Track results from Victor 5.0 and 1 3/4 long tubes

8850 · 05-24-2001, 12:38 AM

Finally got my engine back together and headed out to the track this evening. Not very pretty though. Could not hold traction.

I did improve my mph 2.70 from 121.67 to 124.37. And this was in 20 degree warmer weather. This run was the only pass that you could even call a pass. And only then I eased into it off the line and then hit the rpm limiter in first gear. Was very apprehensive from my first run as I almost ran into the wall when I lost traction. Needless say I wasn't paying attention to the tach as I should. The car fell on it's face as it hit the limiter but somehow I managed a 10.781 et.

Apparently I have added some hp. But can't get it to the ground. I have the same pressure in the air bag, same in my tires, same suspension. The only thing that has changed is I add 33 spline axles and a spool. Is this the problem? Do I need a wider tire? I only have 8" wide wheels so to effectively use a wider tire I would need wider wheels or a taller tire with these wheels and then my gearing would be too tall.

I would say there is indication the Victor 5.0 and 1 3/4" headers have done something but I won't know how much better until I get my "new" traction problem solved.

------------------
88 347, Twisted wedge heads,Comp Cams 224/230 cam, 1/4=10.718 @ 123.02 mph dyno= http://www.fbody.com/members/LarryS/mustdyno.jpg

rtz · 05-24-2001, 12:56 AM

What size and type of tire and how much pressure in them?

8850 · 05-24-2001, 07:27 AM

rtz,

I'm running 26 x 9 Hoosiers at 14 psi. This is the same pressure I ran my 1.41 60'. I haven't had a traction problem prior to adding this spool. Of course I have added more hp too.

exgmguy · 05-24-2001, 04:38 PM

I don't know if i'd call 10.7's @ 124 a traction problem! I ran 12.0's @ 122....now that's a traction problem!

8850 · 05-24-2001, 04:57 PM

exgmguy,

I had one 14 second pass too. Now who is talking about a traction problem?

faststang90 · 05-24-2001, 06:09 PM

whats up your torque is said to be 534 but the chart says over 600 have to see it to believe

8850 · 05-26-2001, 04:47 AM

faststang90,

Don't follow you on this one. I don't see where my chart reads 600# of torque.

8850 · 05-26-2001, 01:22 PM

faststang90,

I see what you are talking about now. I couldn't get into the site to check. Anyway, you are looking at the torque reading for hp. The bottom set of lines are torque and read from the right column. The top are hp and read from the left.

exgmguy · 05-26-2001, 10:20 PM

A 14 second et?!!!!!! MAN!THAT IS A TRACTION ISSUE!!!

05-24-2001, 12:38 AM	#1
8850 Registered Member Join Date: Nov 1998 Location: Sugarland, TX USA Posts: 161	Track results from Victor 5.0 and 1 3/4 long tubes Finally got my engine back together and headed out to the track this evening. Not very pretty though. Could not hold traction. I did improve my mph 2.70 from 121.67 to 124.37. And this was in 20 degree warmer weather. This run was the only pass that you could even call a pass. And only then I eased into it off the line and then hit the rpm limiter in first gear. Was very apprehensive from my first run as I almost ran into the wall when I lost traction. Needless say I wasn't paying attention to the tach as I should. The car fell on it's face as it hit the limiter but somehow I managed a 10.781 et. Apparently I have added some hp. But can't get it to the ground. I have the same pressure in the air bag, same in my tires, same suspension. The only thing that has changed is I add 33 spline axles and a spool. Is this the problem? Do I need a wider tire? I only have 8" wide wheels so to effectively use a wider tire I would need wider wheels or a taller tire with these wheels and then my gearing would be too tall. I would say there is indication the Victor 5.0 and 1 3/4" headers have done something but I won't know how much better until I get my "new" traction problem solved. ------------------ 88 347, Twisted wedge heads,Comp Cams 224/230 cam, 1/4=10.718 @ 123.02 mph dyno= http://www.fbody.com/members/LarryS/mustdyno.jpg

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05-24-2001, 12:56 AM	#2
rtz Registered Member Join Date: Feb 2001 Location: Edmond, OK Posts: 180	What size and type of tire and how much pressure in them?

05-24-2001, 07:27 AM	#3
8850 Registered Member Join Date: Nov 1998 Location: Sugarland, TX USA Posts: 161	rtz, I'm running 26 x 9 Hoosiers at 14 psi. This is the same pressure I ran my 1.41 60'. I haven't had a traction problem prior to adding this spool. Of course I have added more hp too.

05-24-2001, 04:38 PM	#4
exgmguy Registered Member Join Date: Feb 1999 Location: Utica, Michigan Posts: 2,631	I don't know if i'd call 10.7's @ 124 a traction problem! I ran 12.0's @ 122....now that's a traction problem!

05-24-2001, 04:57 PM	#5
8850 Registered Member Join Date: Nov 1998 Location: Sugarland, TX USA Posts: 161	exgmguy, I had one 14 second pass too. Now who is talking about a traction problem?

05-24-2001, 06:09 PM	#6
faststang90 Registered Member Join Date: May 2001 Location: baytown,tx,us Posts: 128	whats up your torque is said to be 534 but the chart says over 600 have to see it to believe

05-26-2001, 04:47 AM	#7
8850 Registered Member Join Date: Nov 1998 Location: Sugarland, TX USA Posts: 161	faststang90, Don't follow you on this one. I don't see where my chart reads 600# of torque.

05-26-2001, 01:22 PM	#8
8850 Registered Member Join Date: Nov 1998 Location: Sugarland, TX USA Posts: 161	faststang90, I see what you are talking about now. I couldn't get into the site to check. Anyway, you are looking at the torque reading for hp. The bottom set of lines are torque and read from the right column. The top are hp and read from the left.

05-26-2001, 10:20 PM	#9
exgmguy Registered Member Join Date: Feb 1999 Location: Utica, Michigan Posts: 2,631	A 14 second et?!!!!!! MAN!THAT IS A TRACTION ISSUE!!!