bog to a crappy2.1 to 2.2 60', best et is 2.1899-60'
5.6039-330'
8.4759-1\8
86.71-1\8 mph
10.9230-1000'
12.9898-1\4
109.47-1\4 mph
any launch tips? tires at 10 psi too.

Darrell · August 7th, 2006, 12:00 AM

What year is the car? What kind of control arms do you have in the rear? I'd start the tire pressure off at 14psi. We've gone in the 10s with drag radials at 14psi. Work on your launch. Practice makes perfect.

Twist 2 Go · August 7th, 2006, 09:56 AM

I agree w/ Darrell. Up the air pressure 2psi at a time until it gets consistent. Also, make sure the burnout is consistent from run-to -run. On my car, that seems to be the biggest culprit in a bad launch.

August 5th, 2006, 03:05 PM	#1
JBIGBOOTSY Hardcore Enthusiast 1990 LX hatch Join Date: Aug 2006 Location: Hobart Indiana Posts: 1,886	can't launch Help me I can't launch my car. 90\10s, 50\50s centerforce dual friction clutch. mt et st radials 255 55 16s, I leave at 3000 dump the clutch and either spin or bog to a crappy2.1 to 2.2 60', best et is 2.1899-60' 5.6039-330' 8.4759-1\8 86.71-1\8 mph 10.9230-1000' 12.9898-1\4 109.47-1\4 mph any launch tips? tires at 10 psi too.

August 7th, 2006, 12:00 AM	#2
Darrell MM Ninjas! 1990 Mustang LX 9.36@143 mph Join Date: Jan 2006 Location: Fond du Lac, Wisconsin Posts: 6,506	What year is the car? What kind of control arms do you have in the rear? I'd start the tire pressure off at 14psi. We've gone in the 10s with drag radials at 14psi. Work on your launch. Practice makes perfect. __________________ Racing in memory of Dave Bandt 11/19/69 - 3/23/08 "he's traded his wheels for wings" Professor of Natural Aspiration Thanks to: Artie at Trick Flow, Dave at Team Z Motorsports, Brian at Total Engine Airflow and Harold at Furo Racecraft

August 7th, 2006, 09:56 AM	#3
Twist 2 Go Hardcore Enthusiast Join Date: Aug 2005 Location: Chesapeake, Virginia Posts: 1,716	I agree w/ Darrell. Up the air pressure 2psi at a time until it gets consistent. Also, make sure the burnout is consistent from run-to -run. On my car, that seems to be the biggest culprit in a bad launch. __________________ 88 Mustang Coupe 2006 FFW Richmond True Street Runner-Up www.rickscarcare.net http://img146.imageshack.us/img146/2158/ricksadql2.jpg

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